Коррекция орбиты некоторых периодических комет от 7 июня ..
Добавлено: 07 июн 2024 10:01Коррекция орбиты некоторых периодических комет от 7 июня 2024 года, MPEC 2024-L77
Orbital elements:
2P/Encke
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Oct. 22.52802 TT Rudenko
q 0.3395661 (2000.0) P Q
n 0.29826115 Peri. 187.28687 -0.94614928 -0.31206458
a 2.2185621 Node 334.01729 +0.30605301 -0.77554145
e 0.8469432 Incl. 11.33726 +0.10551348 -0.54877240
P 3.30
From 3548 observations 2009 Aug. 22-2023 Oct. 13, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
12P/Pons-Brooks
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 21.12401 TT Rudenko
q 0.7807820 (2000.0) P Q
n 0.01380986 Peri. 198.98898 +0.14510930 -0.32930078
a 17.2058689 Node 255.85583 +0.98566231 +0.13017185
e 0.9546212 Incl. 74.19151 +0.08609932 -0.93520922
P 71.4
From 7843 observations 2023 Feb. 27-2024 May 28, mean residual 0".6.
13P/Olbers
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 June 30.04583 TT Rudenko
q 1.1754668 (2000.0) P Q
n 0.01421103 Peri. 64.41623 -0.60854544 -0.37163570
a 16.8805127 Node 85.84756 +0.18556922 -0.92569951
e 0.9303655 Incl. 44.66483 +0.77151573 -0.07047928
P 69.4
From 1360 observations 2023 Oct. 8-2024 June 2, mean residual 0".4.
Nongravitational parameters A1 = +0.53, A2 = -0.9606.
22P/Kopff
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Mar. 18.59031 TT Rudenko
q 1.5406729 (2000.0) P Q
n 0.15504166 Peri. 162.91915 +0.23422489 +0.96956175
a 3.4316562 Node 120.57554 -0.90136090 +0.24406972
e 0.5510410 Incl. 4.75272 -0.36426259 +0.01949305
P 6.36
From 5041 observations 2008 Jan. 30-2024 Apr. 9, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0395.
29P/Schwassmann-Wachmann
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2019 May 2.75113 TT Rudenko
q 5.7859625 (2000.0) P Q
n 0.06618424 Peri. 51.95348 +0.98936634 -0.08207007
a 6.0529395 Node 312.40591 +0.01231171 +0.86988465
e 0.0441070 Incl. 9.35915 +0.14492298 +0.48637968
P 14.9
From 19395 observations 2018 June 18-2024 June 6, mean residual 0".6.
32P/Comas Sola
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 20.60397 TT Rudenko
q 2.0245975 (2000.0) P Q
n 0.10146506 Peri. 54.66890 -0.31891464 -0.93733965
a 4.5525881 Node 54.53008 +0.80404945 -0.34594939
e 0.5552865 Incl. 9.92077 +0.50179471 -0.04139327
P 9.71
From 3655 observations 2013 Sept. 24-2024 May 31, mean residual 0".8.
Nongravitational parameters A1 = +1.85, A2 = +0.5838.
37P/Forbes
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Oct. 11.25999 TT Rudenko
q 1.6177225 (2000.0) P Q
n 0.15294604 Peri. 330.07039 +0.25681651 +0.96008471
a 3.4629314 Node 314.55452 -0.85298005 +0.17125170
e 0.5328459 Incl. 8.94745 -0.45439004 +0.22115650
P 6.44
From 1478 observations 2011 Feb. 8-2024 June 5, mean residual 0".6.
Nongravitational parameters A1 = +0.73, A2 = -0.0530.
48P/Johnson
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Mar. 2.60969 TT Rudenko
q 2.0064691 (2000.0) P Q
n 0.15047131 Peri. 216.76820 +0.82441021 +0.53004207
a 3.5007969 Node 110.06787 -0.45583357 +0.82967663
e 0.4268536 Incl. 12.20049 -0.33550494 +0.17519157
P 6.55
From 2295 observations 1949 Sept. 24-2024 June 5, mean residual 0".8.
Nongravitational parameters A1 = +0.57, A2 = -0.0177.
62P/Tsuchinshan
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Dec. 25.11525 TT Rudenko
q 1.2649400 (2000.0) P Q
n 0.15938585 Peri. 47.30236 -0.43554368 -0.89687415
a 3.3690145 Node 68.66650 +0.79986299 -0.42480104
e 0.6245371 Incl. 4.73750 +0.41294176 -0.12312933
P 6.18
From 1967 observations 2023 Aug. 29-2024 May 29, mean residual 0".5.
Nongravitational parameters A1 = +0.60, A2 = +0.4735.
65P/Gunn
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 June 16.84765 TT Rudenko
q 2.9254947 (2000.0) P Q
n 0.12841410 Peri. 213.76344 +0.09373660 +0.98559484
a 3.8909970 Node 61.97658 -0.87456260 +0.14908129
e 0.2481375 Incl. 9.17595 -0.47576645 -0.07985981
P 7.68
From 2782 observations 2013 Jan. 1-2024 June 5, mean residual 0".6.
Nongravitational parameters A1 = -0.13, A2 = -0.0215.
89P/Russell
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 26.60757 TT Rudenko
q 2.2218439 (2000.0) P Q
n 0.13563275 Peri. 250.40144 +0.35674703 +0.92392837
a 3.7516847 Node 41.34561 -0.75946146 +0.37295018
e 0.4077744 Incl. 12.07207 -0.54401272 +0.08523222
P 7.27
From 299 observations 1980 Sept. 28-2024 June 4, mean residual 0".7.
Nongravitational parameters A1 = +0.84, A2 = -0.0345.
103P/Hartley
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Oct. 12.50692 TT Rudenko
q 1.0641144 (2000.0) P Q
n 0.15218970 Peri. 181.30068 +0.75454673 -0.63876242
a 3.4743951 Node 219.74911 +0.60419907 +0.76568642
e 0.6937267 Incl. 13.61067 +0.25613028 +0.07554388
P 6.48
From 9086 observations 2004 Sept. 20-2024 May 5, mean residual 0".7.
Nongravitational parameters A1 = +0.11, A2 = +0.0236.
118P/Shoemaker-Levy
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 24.45921 TT Rudenko
q 1.8290905 (2000.0) P Q
n 0.16087316 Peri. 314.88437 -0.12805937 -0.98590569
a 3.3482174 Node 142.08422 +0.95215008 -0.15259228
e 0.4537122 Incl. 10.09026 +0.27750860 +0.06859711
P 6.13
From 1868 observations 2015 Sept. 15-2024 May 31, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0052.
119P/Parker-Hartley
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Aug. 12.29295 TT Rudenko
q 2.3287216 (2000.0) P Q
n 0.13266505 Peri. 322.17549 +0.39007540 -0.91232293
a 3.8074280 Node 104.55799 +0.87307973 +0.32350168
e 0.3883741 Incl. 7.39229 +0.29252858 +0.25102496
P 7.43
From 1536 observations 2021 July 2-2024 May 6, mean residual 0".5.
Nongravitational parameters A1 = -0.94, A2 = +0.1185.
125P/Spacewatch
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 7.29394 TT Rudenko
q 1.5266903 (2000.0) P Q
n 0.17804484 Peri. 87.13896 -0.48878927 +0.86888003
a 3.1293187 Node 153.15029 -0.85336914 -0.45754757
e 0.5121333 Incl. 9.98480 -0.18123510 -0.18893838
P 5.54
From 696 observations 2012 Dec. 8-2024 June 6, mean residual 0".6.
Nongravitational parameters A1 = +0.05, A2 = +0.0102.
129P/Shoemaker-Levy
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 30.97292 TT Rudenko
q 3.9243907 (2000.0) P Q
n 0.11085657 Peri. 307.55618 -0.67440132 -0.73834746
a 4.2916908 Node 184.86090 +0.69496127 -0.63241486
e 0.0855840 Incl. 3.44224 +0.24942270 -0.23429569
P 8.89
From 436 observations 2010 Sept. 4-2024 June 5, mean residual 0".6.
Nongravitational parameters A1 = +0.05, A2 = -0.0161.
130P/McNaught-Hughes
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 14.88348 TT Rudenko
q 1.8229854 (2000.0) P Q
n 0.15851994 Peri. 246.12737 +0.71822708 +0.68867600
a 3.3812720 Node 70.17868 -0.59378712 +0.68108568
e 0.4608581 Incl. 6.06360 -0.36272126 +0.24869193
P 6.22
From 1183 observations 2004 Apr. 20-2024 May 27, mean residual 0".7.
Nongravitational parameters A1 = +0.03, A2 = +0.0008.
144P/Kushida
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 25.76994 TT Rudenko
q 1.3988568 (2000.0) P Q
n 0.13144035 Peri. 216.32087 -0.15943913 -0.98531785
a 3.8310419 Node 242.92552 +0.92113427 -0.12623685
e 0.6348626 Incl. 3.93191 +0.35509270 -0.11494780
P 7.50
From 3175 observations 2016 July 31-2024 June 5, mean residual 0".5.
Nongravitational parameters A1 = +0.31, A2 = -0.0885.
146P/Shoemaker-LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Aug. 5.43657 TT Rudenko
q 1.4195881 (2000.0) P Q
n 0.12200013 Peri. 317.07355 +0.93950542 -0.13415005
a 4.0262047 Node 53.37546 +0.30273031 +0.75568863
e 0.6474128 Incl. 23.12305 -0.16026204 +0.64104482
P 8.08
From 149 observations 2016 Apr. 19-2024 May 31, mean residual 0".7.
Nongravitational parameters A1 = -0.50, A2 = -0.0676.
150P/LONEOS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 12.46185 TT Rudenko
q 1.7455858 (2000.0) P Q
n 0.12946204 Peri. 246.11286 -0.88084401 -0.35080504
a 3.8699714 Node 272.05902 +0.45839732 -0.79977257
e 0.5489409 Incl. 18.54736 -0.11826123 -0.48713413
P 7.61
From 1312 observations 1978 Mar. 6-2024 June 1, mean residual 0".4.
152P/Helin-Lawrence
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Jan. 14.75635 TT Rudenko
q 3.1018506 (2000.0) P Q
n 0.10383378 Peri. 164.35356 -0.23535416 +0.95666483
a 4.4830845 Node 91.79823 -0.90910284 -0.15430025
e 0.3080990 Incl. 9.87802 -0.34371564 -0.24694904
P 9.49
From 1308 observations 1993 Apr. 22-2024 Jan. 1, mean residual 0".9.
Nongravitational parameters A1 = +0.02, A2 = +0.0143.
154P/Brewington
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 June 13.28810 TT Rudenko
q 1.5529437 (2000.0) P Q
n 0.09381157 Peri. 47.95942 +0.84718502 -0.52387743
a 4.7969493 Node 343.01703 +0.35209504 +0.67831920
e 0.6762643 Incl. 17.63472 +0.39787765 +0.51520433
P 10.5
From 3024 observations 2002 July 7-2024 June 2, mean residual 0".6.
Nongravitational parameters A1 = +3.74, A2 = -0.0274.
162P/Siding Spring
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2026 May 17.60291 TT Rudenko
q 1.2890517 (2000.0) P Q
n 0.18126307 Peri. 357.21542 +0.87927291 -0.41285951
a 3.0921685 Node 30.88742 +0.44546846 +0.53621017
e 0.5831237 Incl. 27.56318 +0.16863274 +0.73622393
P 5.44
From 3245 observations 1990 Mar. 23-2024 June 4, mean residual 0".4.
170P/Christensen
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Apr. 17.71656 TT Rudenko
q 2.9207593 (2000.0) P Q
n 0.11424296 Peri. 225.14694 +0.98392519 -0.14344616
a 4.2064566 Node 142.71623 +0.16699445 +0.95011900
e 0.3056485 Incl. 10.11332 -0.06327782 +0.27694239
P 8.63
From 791 observations 2021 June 30-2024 Mar. 19, mean residual 0".6.
172P/Yeung
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Nov. 3.38599 TT Rudenko
q 3.3571959 (2000.0) P Q
n 0.11368231 Peri. 209.04629 -0.50592118 +0.85677494
a 4.2202753 Node 30.87729 -0.74904135 -0.37893669
e 0.2045078 Incl. 11.22515 -0.42776256 -0.34977662
P 8.67
From 368 observations 2012 Sept. 15-2024 May 27, mean residual 0".3.
190P/Mueller
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Dec. 24.09767 TT Rudenko
q 2.0197151 (2000.0) P Q
n 0.11339633 Peri. 50.50178 +0.89851624 -0.43865825
a 4.2273680 Node 335.50441 +0.39017630 +0.81460139
e 0.5222287 Incl. 2.17455 +0.20107469 +0.37947794
P 8.69
From 347 observations 1998 Sept. 14-2024 May 8, mean residual 0".7.
192P/Shoemaker-Levy
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 24.54843 TT Rudenko
q 1.4645210 (2000.0) P Q
n 0.06003017 Peri. 313.08993 +0.94472334 -0.03342092
a 6.4598586 Node 51.61250 +0.23382403 +0.76602321
e 0.7732890 Incl. 24.58937 -0.22983503 +0.64194352
P 16.4
From 101 observations 2007 Oct. 12-2024 May 30, mean residual 0".7.
199P/Shoemaker
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Aug. 7.56256 TT Rudenko
q 2.9104113 (2000.0) P Q
n 0.06915726 Peri. 191.77118 +0.22494448 +0.87858442
a 5.8781977 Node 92.34861 -0.85626212 +0.38458299
e 0.5048803 Incl. 24.93875 -0.46498943 -0.28317016
P 14.3
From 241 observations 2022 Feb. 3-2023 Nov. 14, mean residual 0".6.
Nongravitational parameters A1 = +0.72, A2 = -0.0373.
207P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 31.81676 TT Rudenko
q 0.9382494 (2000.0) P Q
n 0.12878477 Peri. 272.99139 -0.35584694 -0.93291335
a 3.8835275 Node 198.15587 +0.91228567 -0.33395377
e 0.7584028 Incl. 10.20133 +0.20275064 -0.13471289
P 7.65
From 1007 observations 2000 Oct. 7-2024 May 30, mean residual 0".9.
209P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 July 14.49818 TT Rudenko
q 0.9644230 (2000.0) P Q
n 0.19369890 Peri. 152.49420 -0.78849441 +0.52355973
a 2.9583617 Node 62.76983 -0.60960640 -0.59567074
e 0.6740010 Incl. 21.28250 -0.08158807 -0.60914824
P 5.09
From 2238 observations 2013 Sept. 8-2024 May 27, mean residual 0".4.
216P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 6.87633 TT Rudenko
q 2.1270744 (2000.0) P Q
n 0.13005059 Peri. 151.73383 -0.87910849 -0.47662140
a 3.8582868 Node 359.79868 +0.40222986 -0.74127237
e 0.4486998 Incl. 9.06302 +0.25569397 -0.47259635
P 7.58
From 383 observations 2001 Feb. 1-2024 May 3, mean residual 0".7.
217P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 May 24.89636 TT Rudenko
q 1.2264231 (2000.0) P Q
n 0.12571000 Peri. 247.00964 +0.95786320 -0.22260559
a 3.9465975 Node 125.38324 +0.26615281 +0.92548416
e 0.6892455 Incl. 12.86337 -0.10798501 +0.30647319
P 7.84
From 3392 observations 2001 June 21-2024 June 1, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0030.
224P/LINEAR-NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Sept. 30.13140 TT Rudenko
q 2.0470334 (2000.0) P Q
n 0.15411289 Peri. 16.74937 +0.55272360 -0.82010827
a 3.4454298 Node 40.03804 +0.73578952 +0.39682999
e 0.4058699 Incl. 13.30556 +0.39129324 +0.41224797
P 6.40
From 110 observations 2003 Nov. 20-2023 Jan. 11, mean residual 0".6.
227P/Catalina-LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 8.24854 TT Rudenko
q 1.6236192 (2000.0) P Q
n 0.15475407 Peri. 105.56883 -0.78710279 -0.61183276
a 3.4359064 Node 36.80885 +0.50394059 -0.71105171
e 0.5274553 Incl. 7.50859 +0.35568676 -0.34650561
P 6.37
From 1052 observations 2017 Jan. 22-2024 June 3, mean residual 0".5.
237P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 May 14.74202 TT Rudenko
q 1.9875403 (2000.0) P Q
n 0.14982579 Peri. 25.30201 -0.00009756 +0.97546692
a 3.5108451 Node 245.35513 -0.95372993 -0.06628090
e 0.4338855 Incl. 14.01695 -0.30066462 +0.20993127
P 6.58
From 2325 observations 2002 June 18-2024 Jan. 16, mean residual 0".7.
238P/Read
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 June 5.39115 TT Rudenko
q 2.3708184 (2000.0) P Q
n 0.17495942 Peri. 324.24514 +0.96173459 -0.27343635
a 3.1660019 Node 51.63293 +0.25622318 +0.87524319
e 0.2511633 Incl. 1.26401 +0.09703740 +0.39897609
P 5.63
From 328 observations 2005 Oct. 23-2022 Dec. 24, mean residual 0".6.
Nongravitational parameters A1 = +0.18, A2 = -0.0071.
242P/Spahr
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Dec. 23.37931 TT Rudenko
q 3.9715612 (2000.0) P Q
n 0.07582176 Peri. 244.87277 +0.41977649 -0.90762113
a 5.5284934 Node 180.36338 +0.89662153 +0.41410102
e 0.2816196 Incl. 32.46180 -0.14091676 -0.06887838
P 13.0
From 533 observations 2011 July 20-2024 Jan. 11, mean residual 0".7.
244P/Scotti
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 18.59518 TT Rudenko
q 3.9213877 (2000.0) P Q
n 0.09085668 Peri. 93.27616 +0.04730859 -0.99887185
a 4.9003995 Node 354.00760 +0.90009140 +0.04441556
e 0.1997820 Incl. 2.25879 +0.43312512 +0.01680151
P 10.8
From 1967 observations 2000 Nov. 29-2024 May 27, mean residual 0".7.
Nongravitational parameters A1 = +0.09, A2 = -0.0149.
246P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2021 Feb. 26.69335 TT Rudenko
q 2.9334394 (2000.0) P Q
n 0.11929868 Peri. 182.46015 -0.21817901 +0.93391389
a 4.0867584 Node 75.04468 -0.89029936 -0.07161988
e 0.2822087 Incl. 17.04544 -0.39970611 -0.35025053
P 8.26
From 4993 observations 2003 Mar. 7-2024 Jan. 28, mean residual 0".6.
Nongravitational parameters A1 = +1.27, A2 = +0.4429.
251P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Feb. 13.23998 TT Rudenko
q 1.7412714 (2000.0) P Q
n 0.14963728 Peri. 31.21670 -0.35984605 +0.89843631
a 3.5137931 Node 219.34131 -0.91678647 -0.39056503
e 0.5044468 Incl. 23.38752 -0.17324373 +0.20067674
P 6.59
From 80 observations 2017 Apr. 2-2024 May 14, mean residual 2".2.
253P/PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Oct. 20.94640 TT Rudenko
q 2.0268956 (2000.0) P Q
n 0.15298955 Peri. 230.80110 +0.95126086 -0.30476816
a 3.4622748 Node 146.86581 +0.30279156 +0.89407061
e 0.4145769 Incl. 4.94406 +0.05848121 +0.32825922
P 6.44
From 366 observations 1998 Sept. 14-2024 May 8, mean residual 0".6.
Nongravitational parameters A1 = -0.05, A2 = -0.0073.
256P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Mar. 12.06302 TT Rudenko
q 2.6997881 (2000.0) P Q
n 0.09868309 Peri. 124.14564 -0.80952702 +0.36684286
a 4.6377522 Node 81.32774 -0.56029132 -0.71591615
e 0.4178671 Incl. 27.62349 +0.17532722 -0.59404578
P 9.99
From 278 observations 2003 Jan. 27-2023 July 8, mean residual 0".8.
263P/Gibbs
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Jan. 30.61437 TT Rudenko
q 1.2357669 (2000.0) P Q
n 0.18581698 Peri. 35.03334 -0.76086027 -0.61970299
a 3.0414391 Node 105.50152 +0.54037917 -0.76932777
e 0.5936901 Incl. 11.52389 +0.35927984 -0.15525136
P 5.30
From 778 observations 2006 Nov. 10-2023 July 8, mean residual 0".5.
285P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Jan. 12.15528 TT Rudenko
q 1.7193318 (2000.0) P Q
n 0.10303930 Peri. 178.38919 +0.99743910 -0.05888609
a 4.5060994 Node 185.50392 +0.05997287 +0.99785883
e 0.6184434 Incl. 25.03727 +0.03896783 -0.02846376
P 9.57
From 1021 observations 2003 Sept. 19-2023 Jan. 9, mean residual 0".8.
286P/Christensen
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 May 11.99448 TT Rudenko
q 2.3512452 (2000.0) P Q
n 0.11859444 Peri. 24.72529 +0.60287372 +0.74492703
a 4.1029211 Node 283.65207 -0.77216992 +0.45468488
e 0.4269339 Incl. 17.09825 -0.20074085 +0.48820628
P 8.31
From 466 observations 2005 June 3-2022 Nov. 30, mean residual 0".5.
291P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 May 4.02480 TT Rudenko
q 2.5654143 (2000.0) P Q
n 0.10209884 Peri. 173.50925 +0.62643921 -0.77391958
a 4.5337285 Node 237.66031 +0.71011723 +0.61576053
e 0.4341491 Incl. 6.30977 +0.32141474 +0.14794410
P 9.65
From 989 observations 2003 Sept. 4-2024 Mar. 2, mean residual 0".8.
299P/Catalina-PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 30.37298 TT Rudenko
q 3.1563629 (2000.0) P Q
n 0.10716769 Peri. 323.69151 -0.55979772 +0.80848175
a 4.3896188 Node 271.58275 -0.71102477 -0.58122022
e 0.2809483 Incl. 10.46784 -0.42552356 -0.09241384
P 9.20
From 634 observations 2005 Mar. 11-2024 June 6, mean residual 0".6.
302P/Lemmon-PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Mar. 9.23654 TT Rudenko
q 3.2886884 (2000.0) P Q
n 0.11168744 Peri. 208.60153 +0.86652185 +0.49106229
a 4.2703798 Node 121.71547 -0.43559862 +0.83145692
e 0.2298838 Incl. 6.03459 -0.24370829 +0.25987924
P 8.82
From 259 observations 2007 Aug. 16-2024 June 5, mean residual 0".6.
333P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Nov. 29.29843 TT Rudenko
q 1.1130376 (2000.0) P Q
n 0.11366290 Peri. 26.00955 -0.12525124 +0.73227671
a 4.2207557 Node 115.70162 +0.73020171 -0.38872289
e 0.7362943 Incl. 132.02200 +0.67165288 +0.55916486
P 8.67
From 703 observations 2007 Nov. 4-2024 May 28, mean residual 0".6.
349P/Lemmon
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 27.13567 TT Rudenko
q 2.5100921 (2000.0) P Q
n 0.14560208 Peri. 255.79464 -0.67287617 +0.73836881
a 3.5784174 Node 331.75279 -0.63647648 -0.60903592
e 0.2985469 Incl. 5.48858 -0.37700843 -0.28963209
P 6.77
From 206 observations 2010 Mar. 14-2024 June 4, mean residual 0".6.
404P/Bressi
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Nov. 4.07959 TT Rudenko
q 4.1326822 (2000.0) P Q
n 0.09584146 Peri. 169.36777 +0.34912647 -0.92195498
a 4.7289760 Node 260.03608 +0.84677379 +0.38702342
e 0.1260936 Incl. 9.80102 +0.40135378 -0.01455673
P 10.3
From 531 observations 2011 Oct. 24-2024 Apr. 10, mean residual 1".1.
408P/Novichonok-Gerke
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Oct. 5.66571 TT Rudenko
q 3.4688262 (2000.0) P Q
n 0.09540872 Peri. 226.57410 +0.56567113 -0.82283577
a 4.7432643 Node 189.44369 +0.81938343 +0.56827588
e 0.2686838 Incl. 19.35637 +0.09288142 -0.00195301
P 10.3
From 1744 observations 2011 Sept. 7-2024 May 18, mean residual 0".7.
420P/Hill
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 May 20.08251 TT Rudenko
q 2.7770105 (2000.0) P Q
n 0.07632066 Peri. 156.55817 +0.87050567 +0.49141663
a 5.5043747 Node 173.80069 -0.48180221 +0.86210325
e 0.4954903 Incl. 14.48514 -0.10043160 +0.12364338
P 12.9
From 231 observations 2009 Aug. 16-2024 Jan. 31, mean residual 0".8.
459P/Catalina
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Feb. 21.43306 TT Rudenko
q 1.3681164 (2000.0) P Q
n 0.16901684 Peri. 205.20183 -0.20792996 -0.97054839
a 3.2397840 Node 256.98950 +0.91725172 -0.15027311
e 0.5777137 Incl. 7.17294 +0.33972697 -0.18829184
P 5.83
From 647 observations 2017 Jan. 3-2024 June 2, mean residual 0".5.
473P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Feb. 26.24094 TT Rudenko
q 1.4057860 (2000.0) P Q
n 0.04380493 Peri. 42.91690 +0.53774820 -0.78150718
a 7.9699214 Node 22.18451 +0.34263130 -0.14026133
e 0.8236136 Incl. 56.90813 +0.77034451 +0.60792540
P 22.5
From 539 observations 2001 Aug. 18-2024 May 18, mean residual 0".9.
475P/Spacewatch-LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 June 1.63600 TT Rudenko
q 4.0774725 (2000.0) P Q
n 0.04989056 Peri. 40.39579 -0.97964305 +0.14837803
a 7.3078640 Node 147.37751 -0.17274207 -0.96622236
e 0.4420432 Incl. 14.52592 +0.10227250 -0.21070906
P 19.8
From 151 observations 2004 Feb. 11-2024 June 3, mean residual 0".7.
478P/ATLAS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 1.96363 TT Rudenko
q 2.3936065 (2000.0) P Q
n 0.14158885 Peri. 13.17769 -0.76674419 -0.61832027
a 3.6457203 Node 127.27164 +0.56756473 -0.77855408
e 0.3434476 Incl. 12.52521 +0.29995605 -0.10739455
P 6.96
From 519 observations 2015 Sept. 18-2024 May 27, mean residual 0".5.
479P/Elenin
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 5.24438 TT Rudenko
q 1.2437134 (2000.0) P Q
n 0.07392499 Peri. 263.52454 -0.91136077 +0.33512244
a 5.6226606 Node 295.83402 -0.18492117 -0.85208012
e 0.7788034 Incl. 15.39801 -0.36773048 -0.40206021
P 13.3
From 941 observations 2011 June 12-2024 June 5, mean residual 0".6.
481P/Lemmon-PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 July 8.83678 TT Rudenko
q 3.0716925 (2000.0) P Q
n 0.09740866 Peri. 356.68153 -0.00445426 -0.99438154
a 4.6781163 Node 93.55505 +0.91989563 -0.04554847
e 0.3433912 Incl. 6.08280 +0.39213797 +0.09555465
P 10.1
From 44 observations 2011 Sept. 26-2024 Mar. 8, mean residual 0".2.
483P/PANSTARRS A
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Feb. 22.90805 TT Rudenko
q 2.4619791 (2000.0) P Q
n 0.17357216 Peri. 47.87276 -0.38772659 +0.91796489
a 3.1828488 Node 199.79775 -0.90173762 -0.39656453
e 0.2264857 Incl. 14.31018 -0.19114745 +0.00877733
P 5.68
From 158 observations 2010 Apr. 3-2022 June 19, mean residual 1".2.
483P/PANSTARRS B
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Feb. 22.93299 TT Rudenko
q 2.4618574 (2000.0) P Q
n 0.17357659 Peri. 47.92295 -0.38695160 +0.91829244
a 3.1827946 Node 199.79590 -0.90207354 -0.39580192
e 0.2265108 Incl. 14.31033 -0.19113289 +0.00893464
P 5.68
From 75 observations 2010 Apr. 3-2022 July 7, mean residual 1".4.
Orbital elements:
2P/Encke
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Oct. 22.52802 TT Rudenko
q 0.3395661 (2000.0) P Q
n 0.29826115 Peri. 187.28687 -0.94614928 -0.31206458
a 2.2185621 Node 334.01729 +0.30605301 -0.77554145
e 0.8469432 Incl. 11.33726 +0.10551348 -0.54877240
P 3.30
From 3548 observations 2009 Aug. 22-2023 Oct. 13, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
12P/Pons-Brooks
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 21.12401 TT Rudenko
q 0.7807820 (2000.0) P Q
n 0.01380986 Peri. 198.98898 +0.14510930 -0.32930078
a 17.2058689 Node 255.85583 +0.98566231 +0.13017185
e 0.9546212 Incl. 74.19151 +0.08609932 -0.93520922
P 71.4
From 7843 observations 2023 Feb. 27-2024 May 28, mean residual 0".6.
13P/Olbers
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 June 30.04583 TT Rudenko
q 1.1754668 (2000.0) P Q
n 0.01421103 Peri. 64.41623 -0.60854544 -0.37163570
a 16.8805127 Node 85.84756 +0.18556922 -0.92569951
e 0.9303655 Incl. 44.66483 +0.77151573 -0.07047928
P 69.4
From 1360 observations 2023 Oct. 8-2024 June 2, mean residual 0".4.
Nongravitational parameters A1 = +0.53, A2 = -0.9606.
22P/Kopff
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Mar. 18.59031 TT Rudenko
q 1.5406729 (2000.0) P Q
n 0.15504166 Peri. 162.91915 +0.23422489 +0.96956175
a 3.4316562 Node 120.57554 -0.90136090 +0.24406972
e 0.5510410 Incl. 4.75272 -0.36426259 +0.01949305
P 6.36
From 5041 observations 2008 Jan. 30-2024 Apr. 9, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0395.
29P/Schwassmann-Wachmann
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2019 May 2.75113 TT Rudenko
q 5.7859625 (2000.0) P Q
n 0.06618424 Peri. 51.95348 +0.98936634 -0.08207007
a 6.0529395 Node 312.40591 +0.01231171 +0.86988465
e 0.0441070 Incl. 9.35915 +0.14492298 +0.48637968
P 14.9
From 19395 observations 2018 June 18-2024 June 6, mean residual 0".6.
32P/Comas Sola
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 20.60397 TT Rudenko
q 2.0245975 (2000.0) P Q
n 0.10146506 Peri. 54.66890 -0.31891464 -0.93733965
a 4.5525881 Node 54.53008 +0.80404945 -0.34594939
e 0.5552865 Incl. 9.92077 +0.50179471 -0.04139327
P 9.71
From 3655 observations 2013 Sept. 24-2024 May 31, mean residual 0".8.
Nongravitational parameters A1 = +1.85, A2 = +0.5838.
37P/Forbes
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Oct. 11.25999 TT Rudenko
q 1.6177225 (2000.0) P Q
n 0.15294604 Peri. 330.07039 +0.25681651 +0.96008471
a 3.4629314 Node 314.55452 -0.85298005 +0.17125170
e 0.5328459 Incl. 8.94745 -0.45439004 +0.22115650
P 6.44
From 1478 observations 2011 Feb. 8-2024 June 5, mean residual 0".6.
Nongravitational parameters A1 = +0.73, A2 = -0.0530.
48P/Johnson
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Mar. 2.60969 TT Rudenko
q 2.0064691 (2000.0) P Q
n 0.15047131 Peri. 216.76820 +0.82441021 +0.53004207
a 3.5007969 Node 110.06787 -0.45583357 +0.82967663
e 0.4268536 Incl. 12.20049 -0.33550494 +0.17519157
P 6.55
From 2295 observations 1949 Sept. 24-2024 June 5, mean residual 0".8.
Nongravitational parameters A1 = +0.57, A2 = -0.0177.
62P/Tsuchinshan
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Dec. 25.11525 TT Rudenko
q 1.2649400 (2000.0) P Q
n 0.15938585 Peri. 47.30236 -0.43554368 -0.89687415
a 3.3690145 Node 68.66650 +0.79986299 -0.42480104
e 0.6245371 Incl. 4.73750 +0.41294176 -0.12312933
P 6.18
From 1967 observations 2023 Aug. 29-2024 May 29, mean residual 0".5.
Nongravitational parameters A1 = +0.60, A2 = +0.4735.
65P/Gunn
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 June 16.84765 TT Rudenko
q 2.9254947 (2000.0) P Q
n 0.12841410 Peri. 213.76344 +0.09373660 +0.98559484
a 3.8909970 Node 61.97658 -0.87456260 +0.14908129
e 0.2481375 Incl. 9.17595 -0.47576645 -0.07985981
P 7.68
From 2782 observations 2013 Jan. 1-2024 June 5, mean residual 0".6.
Nongravitational parameters A1 = -0.13, A2 = -0.0215.
89P/Russell
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 26.60757 TT Rudenko
q 2.2218439 (2000.0) P Q
n 0.13563275 Peri. 250.40144 +0.35674703 +0.92392837
a 3.7516847 Node 41.34561 -0.75946146 +0.37295018
e 0.4077744 Incl. 12.07207 -0.54401272 +0.08523222
P 7.27
From 299 observations 1980 Sept. 28-2024 June 4, mean residual 0".7.
Nongravitational parameters A1 = +0.84, A2 = -0.0345.
103P/Hartley
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Oct. 12.50692 TT Rudenko
q 1.0641144 (2000.0) P Q
n 0.15218970 Peri. 181.30068 +0.75454673 -0.63876242
a 3.4743951 Node 219.74911 +0.60419907 +0.76568642
e 0.6937267 Incl. 13.61067 +0.25613028 +0.07554388
P 6.48
From 9086 observations 2004 Sept. 20-2024 May 5, mean residual 0".7.
Nongravitational parameters A1 = +0.11, A2 = +0.0236.
118P/Shoemaker-Levy
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 24.45921 TT Rudenko
q 1.8290905 (2000.0) P Q
n 0.16087316 Peri. 314.88437 -0.12805937 -0.98590569
a 3.3482174 Node 142.08422 +0.95215008 -0.15259228
e 0.4537122 Incl. 10.09026 +0.27750860 +0.06859711
P 6.13
From 1868 observations 2015 Sept. 15-2024 May 31, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0052.
119P/Parker-Hartley
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Aug. 12.29295 TT Rudenko
q 2.3287216 (2000.0) P Q
n 0.13266505 Peri. 322.17549 +0.39007540 -0.91232293
a 3.8074280 Node 104.55799 +0.87307973 +0.32350168
e 0.3883741 Incl. 7.39229 +0.29252858 +0.25102496
P 7.43
From 1536 observations 2021 July 2-2024 May 6, mean residual 0".5.
Nongravitational parameters A1 = -0.94, A2 = +0.1185.
125P/Spacewatch
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 7.29394 TT Rudenko
q 1.5266903 (2000.0) P Q
n 0.17804484 Peri. 87.13896 -0.48878927 +0.86888003
a 3.1293187 Node 153.15029 -0.85336914 -0.45754757
e 0.5121333 Incl. 9.98480 -0.18123510 -0.18893838
P 5.54
From 696 observations 2012 Dec. 8-2024 June 6, mean residual 0".6.
Nongravitational parameters A1 = +0.05, A2 = +0.0102.
129P/Shoemaker-Levy
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 30.97292 TT Rudenko
q 3.9243907 (2000.0) P Q
n 0.11085657 Peri. 307.55618 -0.67440132 -0.73834746
a 4.2916908 Node 184.86090 +0.69496127 -0.63241486
e 0.0855840 Incl. 3.44224 +0.24942270 -0.23429569
P 8.89
From 436 observations 2010 Sept. 4-2024 June 5, mean residual 0".6.
Nongravitational parameters A1 = +0.05, A2 = -0.0161.
130P/McNaught-Hughes
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 14.88348 TT Rudenko
q 1.8229854 (2000.0) P Q
n 0.15851994 Peri. 246.12737 +0.71822708 +0.68867600
a 3.3812720 Node 70.17868 -0.59378712 +0.68108568
e 0.4608581 Incl. 6.06360 -0.36272126 +0.24869193
P 6.22
From 1183 observations 2004 Apr. 20-2024 May 27, mean residual 0".7.
Nongravitational parameters A1 = +0.03, A2 = +0.0008.
144P/Kushida
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 25.76994 TT Rudenko
q 1.3988568 (2000.0) P Q
n 0.13144035 Peri. 216.32087 -0.15943913 -0.98531785
a 3.8310419 Node 242.92552 +0.92113427 -0.12623685
e 0.6348626 Incl. 3.93191 +0.35509270 -0.11494780
P 7.50
From 3175 observations 2016 July 31-2024 June 5, mean residual 0".5.
Nongravitational parameters A1 = +0.31, A2 = -0.0885.
146P/Shoemaker-LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Aug. 5.43657 TT Rudenko
q 1.4195881 (2000.0) P Q
n 0.12200013 Peri. 317.07355 +0.93950542 -0.13415005
a 4.0262047 Node 53.37546 +0.30273031 +0.75568863
e 0.6474128 Incl. 23.12305 -0.16026204 +0.64104482
P 8.08
From 149 observations 2016 Apr. 19-2024 May 31, mean residual 0".7.
Nongravitational parameters A1 = -0.50, A2 = -0.0676.
150P/LONEOS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 12.46185 TT Rudenko
q 1.7455858 (2000.0) P Q
n 0.12946204 Peri. 246.11286 -0.88084401 -0.35080504
a 3.8699714 Node 272.05902 +0.45839732 -0.79977257
e 0.5489409 Incl. 18.54736 -0.11826123 -0.48713413
P 7.61
From 1312 observations 1978 Mar. 6-2024 June 1, mean residual 0".4.
152P/Helin-Lawrence
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Jan. 14.75635 TT Rudenko
q 3.1018506 (2000.0) P Q
n 0.10383378 Peri. 164.35356 -0.23535416 +0.95666483
a 4.4830845 Node 91.79823 -0.90910284 -0.15430025
e 0.3080990 Incl. 9.87802 -0.34371564 -0.24694904
P 9.49
From 1308 observations 1993 Apr. 22-2024 Jan. 1, mean residual 0".9.
Nongravitational parameters A1 = +0.02, A2 = +0.0143.
154P/Brewington
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 June 13.28810 TT Rudenko
q 1.5529437 (2000.0) P Q
n 0.09381157 Peri. 47.95942 +0.84718502 -0.52387743
a 4.7969493 Node 343.01703 +0.35209504 +0.67831920
e 0.6762643 Incl. 17.63472 +0.39787765 +0.51520433
P 10.5
From 3024 observations 2002 July 7-2024 June 2, mean residual 0".6.
Nongravitational parameters A1 = +3.74, A2 = -0.0274.
162P/Siding Spring
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2026 May 17.60291 TT Rudenko
q 1.2890517 (2000.0) P Q
n 0.18126307 Peri. 357.21542 +0.87927291 -0.41285951
a 3.0921685 Node 30.88742 +0.44546846 +0.53621017
e 0.5831237 Incl. 27.56318 +0.16863274 +0.73622393
P 5.44
From 3245 observations 1990 Mar. 23-2024 June 4, mean residual 0".4.
170P/Christensen
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Apr. 17.71656 TT Rudenko
q 2.9207593 (2000.0) P Q
n 0.11424296 Peri. 225.14694 +0.98392519 -0.14344616
a 4.2064566 Node 142.71623 +0.16699445 +0.95011900
e 0.3056485 Incl. 10.11332 -0.06327782 +0.27694239
P 8.63
From 791 observations 2021 June 30-2024 Mar. 19, mean residual 0".6.
172P/Yeung
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Nov. 3.38599 TT Rudenko
q 3.3571959 (2000.0) P Q
n 0.11368231 Peri. 209.04629 -0.50592118 +0.85677494
a 4.2202753 Node 30.87729 -0.74904135 -0.37893669
e 0.2045078 Incl. 11.22515 -0.42776256 -0.34977662
P 8.67
From 368 observations 2012 Sept. 15-2024 May 27, mean residual 0".3.
190P/Mueller
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Dec. 24.09767 TT Rudenko
q 2.0197151 (2000.0) P Q
n 0.11339633 Peri. 50.50178 +0.89851624 -0.43865825
a 4.2273680 Node 335.50441 +0.39017630 +0.81460139
e 0.5222287 Incl. 2.17455 +0.20107469 +0.37947794
P 8.69
From 347 observations 1998 Sept. 14-2024 May 8, mean residual 0".7.
192P/Shoemaker-Levy
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 24.54843 TT Rudenko
q 1.4645210 (2000.0) P Q
n 0.06003017 Peri. 313.08993 +0.94472334 -0.03342092
a 6.4598586 Node 51.61250 +0.23382403 +0.76602321
e 0.7732890 Incl. 24.58937 -0.22983503 +0.64194352
P 16.4
From 101 observations 2007 Oct. 12-2024 May 30, mean residual 0".7.
199P/Shoemaker
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Aug. 7.56256 TT Rudenko
q 2.9104113 (2000.0) P Q
n 0.06915726 Peri. 191.77118 +0.22494448 +0.87858442
a 5.8781977 Node 92.34861 -0.85626212 +0.38458299
e 0.5048803 Incl. 24.93875 -0.46498943 -0.28317016
P 14.3
From 241 observations 2022 Feb. 3-2023 Nov. 14, mean residual 0".6.
Nongravitational parameters A1 = +0.72, A2 = -0.0373.
207P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 31.81676 TT Rudenko
q 0.9382494 (2000.0) P Q
n 0.12878477 Peri. 272.99139 -0.35584694 -0.93291335
a 3.8835275 Node 198.15587 +0.91228567 -0.33395377
e 0.7584028 Incl. 10.20133 +0.20275064 -0.13471289
P 7.65
From 1007 observations 2000 Oct. 7-2024 May 30, mean residual 0".9.
209P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 July 14.49818 TT Rudenko
q 0.9644230 (2000.0) P Q
n 0.19369890 Peri. 152.49420 -0.78849441 +0.52355973
a 2.9583617 Node 62.76983 -0.60960640 -0.59567074
e 0.6740010 Incl. 21.28250 -0.08158807 -0.60914824
P 5.09
From 2238 observations 2013 Sept. 8-2024 May 27, mean residual 0".4.
216P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 6.87633 TT Rudenko
q 2.1270744 (2000.0) P Q
n 0.13005059 Peri. 151.73383 -0.87910849 -0.47662140
a 3.8582868 Node 359.79868 +0.40222986 -0.74127237
e 0.4486998 Incl. 9.06302 +0.25569397 -0.47259635
P 7.58
From 383 observations 2001 Feb. 1-2024 May 3, mean residual 0".7.
217P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 May 24.89636 TT Rudenko
q 1.2264231 (2000.0) P Q
n 0.12571000 Peri. 247.00964 +0.95786320 -0.22260559
a 3.9465975 Node 125.38324 +0.26615281 +0.92548416
e 0.6892455 Incl. 12.86337 -0.10798501 +0.30647319
P 7.84
From 3392 observations 2001 June 21-2024 June 1, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0030.
224P/LINEAR-NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Sept. 30.13140 TT Rudenko
q 2.0470334 (2000.0) P Q
n 0.15411289 Peri. 16.74937 +0.55272360 -0.82010827
a 3.4454298 Node 40.03804 +0.73578952 +0.39682999
e 0.4058699 Incl. 13.30556 +0.39129324 +0.41224797
P 6.40
From 110 observations 2003 Nov. 20-2023 Jan. 11, mean residual 0".6.
227P/Catalina-LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 8.24854 TT Rudenko
q 1.6236192 (2000.0) P Q
n 0.15475407 Peri. 105.56883 -0.78710279 -0.61183276
a 3.4359064 Node 36.80885 +0.50394059 -0.71105171
e 0.5274553 Incl. 7.50859 +0.35568676 -0.34650561
P 6.37
From 1052 observations 2017 Jan. 22-2024 June 3, mean residual 0".5.
237P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 May 14.74202 TT Rudenko
q 1.9875403 (2000.0) P Q
n 0.14982579 Peri. 25.30201 -0.00009756 +0.97546692
a 3.5108451 Node 245.35513 -0.95372993 -0.06628090
e 0.4338855 Incl. 14.01695 -0.30066462 +0.20993127
P 6.58
From 2325 observations 2002 June 18-2024 Jan. 16, mean residual 0".7.
238P/Read
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 June 5.39115 TT Rudenko
q 2.3708184 (2000.0) P Q
n 0.17495942 Peri. 324.24514 +0.96173459 -0.27343635
a 3.1660019 Node 51.63293 +0.25622318 +0.87524319
e 0.2511633 Incl. 1.26401 +0.09703740 +0.39897609
P 5.63
From 328 observations 2005 Oct. 23-2022 Dec. 24, mean residual 0".6.
Nongravitational parameters A1 = +0.18, A2 = -0.0071.
242P/Spahr
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Dec. 23.37931 TT Rudenko
q 3.9715612 (2000.0) P Q
n 0.07582176 Peri. 244.87277 +0.41977649 -0.90762113
a 5.5284934 Node 180.36338 +0.89662153 +0.41410102
e 0.2816196 Incl. 32.46180 -0.14091676 -0.06887838
P 13.0
From 533 observations 2011 July 20-2024 Jan. 11, mean residual 0".7.
244P/Scotti
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 18.59518 TT Rudenko
q 3.9213877 (2000.0) P Q
n 0.09085668 Peri. 93.27616 +0.04730859 -0.99887185
a 4.9003995 Node 354.00760 +0.90009140 +0.04441556
e 0.1997820 Incl. 2.25879 +0.43312512 +0.01680151
P 10.8
From 1967 observations 2000 Nov. 29-2024 May 27, mean residual 0".7.
Nongravitational parameters A1 = +0.09, A2 = -0.0149.
246P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2021 Feb. 26.69335 TT Rudenko
q 2.9334394 (2000.0) P Q
n 0.11929868 Peri. 182.46015 -0.21817901 +0.93391389
a 4.0867584 Node 75.04468 -0.89029936 -0.07161988
e 0.2822087 Incl. 17.04544 -0.39970611 -0.35025053
P 8.26
From 4993 observations 2003 Mar. 7-2024 Jan. 28, mean residual 0".6.
Nongravitational parameters A1 = +1.27, A2 = +0.4429.
251P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Feb. 13.23998 TT Rudenko
q 1.7412714 (2000.0) P Q
n 0.14963728 Peri. 31.21670 -0.35984605 +0.89843631
a 3.5137931 Node 219.34131 -0.91678647 -0.39056503
e 0.5044468 Incl. 23.38752 -0.17324373 +0.20067674
P 6.59
From 80 observations 2017 Apr. 2-2024 May 14, mean residual 2".2.
253P/PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Oct. 20.94640 TT Rudenko
q 2.0268956 (2000.0) P Q
n 0.15298955 Peri. 230.80110 +0.95126086 -0.30476816
a 3.4622748 Node 146.86581 +0.30279156 +0.89407061
e 0.4145769 Incl. 4.94406 +0.05848121 +0.32825922
P 6.44
From 366 observations 1998 Sept. 14-2024 May 8, mean residual 0".6.
Nongravitational parameters A1 = -0.05, A2 = -0.0073.
256P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Mar. 12.06302 TT Rudenko
q 2.6997881 (2000.0) P Q
n 0.09868309 Peri. 124.14564 -0.80952702 +0.36684286
a 4.6377522 Node 81.32774 -0.56029132 -0.71591615
e 0.4178671 Incl. 27.62349 +0.17532722 -0.59404578
P 9.99
From 278 observations 2003 Jan. 27-2023 July 8, mean residual 0".8.
263P/Gibbs
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Jan. 30.61437 TT Rudenko
q 1.2357669 (2000.0) P Q
n 0.18581698 Peri. 35.03334 -0.76086027 -0.61970299
a 3.0414391 Node 105.50152 +0.54037917 -0.76932777
e 0.5936901 Incl. 11.52389 +0.35927984 -0.15525136
P 5.30
From 778 observations 2006 Nov. 10-2023 July 8, mean residual 0".5.
285P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Jan. 12.15528 TT Rudenko
q 1.7193318 (2000.0) P Q
n 0.10303930 Peri. 178.38919 +0.99743910 -0.05888609
a 4.5060994 Node 185.50392 +0.05997287 +0.99785883
e 0.6184434 Incl. 25.03727 +0.03896783 -0.02846376
P 9.57
From 1021 observations 2003 Sept. 19-2023 Jan. 9, mean residual 0".8.
286P/Christensen
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 May 11.99448 TT Rudenko
q 2.3512452 (2000.0) P Q
n 0.11859444 Peri. 24.72529 +0.60287372 +0.74492703
a 4.1029211 Node 283.65207 -0.77216992 +0.45468488
e 0.4269339 Incl. 17.09825 -0.20074085 +0.48820628
P 8.31
From 466 observations 2005 June 3-2022 Nov. 30, mean residual 0".5.
291P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 May 4.02480 TT Rudenko
q 2.5654143 (2000.0) P Q
n 0.10209884 Peri. 173.50925 +0.62643921 -0.77391958
a 4.5337285 Node 237.66031 +0.71011723 +0.61576053
e 0.4341491 Incl. 6.30977 +0.32141474 +0.14794410
P 9.65
From 989 observations 2003 Sept. 4-2024 Mar. 2, mean residual 0".8.
299P/Catalina-PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 30.37298 TT Rudenko
q 3.1563629 (2000.0) P Q
n 0.10716769 Peri. 323.69151 -0.55979772 +0.80848175
a 4.3896188 Node 271.58275 -0.71102477 -0.58122022
e 0.2809483 Incl. 10.46784 -0.42552356 -0.09241384
P 9.20
From 634 observations 2005 Mar. 11-2024 June 6, mean residual 0".6.
302P/Lemmon-PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Mar. 9.23654 TT Rudenko
q 3.2886884 (2000.0) P Q
n 0.11168744 Peri. 208.60153 +0.86652185 +0.49106229
a 4.2703798 Node 121.71547 -0.43559862 +0.83145692
e 0.2298838 Incl. 6.03459 -0.24370829 +0.25987924
P 8.82
From 259 observations 2007 Aug. 16-2024 June 5, mean residual 0".6.
333P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Nov. 29.29843 TT Rudenko
q 1.1130376 (2000.0) P Q
n 0.11366290 Peri. 26.00955 -0.12525124 +0.73227671
a 4.2207557 Node 115.70162 +0.73020171 -0.38872289
e 0.7362943 Incl. 132.02200 +0.67165288 +0.55916486
P 8.67
From 703 observations 2007 Nov. 4-2024 May 28, mean residual 0".6.
349P/Lemmon
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 27.13567 TT Rudenko
q 2.5100921 (2000.0) P Q
n 0.14560208 Peri. 255.79464 -0.67287617 +0.73836881
a 3.5784174 Node 331.75279 -0.63647648 -0.60903592
e 0.2985469 Incl. 5.48858 -0.37700843 -0.28963209
P 6.77
From 206 observations 2010 Mar. 14-2024 June 4, mean residual 0".6.
404P/Bressi
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Nov. 4.07959 TT Rudenko
q 4.1326822 (2000.0) P Q
n 0.09584146 Peri. 169.36777 +0.34912647 -0.92195498
a 4.7289760 Node 260.03608 +0.84677379 +0.38702342
e 0.1260936 Incl. 9.80102 +0.40135378 -0.01455673
P 10.3
From 531 observations 2011 Oct. 24-2024 Apr. 10, mean residual 1".1.
408P/Novichonok-Gerke
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Oct. 5.66571 TT Rudenko
q 3.4688262 (2000.0) P Q
n 0.09540872 Peri. 226.57410 +0.56567113 -0.82283577
a 4.7432643 Node 189.44369 +0.81938343 +0.56827588
e 0.2686838 Incl. 19.35637 +0.09288142 -0.00195301
P 10.3
From 1744 observations 2011 Sept. 7-2024 May 18, mean residual 0".7.
420P/Hill
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 May 20.08251 TT Rudenko
q 2.7770105 (2000.0) P Q
n 0.07632066 Peri. 156.55817 +0.87050567 +0.49141663
a 5.5043747 Node 173.80069 -0.48180221 +0.86210325
e 0.4954903 Incl. 14.48514 -0.10043160 +0.12364338
P 12.9
From 231 observations 2009 Aug. 16-2024 Jan. 31, mean residual 0".8.
459P/Catalina
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Feb. 21.43306 TT Rudenko
q 1.3681164 (2000.0) P Q
n 0.16901684 Peri. 205.20183 -0.20792996 -0.97054839
a 3.2397840 Node 256.98950 +0.91725172 -0.15027311
e 0.5777137 Incl. 7.17294 +0.33972697 -0.18829184
P 5.83
From 647 observations 2017 Jan. 3-2024 June 2, mean residual 0".5.
473P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Feb. 26.24094 TT Rudenko
q 1.4057860 (2000.0) P Q
n 0.04380493 Peri. 42.91690 +0.53774820 -0.78150718
a 7.9699214 Node 22.18451 +0.34263130 -0.14026133
e 0.8236136 Incl. 56.90813 +0.77034451 +0.60792540
P 22.5
From 539 observations 2001 Aug. 18-2024 May 18, mean residual 0".9.
475P/Spacewatch-LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 June 1.63600 TT Rudenko
q 4.0774725 (2000.0) P Q
n 0.04989056 Peri. 40.39579 -0.97964305 +0.14837803
a 7.3078640 Node 147.37751 -0.17274207 -0.96622236
e 0.4420432 Incl. 14.52592 +0.10227250 -0.21070906
P 19.8
From 151 observations 2004 Feb. 11-2024 June 3, mean residual 0".7.
478P/ATLAS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 1.96363 TT Rudenko
q 2.3936065 (2000.0) P Q
n 0.14158885 Peri. 13.17769 -0.76674419 -0.61832027
a 3.6457203 Node 127.27164 +0.56756473 -0.77855408
e 0.3434476 Incl. 12.52521 +0.29995605 -0.10739455
P 6.96
From 519 observations 2015 Sept. 18-2024 May 27, mean residual 0".5.
479P/Elenin
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 5.24438 TT Rudenko
q 1.2437134 (2000.0) P Q
n 0.07392499 Peri. 263.52454 -0.91136077 +0.33512244
a 5.6226606 Node 295.83402 -0.18492117 -0.85208012
e 0.7788034 Incl. 15.39801 -0.36773048 -0.40206021
P 13.3
From 941 observations 2011 June 12-2024 June 5, mean residual 0".6.
481P/Lemmon-PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 July 8.83678 TT Rudenko
q 3.0716925 (2000.0) P Q
n 0.09740866 Peri. 356.68153 -0.00445426 -0.99438154
a 4.6781163 Node 93.55505 +0.91989563 -0.04554847
e 0.3433912 Incl. 6.08280 +0.39213797 +0.09555465
P 10.1
From 44 observations 2011 Sept. 26-2024 Mar. 8, mean residual 0".2.
483P/PANSTARRS A
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Feb. 22.90805 TT Rudenko
q 2.4619791 (2000.0) P Q
n 0.17357216 Peri. 47.87276 -0.38772659 +0.91796489
a 3.1828488 Node 199.79775 -0.90173762 -0.39656453
e 0.2264857 Incl. 14.31018 -0.19114745 +0.00877733
P 5.68
From 158 observations 2010 Apr. 3-2022 June 19, mean residual 1".2.
483P/PANSTARRS B
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Feb. 22.93299 TT Rudenko
q 2.4618574 (2000.0) P Q
n 0.17357659 Peri. 47.92295 -0.38695160 +0.91829244
a 3.1827946 Node 199.79590 -0.90207354 -0.39580192
e 0.2265108 Incl. 14.31033 -0.19113289 +0.00893464
P 5.68
From 75 observations 2010 Apr. 3-2022 July 7, mean residual 1".4.