Коррекция орбиты некоторых периодических комет от 29 декабря ..
Добавлено: 29 дек 2023 07:07Коррекция орбиты некоторых периодических комет от 29 декабря 2023 года, MPEC 2023-Y97
Orbital elements:
9P/Tempel
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Mar. 6.54285 TT Rudenko
q 1.5468526 (2000.0) P Q
n 0.17537502 Peri. 180.16537 -0.36701692 +0.91455440
a 3.1609980 Node 68.30566 -0.85324475 -0.25820488
e 0.5106443 Incl. 10.54011 -0.37050232 -0.31132055
P 5.62
From 2429 observations 2015 Nov. 11-2023 Dec. 13, mean residual 0".5.
Nongravitational parameters A1 = -0.07, A2 = +0.0154.
10P/Tempel
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 Mar. 23.87245 TT Rudenko
q 1.4150708 (2000.0) P Q
n 0.18394030 Peri. 195.52976 +0.68116842 +0.70852740
a 3.0620912 Node 117.81380 -0.64755590 +0.70056878
e 0.5378744 Incl. 12.03282 -0.34158593 +0.08480748
P 5.36
From 4544 observations 2003 Mar. 7-2023 Dec. 15, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.
12P/Pons-Brooks
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 21.13060 TT Rudenko
q 0.7808714 (2000.0) P Q
n 0.01383110 Peri. 198.98731 +0.14512983 -0.32931068
a 17.1882460 Node 255.85495 +0.98565687 +0.13020641
e 0.9545695 Incl. 74.19084 +0.08612699 -0.93520092
P 71.3
From 5919 observations 2023 Feb. 27-Dec. 28, mean residual 0".6.
13P/Olbers
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 June 30.03407 TT Rudenko
q 1.1752668 (2000.0) P Q
n 0.01418113 Peri. 64.40098 -0.60892645 -0.37149189
a 16.9042318 Node 85.87532 +0.18566205 -0.92575922
e 0.9304750 Incl. 44.64228 +0.77119270 -0.07045306
P 69.5
From 471 observations 1956 Jan. 13-2023 Dec. 28, mean residual 0".6.
Nongravitational parameters A1 = +0.43, A2 = +0.1503.
26P/Grigg-Skjellerup
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 25.34691 TT Rudenko
q 1.0838769 (2000.0) P Q
n 0.18820446 Peri. 2.15045 -0.83352752 +0.51515531
a 3.0156627 Node 211.54046 -0.51241414 -0.85593896
e 0.6405842 Incl. 22.43302 -0.20655175 +0.04453656
P 5.24
From 701 observations 1966 Dec. 19-2023 Dec. 22, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0010.
28P/Neujmin
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 Mar. 11.64579 TT Rudenko
q 1.5820218 (2000.0) P Q
n 0.05341457 Peri. 347.47721 +0.89908402 +0.43387574
a 6.9827994 Node 346.35379 -0.37731532 +0.70046846
e 0.7734402 Incl. 14.30853 -0.22199342 +0.56665314
P 18.5
From 960 observations 2017 Mar. 19-2023 Dec. 25, mean residual 0".3.
29P/Schwassmann-Wachmann
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2019 Apr. 28.44476 TT Rudenko
q 5.7814790 (2000.0) P Q
n 0.06622391 Peri. 51.58044 +0.98987924 -0.07557799
a 6.0505221 Node 312.40292 +0.00658512 +0.86993784
e 0.0444661 Incl. 9.36142 +0.14175943 +0.48733574
P 14.9
From 17588 observations 2018 June 18-2023 Dec. 28, mean residual 0".6.
30P/Reinmuth
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Aug. 17.10148 TT Rudenko
q 1.8120905 (2000.0) P Q
n 0.13639211 Peri. 9.43774 -0.59708755 -0.79246821
a 3.7377468 Node 117.32646 +0.72654564 -0.59999418
e 0.5151917 Incl. 8.05073 +0.34002632 -0.10954961
P 7.23
From 912 observations 2011 Apr. 12-2023 Dec. 28, mean residual 0".8.
32P/Comas Sola
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 20.55552 TT Rudenko
q 2.0243649 (2000.0) P Q
n 0.10124749 Peri. 54.66633 -0.31887359 -0.93735546
a 4.5591080 Node 54.53004 +0.80407121 -0.34590838
e 0.5559735 Incl. 9.91989 +0.50178593 -0.04137807
P 9.73
From 4104 observations 2004 July 20-2023 Dec. 28, mean residual 0".8.
Nongravitational parameters A1 = +0.02, A2 = -0.1022.
58P/Jackson-Neujmin
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2020 May 27.74258 TT Rudenko
q 1.3796780 (2000.0) P Q
n 0.11921155 Peri. 200.54310 +0.99671224 -0.00194880
a 4.0887494 Node 159.06937 +0.01761199 +0.98101790
e 0.6625672 Incl. 13.10514 -0.07908561 +0.19390739
P 8.27
From 148 observations 2020 Apr. 9-Nov. 23, mean residual 0".9.
Nongravitational parameters A1 = +1.41, A2 = -0.6523.
61P/Shajn-Schaldach
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Oct. 23.71832 TT Rudenko
q 2.1258888 (2000.0) P Q
n 0.13912669 Peri. 221.63811 +0.90817879 -0.41746046
a 3.6886072 Node 162.96064 +0.40634364 +0.86169739
e 0.4236608 Incl. 5.99956 +0.10047949 +0.28845168
P 7.08
From 2678 observations 2000 Apr. 22-2023 Feb. 23, mean residual 1".1.
Nongravitational parameters A1 = +0.59, A2 = -0.2678.
62P/Tsuchinshan
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 25.09687 TT Rudenko
q 1.2650168 (2000.0) P Q
n 0.15924166 Peri. 47.28483 -0.43533738 -0.89697354
a 3.3710478 Node 68.67086 +0.79996023 -0.42462113
e 0.6247408 Incl. 4.73790 +0.41297094 -0.12302584
P 6.19
From 654 observations 2023 Aug. 29-Dec. 28, mean residual 0".5.
Nongravitational parameters A1 = -1.45, A2 = +0.1132.
64P/Swift-Gehrels
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 Mar. 29.71760 TT Rudenko
q 1.3856857 (2000.0) P Q
n 0.10491064 Peri. 97.21528 +0.78731101 -0.60161576
a 4.4523541 Node 299.86560 +0.48627916 +0.74042431
e 0.6887746 Incl. 8.94967 +0.37904348 +0.29971706
P 9.39
From 3508 observations 2000 Dec. 22-2019 May 4, mean residual 0".5.
Nongravitational parameters A1 = -0.03, A2 = +0.0501.
65P/Gunn
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 June 17.05895 TT Rudenko
q 2.9243615 (2000.0) P Q
n 0.12846479 Peri. 213.82797 +0.09488339 +0.98548498
a 3.8899735 Node 61.97870 -0.87439152 +0.15009872
e 0.2482310 Incl. 9.17582 -0.47585356 -0.07930778
P 7.67
From 2192 observations 2013 Jan. 1-2023 Dec. 28, mean residual 0".6.
Nongravitational parameters A1 = -0.19, A2 = -0.0210.
71P/Clark
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Jan. 22.83702 TT Rudenko
q 1.5891016 (2000.0) P Q
n 0.17719555 Peri. 209.09914 -0.03205138 +0.98947169
a 3.1393098 Node 59.38891 -0.88236431 +0.03831435
e 0.4938054 Incl. 9.43829 -0.46947410 -0.13956286
P 5.56
From 1404 observations 2016 Feb. 12-2023 Dec. 15, mean residual 1".1.
Nongravitational parameters A1 = +2.85, A2 = -0.4776.
74P/Smirnova-Chernykh
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 May 16.88179 TT Rudenko
q 4.4834495 (2000.0) P Q
n 0.09513675 Peri. 136.93183 -0.97926903 +0.18096284
a 4.7523001 Node 53.71350 -0.20252903 -0.86634141
e 0.0565727 Incl. 6.48358 -0.00376361 -0.46551586
P 10.4
From 1801 observations 2018 Jan. 1-2023 Dec. 14, mean residual 0".5.
Nongravitational parameters A1 = -2.13, A2 = -0.3630.
103P/Hartley
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 12.51263 TT Rudenko
q 1.0640924 (2000.0) P Q
n 0.15210774 Peri. 181.30149 +0.75452727 -0.63878528
a 3.4756431 Node 219.75002 +0.60422086 +0.76566775
e 0.6938430 Incl. 13.61045 +0.25613619 +0.07553984
P 6.48
From 8537 observations 2004 Sept. 20-2023 Dec. 28, mean residual 0".7.
Nongravitational parameters A1 = +0.14, A2 = +0.0240.
117P/Helin-Roman-Alu
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 July 8.95477 TT Rudenko
q 3.0414844 (2000.0) P Q
n 0.11925406 Peri. 223.20651 +0.20166321 +0.97085905
a 4.0877776 Node 58.82266 -0.85237702 +0.23907728
e 0.2559565 Incl. 8.70436 -0.48247836 -0.01657572
P 8.26
From 4783 observations 2010 Nov. 3-2023 Dec. 26, mean residual 0".7.
Nongravitational parameters A1 = +0.40, A2 = +0.0429.
119P/Parker-Hartley
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Aug. 12.16974 TT Rudenko
q 2.3280076 (2000.0) P Q
n 0.13273643 Peri. 322.12221 +0.39078619 -0.91201858
a 3.8060630 Node 104.56655 +0.87283341 +0.32418674
e 0.3883423 Incl. 7.39263 +0.29231488 +0.25124703
P 7.43
From 1484 observations 2021 July 2-2023 May 30, mean residual 0".5.
Nongravitational parameters A1 = -0.99, A2 = +0.1556.
121P/Shoemaker-Holt
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 June 28.86691 TT Rudenko
q 3.7302969 (2000.0) P Q
n 0.10040829 Peri. 11.67792 -0.25977877 -0.90238657
a 4.5844757 Node 94.11448 +0.85591350 -0.38002366
e 0.1863198 Incl. 20.16411 +0.44713205 +0.20317602
P 9.82
From 145 observations 2012 Oct. 22-2023 Dec. 14, mean residual 0".3.
126P/IRAS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 5.32168 TT Rudenko
q 1.7105193 (2000.0) P Q
n 0.07362387 Peri. 356.59248 +0.99600460 +0.08522486
a 5.6379812 Node 357.87027 -0.05500676 +0.35017906
e 0.6966078 Incl. 45.87321 -0.07034982 +0.93279759
P 13.4
From 1550 observations 2009 May 27-2023 Dec. 27, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = +0.1548.
144P/Kushida
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 25.76806 TT Rudenko
q 1.3987800 (2000.0) P Q
n 0.13135582 Peri. 216.32082 -0.15948801 -0.98531032
a 3.8326855 Node 242.92840 +0.92112512 -0.12628396
e 0.6350392 Incl. 3.93140 +0.35509447 -0.11496054
P 7.50
From 1209 observations 2016 July 31-2023 Dec. 28, mean residual 0".5.
Nongravitational parameters A1 = +0.68, A2 = -0.0257.
150P/LONEOS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Mar. 12.43647 TT Rudenko
q 1.7457277 (2000.0) P Q
n 0.12945489 Peri. 246.09692 -0.88075314 -0.35104471
a 3.8701139 Node 272.05946 +0.45860887 -0.79964957
e 0.5489208 Incl. 18.54659 -0.11811777 -0.48716340
P 7.61
From 715 observations 1978 Mar. 6-2023 Dec. 28, mean residual 0".5.
158P/Kowal-LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Feb. 23.54027 TT Rudenko
q 4.8640572 (2000.0) P Q
n 0.07714064 Peri. 205.17955 +0.90216223 +0.42013204
a 5.4652985 Node 129.61979 -0.37115678 +0.87163124
e 0.1100107 Incl. 7.30478 -0.21987714 +0.25248377
P 12.8
From 214 observations 2021 June 8-2023 Dec. 15, mean residual 0".6.
170P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 18.93895 TT Rudenko
q 2.9233079 (2000.0) P Q
n 0.11398697 Peri. 225.31635 +0.98323150 -0.14834700
a 4.2127522 Node 142.83273 +0.17162985 +0.94933883
e 0.3060812 Incl. 10.11103 -0.06163616 +0.27703602
P 8.65
From 588 observations 2021 June 30-2023 Dec. 28, mean residual 0".5.
172P/Yeung
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Nov. 3.94086 TT Rudenko
q 3.3561189 (2000.0) P Q
n 0.11374648 Peri. 209.14917 -0.50442884 +0.85765526
a 4.2186879 Node 30.87417 -0.74969443 -0.37763225
e 0.2044638 Incl. 11.22535 -0.42838045 -0.34902913
P 8.66
From 328 observations 2012 Sept. 15-2023 Dec. 17, mean residual 0".3.
179P/Jedicke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 May 31.18050 TT Rudenko
q 4.1187456 (2000.0) P Q
n 0.06819196 Peri. 297.03942 +0.56002337 -0.76944647
a 5.9335410 Node 115.51534 +0.82798320 +0.50701590
e 0.3058537 Incl. 19.89615 +0.02859465 +0.38844176
P 14.5
From 476 observations 2006 Oct. 22-2023 Dec. 22, mean residual 0".6.
185P/Petriew
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 12.89705 TT Rudenko
q 0.9303001 (2000.0) P Q
n 0.18072768 Peri. 181.88644 +0.80956029 -0.57110881
a 3.0982724 Node 214.11417 +0.54171705 +0.81593200
e 0.6997358 Incl. 14.01462 +0.22617423 +0.08994278
P 5.45
From 814 observations 2007 Jan. 11-2023 Dec. 12, mean residual 0".8.
Nongravitational parameters A1 = +0.00, A2 = +0.0143.
195P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 July 27.68224 TT Rudenko
q 4.4538605 (2000.0) P Q
n 0.05943889 Peri. 249.52376 -0.51440163 -0.67496513
a 6.5026283 Node 243.10406 +0.82030297 -0.56711172
e 0.3150676 Incl. 36.37965 -0.24998800 -0.47202371
P 16.6
From 439 observations 1993 Feb. 26-2023 Dec. 28, mean residual 0".6.
207P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 31.81276 TT Rudenko
q 0.9381268 (2000.0) P Q
n 0.12882652 Peri. 272.98782 -0.35586948 -0.93290395
a 3.8826884 Node 198.16090 +0.91227698 -0.33397193
e 0.7583822 Incl. 10.20112 +0.20275016 -0.13473299
P 7.65
From 341 observations 2000 Oct. 7-2023 Dec. 25, mean residual 0".8.
212P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 25.09263 TT Rudenko
q 1.6121438 (2000.0) P Q
n 0.12782089 Peri. 14.01699 -0.35711017 -0.85623679
a 3.9030264 Node 97.99508 +0.81656606 -0.48021307
e 0.5869503 Incl. 22.14392 +0.45353302 +0.19040473
P 7.71
From 160 observations 2000 Dec. 1-2023 Dec. 18, mean residual 0".8.
216P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 6.85962 TT Rudenko
q 2.1270913 (2000.0) P Q
n 0.13010865 Peri. 151.72815 -0.87905116 -0.47672711
a 3.8571388 Node 359.79745 +0.40231905 -0.74122027
e 0.4485313 Incl. 9.06336 +0.25575072 -0.47257145
P 7.58
From 196 observations 2001 Feb. 1-2023 Dec. 17, mean residual 0".8.
226P/Pigott-LINEAR-Kowalski
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 27.23954 TT Rudenko
q 1.7737405 (2000.0) P Q
n 0.13482064 Peri. 341.07394 +0.74447812 -0.35958790
a 3.7667355 Node 54.01322 +0.66625530 +0.34576113
e 0.5291040 Incl. 44.04464 +0.04308377 +0.86668667
P 7.31
From 304 observations 2023 July 26-Dec. 28, mean residual 0".4.
Nongravitational parameters A1 = -1.20, A2 = +0.2392.
227P/Catalina-LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Mar. 8.20437 TT Rudenko
q 1.6237898 (2000.0) P Q
n 0.15466612 Peri. 105.54261 -0.78683959 -0.61217048
a 3.4372089 Node 36.81048 +0.50424314 -0.71083641
e 0.5275848 Incl. 7.50886 +0.35584029 -0.34635084
P 6.37
From 139 observations 2017 Jan. 22-2023 Dec. 25, mean residual 0".3.
237P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.69014 TT Rudenko
q 1.9870706 (2000.0) P Q
n 0.14986531 Peri. 25.26613 -0.00062718 +0.97546614
a 3.5102279 Node 245.35978 -0.95368748 -0.06680389
e 0.4339198 Incl. 14.01658 -0.30079859 +0.20976906
P 6.58
From 2261 observations 2002 June 18-2023 Dec. 15, mean residual 0".7.
244P/Scotti
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Nov. 17.91710 TT Rudenko
q 3.9206834 (2000.0) P Q
n 0.09091202 Peri. 93.18912 +0.04894032 -0.99879321
a 4.8984106 Node 354.00103 +0.90001488 +0.04588806
e 0.1996009 Incl. 2.25917 +0.43310283 +0.01750468
P 10.8
From 1808 observations 2000 Nov. 29-2023 Dec. 20, mean residual 0".7.
Nongravitational parameters A1 = +0.08, A2 = -0.0149.
246P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 Mar. 1.77696 TT Rudenko
q 2.8741860 (2000.0) P Q
n 0.12090293 Peri. 179.48770 -0.23757052 +0.93225886
a 4.0505268 Node 76.74852 -0.89220887 -0.09835187
e 0.2904168 Incl. 16.27967 -0.38408800 -0.34816711
P 8.15
From 4977 observations 2003 Mar. 7-2023 Dec. 13, mean residual 0".6.
Nongravitational parameters A1 = +1.26, A2 = +0.4428.
276P/Vorobjov
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 11.99300 TT Rudenko
q 3.8984348 (2000.0) P Q
n 0.08009011 Peri. 199.40803 +0.63847586 -0.75806825
a 5.3302812 Node 211.33998 +0.73561000 +0.65187439
e 0.2686249 Incl. 14.81244 +0.22633273 +0.01980692
P 12.3
From 356 observations 2000 Dec. 19-2023 Dec. 17, mean residual 0".5.
287P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 6.25876 TT Rudenko
q 3.0342736 (2000.0) P Q
n 0.11596352 Peri. 189.16480 +0.84574181 +0.50078744
a 4.1647454 Node 139.04133 -0.47003224 +0.86260329
e 0.2714384 Incl. 16.32070 -0.25256777 +0.07160660
P 8.50
From 369 observations 2006 Aug. 30-2023 Dec. 9, mean residual 0".9.
Nongravitational parameters A1 = -4.58, A2 = +0.2194.
291P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 4.04933 TT Rudenko
q 2.5652304 (2000.0) P Q
n 0.10204597 Peri. 173.50865 +0.62646193 -0.77390157
a 4.5352944 Node 237.65923 +0.71010012 +0.61578042
e 0.4343850 Incl. 6.30963 +0.32140826 +0.14795551
P 9.66
From 962 observations 2003 Sept. 4-2023 Dec. 13, mean residual 0".8.
310P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 23.71881 TT Rudenko
q 2.4166809 (2000.0) P Q
n 0.11497713 Peri. 31.62290 +0.76202901 -0.64658484
a 4.1885311 Node 8.92125 +0.53662563 +0.60013375
e 0.4230242 Incl. 13.12387 +0.36241512 +0.47092199
P 8.57
From 539 observations 2006 Aug. 29-2023 Dec. 28, mean residual 0".5.
349P/Lemmon
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 May 27.27721 TT Rudenko
q 2.5098444 (2000.0) P Q
n 0.14565815 Peri. 255.82778 -0.67239720 +0.73880511
a 3.5774989 Node 331.75680 -0.63686760 -0.60861919
e 0.2984360 Incl. 5.48910 -0.37720241 -0.28939539
P 6.77
From 133 observations 2010 Mar. 14-2023 Dec. 25, mean residual 0".6.
378P/McNaught
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2020 Oct. 14.18477 TT Rudenko
q 3.3660585 (2000.0) P Q
n 0.06219937 Peri. 193.50940 +0.28702957 +0.90061039
a 6.3087800 Node 93.93937 -0.84567604 +0.39826556
e 0.4664486 Incl. 19.09523 -0.44994007 -0.17402724
P 15.8
From 753 observations 2003 May 30-2023 Dec. 27, mean residual 0".6.
404P/Bressi
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Nov. 3.94894 TT Rudenko
q 4.1326791 (2000.0) P Q
n 0.09554018 Peri. 169.33965 +0.34945984 -0.92186190
a 4.7389122 Node 260.04373 +0.84663956 +0.38725700
e 0.1279266 Incl. 9.79000 +0.40134684 -0.01423552
P 10.3
From 456 observations 2011 Oct. 24-2023 Dec. 21, mean residual 1".1.
408P/Novichonok-Gerke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Oct. 5.41083 TT Rudenko
q 3.4679629 (2000.0) P Q
n 0.09543554 Peri. 226.52373 +0.56643262 -0.82231270
a 4.7423756 Node 189.44093 +0.81885901 +0.56903283
e 0.2687288 Incl. 19.35691 +0.09286547 -0.00186202
P 10.3
From 1515 observations 2011 Sept. 7-2023 Dec. 28, mean residual 0".6.
426P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Sept. 12.16496 TT Rudenko
q 2.6737872 (2000.0) P Q
n 0.17294465 Peri. 118.77233 +0.73381509 -0.60946565
a 3.1905432 Node 280.42877 +0.46654920 +0.77322447
e 0.1619649 Incl. 17.76735 +0.49380893 +0.17514432
P 5.70
From 90 observations 2019 Jan. 8-2023 Dec. 13, mean residual 0".4.
450P/LONEOS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2027 Jan. 16.90616 TT Rudenko
q 5.4917013 (2000.0) P Q
n 0.04377248 Peri. 21.19042 -0.82422749 -0.54593746
a 7.9738598 Node 124.83097 +0.48963529 -0.82048112
e 0.3112869 Incl. 10.55333 +0.28444038 -0.16959668
P 22.5
From 561 observations 2003 Oct. 25-2023 Dec. 15, mean residual 0".7.
465P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 9.89424 TT Rudenko
q 2.3297673 (2000.0) P Q
n 0.06640605 Peri. 141.23887 +0.96127369 +0.06121559
a 6.0394534 Node 218.01114 -0.07531891 +0.99625409
e 0.6142420 Incl. 25.87124 +0.26510367 +0.06107737
P 14.8
From 818 observations 2008 June 12-2023 Dec. 13, mean residual 0".9.
470P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 18.39987 TT Rudenko
q 2.7285862 (2000.0) P Q
n 0.10415456 Peri. 152.07646 +0.78001123 -0.60977677
a 4.4738750 Node 246.19388 +0.54170580 +0.77042121
e 0.3901068 Incl. 8.83691 +0.31326873 +0.18607376
P 9.46
From 178 observations 2014 Nov. 17-2023 Dec. 25, mean residual 0".4.
471P
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 20.29912 TT Rudenko
q 2.1233845 (2000.0) P Q
n 0.07232125 Peri. 94.95587 +0.94602454 -0.31374131
a 5.7054791 Node 283.34670 +0.25428588 +0.87400191
e 0.6278342 Incl. 4.79096 +0.20093847 +0.37106206
P 13.6
From 751 observations 1996 June 23-2023 Dec. 26, mean residual 0".8.
472P/NEAT-LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 July 17.56723 TT Rudenko
q 3.3863757 (2000.0) P Q
n 0.04540804 Peri. 219.29100 +0.42233808 -0.90265826
a 7.7812177 Node 206.04089 +0.87185742 +0.42949068
e 0.5648013 Incl. 10.85755 +0.24798222 +0.02730972
P 21.7
From 507 observations 2002 Sept. 15-2023 Dec. 16, mean residual 0".7.
Orbital elements:
9P/Tempel
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Mar. 6.54285 TT Rudenko
q 1.5468526 (2000.0) P Q
n 0.17537502 Peri. 180.16537 -0.36701692 +0.91455440
a 3.1609980 Node 68.30566 -0.85324475 -0.25820488
e 0.5106443 Incl. 10.54011 -0.37050232 -0.31132055
P 5.62
From 2429 observations 2015 Nov. 11-2023 Dec. 13, mean residual 0".5.
Nongravitational parameters A1 = -0.07, A2 = +0.0154.
10P/Tempel
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 Mar. 23.87245 TT Rudenko
q 1.4150708 (2000.0) P Q
n 0.18394030 Peri. 195.52976 +0.68116842 +0.70852740
a 3.0620912 Node 117.81380 -0.64755590 +0.70056878
e 0.5378744 Incl. 12.03282 -0.34158593 +0.08480748
P 5.36
From 4544 observations 2003 Mar. 7-2023 Dec. 15, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.
12P/Pons-Brooks
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 21.13060 TT Rudenko
q 0.7808714 (2000.0) P Q
n 0.01383110 Peri. 198.98731 +0.14512983 -0.32931068
a 17.1882460 Node 255.85495 +0.98565687 +0.13020641
e 0.9545695 Incl. 74.19084 +0.08612699 -0.93520092
P 71.3
From 5919 observations 2023 Feb. 27-Dec. 28, mean residual 0".6.
13P/Olbers
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 June 30.03407 TT Rudenko
q 1.1752668 (2000.0) P Q
n 0.01418113 Peri. 64.40098 -0.60892645 -0.37149189
a 16.9042318 Node 85.87532 +0.18566205 -0.92575922
e 0.9304750 Incl. 44.64228 +0.77119270 -0.07045306
P 69.5
From 471 observations 1956 Jan. 13-2023 Dec. 28, mean residual 0".6.
Nongravitational parameters A1 = +0.43, A2 = +0.1503.
26P/Grigg-Skjellerup
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 25.34691 TT Rudenko
q 1.0838769 (2000.0) P Q
n 0.18820446 Peri. 2.15045 -0.83352752 +0.51515531
a 3.0156627 Node 211.54046 -0.51241414 -0.85593896
e 0.6405842 Incl. 22.43302 -0.20655175 +0.04453656
P 5.24
From 701 observations 1966 Dec. 19-2023 Dec. 22, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0010.
28P/Neujmin
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 Mar. 11.64579 TT Rudenko
q 1.5820218 (2000.0) P Q
n 0.05341457 Peri. 347.47721 +0.89908402 +0.43387574
a 6.9827994 Node 346.35379 -0.37731532 +0.70046846
e 0.7734402 Incl. 14.30853 -0.22199342 +0.56665314
P 18.5
From 960 observations 2017 Mar. 19-2023 Dec. 25, mean residual 0".3.
29P/Schwassmann-Wachmann
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2019 Apr. 28.44476 TT Rudenko
q 5.7814790 (2000.0) P Q
n 0.06622391 Peri. 51.58044 +0.98987924 -0.07557799
a 6.0505221 Node 312.40292 +0.00658512 +0.86993784
e 0.0444661 Incl. 9.36142 +0.14175943 +0.48733574
P 14.9
From 17588 observations 2018 June 18-2023 Dec. 28, mean residual 0".6.
30P/Reinmuth
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Aug. 17.10148 TT Rudenko
q 1.8120905 (2000.0) P Q
n 0.13639211 Peri. 9.43774 -0.59708755 -0.79246821
a 3.7377468 Node 117.32646 +0.72654564 -0.59999418
e 0.5151917 Incl. 8.05073 +0.34002632 -0.10954961
P 7.23
From 912 observations 2011 Apr. 12-2023 Dec. 28, mean residual 0".8.
32P/Comas Sola
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 20.55552 TT Rudenko
q 2.0243649 (2000.0) P Q
n 0.10124749 Peri. 54.66633 -0.31887359 -0.93735546
a 4.5591080 Node 54.53004 +0.80407121 -0.34590838
e 0.5559735 Incl. 9.91989 +0.50178593 -0.04137807
P 9.73
From 4104 observations 2004 July 20-2023 Dec. 28, mean residual 0".8.
Nongravitational parameters A1 = +0.02, A2 = -0.1022.
58P/Jackson-Neujmin
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2020 May 27.74258 TT Rudenko
q 1.3796780 (2000.0) P Q
n 0.11921155 Peri. 200.54310 +0.99671224 -0.00194880
a 4.0887494 Node 159.06937 +0.01761199 +0.98101790
e 0.6625672 Incl. 13.10514 -0.07908561 +0.19390739
P 8.27
From 148 observations 2020 Apr. 9-Nov. 23, mean residual 0".9.
Nongravitational parameters A1 = +1.41, A2 = -0.6523.
61P/Shajn-Schaldach
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Oct. 23.71832 TT Rudenko
q 2.1258888 (2000.0) P Q
n 0.13912669 Peri. 221.63811 +0.90817879 -0.41746046
a 3.6886072 Node 162.96064 +0.40634364 +0.86169739
e 0.4236608 Incl. 5.99956 +0.10047949 +0.28845168
P 7.08
From 2678 observations 2000 Apr. 22-2023 Feb. 23, mean residual 1".1.
Nongravitational parameters A1 = +0.59, A2 = -0.2678.
62P/Tsuchinshan
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 25.09687 TT Rudenko
q 1.2650168 (2000.0) P Q
n 0.15924166 Peri. 47.28483 -0.43533738 -0.89697354
a 3.3710478 Node 68.67086 +0.79996023 -0.42462113
e 0.6247408 Incl. 4.73790 +0.41297094 -0.12302584
P 6.19
From 654 observations 2023 Aug. 29-Dec. 28, mean residual 0".5.
Nongravitational parameters A1 = -1.45, A2 = +0.1132.
64P/Swift-Gehrels
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 Mar. 29.71760 TT Rudenko
q 1.3856857 (2000.0) P Q
n 0.10491064 Peri. 97.21528 +0.78731101 -0.60161576
a 4.4523541 Node 299.86560 +0.48627916 +0.74042431
e 0.6887746 Incl. 8.94967 +0.37904348 +0.29971706
P 9.39
From 3508 observations 2000 Dec. 22-2019 May 4, mean residual 0".5.
Nongravitational parameters A1 = -0.03, A2 = +0.0501.
65P/Gunn
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 June 17.05895 TT Rudenko
q 2.9243615 (2000.0) P Q
n 0.12846479 Peri. 213.82797 +0.09488339 +0.98548498
a 3.8899735 Node 61.97870 -0.87439152 +0.15009872
e 0.2482310 Incl. 9.17582 -0.47585356 -0.07930778
P 7.67
From 2192 observations 2013 Jan. 1-2023 Dec. 28, mean residual 0".6.
Nongravitational parameters A1 = -0.19, A2 = -0.0210.
71P/Clark
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Jan. 22.83702 TT Rudenko
q 1.5891016 (2000.0) P Q
n 0.17719555 Peri. 209.09914 -0.03205138 +0.98947169
a 3.1393098 Node 59.38891 -0.88236431 +0.03831435
e 0.4938054 Incl. 9.43829 -0.46947410 -0.13956286
P 5.56
From 1404 observations 2016 Feb. 12-2023 Dec. 15, mean residual 1".1.
Nongravitational parameters A1 = +2.85, A2 = -0.4776.
74P/Smirnova-Chernykh
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 May 16.88179 TT Rudenko
q 4.4834495 (2000.0) P Q
n 0.09513675 Peri. 136.93183 -0.97926903 +0.18096284
a 4.7523001 Node 53.71350 -0.20252903 -0.86634141
e 0.0565727 Incl. 6.48358 -0.00376361 -0.46551586
P 10.4
From 1801 observations 2018 Jan. 1-2023 Dec. 14, mean residual 0".5.
Nongravitational parameters A1 = -2.13, A2 = -0.3630.
103P/Hartley
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 12.51263 TT Rudenko
q 1.0640924 (2000.0) P Q
n 0.15210774 Peri. 181.30149 +0.75452727 -0.63878528
a 3.4756431 Node 219.75002 +0.60422086 +0.76566775
e 0.6938430 Incl. 13.61045 +0.25613619 +0.07553984
P 6.48
From 8537 observations 2004 Sept. 20-2023 Dec. 28, mean residual 0".7.
Nongravitational parameters A1 = +0.14, A2 = +0.0240.
117P/Helin-Roman-Alu
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 July 8.95477 TT Rudenko
q 3.0414844 (2000.0) P Q
n 0.11925406 Peri. 223.20651 +0.20166321 +0.97085905
a 4.0877776 Node 58.82266 -0.85237702 +0.23907728
e 0.2559565 Incl. 8.70436 -0.48247836 -0.01657572
P 8.26
From 4783 observations 2010 Nov. 3-2023 Dec. 26, mean residual 0".7.
Nongravitational parameters A1 = +0.40, A2 = +0.0429.
119P/Parker-Hartley
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Aug. 12.16974 TT Rudenko
q 2.3280076 (2000.0) P Q
n 0.13273643 Peri. 322.12221 +0.39078619 -0.91201858
a 3.8060630 Node 104.56655 +0.87283341 +0.32418674
e 0.3883423 Incl. 7.39263 +0.29231488 +0.25124703
P 7.43
From 1484 observations 2021 July 2-2023 May 30, mean residual 0".5.
Nongravitational parameters A1 = -0.99, A2 = +0.1556.
121P/Shoemaker-Holt
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 June 28.86691 TT Rudenko
q 3.7302969 (2000.0) P Q
n 0.10040829 Peri. 11.67792 -0.25977877 -0.90238657
a 4.5844757 Node 94.11448 +0.85591350 -0.38002366
e 0.1863198 Incl. 20.16411 +0.44713205 +0.20317602
P 9.82
From 145 observations 2012 Oct. 22-2023 Dec. 14, mean residual 0".3.
126P/IRAS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 5.32168 TT Rudenko
q 1.7105193 (2000.0) P Q
n 0.07362387 Peri. 356.59248 +0.99600460 +0.08522486
a 5.6379812 Node 357.87027 -0.05500676 +0.35017906
e 0.6966078 Incl. 45.87321 -0.07034982 +0.93279759
P 13.4
From 1550 observations 2009 May 27-2023 Dec. 27, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = +0.1548.
144P/Kushida
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 25.76806 TT Rudenko
q 1.3987800 (2000.0) P Q
n 0.13135582 Peri. 216.32082 -0.15948801 -0.98531032
a 3.8326855 Node 242.92840 +0.92112512 -0.12628396
e 0.6350392 Incl. 3.93140 +0.35509447 -0.11496054
P 7.50
From 1209 observations 2016 July 31-2023 Dec. 28, mean residual 0".5.
Nongravitational parameters A1 = +0.68, A2 = -0.0257.
150P/LONEOS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Mar. 12.43647 TT Rudenko
q 1.7457277 (2000.0) P Q
n 0.12945489 Peri. 246.09692 -0.88075314 -0.35104471
a 3.8701139 Node 272.05946 +0.45860887 -0.79964957
e 0.5489208 Incl. 18.54659 -0.11811777 -0.48716340
P 7.61
From 715 observations 1978 Mar. 6-2023 Dec. 28, mean residual 0".5.
158P/Kowal-LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Feb. 23.54027 TT Rudenko
q 4.8640572 (2000.0) P Q
n 0.07714064 Peri. 205.17955 +0.90216223 +0.42013204
a 5.4652985 Node 129.61979 -0.37115678 +0.87163124
e 0.1100107 Incl. 7.30478 -0.21987714 +0.25248377
P 12.8
From 214 observations 2021 June 8-2023 Dec. 15, mean residual 0".6.
170P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 18.93895 TT Rudenko
q 2.9233079 (2000.0) P Q
n 0.11398697 Peri. 225.31635 +0.98323150 -0.14834700
a 4.2127522 Node 142.83273 +0.17162985 +0.94933883
e 0.3060812 Incl. 10.11103 -0.06163616 +0.27703602
P 8.65
From 588 observations 2021 June 30-2023 Dec. 28, mean residual 0".5.
172P/Yeung
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Nov. 3.94086 TT Rudenko
q 3.3561189 (2000.0) P Q
n 0.11374648 Peri. 209.14917 -0.50442884 +0.85765526
a 4.2186879 Node 30.87417 -0.74969443 -0.37763225
e 0.2044638 Incl. 11.22535 -0.42838045 -0.34902913
P 8.66
From 328 observations 2012 Sept. 15-2023 Dec. 17, mean residual 0".3.
179P/Jedicke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 May 31.18050 TT Rudenko
q 4.1187456 (2000.0) P Q
n 0.06819196 Peri. 297.03942 +0.56002337 -0.76944647
a 5.9335410 Node 115.51534 +0.82798320 +0.50701590
e 0.3058537 Incl. 19.89615 +0.02859465 +0.38844176
P 14.5
From 476 observations 2006 Oct. 22-2023 Dec. 22, mean residual 0".6.
185P/Petriew
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 12.89705 TT Rudenko
q 0.9303001 (2000.0) P Q
n 0.18072768 Peri. 181.88644 +0.80956029 -0.57110881
a 3.0982724 Node 214.11417 +0.54171705 +0.81593200
e 0.6997358 Incl. 14.01462 +0.22617423 +0.08994278
P 5.45
From 814 observations 2007 Jan. 11-2023 Dec. 12, mean residual 0".8.
Nongravitational parameters A1 = +0.00, A2 = +0.0143.
195P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 July 27.68224 TT Rudenko
q 4.4538605 (2000.0) P Q
n 0.05943889 Peri. 249.52376 -0.51440163 -0.67496513
a 6.5026283 Node 243.10406 +0.82030297 -0.56711172
e 0.3150676 Incl. 36.37965 -0.24998800 -0.47202371
P 16.6
From 439 observations 1993 Feb. 26-2023 Dec. 28, mean residual 0".6.
207P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 31.81276 TT Rudenko
q 0.9381268 (2000.0) P Q
n 0.12882652 Peri. 272.98782 -0.35586948 -0.93290395
a 3.8826884 Node 198.16090 +0.91227698 -0.33397193
e 0.7583822 Incl. 10.20112 +0.20275016 -0.13473299
P 7.65
From 341 observations 2000 Oct. 7-2023 Dec. 25, mean residual 0".8.
212P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 25.09263 TT Rudenko
q 1.6121438 (2000.0) P Q
n 0.12782089 Peri. 14.01699 -0.35711017 -0.85623679
a 3.9030264 Node 97.99508 +0.81656606 -0.48021307
e 0.5869503 Incl. 22.14392 +0.45353302 +0.19040473
P 7.71
From 160 observations 2000 Dec. 1-2023 Dec. 18, mean residual 0".8.
216P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 6.85962 TT Rudenko
q 2.1270913 (2000.0) P Q
n 0.13010865 Peri. 151.72815 -0.87905116 -0.47672711
a 3.8571388 Node 359.79745 +0.40231905 -0.74122027
e 0.4485313 Incl. 9.06336 +0.25575072 -0.47257145
P 7.58
From 196 observations 2001 Feb. 1-2023 Dec. 17, mean residual 0".8.
226P/Pigott-LINEAR-Kowalski
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 27.23954 TT Rudenko
q 1.7737405 (2000.0) P Q
n 0.13482064 Peri. 341.07394 +0.74447812 -0.35958790
a 3.7667355 Node 54.01322 +0.66625530 +0.34576113
e 0.5291040 Incl. 44.04464 +0.04308377 +0.86668667
P 7.31
From 304 observations 2023 July 26-Dec. 28, mean residual 0".4.
Nongravitational parameters A1 = -1.20, A2 = +0.2392.
227P/Catalina-LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Mar. 8.20437 TT Rudenko
q 1.6237898 (2000.0) P Q
n 0.15466612 Peri. 105.54261 -0.78683959 -0.61217048
a 3.4372089 Node 36.81048 +0.50424314 -0.71083641
e 0.5275848 Incl. 7.50886 +0.35584029 -0.34635084
P 6.37
From 139 observations 2017 Jan. 22-2023 Dec. 25, mean residual 0".3.
237P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.69014 TT Rudenko
q 1.9870706 (2000.0) P Q
n 0.14986531 Peri. 25.26613 -0.00062718 +0.97546614
a 3.5102279 Node 245.35978 -0.95368748 -0.06680389
e 0.4339198 Incl. 14.01658 -0.30079859 +0.20976906
P 6.58
From 2261 observations 2002 June 18-2023 Dec. 15, mean residual 0".7.
244P/Scotti
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Nov. 17.91710 TT Rudenko
q 3.9206834 (2000.0) P Q
n 0.09091202 Peri. 93.18912 +0.04894032 -0.99879321
a 4.8984106 Node 354.00103 +0.90001488 +0.04588806
e 0.1996009 Incl. 2.25917 +0.43310283 +0.01750468
P 10.8
From 1808 observations 2000 Nov. 29-2023 Dec. 20, mean residual 0".7.
Nongravitational parameters A1 = +0.08, A2 = -0.0149.
246P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 Mar. 1.77696 TT Rudenko
q 2.8741860 (2000.0) P Q
n 0.12090293 Peri. 179.48770 -0.23757052 +0.93225886
a 4.0505268 Node 76.74852 -0.89220887 -0.09835187
e 0.2904168 Incl. 16.27967 -0.38408800 -0.34816711
P 8.15
From 4977 observations 2003 Mar. 7-2023 Dec. 13, mean residual 0".6.
Nongravitational parameters A1 = +1.26, A2 = +0.4428.
276P/Vorobjov
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 11.99300 TT Rudenko
q 3.8984348 (2000.0) P Q
n 0.08009011 Peri. 199.40803 +0.63847586 -0.75806825
a 5.3302812 Node 211.33998 +0.73561000 +0.65187439
e 0.2686249 Incl. 14.81244 +0.22633273 +0.01980692
P 12.3
From 356 observations 2000 Dec. 19-2023 Dec. 17, mean residual 0".5.
287P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 6.25876 TT Rudenko
q 3.0342736 (2000.0) P Q
n 0.11596352 Peri. 189.16480 +0.84574181 +0.50078744
a 4.1647454 Node 139.04133 -0.47003224 +0.86260329
e 0.2714384 Incl. 16.32070 -0.25256777 +0.07160660
P 8.50
From 369 observations 2006 Aug. 30-2023 Dec. 9, mean residual 0".9.
Nongravitational parameters A1 = -4.58, A2 = +0.2194.
291P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 4.04933 TT Rudenko
q 2.5652304 (2000.0) P Q
n 0.10204597 Peri. 173.50865 +0.62646193 -0.77390157
a 4.5352944 Node 237.65923 +0.71010012 +0.61578042
e 0.4343850 Incl. 6.30963 +0.32140826 +0.14795551
P 9.66
From 962 observations 2003 Sept. 4-2023 Dec. 13, mean residual 0".8.
310P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 23.71881 TT Rudenko
q 2.4166809 (2000.0) P Q
n 0.11497713 Peri. 31.62290 +0.76202901 -0.64658484
a 4.1885311 Node 8.92125 +0.53662563 +0.60013375
e 0.4230242 Incl. 13.12387 +0.36241512 +0.47092199
P 8.57
From 539 observations 2006 Aug. 29-2023 Dec. 28, mean residual 0".5.
349P/Lemmon
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 May 27.27721 TT Rudenko
q 2.5098444 (2000.0) P Q
n 0.14565815 Peri. 255.82778 -0.67239720 +0.73880511
a 3.5774989 Node 331.75680 -0.63686760 -0.60861919
e 0.2984360 Incl. 5.48910 -0.37720241 -0.28939539
P 6.77
From 133 observations 2010 Mar. 14-2023 Dec. 25, mean residual 0".6.
378P/McNaught
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2020 Oct. 14.18477 TT Rudenko
q 3.3660585 (2000.0) P Q
n 0.06219937 Peri. 193.50940 +0.28702957 +0.90061039
a 6.3087800 Node 93.93937 -0.84567604 +0.39826556
e 0.4664486 Incl. 19.09523 -0.44994007 -0.17402724
P 15.8
From 753 observations 2003 May 30-2023 Dec. 27, mean residual 0".6.
404P/Bressi
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Nov. 3.94894 TT Rudenko
q 4.1326791 (2000.0) P Q
n 0.09554018 Peri. 169.33965 +0.34945984 -0.92186190
a 4.7389122 Node 260.04373 +0.84663956 +0.38725700
e 0.1279266 Incl. 9.79000 +0.40134684 -0.01423552
P 10.3
From 456 observations 2011 Oct. 24-2023 Dec. 21, mean residual 1".1.
408P/Novichonok-Gerke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Oct. 5.41083 TT Rudenko
q 3.4679629 (2000.0) P Q
n 0.09543554 Peri. 226.52373 +0.56643262 -0.82231270
a 4.7423756 Node 189.44093 +0.81885901 +0.56903283
e 0.2687288 Incl. 19.35691 +0.09286547 -0.00186202
P 10.3
From 1515 observations 2011 Sept. 7-2023 Dec. 28, mean residual 0".6.
426P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Sept. 12.16496 TT Rudenko
q 2.6737872 (2000.0) P Q
n 0.17294465 Peri. 118.77233 +0.73381509 -0.60946565
a 3.1905432 Node 280.42877 +0.46654920 +0.77322447
e 0.1619649 Incl. 17.76735 +0.49380893 +0.17514432
P 5.70
From 90 observations 2019 Jan. 8-2023 Dec. 13, mean residual 0".4.
450P/LONEOS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2027 Jan. 16.90616 TT Rudenko
q 5.4917013 (2000.0) P Q
n 0.04377248 Peri. 21.19042 -0.82422749 -0.54593746
a 7.9738598 Node 124.83097 +0.48963529 -0.82048112
e 0.3112869 Incl. 10.55333 +0.28444038 -0.16959668
P 22.5
From 561 observations 2003 Oct. 25-2023 Dec. 15, mean residual 0".7.
465P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 9.89424 TT Rudenko
q 2.3297673 (2000.0) P Q
n 0.06640605 Peri. 141.23887 +0.96127369 +0.06121559
a 6.0394534 Node 218.01114 -0.07531891 +0.99625409
e 0.6142420 Incl. 25.87124 +0.26510367 +0.06107737
P 14.8
From 818 observations 2008 June 12-2023 Dec. 13, mean residual 0".9.
470P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 18.39987 TT Rudenko
q 2.7285862 (2000.0) P Q
n 0.10415456 Peri. 152.07646 +0.78001123 -0.60977677
a 4.4738750 Node 246.19388 +0.54170580 +0.77042121
e 0.3901068 Incl. 8.83691 +0.31326873 +0.18607376
P 9.46
From 178 observations 2014 Nov. 17-2023 Dec. 25, mean residual 0".4.
471P
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 20.29912 TT Rudenko
q 2.1233845 (2000.0) P Q
n 0.07232125 Peri. 94.95587 +0.94602454 -0.31374131
a 5.7054791 Node 283.34670 +0.25428588 +0.87400191
e 0.6278342 Incl. 4.79096 +0.20093847 +0.37106206
P 13.6
From 751 observations 1996 June 23-2023 Dec. 26, mean residual 0".8.
472P/NEAT-LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 July 17.56723 TT Rudenko
q 3.3863757 (2000.0) P Q
n 0.04540804 Peri. 219.29100 +0.42233808 -0.90265826
a 7.7812177 Node 206.04089 +0.87185742 +0.42949068
e 0.5648013 Incl. 10.85755 +0.24798222 +0.02730972
P 21.7
From 507 observations 2002 Sept. 15-2023 Dec. 16, mean residual 0".7.