Коррекция орбиты некоторых периодических комет от 28 октября ..
Добавлено: 29 окт 2025 09:09Коррекция орбиты некоторых периодических комет от 28 октября 2025 года, MPEC 2025-U263
Orbital elements:
2P/Encke
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 10.23977 TT Pike
q 0.3388872 (2000.0) P Q
n 0.29836571 Peri. 187.27950 -0.94610535 -0.31217824
a 2.2180438 Node 334.01694 +0.30616951 -0.77541154
e 0.8472135 Incl. 11.34655 +0.10556940 -0.54889132
P 3.30
From 3387 observations 2009 Aug. 15-2025 Oct. 25, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
3I/ATLAS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 29.48385 TT Pike
q 1.3563381 (2000.0) P Q
z -3.7886267 Peri. 128.01245 -0.96792291 -0.24575157
+/-0.0022110 Node 322.15754 -0.24883566 +0.90891028
e 6.1386589 Incl. 175.11310 -0.03472834 +0.33688019
From 4204 observations 2025 May 8-Oct. 8, mean residual 0".4.
12P/Pons-Brooks
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Apr. 21.16286 TT Pike
q 0.7813624 (2000.0) P Q
n 0.01375511 Peri. 199.01821 +0.14484906 -0.32948855
a 17.2514943 Node 255.85879 +0.98574050 +0.12966794
e 0.9547076 Incl. 74.18327 +0.08564126 -0.93521309
P 71.7
From 4400 observations 2023 Oct. 1-2025 June 7, mean residual 0".6.
Nongravitational parameters A1 = +0.60, A2 = -0.2270.
22P/Kopff
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 July 2.44228 TT Pike
q 1.4679305 (2000.0) P Q
n 0.15765884 Peri. 163.26381 +0.23009431 +0.97032425
a 3.3935727 Node 119.98462 -0.90240852 +0.24133921
e 0.5674380 Incl. 4.92405 -0.36430135 +0.01504120
P 6.25
From 4881 observations 2008 Jan. 30-2025 Oct. 1, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0395.
24P/Schaumasse
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 8.34259 TT Pike
q 1.1839374 (2000.0) P Q
n 0.12054349 Peri. 58.48277 -0.71166853 -0.67483977
a 4.0585746 Node 78.27227 +0.55777406 -0.71174447
e 0.7082874 Incl. 11.50211 +0.42710186 -0.19496433
P 8.18
From 963 observations 2000 Oct. 7-2025 Oct. 27, mean residual 0".7.
Nongravitational parameters A1 = +0.08, A2 = -0.0194.
29P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2019 Apr. 28.44916 TT Pike
q 5.7969233 (2000.0) P Q
n 0.06610600 Peri. 51.92095 +0.98942409 -0.08143271
a 6.0577143 Node 312.40184 +0.01177973 +0.86991758
e 0.0430511 Incl. 9.35523 +0.14457248 +0.48642792
P 14.9
From 16943 observations 2020 Jan. 1-2025 Oct. 28, mean residual 0".6.
Nongravitational parameters A1 = -1.52, A2 = +2.3511.
31P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Mar. 18.99860 TT Pike
q 3.4110766 (2000.0) P Q
n 0.11329196 Peri. 17.97405 -0.66937729 -0.73938616
a 4.2299638 Node 114.11346 +0.67151110 -0.64384609
e 0.1935920 Incl. 4.54975 +0.31781580 -0.19690181
P 8.70
From 1052 observations 2000 Nov. 24-2025 Oct. 19, mean residual 0".7.
Nongravitational parameters A1 = +0.07, A2 = -0.0057.
43P/Wolf-Harrington
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 4.57901 TT Pike
q 2.4427934 (2000.0) P Q
n 0.10933473 Peri. 223.78654 -0.29691216 -0.94372572
a 4.3314232 Node 243.97995 +0.91466491 -0.23724774
e 0.4360299 Incl. 9.32998 +0.27428319 -0.23042411
P 9.01
From 1168 observations 2023 Sept. 11-2025 Oct. 27, mean residual 0".5.
Nongravitational parameters A1 = -2.21, A2 = +1.4837.
47P/Ashbrook-Jackson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 28.00481 TT Pike
q 2.8074557 (2000.0) P Q
n 0.11800657 Peri. 357.91832 +0.99593418 +0.08924347
a 4.1165362 Node 356.88093 -0.07904761 +0.80041063
e 0.3180053 Incl. 13.03942 -0.04320394 +0.59277181
P 8.35
From 2132 observations 2012 Feb. 15-2025 Oct. 27, mean residual 0".7.
Nongravitational parameters A1 = -0.10, A2 = -0.0140.
48P/Johnson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 2.66210 TT Pike
q 2.0067865 (2000.0) P Q
n 0.15056983 Peri. 216.78758 +0.82454667 +0.52982003
a 3.4992696 Node 110.06370 -0.45560356 +0.82980125
e 0.4265127 Incl. 12.20178 -0.33548203 +0.17527298
P 6.55
From 1356 observations 2018 Feb. 16-2025 Oct. 28, mean residual 0".7.
Nongravitational parameters A1 = +0.51, A2 = +0.0548.
63P/Wild
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 6.16717 TT Pike
q 1.9745641 (2000.0) P Q
n 0.07325194 Peri. 168.73548 -0.97281410 -0.23121706
a 5.6570491 Node 357.76503 +0.17769514 -0.70898478
e 0.6509551 Incl. 19.61602 +0.14851657 -0.66624264
P 13.5
From 1978 observations 1960 Apr. 16-2025 Oct. 23, mean residual 0".6.
Nongravitational parameters A1 = +0.36, A2 = -0.1100.
65P/Gunn
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 June 16.36387 TT Pike
q 2.9261767 (2000.0) P Q
n 0.12838160 Peri. 213.65298 +0.09176758 +0.98578296
a 3.8916538 Node 61.97254 -0.87485863 +0.14732466
e 0.2480891 Incl. 9.17499 -0.47560603 -0.08079235
P 7.68
From 3212 observations 2013 Jan. 1-2025 Oct. 27, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.0220.
77P/Longmore
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Apr. 2.88808 TT Pike
q 2.3457425 (2000.0) P Q
n 0.14311531 Peri. 196.59749 -0.86050584 +0.49852866
a 3.6197507 Node 14.74777 -0.40795041 -0.55101341
e 0.3519602 Incl. 24.32931 -0.30513304 -0.66921850
P 6.89
From 2657 observations 1975 Aug. 11-2025 Oct. 19, mean residual 0".8.
Nongravitational parameters A1 = +0.11, A2 = -0.0488.
78P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 25.07284 TT Pike
q 2.0045850 (2000.0) P Q
n 0.13666030 Peri. 192.78046 +0.72871007 -0.68258487
a 3.7328551 Node 210.49710 +0.63751340 +0.70565233
e 0.4629888 Incl. 6.25722 +0.25011656 +0.19008598
P 7.21
From 2810 observations 2018 May 15-2025 Oct. 23, mean residual 0".6.
Nongravitational parameters A1 = -0.81, A2 = -0.1640.
93P/Lovas
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 May 2.93864 TT Pike
q 1.6884374 (2000.0) P Q
n 0.10778603 Peri. 75.03846 +0.57181946 -0.81704431
a 4.3728147 Node 339.54927 +0.64768435 +0.50489946
e 0.6138786 Incl. 12.21040 +0.50351514 +0.27841539
P 9.14
From 3501 observations 1980 Dec. 5-2025 Oct. 16, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.
123P/West-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 22.09686 TT Pike
q 2.1580282 (2000.0) P Q
n 0.12867524 Peri. 103.92963 -0.83970750 -0.50898743
a 3.8857310 Node 45.88011 +0.33765316 -0.76234867
e 0.4446275 Incl. 15.28672 +0.42530183 -0.39969526
P 7.66
From 3176 observations 2010 Sept. 12-2025 Oct. 26, mean residual 0".7.
Nongravitational parameters A1 = -0.67, A2 = +0.0127.
126P/IRAS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 July 4.86219 TT Pike
q 1.7108687 (2000.0) P Q
n 0.07386149 Peri. 356.55055 +0.99592342 +0.08611639
a 5.6258827 Node 357.85686 -0.05547823 +0.35014369
e 0.6958933 Incl. 45.87177 -0.07112461 +0.93272899
P 13.3
From 1599 observations 2009 May 27-2024 Feb. 15, mean residual 0".6.
Nongravitational parameters A1 = +0.01, A2 = +0.1869.
128P/Shoemaker-Holt
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 16.92837 TT Pike
q 3.0369651 (2000.0) P Q
n 0.10389891 Peri. 210.53920 +0.42588271 -0.90375786
a 4.4812111 Node 214.30700 +0.84476324 +0.41419011
e 0.3222892 Incl. 4.37147 +0.32403548 +0.10801987
P 9.49
From 1002 observations 1987 Sept. 24-2025 Oct. 20, mean residual 0".9.
131P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 15.69425 TT Pike
q 2.4078079 (2000.0) P Q
n 0.13995749 Peri. 179.26550 +0.83480516 -0.54583008
a 3.6739954 Node 214.13278 +0.50445995 +0.81068038
e 0.3446350 Incl. 7.36221 +0.22050056 +0.21181795
P 7.04
From 883 observations 1990 Sept. 15-2025 Oct. 25, mean residual 0".8.
Nongravitational parameters A1 = +0.73, A2 = -0.0426.
143P/Kowal-Mrkos
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Dec. 27.48851 TT Pike
q 2.9564158 (2000.0) P Q
n 0.09482653 Peri. 304.64400 -0.98972705 +0.11622809
a 4.7626590 Node 242.15930 -0.07944010 -0.93123031
e 0.3792510 Incl. 5.40259 -0.11886814 -0.34539997
P 10.4
From 221 observations 2020 July 28-2025 Oct. 27, mean residual 0".2.
145P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 31.93394 TT Pike
q 1.8897203 (2000.0) P Q
n 0.11745775 Peri. 10.41901 +0.79825275 -0.59584793
a 4.1293491 Node 26.76677 +0.53759786 +0.63886962
e 0.5423685 Incl. 11.27821 +0.27162676 +0.48663215
P 8.39
From 1118 observations 1991 Sept. 12-2025 Oct. 27, mean residual 0".6.
Nongravitational parameters A1 = +0.07, A2 = -0.0170.
164P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 27.37449 TT Pike
q 1.6748678 (2000.0) P Q
n 0.14119600 Peri. 325.93241 +0.56251715 -0.77787835
a 3.6524795 Node 88.26757 +0.80720978 +0.44341571
e 0.5414436 Incl. 16.27635 +0.17884860 +0.44529515
P 6.98
From 1247 observations 2010 Oct. 7-2025 Oct. 28, mean residual 0".7.
167P/CINEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2001 Mar. 20.42728 TT Pike
q 11.8943569 (2000.0) P Q
n 0.01505130 Peri. 344.33205 +0.19000994 +0.93670169
a 16.2462608 Node 295.84367 -0.86201871 +0.01579974
e 0.2678711 Incl. 19.07262 -0.46991486 +0.34977179
P 65.5
From 100 observations 2002 June 12-2011 Oct. 19, mean residual 0".4.
171P/Spahr
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 25.02472 TT Pike
q 1.7664010 (2000.0) P Q
n 0.14713440 Peri. 347.07095 +0.00566518 -0.93055126
a 3.5535293 Node 101.69395 +0.94752672 -0.11202938
e 0.5029164 Incl. 21.95498 +0.31962636 +0.34860259
P 6.70
From 650 observations 2005 Sept. 1-2025 Oct. 27, mean residual 0".7.
Nongravitational parameters A1 = +0.39, A2 = -0.1826.
188P/LINEAR-Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 13.31642 TT Pike
q 2.5460865 (2000.0) P Q
n 0.10811899 Peri. 26.84737 +0.90049223 -0.43485823
a 4.3638324 Node 358.91075 +0.35892547 +0.74771408
e 0.4165481 Incl. 10.52568 +0.24553257 +0.50181867
P 9.12
From 601 observations 2016 Apr. 14-2025 Oct. 16, mean residual 0".7.
190P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 24.13218 TT Pike
q 2.0179046 (2000.0) P Q
n 0.11324216 Peri. 50.54046 +0.89882966 -0.43801344
a 4.2312038 Node 335.42459 +0.38956637 +0.81488931
e 0.5230897 Incl. 2.17648 +0.20085638 +0.37960458
P 8.70
From 698 observations 1998 Sept. 14-2025 Mar. 1, mean residual 0".6.
195P/Hill
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 5.99997 TT Pike
q 4.4406090 (2000.0) P Q
n 0.06029776 Peri. 250.65376 -0.52714440 -0.66476131
a 6.4407329 Node 243.08973 +0.80912345 -0.58301101
e 0.3105429 Incl. 36.41504 -0.25968833 -0.46710872
P 16.3
From 945 observations 1993 Feb. 26-2025 Oct. 25, mean residual 0".6.
208P/McMillan
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Aug. 24.84883 TT Pike
q 2.5312614 (2000.0) P Q
n 0.12104818 Peri. 310.98819 +0.97412115 +0.22140404
a 4.0472858 Node 36.28773 -0.17735833 +0.87346825
e 0.3745780 Incl. 4.40702 -0.14011423 +0.43362825
P 8.14
From 279 observations 2016 July 29-2025 Feb. 2, mean residual 0".7.
210P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Nov. 22.72665 TT Pike
q 0.5244175 (2000.0) P Q
n 0.17541119 Peri. 345.94951 +0.17411212 -0.96846924
a 3.1605635 Node 93.79684 +0.91983820 +0.09535370
e 0.8340747 Incl. 10.28728 +0.35154326 +0.23016299
P 5.62
From 697 observations 2008 Dec. 8-2025 Oct. 17, mean residual 0".7.
Nongravitational parameters A1 = -0.02, A2 = +0.0043.
217P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 24.96392 TT Pike
q 1.2263053 (2000.0) P Q
n 0.12570630 Peri. 247.04395 +0.95777301 -0.22292745
a 3.9466749 Node 125.36815 +0.26649004 +0.92538475
e 0.6892814 Incl. 12.86676 -0.10795327 +0.30653941
P 7.84
From 3431 observations 2001 June 21-2025 Oct. 25, mean residual 0".6.
Nongravitational parameters A1 = +0.16, A2 = +0.0032.
228P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Sept. 5.16289 TT Pike
q 3.4220390 (2000.0) P Q
n 0.11611292 Peri. 114.85915 -0.82272890 -0.56400284
a 4.1611722 Node 30.95063 +0.45905562 -0.73273460
e 0.1776262 Incl. 7.91685 +0.33523886 -0.38078970
P 8.49
From 439 observations 2001 Dec. 9-2025 Oct. 21, mean residual 0".7.
Nongravitational parameters A1 = +0.04, A2 = -0.0064.
235P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 22.67348 TT Pike
q 1.9779429 (2000.0) P Q
n 0.15410222 Peri. 352.19507 -0.97611928 +0.20913548
a 3.4455889 Node 200.16964 -0.18896824 -0.95088403
e 0.4259492 Incl. 9.81317 -0.10715481 -0.22821460
P 6.40
From 50 observations 2024 Nov. 21-2025 Oct. 17, mean residual 0".5.
240P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.94918 TT Pike
q 2.1216397 (2000.0) P Q
n 0.12991348 Peri. 352.07783 +0.37983352 -0.84086987
a 3.8610009 Node 74.91135 +0.86911120 +0.18163655
e 0.4504949 Incl. 23.53678 +0.31681575 +0.50984902
P 7.59
From 787 observations 2020 Mar. 23-2025 Oct. 28, mean residual 0".6.
Nongravitational parameters A1 = -0.26, A2 = +0.5529.
240P/NEAT B
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.99578 TT Pike
q 2.1214848 (2000.0) P Q
n 0.12999706 Peri. 352.07821 +0.37984020 -0.84088283
a 3.8593459 Node 74.91072 +0.86910614 +0.18165670
e 0.4502994 Incl. 23.53460 +0.31682162 +0.50982047
P 7.58
From 98 observations 2025 Aug. 30-Oct. 27, mean residual 1".1.
242P/Spahr
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 23.54507 TT Pike
q 3.9719294 (2000.0) P Q
n 0.07562022 Peri. 245.05364 +0.41925543 -0.90786661
a 5.5383120 Node 180.18805 +0.89683363 +0.41385747
e 0.2828267 Incl. 32.42826 -0.14111815 -0.06708359
P 13.0
From 1095 observations 2011 July 20-2025 Oct. 28, mean residual 0".7.
248P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 14.94650 TT Pike
q 2.1577243 (2000.0) P Q
n 0.06727949 Peri. 209.99948 +0.53444242 -0.84362969
a 5.9870687 Node 207.79135 +0.79579912 +0.52282219
e 0.6396025 Incl. 6.35113 +0.28473681 +0.12225346
P 14.6
From 198 observations 1996 Sept. 14-2025 Oct. 16, mean residual 0".7.
253P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Oct. 20.99293 TT Pike
q 2.0244361 (2000.0) P Q
n 0.15286229 Peri. 230.79600 +0.95163881 -0.30356466
a 3.4641961 Node 146.79824 +0.30170675 +0.89444646
e 0.4156116 Incl. 4.94950 +0.05793620 +0.32835045
P 6.45
From 935 observations 1998 Sept. 14-2025 Feb. 3, mean residual 0".6.
Nongravitational parameters A1 = -0.08, A2 = -0.0059.
261P/Larson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 27.41277 TT Pike
q 2.0141963 (2000.0) P Q
n 0.15124303 Peri. 67.36660 +0.99478347 +0.02560971
a 3.4888782 Node 291.05037 -0.06589795 +0.90022399
e 0.4226808 Incl. 6.07342 +0.07786721 +0.43467333
P 6.52
From 1199 observations 2005 July 3-2025 Oct. 24, mean residual 0".8.
Nongravitational parameters A1 = +0.37, A2 = +0.0857.
276P/Vorobjov
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 11.96740 TT Pike
q 3.8985057 (2000.0) P Q
n 0.07893173 Peri. 199.65519 +0.63883300 -0.75805846
a 5.3823052 Node 211.06413 +0.73552459 +0.65183479
e 0.2756810 Incl. 14.74156 +0.22560137 +0.02141939
P 12.5
From 1179 observations 2000 Dec. 19-2025 Oct. 25, mean residual 0".6.
287P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 July 13.48585 TT Pike
q 3.0586233 (2000.0) P Q
n 0.11440956 Peri. 191.46164 +0.85940133 +0.47563926
a 4.2023721 Node 138.39567 -0.44393965 +0.87617122
e 0.2721674 Incl. 16.41240 -0.25366697 +0.07804671
P 8.61
From 207 observations 2013 June 1-2024 Dec. 26, mean residual 0".9.
Nongravitational parameters A1 = +0.68, A2 = +0.0293.
302P/Lemmon-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 9.29289 TT Pike
q 3.2886001 (2000.0) P Q
n 0.11185756 Peri. 208.60749 +0.86658651 +0.49094561
a 4.2660488 Node 121.71712 -0.43548603 +0.83152090
e 0.2291227 Incl. 6.03566 -0.24367960 +0.25989499
P 8.81
From 817 observations 2007 Aug. 16-2025 Oct. 27, mean residual 0".6.
306P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 1.64706 TT Pike
q 1.2729834 (2000.0) P Q
n 0.17850235 Peri. 0.91452 +0.95236008 +0.30145633
a 3.1239693 Node 341.33882 -0.28071858 +0.80728921
e 0.5925109 Incl. 8.30170 -0.11919464 +0.50735414
P 5.52
From 381 observations 2003 July 30-2025 Oct. 24, mean residual 0".9.
315P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Nov. 16.46719 TT Pike
q 2.3577816 (2000.0) P Q
n 0.08990468 Peri. 65.95862 -0.66152173 -0.69419651
a 4.9349320 Node 68.62475 +0.52827260 -0.69986776
e 0.5222261 Incl. 17.73686 +0.53227537 -0.16815566
P 11.0
From 2384 observations 2004 Nov. 3-2025 Oct. 19, mean residual 0".7.
331P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 25.34826 TT Pike
q 2.8783955 (2000.0) P Q
n 0.18941774 Peri. 185.75457 +0.73818496 -0.66696223
a 3.0027715 Node 216.74179 +0.62548438 +0.73289443
e 0.0414204 Incl. 9.74104 +0.25269006 +0.13426516
P 5.20
From 188 observations 2004 Aug. 26-2025 Oct. 22, mean residual 0".8.
351P/Wiegert-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 26.05226 TT Pike
q 3.1316747 (2000.0) P Q
n 0.10535364 Peri. 352.54102 +0.10634998 +0.97076827
a 4.4398643 Node 283.38373 -0.90047719 +0.00225423
e 0.2946463 Incl. 12.77823 -0.42169955 +0.24000808
P 9.36
From 296 observations 1998 Oct. 18-2025 Oct. 24, mean residual 0".6.
441P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 9.30001 TT Pike
q 3.3279149 (2000.0) P Q
n 0.11737551 Peri. 178.85215 +0.79271146 +0.60901358
a 4.1312776 Node 143.58635 -0.55965166 +0.74440663
e 0.1944586 Incl. 2.57454 -0.24165792 +0.27379049
P 8.40
From 197 observations 2009 Sept. 25-2025 Oct. 14, mean residual 0".5.
450P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 20.87414 TT Pike
q 5.4135621 (2000.0) P Q
n 0.04457667 Peri. 25.65146 -0.85614179 -0.49259371
a 7.8776671 Node 123.95367 +0.43576156 -0.85061408
e 0.3127963 Incl. 10.84829 +0.27772847 -0.18386716
P 22.1
From 621 observations 2003 Oct. 25-2025 Oct. 26, mean residual 0".7.
486P/Leonard
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Apr. 3.81490 TT Pike
q 2.3089449 (2000.0) P Q
n 0.14268639 Peri. 93.93558 +0.68102572 +0.73185694
a 3.6270011 Node 219.02482 -0.68620808 +0.62627370
e 0.3634011 Incl. 2.20967 -0.25558255 +0.26863855
P 6.91
From 650 observations 2018 June 8-2025 Oct. 27, mean residual 0".7.
491P/Spacewatch-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Sept. 5.78698 TT Pike
q 3.7159999 (2000.0) P Q
n 0.08781944 Peri. 298.84527 -0.32461223 +0.93800431
a 5.0127451 Node 311.68342 -0.80117563 -0.34098757
e 0.2586896 Incl. 9.36694 -0.50273702 -0.06225270
P 11.2
From 455 observations 2013 May 4-2025 Oct. 16, mean residual 0".5.
493P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 14.09741 TT Pike
q 3.8229663 (2000.0) P Q
n 0.05128065 Peri. 83.22291 +0.10076849 -0.99487965
a 7.1751946 Node 1.08840 +0.67216785 +0.06232829
e 0.4671968 Incl. 24.10830 +0.73350944 +0.07955923
P 19.2
From 430 observations 2024 Aug. 2-2025 Oct. 25, mean residual 0".5.
509P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 19.82126 TT Pike
q 3.6928863 (2000.0) P Q
n 0.05278087 Peri. 180.10066 -0.09250276 -0.98450303
a 7.0385792 Node 275.20807 +0.91365281 -0.02444134
e 0.4753364 Incl. 8.60400 +0.39583049 -0.17365602
P 18.7
From 346 observations 2006 Oct. 19-2025 Oct. 18, mean residual 0".7.
511P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 July 11.03392 TT Pike
q 2.2959979 (2000.0) P Q
n 0.18872611 Peri. 81.22558 +0.95815484 +0.12974781
a 3.0101032 Node 271.02748 -0.22453674 +0.89354014
e 0.2372361 Incl. 14.78529 +0.17754595 +0.42982731
P 5.22
From 74 observations 2015 Dec. 12-2025 Oct. 18, mean residual 0".4.
513P/Broughton
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 June 13.77522 TT Pike
q 3.2536460 (2000.0) P Q
n 0.05043363 Peri. 304.86749 +0.95209406 +0.00047798
a 7.2553083 Node 56.99682 +0.17708692 +0.81440525
e 0.5515496 Incl. 21.38566 -0.24931331 +0.58029635
P 19.5
From 154 observations 2005 Aug. 26-2025 Oct. 27, mean residual 0".7.
Orbital elements:
2P/Encke
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 10.23977 TT Pike
q 0.3388872 (2000.0) P Q
n 0.29836571 Peri. 187.27950 -0.94610535 -0.31217824
a 2.2180438 Node 334.01694 +0.30616951 -0.77541154
e 0.8472135 Incl. 11.34655 +0.10556940 -0.54889132
P 3.30
From 3387 observations 2009 Aug. 15-2025 Oct. 25, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
3I/ATLAS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 29.48385 TT Pike
q 1.3563381 (2000.0) P Q
z -3.7886267 Peri. 128.01245 -0.96792291 -0.24575157
+/-0.0022110 Node 322.15754 -0.24883566 +0.90891028
e 6.1386589 Incl. 175.11310 -0.03472834 +0.33688019
From 4204 observations 2025 May 8-Oct. 8, mean residual 0".4.
12P/Pons-Brooks
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Apr. 21.16286 TT Pike
q 0.7813624 (2000.0) P Q
n 0.01375511 Peri. 199.01821 +0.14484906 -0.32948855
a 17.2514943 Node 255.85879 +0.98574050 +0.12966794
e 0.9547076 Incl. 74.18327 +0.08564126 -0.93521309
P 71.7
From 4400 observations 2023 Oct. 1-2025 June 7, mean residual 0".6.
Nongravitational parameters A1 = +0.60, A2 = -0.2270.
22P/Kopff
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 July 2.44228 TT Pike
q 1.4679305 (2000.0) P Q
n 0.15765884 Peri. 163.26381 +0.23009431 +0.97032425
a 3.3935727 Node 119.98462 -0.90240852 +0.24133921
e 0.5674380 Incl. 4.92405 -0.36430135 +0.01504120
P 6.25
From 4881 observations 2008 Jan. 30-2025 Oct. 1, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0395.
24P/Schaumasse
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 8.34259 TT Pike
q 1.1839374 (2000.0) P Q
n 0.12054349 Peri. 58.48277 -0.71166853 -0.67483977
a 4.0585746 Node 78.27227 +0.55777406 -0.71174447
e 0.7082874 Incl. 11.50211 +0.42710186 -0.19496433
P 8.18
From 963 observations 2000 Oct. 7-2025 Oct. 27, mean residual 0".7.
Nongravitational parameters A1 = +0.08, A2 = -0.0194.
29P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2019 Apr. 28.44916 TT Pike
q 5.7969233 (2000.0) P Q
n 0.06610600 Peri. 51.92095 +0.98942409 -0.08143271
a 6.0577143 Node 312.40184 +0.01177973 +0.86991758
e 0.0430511 Incl. 9.35523 +0.14457248 +0.48642792
P 14.9
From 16943 observations 2020 Jan. 1-2025 Oct. 28, mean residual 0".6.
Nongravitational parameters A1 = -1.52, A2 = +2.3511.
31P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Mar. 18.99860 TT Pike
q 3.4110766 (2000.0) P Q
n 0.11329196 Peri. 17.97405 -0.66937729 -0.73938616
a 4.2299638 Node 114.11346 +0.67151110 -0.64384609
e 0.1935920 Incl. 4.54975 +0.31781580 -0.19690181
P 8.70
From 1052 observations 2000 Nov. 24-2025 Oct. 19, mean residual 0".7.
Nongravitational parameters A1 = +0.07, A2 = -0.0057.
43P/Wolf-Harrington
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 4.57901 TT Pike
q 2.4427934 (2000.0) P Q
n 0.10933473 Peri. 223.78654 -0.29691216 -0.94372572
a 4.3314232 Node 243.97995 +0.91466491 -0.23724774
e 0.4360299 Incl. 9.32998 +0.27428319 -0.23042411
P 9.01
From 1168 observations 2023 Sept. 11-2025 Oct. 27, mean residual 0".5.
Nongravitational parameters A1 = -2.21, A2 = +1.4837.
47P/Ashbrook-Jackson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 28.00481 TT Pike
q 2.8074557 (2000.0) P Q
n 0.11800657 Peri. 357.91832 +0.99593418 +0.08924347
a 4.1165362 Node 356.88093 -0.07904761 +0.80041063
e 0.3180053 Incl. 13.03942 -0.04320394 +0.59277181
P 8.35
From 2132 observations 2012 Feb. 15-2025 Oct. 27, mean residual 0".7.
Nongravitational parameters A1 = -0.10, A2 = -0.0140.
48P/Johnson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 2.66210 TT Pike
q 2.0067865 (2000.0) P Q
n 0.15056983 Peri. 216.78758 +0.82454667 +0.52982003
a 3.4992696 Node 110.06370 -0.45560356 +0.82980125
e 0.4265127 Incl. 12.20178 -0.33548203 +0.17527298
P 6.55
From 1356 observations 2018 Feb. 16-2025 Oct. 28, mean residual 0".7.
Nongravitational parameters A1 = +0.51, A2 = +0.0548.
63P/Wild
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 6.16717 TT Pike
q 1.9745641 (2000.0) P Q
n 0.07325194 Peri. 168.73548 -0.97281410 -0.23121706
a 5.6570491 Node 357.76503 +0.17769514 -0.70898478
e 0.6509551 Incl. 19.61602 +0.14851657 -0.66624264
P 13.5
From 1978 observations 1960 Apr. 16-2025 Oct. 23, mean residual 0".6.
Nongravitational parameters A1 = +0.36, A2 = -0.1100.
65P/Gunn
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 June 16.36387 TT Pike
q 2.9261767 (2000.0) P Q
n 0.12838160 Peri. 213.65298 +0.09176758 +0.98578296
a 3.8916538 Node 61.97254 -0.87485863 +0.14732466
e 0.2480891 Incl. 9.17499 -0.47560603 -0.08079235
P 7.68
From 3212 observations 2013 Jan. 1-2025 Oct. 27, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.0220.
77P/Longmore
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Apr. 2.88808 TT Pike
q 2.3457425 (2000.0) P Q
n 0.14311531 Peri. 196.59749 -0.86050584 +0.49852866
a 3.6197507 Node 14.74777 -0.40795041 -0.55101341
e 0.3519602 Incl. 24.32931 -0.30513304 -0.66921850
P 6.89
From 2657 observations 1975 Aug. 11-2025 Oct. 19, mean residual 0".8.
Nongravitational parameters A1 = +0.11, A2 = -0.0488.
78P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 25.07284 TT Pike
q 2.0045850 (2000.0) P Q
n 0.13666030 Peri. 192.78046 +0.72871007 -0.68258487
a 3.7328551 Node 210.49710 +0.63751340 +0.70565233
e 0.4629888 Incl. 6.25722 +0.25011656 +0.19008598
P 7.21
From 2810 observations 2018 May 15-2025 Oct. 23, mean residual 0".6.
Nongravitational parameters A1 = -0.81, A2 = -0.1640.
93P/Lovas
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 May 2.93864 TT Pike
q 1.6884374 (2000.0) P Q
n 0.10778603 Peri. 75.03846 +0.57181946 -0.81704431
a 4.3728147 Node 339.54927 +0.64768435 +0.50489946
e 0.6138786 Incl. 12.21040 +0.50351514 +0.27841539
P 9.14
From 3501 observations 1980 Dec. 5-2025 Oct. 16, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.
123P/West-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 22.09686 TT Pike
q 2.1580282 (2000.0) P Q
n 0.12867524 Peri. 103.92963 -0.83970750 -0.50898743
a 3.8857310 Node 45.88011 +0.33765316 -0.76234867
e 0.4446275 Incl. 15.28672 +0.42530183 -0.39969526
P 7.66
From 3176 observations 2010 Sept. 12-2025 Oct. 26, mean residual 0".7.
Nongravitational parameters A1 = -0.67, A2 = +0.0127.
126P/IRAS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 July 4.86219 TT Pike
q 1.7108687 (2000.0) P Q
n 0.07386149 Peri. 356.55055 +0.99592342 +0.08611639
a 5.6258827 Node 357.85686 -0.05547823 +0.35014369
e 0.6958933 Incl. 45.87177 -0.07112461 +0.93272899
P 13.3
From 1599 observations 2009 May 27-2024 Feb. 15, mean residual 0".6.
Nongravitational parameters A1 = +0.01, A2 = +0.1869.
128P/Shoemaker-Holt
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 16.92837 TT Pike
q 3.0369651 (2000.0) P Q
n 0.10389891 Peri. 210.53920 +0.42588271 -0.90375786
a 4.4812111 Node 214.30700 +0.84476324 +0.41419011
e 0.3222892 Incl. 4.37147 +0.32403548 +0.10801987
P 9.49
From 1002 observations 1987 Sept. 24-2025 Oct. 20, mean residual 0".9.
131P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 15.69425 TT Pike
q 2.4078079 (2000.0) P Q
n 0.13995749 Peri. 179.26550 +0.83480516 -0.54583008
a 3.6739954 Node 214.13278 +0.50445995 +0.81068038
e 0.3446350 Incl. 7.36221 +0.22050056 +0.21181795
P 7.04
From 883 observations 1990 Sept. 15-2025 Oct. 25, mean residual 0".8.
Nongravitational parameters A1 = +0.73, A2 = -0.0426.
143P/Kowal-Mrkos
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Dec. 27.48851 TT Pike
q 2.9564158 (2000.0) P Q
n 0.09482653 Peri. 304.64400 -0.98972705 +0.11622809
a 4.7626590 Node 242.15930 -0.07944010 -0.93123031
e 0.3792510 Incl. 5.40259 -0.11886814 -0.34539997
P 10.4
From 221 observations 2020 July 28-2025 Oct. 27, mean residual 0".2.
145P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 31.93394 TT Pike
q 1.8897203 (2000.0) P Q
n 0.11745775 Peri. 10.41901 +0.79825275 -0.59584793
a 4.1293491 Node 26.76677 +0.53759786 +0.63886962
e 0.5423685 Incl. 11.27821 +0.27162676 +0.48663215
P 8.39
From 1118 observations 1991 Sept. 12-2025 Oct. 27, mean residual 0".6.
Nongravitational parameters A1 = +0.07, A2 = -0.0170.
164P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 27.37449 TT Pike
q 1.6748678 (2000.0) P Q
n 0.14119600 Peri. 325.93241 +0.56251715 -0.77787835
a 3.6524795 Node 88.26757 +0.80720978 +0.44341571
e 0.5414436 Incl. 16.27635 +0.17884860 +0.44529515
P 6.98
From 1247 observations 2010 Oct. 7-2025 Oct. 28, mean residual 0".7.
167P/CINEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2001 Mar. 20.42728 TT Pike
q 11.8943569 (2000.0) P Q
n 0.01505130 Peri. 344.33205 +0.19000994 +0.93670169
a 16.2462608 Node 295.84367 -0.86201871 +0.01579974
e 0.2678711 Incl. 19.07262 -0.46991486 +0.34977179
P 65.5
From 100 observations 2002 June 12-2011 Oct. 19, mean residual 0".4.
171P/Spahr
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 25.02472 TT Pike
q 1.7664010 (2000.0) P Q
n 0.14713440 Peri. 347.07095 +0.00566518 -0.93055126
a 3.5535293 Node 101.69395 +0.94752672 -0.11202938
e 0.5029164 Incl. 21.95498 +0.31962636 +0.34860259
P 6.70
From 650 observations 2005 Sept. 1-2025 Oct. 27, mean residual 0".7.
Nongravitational parameters A1 = +0.39, A2 = -0.1826.
188P/LINEAR-Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 13.31642 TT Pike
q 2.5460865 (2000.0) P Q
n 0.10811899 Peri. 26.84737 +0.90049223 -0.43485823
a 4.3638324 Node 358.91075 +0.35892547 +0.74771408
e 0.4165481 Incl. 10.52568 +0.24553257 +0.50181867
P 9.12
From 601 observations 2016 Apr. 14-2025 Oct. 16, mean residual 0".7.
190P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 24.13218 TT Pike
q 2.0179046 (2000.0) P Q
n 0.11324216 Peri. 50.54046 +0.89882966 -0.43801344
a 4.2312038 Node 335.42459 +0.38956637 +0.81488931
e 0.5230897 Incl. 2.17648 +0.20085638 +0.37960458
P 8.70
From 698 observations 1998 Sept. 14-2025 Mar. 1, mean residual 0".6.
195P/Hill
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 5.99997 TT Pike
q 4.4406090 (2000.0) P Q
n 0.06029776 Peri. 250.65376 -0.52714440 -0.66476131
a 6.4407329 Node 243.08973 +0.80912345 -0.58301101
e 0.3105429 Incl. 36.41504 -0.25968833 -0.46710872
P 16.3
From 945 observations 1993 Feb. 26-2025 Oct. 25, mean residual 0".6.
208P/McMillan
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Aug. 24.84883 TT Pike
q 2.5312614 (2000.0) P Q
n 0.12104818 Peri. 310.98819 +0.97412115 +0.22140404
a 4.0472858 Node 36.28773 -0.17735833 +0.87346825
e 0.3745780 Incl. 4.40702 -0.14011423 +0.43362825
P 8.14
From 279 observations 2016 July 29-2025 Feb. 2, mean residual 0".7.
210P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Nov. 22.72665 TT Pike
q 0.5244175 (2000.0) P Q
n 0.17541119 Peri. 345.94951 +0.17411212 -0.96846924
a 3.1605635 Node 93.79684 +0.91983820 +0.09535370
e 0.8340747 Incl. 10.28728 +0.35154326 +0.23016299
P 5.62
From 697 observations 2008 Dec. 8-2025 Oct. 17, mean residual 0".7.
Nongravitational parameters A1 = -0.02, A2 = +0.0043.
217P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 24.96392 TT Pike
q 1.2263053 (2000.0) P Q
n 0.12570630 Peri. 247.04395 +0.95777301 -0.22292745
a 3.9466749 Node 125.36815 +0.26649004 +0.92538475
e 0.6892814 Incl. 12.86676 -0.10795327 +0.30653941
P 7.84
From 3431 observations 2001 June 21-2025 Oct. 25, mean residual 0".6.
Nongravitational parameters A1 = +0.16, A2 = +0.0032.
228P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Sept. 5.16289 TT Pike
q 3.4220390 (2000.0) P Q
n 0.11611292 Peri. 114.85915 -0.82272890 -0.56400284
a 4.1611722 Node 30.95063 +0.45905562 -0.73273460
e 0.1776262 Incl. 7.91685 +0.33523886 -0.38078970
P 8.49
From 439 observations 2001 Dec. 9-2025 Oct. 21, mean residual 0".7.
Nongravitational parameters A1 = +0.04, A2 = -0.0064.
235P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 22.67348 TT Pike
q 1.9779429 (2000.0) P Q
n 0.15410222 Peri. 352.19507 -0.97611928 +0.20913548
a 3.4455889 Node 200.16964 -0.18896824 -0.95088403
e 0.4259492 Incl. 9.81317 -0.10715481 -0.22821460
P 6.40
From 50 observations 2024 Nov. 21-2025 Oct. 17, mean residual 0".5.
240P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.94918 TT Pike
q 2.1216397 (2000.0) P Q
n 0.12991348 Peri. 352.07783 +0.37983352 -0.84086987
a 3.8610009 Node 74.91135 +0.86911120 +0.18163655
e 0.4504949 Incl. 23.53678 +0.31681575 +0.50984902
P 7.59
From 787 observations 2020 Mar. 23-2025 Oct. 28, mean residual 0".6.
Nongravitational parameters A1 = -0.26, A2 = +0.5529.
240P/NEAT B
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.99578 TT Pike
q 2.1214848 (2000.0) P Q
n 0.12999706 Peri. 352.07821 +0.37984020 -0.84088283
a 3.8593459 Node 74.91072 +0.86910614 +0.18165670
e 0.4502994 Incl. 23.53460 +0.31682162 +0.50982047
P 7.58
From 98 observations 2025 Aug. 30-Oct. 27, mean residual 1".1.
242P/Spahr
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 23.54507 TT Pike
q 3.9719294 (2000.0) P Q
n 0.07562022 Peri. 245.05364 +0.41925543 -0.90786661
a 5.5383120 Node 180.18805 +0.89683363 +0.41385747
e 0.2828267 Incl. 32.42826 -0.14111815 -0.06708359
P 13.0
From 1095 observations 2011 July 20-2025 Oct. 28, mean residual 0".7.
248P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 14.94650 TT Pike
q 2.1577243 (2000.0) P Q
n 0.06727949 Peri. 209.99948 +0.53444242 -0.84362969
a 5.9870687 Node 207.79135 +0.79579912 +0.52282219
e 0.6396025 Incl. 6.35113 +0.28473681 +0.12225346
P 14.6
From 198 observations 1996 Sept. 14-2025 Oct. 16, mean residual 0".7.
253P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Oct. 20.99293 TT Pike
q 2.0244361 (2000.0) P Q
n 0.15286229 Peri. 230.79600 +0.95163881 -0.30356466
a 3.4641961 Node 146.79824 +0.30170675 +0.89444646
e 0.4156116 Incl. 4.94950 +0.05793620 +0.32835045
P 6.45
From 935 observations 1998 Sept. 14-2025 Feb. 3, mean residual 0".6.
Nongravitational parameters A1 = -0.08, A2 = -0.0059.
261P/Larson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 27.41277 TT Pike
q 2.0141963 (2000.0) P Q
n 0.15124303 Peri. 67.36660 +0.99478347 +0.02560971
a 3.4888782 Node 291.05037 -0.06589795 +0.90022399
e 0.4226808 Incl. 6.07342 +0.07786721 +0.43467333
P 6.52
From 1199 observations 2005 July 3-2025 Oct. 24, mean residual 0".8.
Nongravitational parameters A1 = +0.37, A2 = +0.0857.
276P/Vorobjov
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 11.96740 TT Pike
q 3.8985057 (2000.0) P Q
n 0.07893173 Peri. 199.65519 +0.63883300 -0.75805846
a 5.3823052 Node 211.06413 +0.73552459 +0.65183479
e 0.2756810 Incl. 14.74156 +0.22560137 +0.02141939
P 12.5
From 1179 observations 2000 Dec. 19-2025 Oct. 25, mean residual 0".6.
287P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 July 13.48585 TT Pike
q 3.0586233 (2000.0) P Q
n 0.11440956 Peri. 191.46164 +0.85940133 +0.47563926
a 4.2023721 Node 138.39567 -0.44393965 +0.87617122
e 0.2721674 Incl. 16.41240 -0.25366697 +0.07804671
P 8.61
From 207 observations 2013 June 1-2024 Dec. 26, mean residual 0".9.
Nongravitational parameters A1 = +0.68, A2 = +0.0293.
302P/Lemmon-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 9.29289 TT Pike
q 3.2886001 (2000.0) P Q
n 0.11185756 Peri. 208.60749 +0.86658651 +0.49094561
a 4.2660488 Node 121.71712 -0.43548603 +0.83152090
e 0.2291227 Incl. 6.03566 -0.24367960 +0.25989499
P 8.81
From 817 observations 2007 Aug. 16-2025 Oct. 27, mean residual 0".6.
306P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 1.64706 TT Pike
q 1.2729834 (2000.0) P Q
n 0.17850235 Peri. 0.91452 +0.95236008 +0.30145633
a 3.1239693 Node 341.33882 -0.28071858 +0.80728921
e 0.5925109 Incl. 8.30170 -0.11919464 +0.50735414
P 5.52
From 381 observations 2003 July 30-2025 Oct. 24, mean residual 0".9.
315P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Nov. 16.46719 TT Pike
q 2.3577816 (2000.0) P Q
n 0.08990468 Peri. 65.95862 -0.66152173 -0.69419651
a 4.9349320 Node 68.62475 +0.52827260 -0.69986776
e 0.5222261 Incl. 17.73686 +0.53227537 -0.16815566
P 11.0
From 2384 observations 2004 Nov. 3-2025 Oct. 19, mean residual 0".7.
331P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 25.34826 TT Pike
q 2.8783955 (2000.0) P Q
n 0.18941774 Peri. 185.75457 +0.73818496 -0.66696223
a 3.0027715 Node 216.74179 +0.62548438 +0.73289443
e 0.0414204 Incl. 9.74104 +0.25269006 +0.13426516
P 5.20
From 188 observations 2004 Aug. 26-2025 Oct. 22, mean residual 0".8.
351P/Wiegert-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 26.05226 TT Pike
q 3.1316747 (2000.0) P Q
n 0.10535364 Peri. 352.54102 +0.10634998 +0.97076827
a 4.4398643 Node 283.38373 -0.90047719 +0.00225423
e 0.2946463 Incl. 12.77823 -0.42169955 +0.24000808
P 9.36
From 296 observations 1998 Oct. 18-2025 Oct. 24, mean residual 0".6.
441P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 9.30001 TT Pike
q 3.3279149 (2000.0) P Q
n 0.11737551 Peri. 178.85215 +0.79271146 +0.60901358
a 4.1312776 Node 143.58635 -0.55965166 +0.74440663
e 0.1944586 Incl. 2.57454 -0.24165792 +0.27379049
P 8.40
From 197 observations 2009 Sept. 25-2025 Oct. 14, mean residual 0".5.
450P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 20.87414 TT Pike
q 5.4135621 (2000.0) P Q
n 0.04457667 Peri. 25.65146 -0.85614179 -0.49259371
a 7.8776671 Node 123.95367 +0.43576156 -0.85061408
e 0.3127963 Incl. 10.84829 +0.27772847 -0.18386716
P 22.1
From 621 observations 2003 Oct. 25-2025 Oct. 26, mean residual 0".7.
486P/Leonard
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Apr. 3.81490 TT Pike
q 2.3089449 (2000.0) P Q
n 0.14268639 Peri. 93.93558 +0.68102572 +0.73185694
a 3.6270011 Node 219.02482 -0.68620808 +0.62627370
e 0.3634011 Incl. 2.20967 -0.25558255 +0.26863855
P 6.91
From 650 observations 2018 June 8-2025 Oct. 27, mean residual 0".7.
491P/Spacewatch-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Sept. 5.78698 TT Pike
q 3.7159999 (2000.0) P Q
n 0.08781944 Peri. 298.84527 -0.32461223 +0.93800431
a 5.0127451 Node 311.68342 -0.80117563 -0.34098757
e 0.2586896 Incl. 9.36694 -0.50273702 -0.06225270
P 11.2
From 455 observations 2013 May 4-2025 Oct. 16, mean residual 0".5.
493P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 14.09741 TT Pike
q 3.8229663 (2000.0) P Q
n 0.05128065 Peri. 83.22291 +0.10076849 -0.99487965
a 7.1751946 Node 1.08840 +0.67216785 +0.06232829
e 0.4671968 Incl. 24.10830 +0.73350944 +0.07955923
P 19.2
From 430 observations 2024 Aug. 2-2025 Oct. 25, mean residual 0".5.
509P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 19.82126 TT Pike
q 3.6928863 (2000.0) P Q
n 0.05278087 Peri. 180.10066 -0.09250276 -0.98450303
a 7.0385792 Node 275.20807 +0.91365281 -0.02444134
e 0.4753364 Incl. 8.60400 +0.39583049 -0.17365602
P 18.7
From 346 observations 2006 Oct. 19-2025 Oct. 18, mean residual 0".7.
511P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 July 11.03392 TT Pike
q 2.2959979 (2000.0) P Q
n 0.18872611 Peri. 81.22558 +0.95815484 +0.12974781
a 3.0101032 Node 271.02748 -0.22453674 +0.89354014
e 0.2372361 Incl. 14.78529 +0.17754595 +0.42982731
P 5.22
From 74 observations 2015 Dec. 12-2025 Oct. 18, mean residual 0".4.
513P/Broughton
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 June 13.77522 TT Pike
q 3.2536460 (2000.0) P Q
n 0.05043363 Peri. 304.86749 +0.95209406 +0.00047798
a 7.2553083 Node 56.99682 +0.17708692 +0.81440525
e 0.5515496 Incl. 21.38566 -0.24931331 +0.58029635
P 19.5
From 154 observations 2005 Aug. 26-2025 Oct. 27, mean residual 0".7.