Коррекция орбиты некоторых периодических комет от 15 января ..
Добавлено: 15 янв 2025 10:10Коррекция орбиты некоторых периодических комет от 15 января 2025 года, MPEC 2025-A174
Orbital elements:
2P/Encke
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2023 Oct. 22.53425 TT Pike
q 0.3394134 (2000.0) P Q
n 0.29830637 Peri. 187.28281 -0.94611095 -0.31217314
a 2.2183379 Node 334.01450 +0.30615336 -0.77548149
e 0.8469965 Incl. 11.33981 +0.10556605 -0.54879539
P 3.30
From 3337 observations 2009 Aug. 15-2024 Oct. 6, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
10P/Tempel
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2026 Aug. 2.17550 TT Pike
q 1.4168020 (2000.0) P Q
n 0.18384849 Peri. 195.51356 +0.68086009 +0.70883757
a 3.0631106 Node 117.80502 -0.64785597 +0.70026325
e 0.5374630 Incl. 12.02830 -0.34163165 +0.08473889
P 5.36
From 4574 observations 2003 Mar. 7-2025 Jan. 8, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.
29P/Schwassmann-Wachmann
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2019 May 4.13863 TT Pike
q 5.7900393 (2000.0) P Q
n 0.06615259 Peri. 52.12985 +0.98911221 -0.08511050
a 6.0548698 Node 312.40577 +0.01499963 +0.86985246
e 0.0437384 Incl. 9.35732 +0.14639690 +0.48591450
P 14.9
From 47262 observations 1902 Mar. 4-2025 Jan. 14, mean residual 0".9.
30P/Reinmuth
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Aug. 17.18563 TT Pike
q 1.8136465 (2000.0) P Q
n 0.13659588 Peri. 9.48793 -0.59651706 -0.79287554
a 3.7340286 Node 117.23618 +0.72688063 -0.59949977
e 0.5142923 Incl. 8.05334 +0.34031154 -0.10930872
P 7.22
From 1147 observations 2011 Apr. 12-2025 Jan. 12, mean residual 0".8.
32P/Comas Sola
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Apr. 20.62265 TT Pike
q 2.0246581 (2000.0) P Q
n 0.10148449 Peri. 54.67763 -0.31905312 -0.93729264
a 4.5520072 Node 54.52981 +0.80399824 -0.34606776
e 0.5552164 Incl. 9.92075 +0.50178873 -0.04146819
P 9.71
From 3587 observations 2013 Sept. 24-2025 Jan. 12, mean residual 0".8.
Nongravitational parameters A1 = +1.43, A2 = +0.1250.
33P/Daniel
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Nov. 11.01078 TT Pike
q 2.2425899 (2000.0) P Q
n 0.11891520 Peri. 20.29200 +0.08346720 -0.93401627
a 4.0955397 Node 66.28370 +0.85394028 -0.11261836
e 0.4524312 Incl. 22.29541 +0.51363336 +0.33901433
P 8.29
From 660 observations 1999 Nov. 13-2025 Jan. 12, mean residual 0".8.
Nongravitational parameters A1 = +0.60, A2 = +0.0471.
43P/Wolf-Harrington
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Aug. 5.10848 TT Pike
q 2.4419008 (2000.0) P Q
n 0.10947366 Peri. 223.92753 -0.29946797 -0.94290433
a 4.3277580 Node 243.99461 +0.91402577 -0.23970067
e 0.4357585 Incl. 9.33444 +0.27363447 -0.23124664
P 9.00
From 869 observations 2023 Sept. 11-2025 Jan. 13, mean residual 0".4.
Nongravitational parameters A1 = +6.43, A2 = +0.1284.
49P/Arend-Rigaux
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Apr. 10.63359 TT Pike
q 1.4313240 (2000.0) P Q
n 0.14616943 Peri. 332.93958 -0.05211371 -0.95676297
a 3.5691517 Node 118.79444 +0.96513200 -0.12186025
e 0.5989736 Incl. 19.05874 +0.25652365 +0.26411116
P 6.74
From 4050 observations 2004 June 24-2025 Jan. 13, mean residual 0".6.
Nongravitational parameters A1 = -0.03, A2 = -0.0006.
62P/Tsuchinshan
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2023 Dec. 25.14095 TT Pike
q 1.2650149 (2000.0) P Q
n 0.15930326 Peri. 47.31524 -0.43574226 -0.89677771
a 3.3701788 Node 68.66630 +0.79976887 -0.42497802
e 0.6246446 Incl. 4.73749 +0.41291457 -0.12322104
P 6.19
From 1980 observations 2023 Aug. 29-2024 June 1, mean residual 0".5.
Nongravitational parameters A1 = +0.58, A2 = +0.4723.
78P/Gehrels
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2026 June 25.00470 TT Pike
q 2.0049873 (2000.0) P Q
n 0.13655406 Peri. 192.72152 +0.72920128 -0.68205759
a 3.7347910 Node 210.51475 +0.63699352 +0.70611616
e 0.4631594 Incl. 6.25744 +0.25000947 +0.19025619
P 7.22
From 5664 observations 2011 May 3-2021 Apr. 14, mean residual 0".6.
Nongravitational parameters A1 = -0.12, A2 = +0.0262.
130P/McNaught-Hughes
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Apr. 14.92802 TT Pike
q 1.8231359 (2000.0) P Q
n 0.15847936 Peri. 246.14936 +0.71848869 +0.68840317
a 3.3818492 Node 70.17845 -0.59352856 +0.68131091
e 0.4609056 Incl. 6.06356 -0.36262632 +0.24883029
P 6.22
From 2208 observations 2004 Apr. 20-2025 Jan. 12, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = +0.0007.
146P/Shoemaker-LINEAR
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Aug. 5.44181 TT Pike
q 1.4195453 (2000.0) P Q
n 0.12195600 Peri. 317.07767 +0.93950103 -0.13420438
a 4.0271760 Node 53.37455 +0.30276747 +0.75567248
e 0.6475085 Incl. 23.12257 -0.16021760 +0.64105248
P 8.08
From 525 observations 2016 Oct. 10-2024 Dec. 29, mean residual 0".6.
Nongravitational parameters A1 = +0.10, A2 = +0.0278.
154P/Brewington
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 June 13.26844 TT Pike
q 1.5529406 (2000.0) P Q
n 0.09374158 Peri. 47.95429 +0.84732238 -0.52364679
a 4.7993365 Node 343.00637 +0.35189643 +0.67844626
e 0.6764260 Incl. 17.63391 +0.39776084 +0.51527150
P 10.5
From 2829 observations 2013 July 6-2025 Jan. 8, mean residual 0".7.
Nongravitational parameters A1 = +1.55, A2 = +0.3691.
190P/Mueller
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Dec. 24.12505 TT Pike
q 2.0195228 (2000.0) P Q
n 0.11341998 Peri. 50.52063 +0.89840183 -0.43889241
a 4.2267803 Node 335.50049 +0.39038716 +0.81449994
e 0.5222078 Incl. 2.17467 +0.20117660 +0.37942497
P 8.69
From 691 observations 1998 Sept. 14-2025 Jan. 12, mean residual 0".6.
195P/Hill
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Aug. 4.08939 TT Pike
q 4.4415774 (2000.0) P Q
n 0.06005034 Peri. 250.41424 -0.52453538 -0.66665337
a 6.4584119 Node 243.11200 +0.81137700 -0.57985755
e 0.3122802 Incl. 36.42365 -0.25793411 -0.46833589
P 16.4
From 700 observations 1993 Feb. 26-2025 Jan. 13, mean residual 0".6.
242P/Spahr
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Dec. 23.10018 TT Pike
q 3.9716145 (2000.0) P Q
n 0.07568682 Peri. 244.87801 +0.42027256 -0.90739297
a 5.5350625 Node 180.32000 +0.89643205 +0.41467964
e 0.2824626 Incl. 32.43577 -0.14064336 -0.06840166
P 13.0
From 916 observations 2011 July 20-2025 Jan. 13, mean residual 0".7.
253P/PANSTARRS
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Oct. 20.98035 TT Pike
q 2.0267826 (2000.0) P Q
n 0.15298504 Peri. 230.81628 +0.95118484 -0.30500510
a 3.4623429 Node 146.86490 +0.30301478 +0.89399498
e 0.4146211 Incl. 4.94411 +0.05856151 +0.32824512
P 6.44
From 867 observations 1998 Sept. 14-2025 Jan. 14, mean residual 0".6.
Nongravitational parameters A1 = -0.09, A2 = -0.0059.
276P/Vorobjov
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Dec. 10.81837 TT Pike
q 3.8986891 (2000.0) P Q
n 0.07971483 Peri. 199.26887 +0.64030788 -0.75653384
a 5.3469972 Node 211.34006 +0.73401685 +0.65363360
e 0.2708638 Incl. 14.80436 +0.22632959 +0.02048566
P 12.4
From 1021 observations 2000 Dec. 19-2025 Jan. 13, mean residual 0".6.
294P/LINEAR
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Aug. 11.12303 TT Pike
q 1.2727257 (2000.0) P Q
n 0.17278870 Peri. 237.53661 -0.96128991 +0.14460357
a 3.1924626 Node 309.64207 +0.01103918 -0.83032872
e 0.6013342 Incl. 17.73329 -0.27531772 -0.53818586
P 5.70
From 41 observations 2020 June 24-2025 Jan. 8, mean residual 0".3.
305P/Skiff
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Nov. 17.15178 TT Pike
q 1.4186365 (2000.0) P Q
n 0.09875464 Peri. 147.41991 +0.87716100 -0.44702179
a 4.6355120 Node 240.10453 +0.38575226 +0.87347723
e 0.6939634 Incl. 11.67179 +0.28597863 +0.19289646
P 9.98
From 733 observations 2004 Oct. 7-2025 Jan. 13, mean residual 1".1.
333P/LINEAR
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Nov. 29.29909 TT Pike
q 1.1129402 (2000.0) P Q
n 0.11366829 Peri. 26.01795 -0.12521080 +0.73230110
a 4.2206223 Node 115.70562 +0.73013534 -0.38878592
e 0.7363090 Incl. 132.02169 +0.67173256 +0.55908909
P 8.67
From 1102 observations 2016 Jan. 1-2025 Jan. 14, mean residual 0".6.
404P/Bressi
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2023 Nov. 2.55535 TT Pike
q 4.1327263 (2000.0) P Q
n 0.09602445 Peri. 169.18969 +0.35190869 -0.92088660
a 4.7229661 Node 260.04098 +0.84559068 +0.38960057
e 0.1249723 Incl. 9.80412 +0.40141832 -0.01338906
P 10.3
From 403 observations 2020 Nov. 8-2025 Jan. 9, mean residual 0".5.
408P/Novichonok-Gerke
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2022 Oct. 5.90988 TT Pike
q 3.4700085 (2000.0) P Q
n 0.09537467 Peri. 226.62969 +0.56482196 -0.82341779
a 4.7443933 Node 189.44730 +0.81996567 +0.56743189
e 0.2686086 Incl. 19.35499 +0.09291100 -0.00204734
P 10.3
From 1633 observations 2011 Sept. 7-2024 Nov. 29, mean residual 0".7.
450P/LONEOS
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2027 Jan. 21.14625 TT Pike
q 5.4693705 (2000.0) P Q
n 0.04384954 Peri. 22.01128 -0.82989369 -0.53705796
a 7.9645154 Node 124.61919 +0.48059083 -0.82573837
e 0.3132827 Incl. 10.58330 +0.28338828 -0.17240911
P 22.5
From 595 observations 2003 Oct. 25-2025 Jan. 4, mean residual 0".7.
472P/NEAT-LINEAR
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 July 15.13280 TT Pike
q 3.3892672 (2000.0) P Q
n 0.04507352 Peri. 218.91256 +0.42962791 -0.89925474
a 7.8196692 Node 205.95370 +0.86832896 +0.43640447
e 0.5665715 Incl. 10.82899 +0.24784004 +0.02986725
P 21.9
From 1014 observations 2002 Sept. 15-2025 Jan. 10, mean residual 0".6.
483P/PANSTARRS A
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2022 Feb. 23.38274 TT Pike
q 2.4737922 (2000.0) P Q
n 0.17299949 Peri. 48.45914 -0.38023682 +0.92116595
a 3.1898689 Node 199.67243 -0.90486787 -0.38905824
e 0.2244847 Incl. 14.25694 -0.19140035 +0.00932646
P 5.70
From 52 observations 2010 Apr. 3-2016 Mar. 17, mean residual 0".6.
487P/Siding Spring
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Oct. 20.65439 TT Pike
q 1.8149832 (2000.0) P Q
n 0.08395530 Peri. 0.86623 +0.64435326 -0.59511258
a 5.1654002 Node 49.21090 +0.69775445 +0.20050617
e 0.6486268 Incl. 39.36999 +0.31296582 +0.77822766
P 11.7
From 1185 observations 2002 Feb. 13-2025 Jan. 13, mean residual 0".5.
493P/LONEOS
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2026 Jan. 14.19443 TT Pike
q 3.8236656 (2000.0) P Q
n 0.05145118 Peri. 83.18972 +0.10091372 -0.99486337
a 7.1593319 Node 1.11566 +0.67206708 +0.06227039
e 0.4659187 Incl. 24.11680 +0.73358180 +0.07980771
P 19.2
From 208 observations 2024 Aug. 2-2025 Jan. 13, mean residual 0".5.
496P/Hill
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Mar. 10.30806 TT Pike
q 1.6209062 (2000.0) P Q
n 0.06540309 Peri. 42.26340 -0.25311202 -0.93993991
a 6.1010397 Node 63.58761 +0.80506332 -0.33591377
e 0.7343230 Incl. 14.81538 +0.53647680 +0.06062101
P 15.1
From 845 observations 2009 Oct. 14-2025 Jan. 12, mean residual 0".5.
Orbital elements:
2P/Encke
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2023 Oct. 22.53425 TT Pike
q 0.3394134 (2000.0) P Q
n 0.29830637 Peri. 187.28281 -0.94611095 -0.31217314
a 2.2183379 Node 334.01450 +0.30615336 -0.77548149
e 0.8469965 Incl. 11.33981 +0.10556605 -0.54879539
P 3.30
From 3337 observations 2009 Aug. 15-2024 Oct. 6, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
10P/Tempel
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2026 Aug. 2.17550 TT Pike
q 1.4168020 (2000.0) P Q
n 0.18384849 Peri. 195.51356 +0.68086009 +0.70883757
a 3.0631106 Node 117.80502 -0.64785597 +0.70026325
e 0.5374630 Incl. 12.02830 -0.34163165 +0.08473889
P 5.36
From 4574 observations 2003 Mar. 7-2025 Jan. 8, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.
29P/Schwassmann-Wachmann
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2019 May 4.13863 TT Pike
q 5.7900393 (2000.0) P Q
n 0.06615259 Peri. 52.12985 +0.98911221 -0.08511050
a 6.0548698 Node 312.40577 +0.01499963 +0.86985246
e 0.0437384 Incl. 9.35732 +0.14639690 +0.48591450
P 14.9
From 47262 observations 1902 Mar. 4-2025 Jan. 14, mean residual 0".9.
30P/Reinmuth
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Aug. 17.18563 TT Pike
q 1.8136465 (2000.0) P Q
n 0.13659588 Peri. 9.48793 -0.59651706 -0.79287554
a 3.7340286 Node 117.23618 +0.72688063 -0.59949977
e 0.5142923 Incl. 8.05334 +0.34031154 -0.10930872
P 7.22
From 1147 observations 2011 Apr. 12-2025 Jan. 12, mean residual 0".8.
32P/Comas Sola
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Apr. 20.62265 TT Pike
q 2.0246581 (2000.0) P Q
n 0.10148449 Peri. 54.67763 -0.31905312 -0.93729264
a 4.5520072 Node 54.52981 +0.80399824 -0.34606776
e 0.5552164 Incl. 9.92075 +0.50178873 -0.04146819
P 9.71
From 3587 observations 2013 Sept. 24-2025 Jan. 12, mean residual 0".8.
Nongravitational parameters A1 = +1.43, A2 = +0.1250.
33P/Daniel
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Nov. 11.01078 TT Pike
q 2.2425899 (2000.0) P Q
n 0.11891520 Peri. 20.29200 +0.08346720 -0.93401627
a 4.0955397 Node 66.28370 +0.85394028 -0.11261836
e 0.4524312 Incl. 22.29541 +0.51363336 +0.33901433
P 8.29
From 660 observations 1999 Nov. 13-2025 Jan. 12, mean residual 0".8.
Nongravitational parameters A1 = +0.60, A2 = +0.0471.
43P/Wolf-Harrington
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Aug. 5.10848 TT Pike
q 2.4419008 (2000.0) P Q
n 0.10947366 Peri. 223.92753 -0.29946797 -0.94290433
a 4.3277580 Node 243.99461 +0.91402577 -0.23970067
e 0.4357585 Incl. 9.33444 +0.27363447 -0.23124664
P 9.00
From 869 observations 2023 Sept. 11-2025 Jan. 13, mean residual 0".4.
Nongravitational parameters A1 = +6.43, A2 = +0.1284.
49P/Arend-Rigaux
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Apr. 10.63359 TT Pike
q 1.4313240 (2000.0) P Q
n 0.14616943 Peri. 332.93958 -0.05211371 -0.95676297
a 3.5691517 Node 118.79444 +0.96513200 -0.12186025
e 0.5989736 Incl. 19.05874 +0.25652365 +0.26411116
P 6.74
From 4050 observations 2004 June 24-2025 Jan. 13, mean residual 0".6.
Nongravitational parameters A1 = -0.03, A2 = -0.0006.
62P/Tsuchinshan
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2023 Dec. 25.14095 TT Pike
q 1.2650149 (2000.0) P Q
n 0.15930326 Peri. 47.31524 -0.43574226 -0.89677771
a 3.3701788 Node 68.66630 +0.79976887 -0.42497802
e 0.6246446 Incl. 4.73749 +0.41291457 -0.12322104
P 6.19
From 1980 observations 2023 Aug. 29-2024 June 1, mean residual 0".5.
Nongravitational parameters A1 = +0.58, A2 = +0.4723.
78P/Gehrels
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2026 June 25.00470 TT Pike
q 2.0049873 (2000.0) P Q
n 0.13655406 Peri. 192.72152 +0.72920128 -0.68205759
a 3.7347910 Node 210.51475 +0.63699352 +0.70611616
e 0.4631594 Incl. 6.25744 +0.25000947 +0.19025619
P 7.22
From 5664 observations 2011 May 3-2021 Apr. 14, mean residual 0".6.
Nongravitational parameters A1 = -0.12, A2 = +0.0262.
130P/McNaught-Hughes
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Apr. 14.92802 TT Pike
q 1.8231359 (2000.0) P Q
n 0.15847936 Peri. 246.14936 +0.71848869 +0.68840317
a 3.3818492 Node 70.17845 -0.59352856 +0.68131091
e 0.4609056 Incl. 6.06356 -0.36262632 +0.24883029
P 6.22
From 2208 observations 2004 Apr. 20-2025 Jan. 12, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = +0.0007.
146P/Shoemaker-LINEAR
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Aug. 5.44181 TT Pike
q 1.4195453 (2000.0) P Q
n 0.12195600 Peri. 317.07767 +0.93950103 -0.13420438
a 4.0271760 Node 53.37455 +0.30276747 +0.75567248
e 0.6475085 Incl. 23.12257 -0.16021760 +0.64105248
P 8.08
From 525 observations 2016 Oct. 10-2024 Dec. 29, mean residual 0".6.
Nongravitational parameters A1 = +0.10, A2 = +0.0278.
154P/Brewington
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 June 13.26844 TT Pike
q 1.5529406 (2000.0) P Q
n 0.09374158 Peri. 47.95429 +0.84732238 -0.52364679
a 4.7993365 Node 343.00637 +0.35189643 +0.67844626
e 0.6764260 Incl. 17.63391 +0.39776084 +0.51527150
P 10.5
From 2829 observations 2013 July 6-2025 Jan. 8, mean residual 0".7.
Nongravitational parameters A1 = +1.55, A2 = +0.3691.
190P/Mueller
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Dec. 24.12505 TT Pike
q 2.0195228 (2000.0) P Q
n 0.11341998 Peri. 50.52063 +0.89840183 -0.43889241
a 4.2267803 Node 335.50049 +0.39038716 +0.81449994
e 0.5222078 Incl. 2.17467 +0.20117660 +0.37942497
P 8.69
From 691 observations 1998 Sept. 14-2025 Jan. 12, mean residual 0".6.
195P/Hill
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Aug. 4.08939 TT Pike
q 4.4415774 (2000.0) P Q
n 0.06005034 Peri. 250.41424 -0.52453538 -0.66665337
a 6.4584119 Node 243.11200 +0.81137700 -0.57985755
e 0.3122802 Incl. 36.42365 -0.25793411 -0.46833589
P 16.4
From 700 observations 1993 Feb. 26-2025 Jan. 13, mean residual 0".6.
242P/Spahr
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Dec. 23.10018 TT Pike
q 3.9716145 (2000.0) P Q
n 0.07568682 Peri. 244.87801 +0.42027256 -0.90739297
a 5.5350625 Node 180.32000 +0.89643205 +0.41467964
e 0.2824626 Incl. 32.43577 -0.14064336 -0.06840166
P 13.0
From 916 observations 2011 July 20-2025 Jan. 13, mean residual 0".7.
253P/PANSTARRS
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Oct. 20.98035 TT Pike
q 2.0267826 (2000.0) P Q
n 0.15298504 Peri. 230.81628 +0.95118484 -0.30500510
a 3.4623429 Node 146.86490 +0.30301478 +0.89399498
e 0.4146211 Incl. 4.94411 +0.05856151 +0.32824512
P 6.44
From 867 observations 1998 Sept. 14-2025 Jan. 14, mean residual 0".6.
Nongravitational parameters A1 = -0.09, A2 = -0.0059.
276P/Vorobjov
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Dec. 10.81837 TT Pike
q 3.8986891 (2000.0) P Q
n 0.07971483 Peri. 199.26887 +0.64030788 -0.75653384
a 5.3469972 Node 211.34006 +0.73401685 +0.65363360
e 0.2708638 Incl. 14.80436 +0.22632959 +0.02048566
P 12.4
From 1021 observations 2000 Dec. 19-2025 Jan. 13, mean residual 0".6.
294P/LINEAR
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Aug. 11.12303 TT Pike
q 1.2727257 (2000.0) P Q
n 0.17278870 Peri. 237.53661 -0.96128991 +0.14460357
a 3.1924626 Node 309.64207 +0.01103918 -0.83032872
e 0.6013342 Incl. 17.73329 -0.27531772 -0.53818586
P 5.70
From 41 observations 2020 June 24-2025 Jan. 8, mean residual 0".3.
305P/Skiff
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Nov. 17.15178 TT Pike
q 1.4186365 (2000.0) P Q
n 0.09875464 Peri. 147.41991 +0.87716100 -0.44702179
a 4.6355120 Node 240.10453 +0.38575226 +0.87347723
e 0.6939634 Incl. 11.67179 +0.28597863 +0.19289646
P 9.98
From 733 observations 2004 Oct. 7-2025 Jan. 13, mean residual 1".1.
333P/LINEAR
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Nov. 29.29909 TT Pike
q 1.1129402 (2000.0) P Q
n 0.11366829 Peri. 26.01795 -0.12521080 +0.73230110
a 4.2206223 Node 115.70562 +0.73013534 -0.38878592
e 0.7363090 Incl. 132.02169 +0.67173256 +0.55908909
P 8.67
From 1102 observations 2016 Jan. 1-2025 Jan. 14, mean residual 0".6.
404P/Bressi
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2023 Nov. 2.55535 TT Pike
q 4.1327263 (2000.0) P Q
n 0.09602445 Peri. 169.18969 +0.35190869 -0.92088660
a 4.7229661 Node 260.04098 +0.84559068 +0.38960057
e 0.1249723 Incl. 9.80412 +0.40141832 -0.01338906
P 10.3
From 403 observations 2020 Nov. 8-2025 Jan. 9, mean residual 0".5.
408P/Novichonok-Gerke
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2022 Oct. 5.90988 TT Pike
q 3.4700085 (2000.0) P Q
n 0.09537467 Peri. 226.62969 +0.56482196 -0.82341779
a 4.7443933 Node 189.44730 +0.81996567 +0.56743189
e 0.2686086 Incl. 19.35499 +0.09291100 -0.00204734
P 10.3
From 1633 observations 2011 Sept. 7-2024 Nov. 29, mean residual 0".7.
450P/LONEOS
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2027 Jan. 21.14625 TT Pike
q 5.4693705 (2000.0) P Q
n 0.04384954 Peri. 22.01128 -0.82989369 -0.53705796
a 7.9645154 Node 124.61919 +0.48059083 -0.82573837
e 0.3132827 Incl. 10.58330 +0.28338828 -0.17240911
P 22.5
From 595 observations 2003 Oct. 25-2025 Jan. 4, mean residual 0".7.
472P/NEAT-LINEAR
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 July 15.13280 TT Pike
q 3.3892672 (2000.0) P Q
n 0.04507352 Peri. 218.91256 +0.42962791 -0.89925474
a 7.8196692 Node 205.95370 +0.86832896 +0.43640447
e 0.5665715 Incl. 10.82899 +0.24784004 +0.02986725
P 21.9
From 1014 observations 2002 Sept. 15-2025 Jan. 10, mean residual 0".6.
483P/PANSTARRS A
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2022 Feb. 23.38274 TT Pike
q 2.4737922 (2000.0) P Q
n 0.17299949 Peri. 48.45914 -0.38023682 +0.92116595
a 3.1898689 Node 199.67243 -0.90486787 -0.38905824
e 0.2244847 Incl. 14.25694 -0.19140035 +0.00932646
P 5.70
From 52 observations 2010 Apr. 3-2016 Mar. 17, mean residual 0".6.
487P/Siding Spring
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2024 Oct. 20.65439 TT Pike
q 1.8149832 (2000.0) P Q
n 0.08395530 Peri. 0.86623 +0.64435326 -0.59511258
a 5.1654002 Node 49.21090 +0.69775445 +0.20050617
e 0.6486268 Incl. 39.36999 +0.31296582 +0.77822766
P 11.7
From 1185 observations 2002 Feb. 13-2025 Jan. 13, mean residual 0".5.
493P/LONEOS
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2026 Jan. 14.19443 TT Pike
q 3.8236656 (2000.0) P Q
n 0.05145118 Peri. 83.18972 +0.10091372 -0.99486337
a 7.1593319 Node 1.11566 +0.67206708 +0.06227039
e 0.4659187 Incl. 24.11680 +0.73358180 +0.07980771
P 19.2
From 208 observations 2024 Aug. 2-2025 Jan. 13, mean residual 0".5.
496P/Hill
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2025 Mar. 10.30806 TT Pike
q 1.6209062 (2000.0) P Q
n 0.06540309 Peri. 42.26340 -0.25311202 -0.93993991
a 6.1010397 Node 63.58761 +0.80506332 -0.33591377
e 0.7343230 Incl. 14.81538 +0.53647680 +0.06062101
P 15.1
From 845 observations 2009 Oct. 14-2025 Jan. 12, mean residual 0".5.