Коррекция орбиты некоторых периодических комет от 8 мая 2025 г.

[Gremlin]

Коррекция орбиты некоторых периодических комет от 8 мая 2025 года, MPEC 2025-J72

Orbital elements:
13P/Olbers
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 June 30.07111 TT Alexandersen
q 1.1754673 (2000.0) P Q
n 0.01418167 Peri. 64.42198 -0.60856368 -0.37158188
a 16.9038026 Node 85.84671 +0.18547896 -0.92571578
e 0.9304614 Incl. 44.66592 +0.77152304 -0.07054933
P 69.5
From 2202 observations 2023 Oct. 8-2025 May 6, mean residual 0".5.
Nongravitational parameters A1 = +0.69, A2 = -0.0597.

29P/Schwassmann-Wachmann
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2019 May 2.62096 TT Alexandersen
q 5.7941708 (2000.0) P Q
n 0.06612340 Peri. 52.12311 +0.98912653 -0.08496303
a 6.0566517 Node 312.40408 +0.01487936 +0.86986351
e 0.0433376 Incl. 9.35600 +0.14631235 +0.48592052
P 14.9
From 19371 observations 2019 Jan. 1-2025 May 7, mean residual 0".6.
Nongravitational parameters A1 = -1.49, A2 = +2.1875.

30P/Reinmuth
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 17.22409 TT Alexandersen
q 1.8138458 (2000.0) P Q
n 0.13653304 Peri. 9.51029 -0.59678876 -0.79267081
a 3.7351744 Node 117.23348 +0.72667245 -0.59974867
e 0.5143879 Incl. 8.05325 +0.34027978 -0.10942817
P 7.22
From 1289 observations 2011 Apr. 12-2025 May 4, mean residual 0".8.

32P/Comas Sola
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Apr. 20.68009 TT Alexandersen
q 2.0250729 (2000.0) P Q
n 0.10142509 Peri. 54.70293 -0.31950493 -0.93713935
a 4.5537843 Node 54.53206 +0.80383782 -0.34645370
e 0.5552989 Incl. 9.92017 +0.50175826 -0.04170942
P 9.72
From 3689 observations 2013 Sept. 24-2025 May 3, mean residual 0".8.
Nongravitational parameters A1 = +1.16, A2 = -0.1472.

33P/Daniel
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Nov. 10.90103 TT Alexandersen
q 2.2425027 (2000.0) P Q
n 0.11906253 Peri. 20.25973 +0.08404179 -0.93397522
a 4.0921603 Node 66.28072 +0.85400377 -0.11208139
e 0.4520003 Incl. 22.29404 +0.51343406 +0.33930526
P 8.28
From 807 observations 1999 Nov. 13-2025 May 2, mean residual 0".8.
Nongravitational parameters A1 = +0.49, A2 = +0.0462.

42P/Neujmin
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Jan. 14.97060 TT Alexandersen
q 2.0294760 (2000.0) P Q
n 0.09144917 Peri. 147.13501 +0.45923473 +0.88764056
a 4.8792105 Node 150.16056 -0.82929068 +0.44235951
e 0.5840565 Incl. 3.98833 -0.31840295 +0.12811049
P 10.8
From 295 observations 1972 Apr. 17-2025 May 2, mean residual 0".7.
Nongravitational parameters A1 = +0.93, A2 = +0.1047.

47P/Ashbrook-Jackson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Oct. 27.96616 TT Alexandersen
q 2.8074797 (2000.0) P Q
n 0.11794883 Peri. 357.90778 +0.99592123 +0.08938929
a 4.1178793 Node 356.88316 -0.07915983 +0.80041090
e 0.3182220 Incl. 13.03829 -0.04329705 +0.59274948
P 8.36
From 1309 observations 2012 Feb. 15-2025 May 8, mean residual 0".7.
Nongravitational parameters A1 = -0.09, A2 = -0.0096.

49P/Arend-Rigaux
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 10.61182 TT Alexandersen
q 1.4313483 (2000.0) P Q
n 0.14612115 Peri. 332.93076 -0.05190926 -0.95676839
a 3.5699378 Node 118.79104 +0.96515481 -0.12166193
e 0.5990551 Incl. 19.05941 +0.25647930 +0.26418294
P 6.75
From 4352 observations 2004 June 24-2025 Apr. 30, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = -0.0008.

50P/Arend
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 May 12.64365 TT Alexandersen
q 1.9219582 (2000.0) P Q
n 0.11929353 Peri. 49.31608 +0.71019114 -0.70346402
a 4.0868759 Node 355.14517 +0.50576049 +0.53717054
e 0.5297243 Incl. 19.10024 +0.48972938 +0.46538821
P 8.26
From 1875 observations 1999 Aug. 3-2025 May 2, mean residual 0".7.
Nongravitational parameters A1 = +0.22, A2 = -0.0102.

65P/Gunn
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 June 16.49554 TT Alexandersen
q 2.9262516 (2000.0) P Q
n 0.12836231 Peri. 213.67860 +0.09226803 +0.98573469
a 3.8920436 Node 61.97601 -0.87478566 +0.14777356
e 0.2481452 Incl. 9.17541 -0.47564343 -0.08056117
P 7.68
From 3035 observations 2013 Jan. 1-2025 May 7, mean residual 0".7.
Nongravitational parameters A1 = -0.19, A2 = -0.0219.

88P/Howell
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Mar. 18.79545 TT Alexandersen
q 1.3576754 (2000.0) P Q
n 0.17984851 Peri. 235.88280 +0.38149034 +0.92216584
a 3.1083612 Node 56.66862 -0.82094554 +0.36973918
e 0.5632183 Incl. 4.38203 -0.42486885 +0.11359182
P 5.48
From 2691 observations 2015 July 7-2025 Apr. 30, mean residual 0".8.
Nongravitational parameters A1 = +0.66, A2 = +0.0112.

121P/Shoemaker-Holt
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 June 30.59797 TT Alexandersen
q 3.7322161 (2000.0) P Q
n 0.10025861 Peri. 11.94756 -0.26387102 -0.90120959
a 4.5890375 Node 94.10531 +0.85415699 -0.38390281
e 0.1867105 Incl. 20.16208 +0.44809365 +0.20109675
P 9.83
From 226 observations 2012 Oct. 22-2025 May 3, mean residual 0".3.

129P/Shoemaker-Levy
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2022 Dec. 3.26348 TT Alexandersen
q 3.9249850 (2000.0) P Q
n 0.11077144 Peri. 307.84706 -0.67801131 -0.73503394
a 4.2938894 Node 184.85076 +0.69184801 -0.63581261
e 0.0859138 Incl. 3.44144 +0.24828813 -0.23551525
P 8.90
From 442 observations 2010 Sept. 4-2025 May 2, mean residual 0".6.
Nongravitational parameters A1 = +0.06, A2 = -0.0157.

146P/Shoemaker-LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 5.42232 TT Alexandersen
q 1.4188853 (2000.0) P Q
n 0.12200614 Peri. 317.05103 +0.93962159 -0.13359163
a 4.0260724 Node 53.36294 +0.30221383 +0.75586773
e 0.6475758 Incl. 23.11856 -0.16055551 +0.64095027
P 8.08
From 531 observations 2016 Oct. 10-2025 May 1, mean residual 0".6.
Nongravitational parameters A1 = +0.09, A2 = +0.0295.

169P/NEAT
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Sept. 21.31777 TT Alexandersen
q 0.6038778 (2000.0) P Q
n 0.23460517 Peri. 218.11962 +0.82645405 -0.56284358
a 2.6036204 Node 176.06063 +0.55257201 +0.80633247
e 0.7680623 Incl. 11.28721 +0.10787900 +0.18175545
P 4.20
From 1333 observations 1989 Mar. 7-2025 May 2, mean residual 0".5.

172P/Yeung
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Nov. 2.55365 TT Alexandersen
q 3.3581313 (2000.0) P Q
n 0.11355731 Peri. 208.90002 -0.50802541 +0.85552901
a 4.2233718 Node 30.88263 -0.74812354 -0.38079002
e 0.2048696 Incl. 11.22328 -0.42687393 -0.35081201
P 8.68
From 434 observations 2012 Sept. 15-2025 May 5, mean residual 0".3.

195P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 5.50058 TT Alexandersen
q 4.4406020 (2000.0) P Q
n 0.06022674 Peri. 250.58475 -0.52644592 -0.66524919
a 6.4457950 Node 243.10080 +0.80973468 -0.58215295
e 0.3110854 Incl. 36.41746 -0.25919960 -0.46748417
P 16.4
From 930 observations 1993 Feb. 26-2025 Apr. 17, mean residual 0".6.

234P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Oct. 23.66998 TT Alexandersen
q 2.8208996 (2000.0) P Q
n 0.13316202 Peri. 357.44202 -0.99864322 -0.05205201
a 3.7979490 Node 179.56550 +0.05061995 -0.97717803
e 0.2572571 Incl. 11.53384 +0.01222013 -0.20594583
P 7.40
From 301 observations 2001 Dec. 26-2025 May 4, mean residual 0".7.

311P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Jan. 1.88903 TT Alexandersen
q 1.9358452 (2000.0) P Q
n 0.30439545 Peri. 144.28661 +0.44471948 -0.89157504
a 2.1886549 Node 279.16924 +0.80032851 +0.43844511
e 0.1155091 Incl. 4.97124 +0.40211798 +0.11340121
P 3.24
From 269 observations 2005 Jan. 17-2025 May 2, mean residual 0".4.

496P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 10.27859 TT Alexandersen
q 1.6210392 (2000.0) P Q
n 0.06541706 Peri. 42.24576 -0.25281281 -0.94002431
a 6.1001715 Node 63.58687 +0.80517521 -0.33564864
e 0.7342633 Incl. 14.81443 +0.53644997 +0.06078066
P 15.1
From 1483 observations 2009 Oct. 14-2025 May 5, mean residual 0".5.

499P/Catalina
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 4.39180 TT Alexandersen
q 0.9310433 (2000.0) P Q
n 0.18802954 Peri. 2.55519 -0.78392077 -0.55848746
a 3.0175328 Node 139.30955 +0.56199736 -0.82397089
e 0.6914554 Incl. 24.58222 +0.26386965 +0.09572736
P 5.24
From 452 observations 2019 Nov. 1-2025 May 4, mean residual 0".8.