Коррекция орбиты некоторых периодических комет от 12 августа ..

[Gremlin]

Коррекция орбиты некоторых периодических комет от 12 августа 2025 года, MPEC 2025-P138

Orbital elements:
24P/Schaumasse
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Jan. 8.41016 TT Pike
q 1.1837884 (2000.0) P Q
n 0.12062656 Peri. 58.49910 -0.71185279 -0.67464341
a 4.0567112 Node 78.27170 +0.55757491 -0.71189896
e 0.7081901 Incl. 11.50254 +0.42705483 -0.19507986
P 8.17
From 827 observations 2000 Oct. 7-2025 July 25, mean residual 0".8.
Nongravitational parameters A1 = +0.10, A2 = -0.0115.

29P/Schwassmann-Wachmann
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2019 May 2.64545 TT Pike
q 5.7941864 (2000.0) P Q
n 0.06612321 Peri. 52.12503 +0.98912367 -0.08499654
a 6.0566634 Node 312.40410 +0.01490890 +0.86986302
e 0.0433369 Incl. 9.35599 +0.14632868 +0.48591554
P 14.9
From 16704 observations 2020 Jan. 1-2025 June 25, mean residual 0".6.
Nongravitational parameters A1 = -1.59, A2 = +2.4626.

47P/Ashbrook-Jackson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Oct. 27.96528 TT Pike
q 2.8074788 (2000.0) P Q
n 0.11794893 Peri. 357.90791 +0.99592116 +0.08938992
a 4.1178771 Node 356.88298 -0.07916076 +0.80041151
e 0.3182218 Incl. 13.03823 -0.04329683 +0.59274856
P 8.36
From 1611 observations 2012 Feb. 15-2025 Aug. 10, mean residual 0".7.
Nongravitational parameters A1 = -0.08, A2 = -0.0096.

48P/Johnson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 2.63972 TT Pike
q 2.0065828 (2000.0) P Q
n 0.15057491 Peri. 216.77298 +0.82441563 +0.53002434
a 3.4991909 Node 110.06411 -0.45580976 +0.82968839
e 0.4265581 Incl. 12.20174 -0.33552395 +0.17518952
P 6.55
From 1088 observations 2018 Feb. 16-2025 Aug. 9, mean residual 0".6.
Nongravitational parameters A1 = +0.37, A2 = +0.0485.

65P/Gunn
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 June 16.49646 TT Pike
q 2.9262523 (2000.0) P Q
n 0.12836219 Peri. 213.67895 +0.09226987 +0.98573450
a 3.8920461 Node 61.97577 -0.87478499 +0.14777530
e 0.2481455 Incl. 9.17544 -0.47564429 -0.08056024
P 7.68
From 3184 observations 2013 Jan. 1-2025 July 31, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.0220.

78P/Gehrels
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 June 25.01542 TT Pike
q 2.0047890 (2000.0) P Q
n 0.13660466 Peri. 192.75204 +0.72895176 -0.68232579
a 3.7338687 Node 210.50521 +0.63725775 +0.70587916
e 0.4630799 Incl. 6.25708 +0.25006379 +0.19017396
P 7.22
From 2499 observations 2018 May 15-2025 Aug. 12, mean residual 0".6.
Nongravitational parameters A1 = -0.83, A2 = -0.1770.

93P/Lovas
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 May 2.90587 TT Pike
q 1.6886418 (2000.0) P Q
n 0.10772800 Peri. 75.01941 +0.57205383 -0.81688186
a 4.3743849 Node 339.55207 +0.64755560 +0.50508160
e 0.6139705 Incl. 12.20900 +0.50341450 +0.27856167
P 9.15
From 3441 observations 1980 Dec. 5-2025 Aug. 2, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.

105P/Singer Brewster
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Jan. 22.75521 TT Pike
q 2.0520947 (2000.0) P Q
n 0.15226899 Peri. 46.33195 -0.52110648 +0.85280635
a 3.4731890 Node 192.39458 -0.82173272 -0.51214088
e 0.4091612 Incl. 9.16718 -0.23065856 -0.10214229
P 6.47
From 557 observations 2018 Jan. 1-2025 Aug. 12, mean residual 0".6.
Nongravitational parameters A1 = -0.57, A2 = +0.5906.

217P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 May 24.94406 TT Pike
q 1.2263740 (2000.0) P Q
n 0.12582731 Peri. 247.03580 +0.95779637 -0.22284773
a 3.9441442 Node 125.37158 +0.26640549 +0.92540809
e 0.6890646 Incl. 12.86548 -0.10795477 +0.30652692
P 7.83
From 3329 observations 2001 June 21-2025 Aug. 4, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0030.

240P/NEAT
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 19.92479 TT Pike
q 2.1218788 (2000.0) P Q
n 0.12993288 Peri. 352.06254 +0.38005352 -0.84076780
a 3.8606166 Node 74.91161 +0.86906462 +0.18186236
e 0.4503783 Incl. 23.53712 +0.31667965 +0.50993685
P 7.59
From 256 observations 2020 Mar. 23-2025 Aug. 9, mean residual 0".7.
Nongravitational parameters A1 = -2.67, A2 = +1.2792.

261P/Larson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 27.39649 TT Pike
q 2.0142113 (2000.0) P Q
n 0.15118538 Peri. 67.36165 +0.99478161 +0.02569216
a 3.4897650 Node 291.05057 -0.06597134 +0.90021884
e 0.4228232 Incl. 6.07326 +0.07782880 +0.43467913
P 6.52
From 1087 observations 2005 July 3-2025 Aug. 12, mean residual 0".7.
Nongravitational parameters A1 = +0.16, A2 = +0.0841.

302P/Lemmon-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 9.40283 TT Pike
q 3.2886297 (2000.0) P Q
n 0.11180296 Peri. 208.62584 +0.86673192 +0.49068875
a 4.2674375 Node 121.71576 -0.43523879 +0.83164933
e 0.2293667 Incl. 6.03561 -0.24360415 +0.25996912
P 8.82
From 577 observations 2007 Aug. 16-2025 Aug. 9, mean residual 0".6.

306P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 1.64142 TT Pike
q 1.2729598 (2000.0) P Q
n 0.17845877 Peri. 0.90661 +0.95232867 +0.30155634
a 3.1244779 Node 341.34074 -0.28080075 +0.80726082
e 0.5925848 Incl. 8.30157 -0.11925202 +0.50733987
P 5.52
From 349 observations 2003 July 30-2025 Aug. 3, mean residual 0".9.

333P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Nov. 29.29816 TT Pike
q 1.1129751 (2000.0) P Q
n 0.11367848 Peri. 26.01968 -0.12520566 +0.73231416
a 4.2203702 Node 115.70684 +0.73012383 -0.38878813
e 0.7362850 Incl. 132.02230 +0.67174603 +0.55907045
P 8.67
From 1210 observations 2016 Jan. 1-2025 Aug. 11, mean residual 0".6.

351P/Wiegert-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 26.16562 TT Pike
q 3.1319415 (2000.0) P Q
n 0.10532272 Peri. 352.56475 +0.10675877 +0.97072275
a 4.4407331 Node 283.38411 -0.90047532 +0.00263163
e 0.2947242 Incl. 12.77843 -0.42160023 +0.24018831
P 9.36
From 209 observations 1998 Oct. 18-2025 Aug. 2, mean residual 0".5.

441P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Sept. 9.40917 TT Pike
q 3.3279137 (2000.0) P Q
n 0.11732822 Peri. 178.87166 +0.79292101 +0.60874087
a 4.1323878 Node 143.58656 -0.55939547 +0.74459733
e 0.1946754 Incl. 2.57425 -0.24156363 +0.27387837
P 8.40
From 161 observations 2009 Sept. 25-2025 Aug. 11, mean residual 0".5.

486P/Leonard
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 3.85625 TT Pike
q 2.3089738 (2000.0) P Q
n 0.14262697 Peri. 93.94673 +0.68116071 +0.73173135
a 3.6280084 Node 219.02424 -0.68609191 +0.62640032
e 0.3635699 Incl. 2.20956 -0.25553471 +0.26868543
P 6.91
From 341 observations 2018 June 8-2025 Aug. 7, mean residual 0".7.

491P/Spacewatch-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Sept. 6.05787 TT Pike
q 3.7165004 (2000.0) P Q
n 0.08780005 Peri. 298.88900 -0.32387716 +0.93826017
a 5.0134829 Node 311.68470 -0.80144895 -0.34035321
e 0.2586989 Incl. 9.36605 -0.50277546 -0.06186722
P 11.2
From 393 observations 2013 May 4-2025 Aug. 10, mean residual 0".6.

493P/LONEOS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Jan. 14.13304 TT Pike
q 3.8230892 (2000.0) P Q
n 0.05138684 Peri. 83.20218 +0.10079064 -0.99487619
a 7.1653062 Node 1.10975 +0.67211605 +0.06222379
e 0.4664444 Incl. 24.11329 +0.73355386 +0.07968413
P 19.2
From 257 observations 2024 Aug. 2-2025 Aug. 9, mean residual 0".5.

502P/NEAT
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 5.11282 TT Pike
q 4.2294831 (2000.0) P Q
n 0.04356932 Peri. 37.74507 +0.52129892 +0.83038668
a 7.9986287 Node 264.48493 -0.82317409 +0.42851718
e 0.4712240 Incl. 11.39968 -0.22501524 +0.35613337
P 22.6
From 245 observations 2002 June 11-2025 Aug. 12, mean residual 0".6.