Коррекция орбиты некоторых периодических комет от 30 сентября ..

[Gremlin]

Коррекция орбиты некоторых периодических комет от 30 сентября 2025 года, MPEC 2025-S298

Orbital elements:
2P/Encke
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 10.23977 TT Alexandersen
q 0.3388872 (2000.0) P Q
n 0.29836571 Peri. 187.27949 -0.94610536 -0.31217821
a 2.2180438 Node 334.01694 +0.30616948 -0.77541155
e 0.8472135 Incl. 11.34655 +0.10556941 -0.54889134
P 3.30
From 3368 observations 2009 Aug. 15-2025 Sept. 24, 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. 29.48391 TT Alexandersen
q 1.3563296 (2000.0) P Q
z -3.7886097 Peri. 128.01248 -0.96792354 -0.24574904
+/-0.0023375 Node 322.15742 -0.24883335 +0.90891091
e 6.1386036 Incl. 175.11310 -0.03472727 +0.33688034
From 4060 observations 2025 May 8-Sept. 29, mean residual 0".4.

13P/Olbers
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 June 30.11825 TT Alexandersen
q 1.1753405 (2000.0) P Q
n 0.01415409 Peri. 64.42457 -0.60859583 -0.37157233
a 16.9257540 Node 85.84616 +0.18545182 -0.92571640
e 0.9305590 Incl. 44.66411 +0.77150421 -0.07059142
P 69.6
From 2247 observations 2023 Oct. 8-2025 July 31, mean residual 0".5.
Nongravitational parameters A1 = +0.73, A2 = -0.0582.

24P/Schaumasse
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 8.34246 TT Alexandersen
q 1.1839369 (2000.0) P Q
n 0.12054363 Peri. 58.48254 -0.71166814 -0.67484018
a 4.0585716 Node 78.27246 +0.55777476 -0.71174429
e 0.7082873 Incl. 11.50210 +0.42710161 -0.19496357
P 8.18
From 862 observations 2000 Oct. 7-2025 Sept. 26, mean residual 0".8.
Nongravitational parameters A1 = +0.08, A2 = -0.0194.

28P/Neujmin
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2021 Mar. 9.64397 TT Alexandersen
q 1.5876881 (2000.0) P Q
n 0.05345537 Peri. 347.43360 +0.89925651 +0.43356594
a 6.9792460 Node 346.42066 -0.37692993 +0.70084405
e 0.7725130 Incl. 14.28932 -0.22194945 +0.56642580
P 18.4
From 981 observations 2017 Mar. 19-2024 Apr. 8, mean residual 0".3.

29P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2019 Apr. 28.45395 TT Alexandersen
q 5.7969255 (2000.0) P Q
n 0.06610597 Peri. 51.92131 +0.98942358 -0.08143896
a 6.0577162 Node 312.40184 +0.01178522 +0.86991751
e 0.0430510 Incl. 9.35523 +0.14457555 +0.48642700
P 14.9
From 16930 observations 2020 Jan. 1-2025 June 25, mean residual 0".6.
Nongravitational parameters A1 = -1.52, A2 = +2.3852.

30P/Reinmuth
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Aug. 17.27466 TT Alexandersen
q 1.8141249 (2000.0) P Q
n 0.13647703 Peri. 9.53506 -0.59707997 -0.79245012
a 3.7361962 Node 117.22981 +0.72644787 -0.60001794
e 0.5144460 Incl. 8.05355 +0.34024844 -0.10955036
P 7.22
From 1373 observations 2011 Apr. 12-2025 June 29, mean residual 0".8.

31P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Mar. 18.99879 TT Alexandersen
q 3.4110769 (2000.0) P Q
n 0.11329195 Peri. 17.97408 -0.66937765 -0.73938584
a 4.2299640 Node 114.11346 +0.67151079 -0.64384641
e 0.1935920 Incl. 4.54975 +0.31781570 -0.19690196
P 8.70
From 1049 observations 2000 Nov. 24-2025 Sept. 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. 4.57683 TT Alexandersen
q 2.4427955 (2000.0) P Q
n 0.10933548 Peri. 223.78576 -0.29689987 -0.94372961
a 4.3314034 Node 243.97998 +0.91466794 -0.23723582
e 0.4360268 Incl. 9.32997 +0.27428641 -0.23042044
P 9.01
From 1154 observations 2023 Sept. 11-2025 Sept. 28, mean residual 0".5.
Nongravitational parameters A1 = -2.08, A2 = +1.4795.

47P/Ashbrook-Jackson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 28.00474 TT Alexandersen
q 2.8074568 (2000.0) P Q
n 0.11800658 Peri. 357.91824 +0.99593406 +0.08924482
a 4.1165358 Node 356.88094 -0.07904869 +0.80041052
e 0.3180050 Incl. 13.03942 -0.04320474 +0.59277176
P 8.35
From 1935 observations 2012 Feb. 15-2025 Sept. 29, mean residual 0".7.
Nongravitational parameters A1 = -0.09, A2 = -0.0119.

48P/Johnson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 2.66491 TT Alexandersen
q 2.0067927 (2000.0) P Q
n 0.15056926 Peri. 216.78866 +0.82455627 +0.52980506
a 3.4992784 Node 110.06366 -0.45558844 +0.82980951
e 0.4265124 Incl. 12.20178 -0.33547896 +0.17527914
P 6.55
From 1247 observations 2018 Feb. 16-2025 Sept. 29, mean residual 0".6.
Nongravitational parameters A1 = +0.39, A2 = +0.0505.

49P/Arend-Rigaux
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Apr. 10.59758 TT Alexandersen
q 1.4313718 (2000.0) P Q
n 0.14617701 Peri. 332.92568 -0.05182093 -0.95677158
a 3.5690283 Node 118.79079 +0.96516639 -0.12157376
e 0.5989464 Incl. 19.05974 +0.25645357 +0.26421198
P 6.74
From 4371 observations 2004 June 24-2025 May 25, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = -0.0008.

50P/Arend
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 May 12.55837 TT Alexandersen
q 1.9220542 (2000.0) P Q
n 0.11933432 Peri. 49.30584 +0.71032493 -0.70332874
a 4.0859445 Node 355.14446 +0.50565192 +0.53726522
e 0.5295937 Incl. 19.10073 +0.48964745 +0.46548336
P 8.26
From 1878 observations 1999 Aug. 3-2025 May 2, mean residual 0".7.
Nongravitational parameters A1 = +0.22, A2 = -0.0103.

65P/Gunn
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 June 16.36388 TT Alexandersen
q 2.9261767 (2000.0) P Q
n 0.12838160 Peri. 213.65298 +0.09176764 +0.98578295
a 3.8916538 Node 61.97254 -0.87485863 +0.14732470
e 0.2480892 Incl. 9.17499 -0.47560602 -0.08079232
P 7.68
From 3202 observations 2013 Jan. 1-2025 Sept. 25, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.0220.

74P/Smirnova-Chernykh
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 5.63048 TT Alexandersen
q 4.8358961 (2000.0) P Q
n 0.08523280 Peri. 59.70107 -0.36156134 -0.92871204
a 5.1136563 Node 51.72455 +0.81538663 -0.35775781
e 0.0543173 Incl. 6.01502 +0.45212614 -0.09748481
P 11.6
From 1870 observations 2018 Jan. 1-2025 Sept. 29, mean residual 0".5.
Nongravitational parameters A1 = -2.03, A2 = -0.4179.

77P/Longmore
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Apr. 2.88815 TT Alexandersen
q 2.3457425 (2000.0) P Q
n 0.14311531 Peri. 196.59751 -0.86050563 +0.49852902
a 3.6197507 Node 14.74777 -0.40795064 -0.55101323
e 0.3519602 Incl. 24.32931 -0.30513332 -0.66921837
P 6.89
From 2646 observations 1975 Aug. 11-2025 Sept. 24, mean residual 0".8.
Nongravitational parameters A1 = +0.11, A2 = -0.0489.

78P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 25.07349 TT Alexandersen
q 2.0045856 (2000.0) P Q
n 0.13666017 Peri. 192.78052 +0.72870949 -0.68258549
a 3.7328576 Node 210.49709 +0.63751401 +0.70565180
e 0.4629890 Incl. 6.25722 +0.25011669 +0.19008575
P 7.21
From 2699 observations 2018 May 15-2025 Sept. 28, mean residual 0".6.
Nongravitational parameters A1 = -0.83, A2 = -0.1654.

93P/Lovas
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 May 2.93864 TT Alexandersen
q 1.6884374 (2000.0) P Q
n 0.10778603 Peri. 75.03845 +0.57181948 -0.81704430
a 4.3728147 Node 339.54927 +0.64768433 +0.50489948
e 0.6138786 Incl. 12.21040 +0.50351513 +0.27841540
P 9.14
From 3495 observations 1980 Dec. 5-2025 Sept. 25, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.

128P/Shoemaker-Holt
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 16.92778 TT Alexandersen
q 3.0369642 (2000.0) P Q
n 0.10389890 Peri. 210.53908 +0.42588494 -0.90375681
a 4.4812111 Node 214.30698 +0.84476222 +0.41419217
e 0.3222894 Incl. 4.37147 +0.32403520 +0.10802072
P 9.49
From 978 observations 1987 Sept. 24-2025 Sept. 28, mean residual 0".9.

131P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 15.69408 TT Alexandersen
q 2.4078078 (2000.0) P Q
n 0.13995750 Peri. 179.26545 +0.83480548 -0.54582960
a 3.6739954 Node 214.13279 +0.50445947 +0.81068062
e 0.3446351 Incl. 7.36220 +0.22050046 +0.21181827
P 7.04
From 846 observations 1990 Sept. 15-2025 Sept. 29, mean residual 0".8.
Nongravitational parameters A1 = +0.74, A2 = -0.0427.

136P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Jan. 3.80635 TT Alexandersen
q 2.9592192 (2000.0) P Q
n 0.11500708 Peri. 225.40618 +0.99228257 -0.05556910
a 4.1878037 Node 137.41116 +0.08499688 +0.95571217
e 0.2933720 Incl. 9.42750 -0.09028192 +0.28900923
P 8.57
From 432 observations 2016 Aug. 5-2025 Sept. 25, mean residual 0".6.
Nongravitational parameters A1 = -2.61, A2 = +0.4110.

143P/Kowal-Mrkos
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Dec. 27.48834 TT Alexandersen
q 2.9564152 (2000.0) P Q
n 0.09482654 Peri. 304.64400 -0.98972704 +0.11622813
a 4.7626586 Node 242.15930 -0.07944013 -0.93123031
e 0.3792511 Incl. 5.40259 -0.11886818 -0.34539995
P 10.4
From 217 observations 2020 July 28-2025 Sept. 25, mean residual 0".2.

145P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 31.93466 TT Alexandersen
q 1.8897207 (2000.0) P Q
n 0.11745768 Peri. 10.41912 +0.79825104 -0.59585019
a 4.1293507 Node 26.76682 +0.53759975 +0.63886802
e 0.5423686 Incl. 11.27822 +0.27162802 +0.48663149
P 8.39
From 1014 observations 1991 Sept. 12-2025 Sept. 29, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = -0.0165.

164P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 27.37451 TT Alexandersen
q 1.6748679 (2000.0) P Q
n 0.14119600 Peri. 325.93240 +0.56251710 -0.77787839
a 3.6524795 Node 88.26758 +0.80720982 +0.44341568
e 0.5414436 Incl. 16.27635 +0.17884859 +0.44529513
P 6.98
From 1245 observations 2010 Oct. 7-2025 Sept. 28, mean residual 0".7.

171P/Spahr
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 25.02831 TT Alexandersen
q 1.7663878 (2000.0) P Q
n 0.14713431 Peri. 347.07275 +0.00563458 -0.93055196
a 3.5535308 Node 101.69404 +0.94752314 -0.11206001
e 0.5029204 Incl. 21.95491 +0.31963752 +0.34859088
P 6.70
From 655 observations 2005 Sept. 1-2025 Sept. 30, mean residual 0".7.
Nongravitational parameters A1 = +0.37, A2 = -0.1823.

188P/LINEAR-Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 13.31645 TT Alexandersen
q 2.5460865 (2000.0) P Q
n 0.10811899 Peri. 26.84737 +0.90049222 -0.43485826
a 4.3638324 Node 358.91074 +0.35892550 +0.74771407
e 0.4165481 Incl. 10.52568 +0.24553260 +0.50181865
P 9.12
From 591 observations 2016 Apr. 14-2025 Sept. 28, mean residual 0".7.

195P/Hill
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 5.99996 TT Alexandersen
q 4.4406091 (2000.0) P Q
n 0.06029775 Peri. 250.65376 -0.52714439 -0.66476134
a 6.4407329 Node 243.08973 +0.80912347 -0.58301099
e 0.3105429 Incl. 36.41504 -0.25968830 -0.46710871
P 16.3
From 941 observations 1993 Feb. 26-2025 Sept. 18, mean residual 0".6.

210P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Nov. 22.72696 TT Alexandersen
q 0.5244175 (2000.0) P Q
n 0.17541015 Peri. 345.94978 +0.17411098 -0.96846938
a 3.1605759 Node 93.79664 +0.91983812 +0.09535238
e 0.8340753 Incl. 10.28729 +0.35154402 +0.23016293
P 5.62
From 632 observations 2008 Dec. 8-2025 Sept. 26, 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 24.96381 TT Alexandersen
q 1.2263053 (2000.0) P Q
n 0.12570631 Peri. 247.04397 +0.95777292 -0.22292789
a 3.9466747 Node 125.36815 +0.26649046 +0.92538463
e 0.6892814 Incl. 12.86675 -0.10795310 +0.30653946
P 7.84
From 3385 observations 2001 June 21-2025 Sept. 28, mean residual 0".6.
Nongravitational parameters A1 = +0.16, A2 = +0.0032.

240P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.94581 TT Alexandersen
q 2.1216622 (2000.0) P Q
n 0.12989347 Peri. 352.07667 +0.37984727 -0.84086312
a 3.8613975 Node 74.91155 +0.86910881 +0.18165106
e 0.4505455 Incl. 23.53683 +0.31680582 +0.50985499
P 7.59
From 526 observations 2020 Mar. 23-2025 Sept. 30, mean residual 0".7.
Nongravitational parameters A1 = -1.21, A2 = +0.7602.

242P/Spahr
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 23.54516 TT Alexandersen
q 3.9719290 (2000.0) P Q
n 0.07562022 Peri. 245.05366 +0.41925518 -0.90786673
a 5.5383119 Node 180.18805 +0.89683374 +0.41385723
e 0.2828268 Incl. 32.42826 -0.14111815 -0.06708350
P 13.0
From 1086 observations 2011 July 20-2025 Apr. 16, mean residual 0".7.

243P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 25.58996 TT Alexandersen
q 2.4479946 (2000.0) P Q
n 0.13170522 Peri. 283.78661 +0.97177644 -0.19490131
a 3.8259039 Node 87.57599 +0.23248467 +0.88680741
e 0.3601526 Incl. 7.64444 -0.04001773 +0.41902995
P 7.48
From 826 observations 2003 Aug. 1-2025 Sept. 25, mean residual 0".7.

261P/Larson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 27.41448 TT Alexandersen
q 2.0141992 (2000.0) P Q
n 0.15124291 Peri. 67.36696 +0.99478366 +0.02560251
a 3.4888800 Node 291.05042 -0.06589142 +0.90022443
e 0.4226803 Incl. 6.07342 +0.07787031 +0.43467285
P 6.52
From 1154 observations 2005 July 3-2025 Sept. 28, mean residual 0".8.
Nongravitational parameters A1 = +0.32, A2 = +0.0851.

276P/Vorobjov
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 11.96747 TT Alexandersen
q 3.8985053 (2000.0) P Q
n 0.07893173 Peri. 199.65520 +0.63883284 -0.75805859
a 5.3823051 Node 211.06413 +0.73552473 +0.65183463
e 0.2756811 Incl. 14.74156 +0.22560139 +0.02141935
P 12.5
From 1156 observations 2000 Dec. 19-2025 Sept. 17, mean residual 0".6.

295P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 22.75468 TT Alexandersen
q 2.0257288 (2000.0) P Q
n 0.08084141 Peri. 73.06132 +0.17431795 -0.98360489
a 5.2972053 Node 7.37803 +0.70954319 +0.09293713
e 0.6175854 Incl. 21.08724 +0.68276036 +0.15454484
P 12.2
From 87 observations 2002 Jan. 6-2025 Sept. 15, mean residual 0".4.

302P/Lemmon-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 9.29299 TT Alexandersen
q 3.2886005 (2000.0) P Q
n 0.11185756 Peri. 208.60753 +0.86658653 +0.49094551
a 4.2660489 Node 121.71709 -0.43548588 +0.83152103
e 0.2291226 Incl. 6.03568 -0.24367978 +0.25989475
P 8.81
From 706 observations 2007 Aug. 16-2025 Sept. 29, mean residual 0".6.

351P/Wiegert-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 26.04829 TT Alexandersen
q 3.1316899 (2000.0) P Q
n 0.10535358 Peri. 352.54038 +0.10634008 +0.97076915
a 4.4398658 Node 283.38378 -0.90047707 +0.00224457
e 0.2946431 Incl. 12.77829 -0.42170230 +0.24000460
P 9.36
From 280 observations 1998 Oct. 18-2025 Sept. 28, mean residual 0".6.

414P/STEREO
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 26.31410 TT Alexandersen
q 0.5241573 (2000.0) P Q
n 0.21123038 Peri. 210.71035 -0.27664358 -0.87902528
a 2.7923196 Node 257.81496 +0.94250318 -0.16934775
e 0.8122861 Incl. 23.40684 +0.18749958 -0.44568587
P 4.67
From 288 observations 2016 May 11-2025 Sept. 23, mean residual 1".2.

450P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 20.87371 TT Alexandersen
q 5.4135618 (2000.0) P Q
n 0.04457668 Peri. 25.65143 -0.85614160 -0.49259403
a 7.8776666 Node 123.95367 +0.43576188 -0.85061392
e 0.3127963 Incl. 10.84829 +0.27772854 -0.18386704
P 22.1
From 618 observations 2003 Oct. 25-2025 Sept. 25, mean residual 0".7.

472P/NEAT-LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 July 13.70930 TT Alexandersen
q 3.3864241 (2000.0) P Q
n 0.04554933 Peri. 218.80601 +0.43352689 -0.89742197
a 7.7651179 Node 205.81078 +0.86651917 +0.44006467
e 0.5638928 Incl. 10.82623 +0.24738425 +0.03125537
P 21.6
From 1354 observations 2002 Sept. 15-2025 Apr. 19, mean residual 0".7.

486P/Leonard
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Apr. 3.81447 TT Alexandersen
q 2.3089459 (2000.0) P Q
n 0.14268638 Peri. 93.93732 +0.68102418 +0.73185839
a 3.6270012 Node 219.02297 -0.68620957 +0.62627274
e 0.3634008 Incl. 2.20970 -0.25558265 +0.26863683
P 6.91
From 464 observations 2018 June 8-2025 Sept. 30, mean residual 0".7.

487P/Siding Spring
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Oct. 20.55464 TT Alexandersen
q 1.8147743 (2000.0) P Q
n 0.08407156 Peri. 0.83912 +0.64477201 -0.59475008
a 5.1606369 Node 49.20058 +0.69755360 +0.20097960
e 0.6483430 Incl. 39.36624 +0.31255084 +0.77838265
P 11.7
From 1406 observations 2002 Feb. 13-2025 Mar. 26, mean residual 0".6.

491P/Spacewatch-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Sept. 5.78699 TT Alexandersen
q 3.7160000 (2000.0) P Q
n 0.08781944 Peri. 298.84525 -0.32461220 +0.93800432
a 5.0127451 Node 311.68344 -0.80117562 -0.34098753
e 0.2586896 Incl. 9.36694 -0.50273705 -0.06225272
P 11.2
From 439 observations 2013 May 4-2025 Sept. 25, mean residual 0".5.

493P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 14.09636 TT Alexandersen
q 3.8229718 (2000.0) P Q
n 0.05128116 Peri. 83.22265 +0.10077275 -0.99487921
a 7.1751471 Node 1.08842 +0.67216735 +0.06233102
e 0.4671926 Incl. 24.10832 +0.73350931 +0.07956250
P 19.2
From 329 observations 2024 Aug. 2-2025 Sept. 29, mean residual 0".5.

496P/Hill
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 10.27910 TT Alexandersen
q 1.6211697 (2000.0) P Q
n 0.06543159 Peri. 42.25126 -0.25290026 -0.94000149
a 6.0992684 Node 63.58667 +0.80514470 -0.33572196
e 0.7342026 Incl. 14.81426 +0.53645454 +0.06072861
P 15.1
From 1693 observations 2009 Oct. 14-2025 June 28, mean residual 0".5.

502P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 4.97150 TT Alexandersen
q 4.2294604 (2000.0) P Q
n 0.04359566 Peri. 37.72732 +0.52101784 +0.83056457
a 7.9954070 Node 264.48328 -0.82331932 +0.42824178
e 0.4710137 Incl. 11.39934 -0.22513487 +0.35604982
P 22.6
From 277 observations 2002 June 11-2025 Aug. 28, mean residual 0".6.