Коррекция орбиты некоторых периодических комет от 21 ноября (4)

[Gremlin]

Коррекция орбиты некоторых периодических комет от 21 ноября 2025 года, MPEC 2025-W75

Orbital elements:
227P/Catalina-LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Mar. 8.39980 TT Pike
q 1.6234318 (2000.0) P Q
n 0.15462060 Peri. 105.60804 -0.78735369 -0.61151617
a 3.4378834 Node 36.79269 +0.50367338 -0.71124265
e 0.5277816 Incl. 7.50667 +0.35550991 -0.34667256
P 6.37
From 1082 observations 2017 Jan. 22-2024 July 23, mean residual 0".6.

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.

229P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 5.96675 TT Pike
q 2.4406519 (2000.0) P Q
n 0.12669423 Peri. 224.28523 +0.89939591 -0.40448088
a 3.9261314 Node 157.86126 +0.40754905 +0.91303197
e 0.3783570 Incl. 26.09767 -0.15808470 +0.05261021
P 7.78
From 326 observations 2001 Aug. 23-2024 Dec. 3, mean residual 1".0.

230P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Aug. 20.74771 TT Pike
q 1.5710394 (2000.0) P Q
n 0.15345251 Peri. 313.59137 +0.46707914 -0.84657838
a 3.4553076 Node 106.92383 +0.86850506 +0.38508116
e 0.5453257 Incl. 15.47294 +0.16593987 +0.36744734
P 6.42
From 1538 observations 1997 Jan. 10-2025 May 30, mean residual 0".5.

231P/LINEAR-NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Aug. 3.65891 TT Pike
q 3.0900796 (2000.0) P Q
n 0.12023249 Peri. 43.51218 -0.98632240 -0.05292099
a 4.0655703 Node 132.75557 +0.01130130 -0.96653993
e 0.2399394 Incl. 12.27460 +0.16443965 -0.25099787
P 8.20
From 578 observations 2003 Feb. 1-2023 Sept. 7, mean residual 0".8.
Nongravitational parameters A1 = +0.09, A2 = -0.0046.

232P/Hill
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Sept. 20.65974 TT Pike
q 2.9665438 (2000.0) P Q
n 0.10432014 Peri. 53.34463 -0.30963542 -0.92747235
a 4.4691399 Node 55.99925 +0.77164977 -0.37388410
e 0.3362160 Incl. 14.64287 +0.55559206 +0.00239256
P 9.45
From 305 observations 1999 Dec. 12-2019 Apr. 9, mean residual 0".8.

233P/La Sagra
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 8.10907 TT Pike
q 1.7767552 (2000.0) P Q
n 0.18709947 Peri. 26.98932 -0.19787738 -0.96182635
a 3.0275246 Node 74.91964 +0.86029636 -0.26284008
e 0.4131327 Incl. 11.29019 +0.46982413 +0.07619168
P 5.27
From 115 observations 2005 Feb. 9-2025 Nov. 15, mean residual 0".6.

234P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Oct. 23.76500 TT Pike
q 2.8209022 (2000.0) P Q
n 0.13311648 Peri. 357.46664 -0.99865906 -0.05174654
a 3.7988152 Node 179.55826 +0.05031570 -0.97719113
e 0.2574258 Incl. 11.53313 +0.01218237 -0.20596068
P 7.40
From 314 observations 2001 Dec. 26-2025 June 29, mean residual 0".7.

235P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 22.66709 TT Pike
q 1.9779245 (2000.0) P Q
n 0.15409868 Peri. 352.19371 -0.97612132 +0.20912530
a 3.4456416 Node 200.17041 -0.18895777 -0.95088613
e 0.4259634 Incl. 9.81322 -0.10715474 -0.22821518
P 6.40
From 49 observations 2024 Nov. 21-2025 Nov. 11, mean residual 0".5.

236P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Feb. 3.95628 TT Pike
q 1.8281198 (2000.0) P Q
n 0.13687227 Peri. 119.47085 +0.96410853 -0.06952975
a 3.7290001 Node 245.55687 -0.00370610 +0.96148389
e 0.5097560 Incl. 16.34797 +0.26548260 +0.26592169
P 7.20
From 864 observations 2003 Sept. 27-2024 July 27, mean residual 0".7.

237P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 May 13.66705 TT Pike
q 1.9995519 (2000.0) P Q
n 0.14929887 Peri. 25.57526 +0.00462371 +0.97551182
a 3.5191008 Node 245.35756 -0.95399883 -0.06161830
e 0.4318003 Incl. 14.00058 -0.29977468 +0.21113948
P 6.60
From 2247 observations 2002 June 18-2024 Nov. 21, mean residual 0".7.

238P/Read
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Jan. 24.20367 TT Pike
q 2.3747098 (2000.0) P Q
n 0.17479088 Peri. 324.25203 +0.96161536 -0.27385545
a 3.1680367 Node 51.65101 +0.25660499 +0.87513560
e 0.2504159 Incl. 1.26359 +0.09720995 +0.39892464
P 5.64
From 324 observations 2005 Oct. 23-2022 Dec. 24, mean residual 0".6.
Nongravitational parameters A1 = +0.18, A2 = -0.0071.

239P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 June 17.66129 TT Pike
q 1.6441804 (2000.0) P Q
n 0.10453459 Peri. 220.41001 -0.43143050 -0.88187760
a 4.4630256 Node 255.92583 +0.87000061 -0.35094416
e 0.6315996 Incl. 11.30558 +0.23867690 -0.31484933
P 9.43
From 366 observations 1999 Nov. 14-2019 Apr. 19, mean residual 0".5.

240P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.95071 TT Pike
q 2.1216352 (2000.0) P Q
n 0.12991831 Peri. 352.07823 +0.37982629 -0.84087336
a 3.8609053 Node 74.91144 +0.86911295 +0.18162966
e 0.4504825 Incl. 23.53674 +0.31681961 +0.50984572
P 7.59
From 783 observations 2020 Mar. 23-2025 Nov. 20, mean residual 0".6.
Nongravitational parameters A1 = -0.10, A2 = +0.4703.

240P/NEAT B
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.86668 TT Pike
q 2.1213641 (2000.0) P Q
n 0.13004160 Peri. 352.02419 +0.38053136 -0.84062621
a 3.8584645 Node 74.91752 +0.86896625 +0.18245360
e 0.4502051 Incl. 23.52590 +0.31637562 +0.50995907
P 7.58
From 126 observations 2025 Oct. 16-Nov. 20, mean residual 0".5.

241P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2021 July 26.08900 TT Pike
q 1.9224570 (2000.0) P Q
n 0.09007794 Peri. 111.68021 +0.49318586 -0.81892057
a 4.9286020 Node 305.36582 +0.60376524 +0.56511149
e 0.6099387 Incl. 21.09420 +0.62628687 +0.10009051
P 10.9
From 674 observations 2010 Aug. 12-2022 Apr. 29, mean residual 0".7.
Nongravitational parameters A1 = -0.13, A2 = +0.4409.

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 +0.89683362 +0.41385747
e 0.2828267 Incl. 32.42826 -0.14111816 -0.06708362
P 13.0
From 1092 observations 2011 July 20-2025 Nov. 19, mean residual 0".7.

243P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 25.58996 TT Pike
q 2.4479946 (2000.0) P Q
n 0.13170522 Peri. 283.78661 +0.97177644 -0.19490131
a 3.8259039 Node 87.57598 +0.23248467 +0.88680740
e 0.3601526 Incl. 7.64444 -0.04001774 +0.41902997
P 7.48
From 830 observations 2003 Aug. 1-2025 Nov. 8, mean residual 0".7.

244P/Scotti
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Nov. 20.54388 TT Pike
q 3.9260084 (2000.0) P Q
n 0.09070364 Peri. 93.59268 +0.04188029 -0.99911416
a 4.9059098 Node 354.00241 +0.90033136 +0.03952475
e 0.1997390 Incl. 2.25723 +0.43318529 +0.01444606
P 10.9
From 1917 observations 2000 Nov. 29-2024 May 27, mean residual 0".7.
Nongravitational parameters A1 = +0.09, A2 = -0.0149.

245P/WISE
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 31.14846 TT Pike
q 2.2056017 (2000.0) P Q
n 0.12076066 Peri. 316.70415 +0.09056403 +0.96455964
a 4.0537075 Node 316.66690 -0.78649075 -0.08339018
e 0.4559051 Incl. 21.17095 -0.61092591 +0.25034134
P 8.16
From 103 observations 2002 Aug. 27-2018 Oct. 4, mean residual 0".6.

246P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Oct. 28.95439 TT Pike
q 3.4024520 (2000.0) P Q
n 0.10962817 Peri. 185.07246 -0.19237140 +0.93877703
a 4.3236905 Node 74.06060 -0.88956858 -0.04385416
e 0.2130676 Incl. 17.29218 -0.41431990 -0.34172283
P 8.99
From 4929 observations 2003 Mar. 7-2024 Dec. 7, mean residual 0".6.
Nongravitational parameters A1 = +1.23, A2 = +0.4422.

247P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Oct. 25.96382 TT Pike
q 1.4837123 (2000.0) P Q
n 0.12493175 Peri. 47.50890 -0.18265149 -0.96443805
a 3.9629705 Node 54.00016 +0.81852421 -0.25680976
e 0.6256060 Incl. 13.65898 +0.54466187 +0.06251394
P 7.89
From 1355 observations 2002 Nov. 5-2019 Apr. 8, mean residual 0".6.

248P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 14.94518 TT Pike
q 2.1577336 (2000.0) P Q
n 0.06727951 Peri. 209.99910 +0.53444864 -0.84362575
a 5.9870679 Node 207.79131 +0.79579535 +0.52282812
e 0.6396010 Incl. 6.35115 +0.28473569 +0.12225531
P 14.6
From 198 observations 1996 Sept. 14-2025 Nov. 17, mean residual 0".8.

249P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Feb. 1.75874 TT Pike
q 0.4999461 (2000.0) P Q
n 0.21392344 Peri. 65.85864 +0.56283407 +0.81710287
a 2.7688354 Node 238.97278 -0.80134572 +0.50241042
e 0.8194381 Incl. 8.37031 -0.20263970 +0.28271305
P 4.61
From 824 observations 2006 Oct. 19-2021 Jan. 18, mean residual 0".6.
Nongravitational parameters A1 = -0.00, A2 = -0.0001.

250P/Larson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 16.70569 TT Pike
q 2.2723484 (2000.0) P Q
n 0.13434442 Peri. 45.70294 -0.46687436 -0.85704867
a 3.7756317 Node 73.30008 +0.73269644 -0.51288416
e 0.3981541 Incl. 13.15183 +0.49516084 -0.04916715
P 7.34
From 531 observations 1995 Dec. 22-2025 Feb. 21, mean residual 0".6.

251P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Feb. 13.06522 TT Pike
q 1.7410268 (2000.0) P Q
n 0.14979669 Peri. 31.17673 -0.36055169 +0.89815364
a 3.5112998 Node 219.33668 -0.91648879 -0.39127412
e 0.5041646 Incl. 23.38987 -0.17335161 +0.20056074
P 6.58
From 100 observations 2017 Apr. 2-2024 Sept. 6, mean residual 0".5.
Nongravitational parameters A1 = +0.05, A2 = -0.0925.

252P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Nov. 7.79274 TT Pike
q 1.0035020 (2000.0) P Q
n 0.18489384 Peri. 343.37115 -0.99412513 -0.10268325
a 3.0515542 Node 190.90737 +0.10780335 -0.96761218
e 0.6711505 Incl. 10.42068 -0.00967782 -0.23061402
P 5.33
From 1040 observations 2016 Apr. 5-2021 Aug. 29, mean residual 0".4.
Nongravitational parameters A1 = +0.88, A2 = -0.7614.

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.

254P/McNaught
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2030 Sept. 3.44963 TT Pike
q 3.1498540 (2000.0) P Q
n 0.09923217 Peri. 219.70147 +0.90349573 +0.09930052
a 4.6206285 Node 129.17584 -0.09843766 +0.99486262
e 0.3183062 Incl. 32.53634 -0.41713965 -0.01969209
P 9.93
From 728 observations 2020 July 18-2025 Mar. 31, mean residual 0".5.

255P/Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Sept. 25.06982 TT Pike
q 0.8471961 (2000.0) P Q
n 0.19532454 Peri. 186.03432 -0.19960159 -0.95224131
a 2.9419244 Node 275.64659 +0.90845045 -0.09144780
e 0.7120266 Incl. 13.42673 +0.36725603 -0.29133105
P 5.05
From 516 observations 2006 Oct. 2-2012 Feb. 15, mean residual 0".9.
Nongravitational parameters A1 = +0.78, A2 = -0.4432.

256P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Mar. 12.00682 TT Pike
q 2.6962810 (2000.0) P Q
n 0.09879817 Peri. 124.04515 -0.81025581 +0.36526190
a 4.6341503 Node 81.31722 -0.55889345 -0.71696260
e 0.4181714 Incl. 27.62268 +0.17641892 -0.59375784
P 9.98
From 221 observations 2003 Jan. 27-2023 July 8, mean residual 0".8.

257P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Jan. 1.65229 TT Pike
q 2.1530579 (2000.0) P Q
n 0.13471936 Peri. 117.69903 +0.79806772 +0.58072062
a 3.7686230 Node 207.73194 -0.59798390 +0.79613157
e 0.4286884 Incl. 20.21370 +0.07418334 +0.17011198
P 7.32
From 2130 observations 2005 Apr. 17-2021 Dec. 2, mean residual 0".6.
Nongravitational parameters A1 = -0.14, A2 = -0.0302.

258P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Aug. 28.74114 TT Pike
q 3.4673642 (2000.0) P Q
n 0.10723252 Peri. 25.64515 -0.87955720 -0.46624906
a 4.3878493 Node 126.23672 +0.41379015 -0.84796427
e 0.2097805 Incl. 6.75122 +0.23485493 -0.25212778
P 9.19
From 80 observations 2002 Mar. 11-2021 May 18, mean residual 0".2.

259P/Garradd
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Aug. 12.00007 TT Pike
q 1.8050068 (2000.0) P Q
n 0.21854301 Peri. 257.39447 +0.59783424 +0.77248084
a 2.7296781 Node 51.43582 -0.58705310 +0.60382655
e 0.3387474 Incl. 15.89662 -0.54585976 +0.19663888
P 4.51
From 76 observations 2008 Sept. 2-2017 Sept. 21, mean residual 0".8.

260P/McNaught
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Aug. 5.00561 TT Pike
q 1.4178410 (2000.0) P Q
n 0.14288828 Peri. 18.51476 +0.98874592 -0.14159908
a 3.6235838 Node 349.27600 +0.08179039 +0.78186539
e 0.6087186 Incl. 15.03890 +0.12526709 +0.60715419
P 6.90
From 6724 observations 2005 May 20-2020 Mar. 10, mean residual 0".4.
Nongravitational parameters A1 = +0.01, A2 = -0.0016.

261P/Larson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 27.41379 TT Pike
q 2.0141980 (2000.0) P Q
n 0.15124296 Peri. 67.36681 +0.99478359 +0.02560540
a 3.4888792 Node 291.05041 -0.06589404 +0.90022425
e 0.4226805 Incl. 6.07342 +0.07786906 +0.43467305
P 6.52
From 1166 observations 2005 July 3-2025 Nov. 16, mean residual 0".8.
Nongravitational parameters A1 = +0.34, A2 = +0.0854.

262P/McNaught-Russell
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2030 Dec. 15.64004 TT Pike
q 1.2656647 (2000.0) P Q
n 0.05473988 Peri. 171.09564 +0.86290432 -0.40674130
a 6.8696326 Node 217.85680 +0.42835008 +0.90358575
e 0.8157595 Incl. 29.25721 +0.26816476 -0.13451507
P 18.0
From 1339 observations 1994 Dec. 12-2013 Apr. 22, mean residual 0".6.

263P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 May 20.72147 TT Pike
q 1.2339110 (2000.0) P Q
n 0.18589323 Peri. 35.02705 -0.76081439 -0.61974536
a 3.0406073 Node 105.50400 +0.54042357 -0.76930705
e 0.5941893 Incl. 11.52676 +0.35931020 -0.15518490
P 5.30
From 773 observations 2006 Nov. 10-2023 July 8, mean residual 0".5.

264P/Larsen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Mar. 22.85598 TT Pike
q 2.6773475 (2000.0) P Q
n 0.12139251 Peri. 341.37741 -0.91771338 +0.29002953
a 4.0396288 Node 219.00889 -0.28708197 -0.95652426
e 0.3372293 Incl. 25.54726 -0.27456527 +0.03072815
P 8.12
From 114 observations 2004 Apr. 22-2019 June 24, mean residual 0".7.

265P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Nov. 26.48078 TT Pike
q 1.5064741 (2000.0) P Q
n 0.11203910 Peri. 33.60427 +0.95383207 -0.29136473
a 4.2614393 Node 342.87887 +0.19071789 +0.77503373
e 0.6464870 Incl. 14.33249 +0.23201524 +0.56073997
P 8.80
From 554 observations 2003 July 29-2012 June 23, mean residual 0".9.

266P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Dec. 7.86607 TT Pike
q 2.3261284 (2000.0) P Q
n 0.14873427 Peri. 97.80721 -0.22122273 -0.97520948
a 3.5280009 Node 4.98270 +0.86953019 -0.19965568
e 0.3406667 Incl. 3.42839 +0.44156286 -0.09541533
P 6.63
From 140 observations 2020 Jan. 1-2025 Oct. 2, mean residual 0".6.
Nongravitational parameters A1 = +3.47, A2 = +4.3480.

267P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Apr. 25.09187 TT Pike
q 1.2329752 (2000.0) P Q
n 0.17170007 Peri. 114.24506 +0.95073396 +0.29950027
a 3.2059425 Node 228.43317 -0.30877945 +0.89190983
e 0.6154094 Incl. 6.14031 -0.02757144 +0.33881623
P 5.74
From 197 observations 2006 Aug. 29-2018 Nov. 17, mean residual 0".5.
Nongravitational parameters A1 = -0.05, A2 = -0.0034.

268P/Bernardi
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 18.53246 TT Pike
q 2.4129445 (2000.0) P Q
n 0.10015939 Peri. 0.03707 -0.58305622 -0.78224230
a 4.5920674 Node 125.63009 +0.74532212 -0.62249852
e 0.4745407 Incl. 15.66128 +0.32332706 +0.02434278
P 9.84
From 138 observations 2024 Nov. 8-2025 Apr. 4, mean residual 0".3.
Nongravitational parameters A1 = +0.62, A2 = +0.0144.

269P/Jedicke
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2033 July 11.63797 TT Pike
q 3.9966882 (2000.0) P Q
n 0.05257258 Peri. 225.77151 -0.29630694 -0.94889563
a 7.0571583 Node 241.75364 +0.90766937 -0.24437468
e 0.4336689 Incl. 7.08305 +0.29721794 -0.19969504
P 18.7
From 905 observations 1993 Oct. 12-2017 Mar. 21, mean residual 0".6.

270P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2030 Aug. 17.04537 TT Pike
q 3.5222890 (2000.0) P Q
n 0.05750214 Peri. 209.94818 +0.29313106 -0.95543795
a 6.6478321 Node 223.03291 +0.88700031 +0.28536514
e 0.4701598 Incl. 2.92483 +0.35679776 +0.07553178
P 17.1
From 382 observations 1997 Feb. 1-2014 Mar. 28, mean residual 0".8.

271P/van Houten-Lemmon
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2032 Mar. 22.68375 TT Pike
q 4.2500968 (2000.0) P Q
n 0.05284672 Peri. 36.68333 +0.69647352 -0.71732660
a 7.0327317 Node 9.22671 +0.62670382 +0.59504428
e 0.3956691 Incl. 6.86374 +0.34952390 +0.36244290
P 18.7
From 97 observations 1960 Sept. 24-2015 Jan. 20, mean residual 0".4.

272P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 July 17.77495 TT Pike
q 2.4289953 (2000.0) P Q
n 0.10456949 Peri. 27.89801 -0.71355976 -0.63651760
a 4.4620323 Node 109.43913 +0.57104728 -0.77046592
e 0.4556303 Incl. 18.08346 +0.40587865 -0.03503727
P 9.43
From 190 observations 2003 Dec. 1-2023 Feb. 14, mean residual 0".7.

274P/Tombaugh-Tenagra
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Apr. 9.46072 TT Pike
q 2.4506184 (2000.0) P Q
n 0.10757187 Peri. 38.51047 -0.47406699 -0.83823534
a 4.3786163 Node 81.31635 +0.72515935 -0.54529459
e 0.4403213 Incl. 15.81961 +0.49940405 -0.00391313
P 9.16
From 916 observations 1931 Jan. 12-2023 May 21, mean residual 0".7.

275P/Hermann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Oct. 27.94011 TT Pike
q 1.6590780 (2000.0) P Q
n 0.07057640 Peri. 173.84247 -0.95548601 -0.28639712
a 5.7991328 Node 348.72299 +0.25286680 -0.67117588
e 0.7139093 Incl. 21.24958 +0.15200285 -0.68373944
P 14.0
From 149 observations 1999 Feb. 15-2013 Mar. 18, mean residual 0".8.

276P/Vorobjov
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 11.96733 TT Pike
q 3.8985061 (2000.0) P Q
n 0.07893172 Peri. 199.65517 +0.63883318 -0.75805830
a 5.3823053 Node 211.06413 +0.73552443 +0.65183496
e 0.2756810 Incl. 14.74155 +0.22560137 +0.02141948
P 12.5
From 1170 observations 2000 Dec. 19-2025 Nov. 20, mean residual 0".6.

277P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 July 26.06549 TT Pike
q 1.9023771 (2000.0) P Q
n 0.13029147 Peri. 152.44914 +0.34350070 -0.89416156
a 3.8535298 Node 276.25962 +0.79973037 +0.43882146
e 0.5063287 Incl. 16.79331 +0.49238054 -0.08894284
P 7.56
From 833 observations 2005 Sept. 15-2021 Mar. 18, mean residual 0".6.
Nongravitational parameters A1 = +1.23, A2 = -0.0389.

278P/McNaught
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Sept. 14.83521 TT Pike
q 1.9763415 (2000.0) P Q
n 0.14295862 Peri. 242.58949 -0.28135454 +0.95934474
a 3.6223952 Node 11.13789 -0.83461883 -0.23317484
e 0.4544103 Incl. 6.62920 -0.47355151 -0.15901941
P 6.89
From 519 observations 2006 May 22-2021 Sept. 11, mean residual 0".6.

279P/La Sagra
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Apr. 18.62113 TT Pike
q 2.1415965 (2000.0) P Q
n 0.14630229 Peri. 5.58883 +0.98939072 +0.14372779
a 3.5669907 Node 346.09370 -0.13647115 +0.86950772
e 0.3996069 Incl. 5.05431 -0.04981585 +0.47254486
P 6.74
From 295 observations 2002 July 11-2024 Jan. 2, mean residual 0".6.

280P/Larsen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Aug. 4.36743 TT Pike
q 2.6374048 (2000.0) P Q
n 0.10245121 Peri. 104.60059 -0.54421088 +0.82485471
a 4.5233271 Node 131.37870 -0.82664619 -0.49607857
e 0.4169326 Incl. 11.77554 -0.14314535 -0.27114710
P 9.62
From 170 observations 2004 Apr. 19-2023 Apr. 28, mean residual 0".8.

281P/MOSS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Feb. 4.90524 TT Pike
q 4.0379472 (2000.0) P Q
n 0.09119789 Peri. 27.10342 -0.40950182 -0.90860370
a 4.8881688 Node 87.16698 +0.82141630 -0.40638400
e 0.1739346 Incl. 4.71757 +0.39696790 -0.09639175
P 10.8
From 101 observations 2000 Nov. 17-2023 Feb. 20, mean residual 0".6.

283P/Spacewatch
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2030 Jan. 31.56178 TT Pike
q 2.1262606 (2000.0) P Q
n 0.11739132 Peri. 22.14643 -0.99450022 +0.06659884
a 4.1309067 Node 161.12658 -0.07947072 -0.98254100
e 0.4852799 Incl. 14.47073 +0.06821810 -0.17371751
P 8.40
From 114 observations 1996 Feb. 17-2020 Dec. 6, mean residual 0".6.

284P/McNaught
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Oct. 1.64814 TT Pike
q 2.3027474 (2000.0) P Q
n 0.13964594 Peri. 202.44723 +0.96845558 +0.21840901
a 3.6794579 Node 144.26056 -0.18581271 +0.95373633
e 0.3741612 Incl. 11.85187 -0.16603441 +0.20660230
P 7.06
From 2559 observations 2007 Apr. 17-2024 Feb. 4, mean residual 0".6.
Nongravitational parameters A1 = +0.35, A2 = +0.0064.

285P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Jan. 11.57412 TT Pike
q 1.7212497 (2000.0) P Q
n 0.10307492 Peri. 178.37679 +0.99743585 -0.05888200
a 4.5050613 Node 185.51702 +0.05996614 +0.99786263
e 0.6179298 Incl. 25.03027 +0.03906131 -0.02833873
P 9.56
From 899 observations 2003 Sept. 19-2023 Jan. 9, mean residual 0".8.

286P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 May 14.08359 TT Pike
q 2.2947061 (2000.0) P Q
n 0.12037350 Peri. 23.59063 +0.58673853 +0.75674679
a 4.0623948 Node 283.58303 -0.78213726 +0.43740222
e 0.4351346 Incl. 17.24846 -0.20975988 +0.48581230
P 8.19
From 470 observations 2005 June 3-2022 Nov. 30, mean residual 0".5.

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.

289P/Blanpain
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Apr. 14.31252 TT Pike
q 0.9544030 (2000.0) P Q
n 0.18562082 Peri. 9.87805 +0.19561485 -0.97598078
a 3.0435814 Node 68.89083 +0.89259685 +0.13668723
e 0.6864211 Incl. 5.90017 +0.40620892 +0.16964113
P 5.31
From 348 observations 2013 July 4-2024 July 15, mean residual 0".7.

290P/Jager
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 July 22.51415 TT Pike
q 2.3111848 (2000.0) P Q
n 0.06363641 Peri. 181.89748 -0.56535099 -0.77287768
a 6.2134425 Node 302.64621 +0.76122154 -0.35431759
e 0.6280347 Incl. 20.01280 +0.31767912 -0.52642107
P 15.5
From 3753 observations 1998 Oct. 24-2015 Apr. 24, mean residual 0".6.
Nongravitational parameters A1 = +0.40, A2 = -0.9635.

291P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 May 3.89523 TT Pike
q 2.5685353 (2000.0) P Q
n 0.10203425 Peri. 173.58217 +0.62538682 -0.77477043
a 4.5356416 Node 237.66523 +0.71094991 +0.61479254
e 0.4336997 Incl. 6.30932 +0.32162331 +0.14751579
P 9.66
From 793 observations 2003 July 29-2024 Feb. 3, mean residual 0".8.

292P/Li
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Mar. 3.96364 TT Pike
q 2.5003719 (2000.0) P Q
n 0.06549944 Peri. 319.67063 +0.57775547 -0.70470138
a 6.0950551 Node 90.89528 +0.81382802 +0.45885043
e 0.5897704 Incl. 24.32229 +0.06231030 +0.54115825
P 15.0
From 501 observations 1998 Sept. 23-2018 Apr. 23, mean residual 0".6.

293P/Spacewatch
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Nov. 29.04445 TT Pike
q 2.1107479 (2000.0) P Q
n 0.14209795 Peri. 40.97858 -0.48244197 -0.86223436
a 3.6370073 Node 78.39219 +0.75695766 -0.49902457
e 0.4196471 Incl. 9.06176 +0.44075486 -0.08675474
P 6.94
From 459 observations 2006 Nov. 15-2022 May 21, mean residual 0".6.

294P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 11.19668 TT Pike
q 1.2730543 (2000.0) P Q
n 0.17294957 Peri. 237.58958 -0.96119681 +0.14478395
a 3.1904827 Node 309.59922 +0.01101098 -0.83038735
e 0.6009838 Incl. 17.74304 -0.27564371 -0.53804689
P 5.70
From 50 observations 2020 June 24-2025 Apr. 18, mean residual 0".3.

295P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 22.75468 TT Pike
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.

296P/Garradd
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Mar. 20.36155 TT Pike
q 1.7779676 (2000.0) P Q
n 0.15279096 Peri. 350.48885 -0.26015114 +0.86679864
a 3.4652742 Node 263.49179 -0.85536623 -0.41129121
e 0.4869186 Incl. 25.35202 -0.44796205 +0.28195682
P 6.45
From 334 observations 2001 June 30-2021 June 18, mean residual 0".7.

297P/Beshore
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Oct. 26.28125 TT Pike
q 2.5765061 (2000.0) P Q
n 0.14595817 Peri. 144.86712 -0.56363635 +0.80237767
a 3.5725950 Node 90.04556 -0.79566420 -0.46356861
e 0.2788138 Incl. 11.31628 -0.22188408 -0.37589123
P 6.75
From 573 observations 2001 Mar. 20-2014 June 18, mean residual 0".7.

298P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 June 24.66341 TT Pike
q 2.1990537 (2000.0) P Q
n 0.14502940 Peri. 100.63461 -0.88690953 -0.44887947
a 3.5878313 Node 52.78236 +0.35187639 -0.80947159
e 0.3870800 Incl. 7.87298 +0.29928996 -0.37850094
P 6.80
From 145 observations 2007 Feb. 9-2014 Apr. 1, mean residual 0".5.

299P/Catalina-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Apr. 29.85591 TT Pike
q 3.1551298 (2000.0) P Q
n 0.10722685 Peri. 323.57919 -0.56143885 +0.80733952
a 4.3880039 Node 271.57863 -0.70984344 -0.58267100
e 0.2809647 Incl. 10.46871 -0.42533364 -0.09325992
P 9.19
From 881 observations 2005 Mar. 11-2025 Sept. 19, mean residual 0".7.