Коррекция орбиты некоторых периодических комет от 6 декабря ..

[Gremlin]

Коррекция орбиты некоторых периодических комет от 6 декабря 2023 года, MPEC 2023-X98

Orbital elements:
2P/Encke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 22.52791 TT Rudenko
q 0.3396000 (2000.0) P Q
n 0.29823173 Peri. 187.28596 -0.94616112 -0.31203234
a 2.2187080 Node 334.02026 +0.30601978 -0.77555655
e 0.8469379 Incl. 11.33672 +0.10550373 -0.54876940
P 3.30
From 3524 observations 2009 Aug. 22-2023 Oct. 13, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.

9P/Tempel
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Mar. 6.54286 TT Rudenko
q 1.5468526 (2000.0) P Q
n 0.17537504 Peri. 180.16538 -0.36701689 +0.91455442
a 3.1609978 Node 68.30565 -0.85324475 -0.25820484
e 0.5106442 Incl. 10.54011 -0.37050235 -0.31132054
P 5.62
From 2421 observations 2015 Nov. 11-2023 Nov. 19, mean residual 0".5.
Nongravitational parameters A1 = -0.07, A2 = +0.0151.

12P/Pons-Brooks
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 21.12930 TT Rudenko
q 0.7808756 (2000.0) P Q
n 0.01382944 Peri. 198.98691 +0.14513435 -0.32931155
a 17.1896247 Node 255.85479 +0.98565565 +0.13021420
e 0.9545729 Incl. 74.19077 +0.08613344 -0.93519953
P 71.3
From 5459 observations 2023 Feb. 27-Dec. 5, mean residual 0".6.

13P/Olbers
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 June 30.03152 TT Rudenko
q 1.1752695 (2000.0) P Q
n 0.01418103 Peri. 64.40063 -0.60892380 -0.37149733
a 16.9043154 Node 85.87521 +0.18566883 -0.92575740
e 0.9304752 Incl. 44.64224 +0.77119316 -0.07044832
P 69.5
From 277 observations 1956 Jan. 13-2023 Dec. 5, mean residual 0".6.
Nongravitational parameters A1 = +0.24, A2 = +0.0647.

22P/Kopff
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Mar. 18.27738 TT Rudenko
q 1.5465599 (2000.0) P Q
n 0.15470425 Peri. 162.96368 +0.23675666 +0.96896101
a 3.4366441 Node 120.68060 -0.90075971 +0.24635331
e 0.5499796 Incl. 4.74481 -0.36411294 +0.02060580
P 6.37
From 5028 observations 2008 Jan. 30-2023 Dec. 4, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0395.

29P/Schwassmann-Wachmann
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2019 Apr. 28.45780 TT Rudenko
q 5.7814816 (2000.0) P Q
n 0.06622374 Peri. 51.58131 +0.98987801 -0.07559424
a 6.0505324 Node 312.40299 +0.00659944 +0.86993765
e 0.0444673 Incl. 9.36142 +0.14176734 +0.48733356
P 14.9
From 17138 observations 2018 June 18-2023 Dec. 5, mean residual 0".6.

30P/Reinmuth
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Aug. 17.10186 TT Rudenko
q 1.8120905 (2000.0) P Q
n 0.13639210 Peri. 9.43772 -0.59708771 -0.79246809
a 3.7377471 Node 117.32650 +0.72654555 -0.59999434
e 0.5151918 Incl. 8.05073 +0.34002622 -0.10954960
P 7.23
From 856 observations 2011 Apr. 12-2023 Dec. 5, mean residual 0".7.

32P/Comas Sola
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 20.55674 TT Rudenko
q 2.0243655 (2000.0) P Q
n 0.10124746 Peri. 54.66673 -0.31887750 -0.93735415
a 4.5591089 Node 54.52987 +0.80406955 -0.34591163
e 0.5559734 Incl. 9.91990 +0.50178610 -0.04138047
P 9.73
From 3879 observations 2004 July 20-2023 Dec. 5, mean residual 0".8.
Nongravitational parameters A1 = -0.07, A2 = -0.1014.

49P/Arend-Rigaux
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Apr. 10.71269 TT Rudenko
q 1.4321263 (2000.0) P Q
n 0.14616343 Peri. 332.92486 -0.05181630 -0.95678938
a 3.5692494 Node 118.79183 +0.96516016 -0.12156189
e 0.5987598 Incl. 19.05587 +0.25647793 +0.26415296
P 6.74
From 3458 observations 2004 June 24-2023 Oct. 24, mean residual 0".6.
Nongravitational parameters A1 = -0.03, A2 = -0.0003.

52P/Harrington-Abell
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 Oct. 5.28254 TT Rudenko
q 1.7752391 (2000.0) P Q
n 0.12980470 Peri. 139.55359 -0.44818990 -0.89119874
a 3.8631576 Node 336.81400 +0.76749420 -0.34350544
e 0.5404694 Incl. 10.23129 +0.45834318 -0.29625801
P 7.59
From 1680 observations 1983 Sept. 18-2022 May 26, mean residual 0".7.
Nongravitational parameters A1 = -0.15, A2 = +0.0084.

62P/Tsuchinshan
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 25.09594 TT Rudenko
q 1.2650445 (2000.0) P Q
n 0.15925937 Peri. 47.28239 -0.43529829 -0.89699261
a 3.3707980 Node 68.67080 +0.79997907 -0.42458587
e 0.6247047 Incl. 4.73784 +0.41297564 -0.12300853
P 6.19
From 442 observations 2023 Aug. 29-Dec. 5, mean residual 0".5.
Nongravitational parameters A1 = -3.10, A2 = +1.1667.

65P/Gunn
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 June 17.06021 TT Rudenko
q 2.9243635 (2000.0) P Q
n 0.12846469 Peri. 213.82800 +0.09488402 +0.98548492
a 3.8899755 Node 61.97870 -0.87439142 +0.15009928
e 0.2482309 Incl. 9.17582 -0.47585362 -0.07930748
P 7.67
From 2174 observations 2013 Jan. 1-2023 Nov. 19, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0209.

71P/Clark
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Jan. 22.83674 TT Rudenko
q 1.5891012 (2000.0) P Q
n 0.17719562 Peri. 209.09904 -0.03205296 +0.98947163
a 3.1393090 Node 59.38893 -0.88236437 +0.03831297
e 0.4938054 Incl. 9.43830 -0.46947387 -0.13956367
P 5.56
From 1389 observations 2016 Feb. 12-2023 Nov. 19, mean residual 1".1.
Nongravitational parameters A1 = +2.87, A2 = -0.4784.

74P/Smirnova-Chernykh
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 May 16.88222 TT Rudenko
q 4.4834505 (2000.0) P Q
n 0.09513673 Peri. 136.93186 -0.97926898 +0.18096308
a 4.7523006 Node 53.71350 -0.20252924 -0.86634135
e 0.0565726 Incl. 6.48358 -0.00376373 -0.46551587
P 10.4
From 1798 observations 2018 Jan. 1-2023 Dec. 4, mean residual 0".5.
Nongravitational parameters A1 = -2.13, A2 = -0.3623.

103P/Hartley
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 12.51250 TT Rudenko
q 1.0640923 (2000.0) P Q
n 0.15210805 Peri. 181.30134 +0.75452907 -0.63878317
a 3.4756384 Node 219.75001 +0.60421872 +0.76566944
e 0.6938426 Incl. 13.61045 +0.25613595 +0.07554061
P 6.48
From 8369 observations 2004 Sept. 20-2023 Dec. 3, mean residual 0".6.
Nongravitational parameters A1 = +0.16, A2 = +0.0244.

117P/Helin-Roman-Alu
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 July 8.95457 TT Rudenko
q 3.0414843 (2000.0) P Q
n 0.11925406 Peri. 223.20646 +0.20166247 +0.97085921
a 4.0877777 Node 58.82266 -0.85237720 +0.23907663
e 0.2559565 Incl. 8.70436 -0.48247835 -0.01657609
P 8.26
From 4732 observations 2010 Nov. 3-2023 Nov. 29, mean residual 0".7.
Nongravitational parameters A1 = +0.40, A2 = +0.0433.

118P/Shoemaker-Levy
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Nov. 24.38643 TT Rudenko
q 1.8290365 (2000.0) P Q
n 0.16092554 Peri. 314.85700 -0.12776697 -0.98594560
a 3.3474908 Node 142.09456 +0.95220384 -0.15230292
e 0.4536097 Incl. 10.09091 +0.27745892 +0.06866654
P 6.12
From 1824 observations 2015 Sept. 15-2023 June 17, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0051.

121P/Shoemaker-Holt
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 June 28.86707 TT Rudenko
q 3.7302968 (2000.0) P Q
n 0.10040829 Peri. 11.67794 -0.25977901 -0.90238650
a 4.5844757 Node 94.11448 +0.85591339 -0.38002390
e 0.1863199 Incl. 20.16411 +0.44713211 +0.20317591
P 9.82
From 133 observations 2012 Oct. 22-2023 Nov. 23, mean residual 0".3.

126P/IRAS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 5.32153 TT Rudenko
q 1.7105184 (2000.0) P Q
n 0.07362511 Peri. 356.59239 +0.99600447 +0.08522638
a 5.6379176 Node 357.87027 -0.05500728 +0.35017888
e 0.6966046 Incl. 45.87322 -0.07035124 +0.93279752
P 13.4
From 1453 observations 2009 May 27-2023 Dec. 4, mean residual 0".6.
Nongravitational parameters A1 = +0.04, A2 = +0.1050.

143P/Kowal-Mrkos
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2027 Feb. 21.16472 TT Rudenko
q 2.4807396 (2000.0) P Q
n 0.11201673 Peri. 320.54354 -0.90370592 +0.42147014
a 4.2620066 Node 244.53767 -0.36869939 -0.85554180
e 0.4179409 Incl. 4.78764 -0.21766114 -0.30068446
P 8.80
From 755 observations 2015 Jan. 22-2023 Nov. 19, mean residual 0".4.

144P/Kushida
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 25.76826 TT Rudenko
q 1.3987738 (2000.0) P Q
n 0.13135497 Peri. 216.32135 -0.15949512 -0.98530917
a 3.8327019 Node 242.92828 +0.92112429 -0.12629061
e 0.6350424 Incl. 3.93141 +0.35509345 -0.11496314
P 7.50
From 904 observations 2016 July 31-2023 Dec. 5, mean residual 0".6.
Nongravitational parameters A1 = +0.53, A2 = -0.0877.

150P/LONEOS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Mar. 12.43654 TT Rudenko
q 1.7457277 (2000.0) P Q
n 0.12945489 Peri. 246.09691 -0.88075322 -0.35104456
a 3.8701139 Node 272.05948 +0.45860872 -0.79964962
e 0.5489208 Incl. 18.54659 -0.11811778 -0.48716343
P 7.61
From 631 observations 1978 Mar. 6-2023 Nov. 23, mean residual 0".5.

170P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 18.93392 TT Rudenko
q 2.9233115 (2000.0) P Q
n 0.11398471 Peri. 225.31542 +0.98323396 -0.14833068
a 4.2128078 Node 142.83271 +0.17161410 +0.94934165
e 0.3060895 Incl. 10.11102 -0.06164074 +0.27703510
P 8.65
From 506 observations 2021 June 30-2023 Dec. 4, mean residual 0".5.

172P/Yeung
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Nov. 3.94085 TT Rudenko
q 3.3561189 (2000.0) P Q
n 0.11374648 Peri. 209.14917 -0.50442885 +0.85765526
a 4.2186879 Node 30.87417 -0.74969442 -0.37763225
e 0.2044638 Incl. 11.22535 -0.42838045 -0.34902914
P 8.66
From 320 observations 2012 Sept. 15-2023 Nov. 23, mean residual 0".3.

195P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 July 27.68290 TT Rudenko
q 4.4538606 (2000.0) P Q
n 0.05943889 Peri. 249.52377 -0.51440206 -0.67496474
a 6.5026286 Node 243.10408 +0.82030265 -0.56711215
e 0.3150677 Incl. 36.37965 -0.24998817 -0.47202373
P 16.6
From 386 observations 1993 Feb. 26-2023 Dec. 4, mean residual 0".7.

202P/Scotti
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 May 17.15673 TT Rudenko
q 3.0692109 (2000.0) P Q
n 0.11809440 Peri. 274.44220 -0.03118241 -0.99951221
a 4.1144947 Node 177.34286 +0.93122077 -0.02968158
e 0.2540491 Incl. 2.14195 +0.36311918 -0.00971334
P 8.35
From 460 observations 2001 Dec. 10-2023 Dec. 4, mean residual 0".7.
Nongravitational parameters A1 = +0.08, A2 = +0.0157.

207P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 31.81159 TT Rudenko
q 0.9381245 (2000.0) P Q
n 0.12882654 Peri. 272.98746 -0.35586525 -0.93290554
a 3.8826879 Node 198.16099 +0.91227854 -0.33396774
e 0.7583827 Incl. 10.20114 +0.20275056 -0.13473235
P 7.65
From 289 observations 2000 Oct. 7-2023 Dec. 3, mean residual 0".9.

209P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 July 14.52372 TT Rudenko
q 0.9649864 (2000.0) P Q
n 0.19363734 Peri. 152.47179 -0.78873148 +0.52322635
a 2.9589887 Node 62.76724 -0.60933155 -0.59594829
e 0.6738796 Incl. 21.28035 -0.08134930 -0.60916322
P 5.09
From 2435 observations 2009 Jan. 1-2023 Dec. 5, mean residual 0".4.

226P/Pigott-LINEAR-Kowalski
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 27.24029 TT Rudenko
q 1.7737400 (2000.0) P Q
n 0.13481589 Peri. 341.07450 +0.74447640 -0.35959057
a 3.7668240 Node 54.01300 +0.66625679 +0.34575362
e 0.5291153 Incl. 44.04485 +0.04309045 +0.86668856
P 7.31
From 193 observations 2017 Jan. 1-2023 Nov. 30, mean residual 0".6.
Nongravitational parameters A1 = -0.16, A2 = +0.0865.

227P/Catalina-LINEAR
Epoch 2024 Feb. 20.0 TT = JDT 2460360.5
T 2024 Mar. 8.24718 TT Rudenko
q 1.6236287 (2000.0) P Q
n 0.15476015 Peri. 105.56706 -0.78709062 -0.61184802
a 3.4358165 Node 36.80950 +0.50395267 -0.71104218
e 0.5274402 Incl. 7.50878 +0.35569660 -0.34649822
P 6.37
From 179 observations 1997 Jan. 15-2023 Dec. 5, mean residual 0".7.

237P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.69014 TT Rudenko
q 1.9870706 (2000.0) P Q
n 0.14986531 Peri. 25.26613 -0.00062717 +0.97546613
a 3.5102279 Node 245.35978 -0.95368748 -0.06680388
e 0.4339198 Incl. 14.01658 -0.30079859 +0.20976908
P 6.58
From 2254 observations 2002 June 18-2023 Nov. 29, mean residual 0".7.

242P/Spahr
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 24.57512 TT Rudenko
q 3.9707458 (2000.0) P Q
n 0.07602164 Peri. 245.00510 +0.41746923 -0.90868411
a 5.5187988 Node 180.37916 +0.89761085 +0.41176660
e 0.2805054 Incl. 32.49008 -0.14147154 -0.06885825
P 13.0
From 522 observations 2011 July 20-2023 Nov. 19, mean residual 0".7.

244P/Scotti
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Nov. 17.91748 TT Rudenko
q 3.9206834 (2000.0) P Q
n 0.09091201 Peri. 93.18918 +0.04893937 -0.99879325
a 4.8984110 Node 354.00102 +0.90001492 +0.04588721
e 0.1996010 Incl. 2.25917 +0.43310285 +0.01750426
P 10.8
From 1799 observations 2000 Nov. 29-2023 Nov. 24, mean residual 0".7.
Nongravitational parameters A1 = +0.08, A2 = -0.0148.

246P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 Mar. 1.77700 TT Rudenko
q 2.8741860 (2000.0) P Q
n 0.12090293 Peri. 179.48771 -0.23757042 +0.93225888
a 4.0505268 Node 76.74852 -0.89220887 -0.09835177
e 0.2904168 Incl. 16.27967 -0.38408805 -0.34816706
P 8.15
From 4965 observations 2003 Mar. 7-2023 Dec. 4, mean residual 0".6.
Nongravitational parameters A1 = +1.24, A2 = +0.4428.

276P/Vorobjov
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 11.99330 TT Rudenko
q 3.8984352 (2000.0) P Q
n 0.08009011 Peri. 199.40804 +0.63847577 -0.75806834
a 5.3302813 Node 211.33996 +0.73561008 +0.65187428
e 0.2686249 Incl. 14.81243 +0.22633271 +0.01980698
P 12.3
From 341 observations 2000 Dec. 19-2023 Nov. 25, mean residual 0".5.

279P/La Sagra
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 19.50075 TT Rudenko
q 2.1479055 (2000.0) P Q
n 0.14573205 Peri. 5.84058 +0.99031084 +0.13727556
a 3.5762894 Node 346.21597 -0.13070704 +0.87040558
e 0.3994039 Incl. 5.04996 -0.04690537 +0.47281026
P 6.76
From 297 observations 2002 July 12-2023 Dec. 3, mean residual 0".6.

310P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 23.71886 TT Rudenko
q 2.4166811 (2000.0) P Q
n 0.11497713 Peri. 31.62291 +0.76202895 -0.64658491
a 4.1885311 Node 8.92124 +0.53662570 +0.60013376
e 0.4230242 Incl. 13.12386 +0.36241514 +0.47092189
P 8.57
From 491 observations 2006 Aug. 29-2023 Dec. 5, mean residual 0".5.

323P/SOHO
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Mar. 14.31166 TT Rudenko
q 0.0395988 (2000.0) P Q
n 0.23737658 Peri. 353.14147 +0.73658127 +0.67416253
a 2.5833156 Node 324.27390 -0.61603366 +0.63555960
e 0.9846713 Incl. 5.33986 -0.27919628 +0.37625639
P 4.15
From 202 observations 1999 Dec. 12-2021 Mar. 26, mean residual 0".1.

326P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 30.49578 TT Rudenko
q 2.7697142 (2000.0) P Q
n 0.12025034 Peri. 278.65668 +0.94763866 -0.31650579
a 4.0651681 Node 99.80339 +0.30732626 +0.86771312
e 0.3186717 Incl. 2.47110 +0.08678440 +0.38327278
P 8.20
From 296 observations 1990 Sept. 24-2023 Dec. 1, mean residual 0".8.

347P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 20.04071 TT Rudenko
q 2.2125091 (2000.0) P Q
n 0.14387580 Peri. 98.43487 +0.97946498 +0.01276664
a 3.6069840 Node 261.00771 -0.08610726 +0.92888382
e 0.3866041 Incl. 11.75420 +0.18230164 +0.37015113
P 6.85
From 302 observations 2002 July 12-2023 Dec. 4, mean residual 0".5.

358P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Nov. 10.89677 TT Rudenko
q 2.3948078 (2000.0) P Q
n 0.17639947 Peri. 299.72194 +0.88716868 -0.41992836
a 3.1487477 Node 85.68917 +0.46108129 +0.79025035
e 0.2394412 Incl. 11.05976 +0.01832407 +0.44627856
P 5.59
From 252 observations 2001 Dec. 9-2023 Dec. 5, mean residual 0".4.
Nongravitational parameters A1 = +0.19, A2 = -0.0226.

364P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.02139 TT Rudenko
q 0.8013507 (2000.0) P Q
n 0.20168571 Peri. 212.02801 -0.21346323 +0.96511314
a 2.8797357 Node 46.14753 -0.84612176 -0.10505166
e 0.7217277 Incl. 12.13766 -0.48837630 -0.23983490
P 4.89
From 1536 observations 2013 Feb. 1-2023 Nov. 19, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = -0.0004.

378P/McNaught
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2020 Oct. 14.18461 TT Rudenko
q 3.3660585 (2000.0) P Q
n 0.06219937 Peri. 193.50937 +0.28702928 +0.90061048
a 6.3087800 Node 93.93939 -0.84567619 +0.39826527
e 0.4664486 Incl. 19.09523 -0.44993996 -0.17402740
P 15.8
From 724 observations 2003 May 30-2023 Dec. 4, mean residual 0".6.

399P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2021 May 23.00426 TT Rudenko
q 2.0956920 (2000.0) P Q
n 0.13344888 Peri. 214.36760 +0.48410901 -0.86867492
a 3.7925043 Node 207.13093 +0.84562571 +0.49532671
e 0.4474121 Incl. 13.32247 +0.22484579 +0.00743776
P 7.39
From 410 observations 2013 July 16-2022 Mar. 7, mean residual 0".9.
Nongravitational parameters A1 = -1.53, A2 = -0.0408.

404P/Bressi
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Nov. 3.94751 TT Rudenko
q 4.1326712 (2000.0) P Q
n 0.09554031 Peri. 169.33922 +0.34945946 -0.92186208
a 4.7389081 Node 260.04418 +0.84663918 +0.38725659
e 0.1279275 Incl. 9.78997 +0.40134795 -0.01423497
P 10.3
From 417 observations 2011 Oct. 24-2023 Dec. 3, mean residual 1".1.

408P/Novichonok-Gerke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Oct. 5.41083 TT Rudenko
q 3.4679629 (2000.0) P Q
n 0.09543554 Peri. 226.52373 +0.56643262 -0.82231270
a 4.7423756 Node 189.44093 +0.81885901 +0.56903283
e 0.2687288 Incl. 19.35691 +0.09286547 -0.00186202
P 10.3
From 1493 observations 2011 Sept. 7-2023 Nov. 21, mean residual 0".6.

426P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Sept. 12.16496 TT Rudenko
q 2.6737872 (2000.0) P Q
n 0.17294465 Peri. 118.77234 +0.73381512 -0.60946566
a 3.1905432 Node 280.42876 +0.46654925 +0.77322447
e 0.1619649 Incl. 17.76734 +0.49380884 +0.17514433
P 5.70
From 83 observations 2019 Jan. 8-2023 Dec. 3, mean residual 0".4.

465P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 9.90206 TT Rudenko
q 2.3298395 (2000.0) P Q
n 0.06640598 Peri. 141.24262 +0.96127852 +0.06114610
a 6.0394573 Node 218.01145 -0.07524854 +0.99625913
e 0.6142303 Incl. 25.87090 +0.26510613 +0.06106466
P 14.8
From 107 observations 2009 Jan. 1-2023 Nov. 19, mean residual 1".0.

468P/Siding Spring
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Nov. 20.98585 TT Rudenko
q 3.9498824 (2000.0) P Q
n 0.05183178 Peri. 322.54352 +0.76583308 +0.64092573
a 7.1242412 Node 356.12571 -0.21721550 +0.18159246
e 0.4455715 Incl. 50.44443 -0.60524137 +0.74581391
P 19.0
From 158 observations 2004 Nov. 3-2023 Nov. 15, mean residual 0".6.

470P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 18.40597 TT Rudenko
q 2.7285933 (2000.0) P Q
n 0.10415450 Peri. 152.07802 +0.77999596 -0.60979620
a 4.4738768 Node 246.19375 +0.54172510 +0.77040789
e 0.3901054 Incl. 8.83694 +0.31327339 +0.18606524
P 9.46
From 152 observations 2014 Nov. 17-2023 Nov. 9, mean residual 0".4.

471P
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 20.30241 TT Rudenko
q 2.1233965 (2000.0) P Q
n 0.07232122 Peri. 94.95644 +0.94602024 -0.31375412
a 5.7054806 Node 283.34690 +0.25429737 +0.87399838
e 0.6278321 Incl. 4.79100 +0.20094417 +0.37105955
P 13.6
From 661 observations 1996 June 23-2023 Dec. 3, mean residual 0".6.