Коррекция орбиты некоторых периодических комет от 14 октября ..

[Gremlin]

Коррекция орбиты некоторых периодических комет от 14 октября 2023 года, MPEC 2023-T226

Orbital elements:
2P/Encke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 22.52790 TT Rudenko
q 0.3396000 (2000.0) P Q
n 0.29823173 Peri. 187.28597 -0.94616112 -0.31203233
a 2.2187080 Node 334.02025 +0.30601978 -0.77555659
e 0.8469379 Incl. 11.33672 +0.10550370 -0.54876936
P 3.30
From 3483 observations 2009 Aug. 22-2023 Oct. 9, 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. 6.54289 TT Rudenko
q 1.5468526 (2000.0) P Q
n 0.17537515 Peri. 180.16540 -0.36701672 +0.91455449
a 3.1609964 Node 68.30564 -0.85324478 -0.25820468
e 0.5106440 Incl. 10.54011 -0.37050245 -0.31132046
P 5.62
From 2395 observations 2015 Nov. 11-2023 Oct. 12, mean residual 0".5.
Nongravitational parameters A1 = -0.07, A2 = +0.0133.

12P/Pons-Brooks
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 21.13197 TT Rudenko
q 0.7808747 (2000.0) P Q
n 0.01383268 Peri. 198.98729 +0.14512329 -0.32930588
a 17.1869397 Node 255.85541 +0.98565781 +0.13020391
e 0.9545658 Incl. 74.19102 +0.08612735 -0.93520296
P 71.3
From 3889 observations 2020 June 10-2023 Oct. 13, mean residual 0".6.

13P/Olbers
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 June 30.03355 TT Rudenko
q 1.1752687 (2000.0) P Q
n 0.01418118 Peri. 64.40075 -0.60892735 -0.37149184
a 16.9041913 Node 85.87551 +0.18566435 -0.92575942
e 0.9304747 Incl. 44.64221 +0.77119144 -0.07045076
P 69.5
From 101 observations 1956 Jan. 13-2023 Oct. 13, mean residual 0".8.
Nongravitational parameters A1 = +0.51, A2 = +0.1894.

29P/Schwassmann-Wachmann
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2019 Apr. 28.46339 TT Rudenko
q 5.7814828 (2000.0) P Q
n 0.06622366 Peri. 51.58171 +0.98987748 -0.07560122
a 6.0505369 Node 312.40300 +0.00660557 +0.86993759
e 0.0444678 Incl. 9.36142 +0.14177076 +0.48733258
P 14.9
From 16805 observations 2018 June 18-2023 Oct. 13, mean residual 0".6.

30P/Reinmuth
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Aug. 17.10218 TT Rudenko
q 1.8120907 (2000.0) P Q
n 0.13639207 Peri. 9.43752 -0.59708735 -0.79246835
a 3.7377475 Node 117.32667 +0.72654598 -0.59999410
e 0.5151918 Incl. 8.05075 +0.34002594 -0.10954908
P 7.23
From 761 observations 2011 Apr. 12-2023 Oct. 11, mean residual 0".8.

32P/Comas Sola
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 20.56046 TT Rudenko
q 2.0243681 (2000.0) P Q
n 0.10124736 Peri. 54.66785 -0.31888890 -0.93735038
a 4.5591119 Node 54.52945 +0.80406493 -0.34592101
e 0.5559731 Incl. 9.91991 +0.50178627 -0.04138750
P 9.73
From 3454 observations 2004 July 20-2023 Oct. 13, mean residual 0".7.
Nongravitational parameters A1 = -0.34, A2 = -0.0988.

53P/Van Biesbroeck
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 Dec. 26.86302 TT Rudenko
q 2.4448349 (2000.0) P Q
n 0.07780709 Peri. 134.46888 +0.23251179 +0.97076901
a 5.4340456 Node 148.83167 -0.92181167 +0.23948300
e 0.5500894 Incl. 6.60673 -0.31016369 +0.01598195
P 12.7
From 2992 observations 2001 Feb. 20-2018 Feb. 3, mean residual 0".6.
Nongravitational parameters A1 = -0.26, A2 = +0.2592.

56P/Slaughter-Burnham
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2027 Dec. 18.39186 TT Rudenko
q 2.4887358 (2000.0) P Q
n 0.08645941 Peri. 44.09083 +0.86384302 -0.50258404
a 5.0651760 Node 345.96352 +0.41395280 +0.74711683
e 0.5086576 Incl. 8.15793 +0.28708591 +0.43500084
P 11.4
From 2046 observations 2004 July 15-2018 Jan. 23, mean residual 0".6.
Nongravitational parameters A1 = -3.84, A2 = +1.9685.

62P/Tsuchinshan
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 25.10503 TT Rudenko
q 1.2649525 (2000.0) P Q
n 0.15932301 Peri. 47.29219 -0.43543760 -0.89692481
a 3.3699002 Node 68.66992 +0.79991182 -0.42471069
e 0.6246321 Incl. 4.73800 +0.41295905 -0.12307200
P 6.19
From 891 observations 2017 Aug. 10-2023 Oct. 13, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = -0.1229.

71P/Clark
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Jan. 22.83634 TT Rudenko
q 1.5890997 (2000.0) P Q
n 0.17719661 Peri. 209.09858 -0.03205833 +0.98947129
a 3.1392973 Node 59.38907 -0.88236450 +0.03830876
e 0.4938040 Incl. 9.43836 -0.46947328 -0.13956723
P 5.56
From 1329 observations 2016 Feb. 12-2023 Oct. 12, mean residual 1".0.
Nongravitational parameters A1 = +2.93, A2 = -0.4948.

74P/Smirnova-Chernykh
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 May 16.88544 TT Rudenko
q 4.4834500 (2000.0) P Q
n 0.09513671 Peri. 136.93207 -0.97926828 +0.18096690
a 4.7523013 Node 53.71351 -0.20253261 -0.86634058
e 0.0565729 Incl. 6.48358 -0.00376556 -0.46551582
P 10.4
From 1776 observations 2018 Jan. 1-2023 Oct. 12, mean residual 0".5.
Nongravitational parameters A1 = -2.13, A2 = -0.3586.

77P/Longmore
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 3.06242 TT Rudenko
q 2.3486906 (2000.0) P Q
n 0.14291042 Peri. 196.71417 -0.85931228 +0.50056365
a 3.6232096 Node 14.76745 -0.40938188 -0.55015480
e 0.3517652 Incl. 24.31854 -0.30657607 -0.66840536
P 6.90
From 2681 observations 1975 Aug. 11-2023 Oct. 9, mean residual 0".8.
Nongravitational parameters A1 = +0.06, A2 = -0.0494.

81P/Wild
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Dec. 15.58855 TT Rudenko
q 1.5982338 (2000.0) P Q
n 0.15356448 Peri. 41.61082 -0.99846473 -0.03918527
a 3.4536279 Node 136.09603 +0.02249762 -0.93274957
e 0.5372305 Incl. 3.23643 +0.05061667 -0.35838910
P 6.42
From 2753 observations 2014 Oct. 18-2023 Oct. 12, mean residual 0".7.
Nongravitational parameters A1 = +0.26, A2 = +0.1930.

103P/Hartley
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 12.51238 TT Rudenko
q 1.0640923 (2000.0) P Q
n 0.15210835 Peri. 181.30117 +0.75453089 -0.63878102
a 3.4756338 Node 219.75002 +0.60421652 +0.76567115
e 0.6938422 Incl. 13.61044 +0.25613575 +0.07554141
P 6.48
From 7968 observations 2004 Sept. 20-2023 Oct. 13, mean residual 0".6.
Nongravitational parameters A1 = +0.18, A2 = +0.0248.

117P/Helin-Roman-Alu
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 July 8.95392 TT Rudenko
q 3.0414842 (2000.0) P Q
n 0.11925404 Peri. 223.20628 +0.20166000 +0.97085969
a 4.0877781 Node 58.82270 -0.85237779 +0.23907455
e 0.2559566 Incl. 8.70437 -0.48247834 -0.01657747
P 8.26
From 4532 observations 2010 Nov. 3-2023 Oct. 12, mean residual 0".7.
Nongravitational parameters A1 = +0.41, A2 = +0.0449.

126P/IRAS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 5.32118 TT Rudenko
q 1.7105145 (2000.0) P Q
n 0.07363088 Peri. 356.59214 +0.99600410 +0.08523069
a 5.6376231 Node 357.87026 -0.05500883 +0.35017746
e 0.6965894 Incl. 45.87329 -0.07035530 +0.93279766
P 13.4
From 1129 observations 2009 May 27-2023 Oct. 13, mean residual 0".6.
Nongravitational parameters A1 = +0.04, A2 = -0.1291.

143P/Kowal-Mrkos
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2027 Feb. 21.16506 TT Rudenko
q 2.4807395 (2000.0) P Q
n 0.11201672 Peri. 320.54356 -0.90370591 +0.42147015
a 4.2620069 Node 244.53765 -0.36869941 -0.85554180
e 0.4179410 Incl. 4.78764 -0.21766113 -0.30068444
P 8.80
From 728 observations 2015 Jan. 22-2023 Oct. 9, mean residual 0".4.

144P/Kushida
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 25.76905 TT Rudenko
q 1.3987764 (2000.0) P Q
n 0.13135897 Peri. 216.32198 -0.15949802 -0.98530870
a 3.8326240 Node 242.92782 +0.92112412 -0.12629340
e 0.6350343 Incl. 3.93142 +0.35509257 -0.11496407
P 7.50
From 526 observations 2016 July 31-2023 Oct. 12, mean residual 0".7.
Nongravitational parameters A1 = +0.87, A2 = -0.0539.

152P/Helin-Lawrence
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Jan. 14.61245 TT Rudenko
q 3.0983052 (2000.0) P Q
n 0.10391663 Peri. 164.20831 -0.23730069 +0.95618515
a 4.4807016 Node 91.82647 -0.90881568 -0.15617382
e 0.3085223 Incl. 9.87775 -0.34313619 -0.24762815
P 9.48
From 1203 observations 1993 Apr. 22-2023 Oct. 12, mean residual 0".9.
Nongravitational parameters A1 = +0.03, A2 = +0.0142.

170P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 18.93196 TT Rudenko
q 2.9233109 (2000.0) P Q
n 0.11398364 Peri. 225.31510 +0.98323487 -0.14832522
a 4.2128342 Node 142.83271 +0.17160866 +0.94934232
e 0.3060940 Incl. 10.11094 -0.06164128 +0.27703570
P 8.65
From 326 observations 2021 June 30-2023 Oct. 13, mean residual 0".5.

185P/Petriew
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 12.89699 TT Rudenko
q 0.9303001 (2000.0) P Q
n 0.18072783 Peri. 181.88631 +0.80956149 -0.57110710
a 3.0982707 Node 214.11418 +0.54171533 +0.81593314
e 0.6997357 Incl. 14.01462 +0.22617404 +0.08994321
P 5.45
From 807 observations 2007 Jan. 11-2023 Sept. 25, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = +0.0143.

195P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 July 27.68720 TT Rudenko
q 4.4538599 (2000.0) P Q
n 0.05943886 Peri. 249.52389 -0.51440416 -0.67496295
a 6.5026306 Node 243.10414 +0.82030098 -0.56711450
e 0.3150680 Incl. 36.37965 -0.24998933 -0.47202348
P 16.6
From 315 observations 1993 Feb. 26-2023 Oct. 11, mean residual 0".7.

199P/Shoemaker
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Aug. 7.58284 TT Rudenko
q 2.9103914 (2000.0) P Q
n 0.06911277 Peri. 191.77438 +0.22497895 +0.87858032
a 5.8807200 Node 92.34769 -0.85624473 +0.38461412
e 0.5050961 Incl. 24.93811 -0.46500477 -0.28314061
P 14.3
From 212 observations 2022 Feb. 3-2023 Oct. 9, mean residual 0".6.
Nongravitational parameters A1 = +1.06, A2 = -0.0963.

207P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 31.81006 TT Rudenko
q 0.9381207 (2000.0) P Q
n 0.12882658 Peri. 272.98742 -0.35585953 -0.93290773
a 3.8826872 Node 198.16068 +0.91228110 -0.33396253
e 0.7583837 Incl. 10.20128 +0.20274906 -0.13473009
P 7.65
From 208 observations 2000 Oct. 7-2023 Oct. 9, mean residual 0".8.

212P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 25.09181 TT Rudenko
q 1.6121453 (2000.0) P Q
n 0.12782090 Peri. 14.01691 -0.35710947 -0.85623684
a 3.9030261 Node 97.99511 +0.81656646 -0.48021262
e 0.5869499 Incl. 22.14395 +0.45353285 +0.19040568
P 7.71
From 144 observations 2000 Dec. 1-2023 Oct. 9, mean residual 0".8.

225P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Aug. 8.04366 TT Rudenko
q 1.3188059 (2000.0) P Q
n 0.14138820 Peri. 3.90982 +0.95158922 -0.29408474
a 3.6491687 Node 14.20428 +0.27120473 +0.66643928
e 0.6386010 Incl. 21.36622 +0.14465807 +0.68510791
P 6.97
From 496 observations 2002 Sept. 29-2023 Oct. 12, mean residual 0".6.
Nongravitational parameters A1 = +0.04, A2 = -0.0019.

226P/Pigott-LINEAR-Kowalski
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 27.22496 TT Rudenko
q 1.7737364 (2000.0) P Q
n 0.13482135 Peri. 341.07636 +0.74445865 -0.35961619
a 3.7667222 Node 54.01343 +0.66627472 +0.34572517
e 0.5291035 Incl. 44.04524 +0.04311977 +0.86668928
P 7.31
From 1209 observations 2003 Jan. 5-2017 Mar. 16, mean residual 1".3.
Nongravitational parameters A1 = +0.00, A2 = +0.0000.

237P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.69009 TT Rudenko
q 1.9870774 (2000.0) P Q
n 0.14986540 Peri. 25.26634 -0.00062512 +0.97546606
a 3.5102265 Node 245.35970 -0.95368779 -0.06680185
e 0.4339176 Incl. 14.01661 -0.30079761 +0.20977004
P 6.58
From 2149 observations 2002 June 18-2023 Oct. 12, mean residual 0".7.

242P/Spahr
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 24.57565 TT Rudenko
q 3.9707459 (2000.0) P Q
n 0.07602163 Peri. 245.00512 +0.41746890 -0.90868426
a 5.5187990 Node 180.37916 +0.89761100 +0.41176627
e 0.2805054 Incl. 32.49008 -0.14147157 -0.06885821
P 13.0
From 489 observations 2011 July 20-2023 Oct. 13, mean residual 0".7.

276P/Vorobjov
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 11.99403 TT Rudenko
q 3.8984355 (2000.0) P Q
n 0.08009010 Peri. 199.40806 +0.63847548 -0.75806857
a 5.3302817 Node 211.33997 +0.73561033 +0.65187401
e 0.2686249 Incl. 14.81243 +0.22633275 +0.01980686
P 12.3
From 302 observations 2000 Dec. 19-2023 Oct. 10, mean residual 0".5.

279P/La Sagra
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 19.49968 TT Rudenko
q 2.1479006 (2000.0) P Q
n 0.14573203 Peri. 5.83994 +0.99030922 +0.13728722
a 3.5762898 Node 346.21594 -0.13071730 +0.87040413
e 0.3994053 Incl. 5.04995 -0.04691090 +0.47280955
P 6.76
From 266 observations 2002 July 12-2023 Oct. 11, mean residual 0".7.

291P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 4.04870 TT Rudenko
q 2.5652300 (2000.0) P Q
n 0.10204598 Peri. 173.50861 +0.62646364 -0.77390016
a 4.5352940 Node 237.65915 +0.71009881 +0.61578210
e 0.4343851 Incl. 6.30965 +0.32140782 +0.14795590
P 9.66
From 942 observations 2003 Sept. 4-2023 Oct. 11, mean residual 0".8.

309P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Mar. 29.04096 TT Rudenko
q 1.6696031 (2000.0) P Q
n 0.10770930 Peri. 49.93381 +0.50472558 -0.86173848
a 4.3748911 Node 10.14426 +0.67577810 +0.35722663
e 0.6183669 Incl. 17.02374 +0.53719275 +0.36027202
P 9.15
From 411 observations 2005 Aug. 31-2023 Oct. 12, mean residual 0".6.

310P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 23.71904 TT Rudenko
q 2.4166813 (2000.0) P Q
n 0.11497712 Peri. 31.62289 +0.76202867 -0.64658523
a 4.1885312 Node 8.92129 +0.53662607 +0.60013351
e 0.4230242 Incl. 13.12386 +0.36241518 +0.47092177
P 8.57
From 336 observations 2006 Aug. 29-2023 Oct. 12, mean residual 0".6.

311P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 2.14187 TT Rudenko
q 1.9351262 (2000.0) P Q
n 0.30431522 Peri. 144.33237 +0.44366815 -0.89210206
a 2.1890395 Node 279.19105 +0.80084076 +0.43748402
e 0.1159930 Incl. 4.96949 +0.40225943 +0.11296750
P 3.24
From 227 observations 2005 Jan. 17-2023 Oct. 12, mean residual 0".4.

326P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 30.48953 TT Rudenko
q 2.7697077 (2000.0) P Q
n 0.12025035 Peri. 278.65494 +0.94764713 -0.31648045
a 4.0651678 Node 99.80360 +0.30730305 +0.86772140
e 0.3186732 Incl. 2.47109 +0.08677416 +0.38327496
P 8.20
From 252 observations 1990 Sept. 24-2023 Oct. 11, mean residual 0".8.

347P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 20.04082 TT Rudenko
q 2.2125083 (2000.0) P Q
n 0.14387580 Peri. 98.43544 +0.97946500 +0.01276626
a 3.6069840 Node 261.00718 -0.08610651 +0.92888458
e 0.3866044 Incl. 11.75421 +0.18230188 +0.37014924
P 6.85
From 227 observations 2002 July 12-2023 Oct. 13, mean residual 0".5.

358P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Nov. 10.91650 TT Rudenko
q 2.3948076 (2000.0) P Q
n 0.17639851 Peri. 299.72776 +0.88712602 -0.42001844
a 3.1487592 Node 85.68918 +0.46116157 +0.79020352
e 0.2394440 Incl. 11.05977 +0.01836929 +0.44627672
P 5.59
From 208 observations 2001 Dec. 9-2023 Oct. 11, mean residual 0".5.
Nongravitational parameters A1 = -2.26, A2 = -0.0324.

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 0.20168574 Peri. 212.02800 -0.21346342 +0.96511310
a 2.8797354 Node 46.14753 -0.84612175 -0.10505183
e 0.7217277 Incl. 12.13765 -0.48837623 -0.23983498
P 4.89
From 1500 observations 2013 Feb. 1-2023 Oct. 9, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = -0.0004.

459P/Catalina
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Feb. 21.39207 TT Rudenko
q 1.3681507 (2000.0) P Q
n 0.16907080 Peri. 205.18861 -0.20778563 -0.97058070
a 3.2390946 Node 256.99413 +0.91726879 -0.15013803
e 0.5776132 Incl. 7.17214 +0.33976918 -0.18823306
P 5.83
From 630 observations 2017 Jan. 3-2023 June 14, mean residual 0".5.

465P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 9.89708 TT Rudenko
q 2.3298074 (2000.0) P Q
n 0.06640602 Peri. 141.24044 +0.96127732 +0.06118313
a 6.0394551 Node 218.01135 -0.07528796 +0.99625595
e 0.6142355 Incl. 25.87054 +0.26509929 +0.06107948
P 14.8
From 114 observations 2009 Jan. 1-2023 Oct. 11, mean residual 0".9.

466P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 3.69608 TT Rudenko
q 2.1547540 (2000.0) P Q
n 0.12126529 Peri. 196.71488 +0.72067797 +0.66846479
a 4.0424536 Node 119.86586 -0.60935325 +0.73720797
e 0.4669688 Incl. 12.23574 -0.33062348 +0.09838313
P 8.13
From 185 observations 2015 Sept. 17-2023 Oct. 10, mean residual 0".6.

468P/Siding Spring
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Nov. 20.99915 TT Rudenko
q 3.9499040 (2000.0) P Q
n 0.05183177 Peri. 322.54546 +0.76585283 +0.64090184
a 7.1242428 Node 356.12545 -0.21721073 +0.18159476
e 0.4455686 Incl. 50.44461 -0.60521809 +0.74583388
P 19.0
From 124 observations 2004 Nov. 3-2023 Oct. 10, mean residual 0".5.

470P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 18.40669 TT Rudenko
q 2.7285939 (2000.0) P Q
n 0.10415449 Peri. 152.07820 +0.77999415 -0.60979850
a 4.4738770 Node 246.19374 +0.54172737 +0.77040632
e 0.3901053 Incl. 8.83695 +0.31327397 +0.18606419
P 9.46
From 130 observations 2014 Nov. 17-2023 Oct. 11, mean residual 0".4.

471P
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 20.30762 TT Rudenko
q 2.1234115 (2000.0) P Q
n 0.07232118 Peri. 94.95807 +0.94601307 -0.31377563
a 5.7054826 Node 283.34658 +0.25431720 +0.87399278
e 0.6278296 Incl. 4.79101 +0.20095281 +0.37105453
P 13.6
From 377 observations 1996 June 23-2023 Oct. 11, mean residual 0".4.