Коррекция орбиты некоторых периодических комет от 29 марта

[Gremlin]

Коррекция орбиты некоторых периодических комет от 29 марта 2023 года, MPEC 2023-F200

Orbital elements:
4P/Faye
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Sept. 8.94921 TT Rudenko
q 1.6193085 (2000.0) P Q
n 0.13166743 Peri. 207.04963 +0.76733628 -0.64048729
a 3.8266359 Node 192.92364 +0.61065586 +0.74469915
e 0.5768324 Incl. 8.00922 +0.19568970 +0.18761454
P 7.49
From 6897 observations 1998 May 24-2023 Mar. 25, mean residual 0".9.
Nongravitational parameters A1 = +0.50, A2 = -0.0297.

12P/Pons-Brooks
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 21.15982 TT Rudenko
q 0.7811547 (2000.0) P Q
n 0.01384467 Peri. 198.98289 +0.14530278 -0.32941221
a 17.1770152 Node 255.84454 +0.98562526 +0.13034506
e 0.9545233 Incl. 74.18650 +0.08619711 -0.93514585
P 71.2
From 135 observations 2020 June 10-2023 Mar. 28, mean residual 0".7.

19P/Borrelly
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Feb. 1.86620 TT Rudenko
q 1.3062632 (2000.0) P Q
n 0.14390763 Peri. 351.93959 +0.38671516 -0.79281583
a 3.6064521 Node 74.23286 +0.87105528 +0.14627978
e 0.6377983 Incl. 29.30599 +0.30284334 +0.59164624
P 6.85
From 2485 observations 2015 Jan. 11-2023 Mar. 26, mean residual 0".6.
Nongravitational parameters A1 = +0.38, A2 = -0.0689.

28P/Neujmin
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Mar. 11.79234 TT Rudenko
q 1.5805839 (2000.0) P Q
n 0.05343050 Peri. 347.46464 +0.89889515 +0.43425870
a 6.9814109 Node 346.34138 -0.37764236 +0.70027574
e 0.7736011 Incl. 14.31082 -0.22220209 +0.56659798
P 18.4
From 948 observations 2017 Mar. 19-2023 Mar. 21, mean residual 0".3.

29P/Schwassmann-Wachmann
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2019 Apr. 22.08702 TT Rudenko
q 5.7776656 (2000.0) P Q
n 0.06626543 Peri. 51.08612 +0.99049629 -0.06694244
a 6.0479944 Node 312.39742 -0.00102131 +0.86995720
e 0.0446973 Incl. 9.36345 +0.13753564 +0.48856237
P 14.9
From 15989 observations 2018 June 18-2023 Mar. 27, mean residual 0".6.

48P/Johnson
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Mar. 2.39812 TT Rudenko
q 2.0056070 (2000.0) P Q
n 0.15045491 Peri. 216.74327 +0.82440953 +0.53005346
a 3.5010513 Node 110.09178 -0.45587824 +0.82968205
e 0.4271415 Incl. 12.20066 -0.33544590 +0.17513144
P 6.55
From 2260 observations 1949 Sept. 24-2023 Mar. 27, mean residual 0".8.
Nongravitational parameters A1 = +0.57, A2 = -0.0174.

61P/Shajn-Schaldach
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 23.75730 TT Rudenko
q 2.1257814 (2000.0) P Q
n 0.13907569 Peri. 221.64366 +0.90812906 -0.41756881
a 3.6895089 Node 162.96193 +0.40644565 +0.86164911
e 0.4238308 Incl. 5.99949 +0.10051634 +0.28843906
P 7.09
From 2665 observations 2000 Apr. 22-2023 Feb. 23, mean residual 1".1.
Nongravitational parameters A1 = -0.02, A2 = -0.2704.

65P/Gunn
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 June 17.10564 TT Rudenko
q 2.9229825 (2000.0) P Q
n 0.12850744 Peri. 213.87086 +0.09573477 +0.98540152
a 3.8891128 Node 61.98526 -0.87426906 +0.15085651
e 0.2484192 Incl. 9.17577 -0.47590804 -0.07890600
P 7.67
From 2124 observations 2013 Jan. 1-2023 Mar. 27, mean residual 0".6.
Nongravitational parameters A1 = -0.22, A2 = -0.0205.

67P/Churyumov-Gerasimenko
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Nov. 2.14601 TT Rudenko
q 1.2104426 (2000.0) P Q
n 0.15331976 Peri. 22.15099 +0.52330751 -0.85120441
a 3.4573018 Node 36.32891 +0.77135003 +0.45321699
e 0.6498881 Incl. 3.87191 +0.36217175 +0.26466095
P 6.43
From 10901 observations 1995 July 3-2023 Mar. 26, mean residual 0".8.
Nongravitational parameters A1 = +0.08, A2 = +0.0111.

77P/Longmore
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 3.13112 TT Rudenko
q 2.3487635 (2000.0) P Q
n 0.14286816 Peri. 196.73448 -0.85912950 +0.50087603
a 3.6239240 Node 14.76808 -0.40958410 -0.54999974
e 0.3518729 Incl. 24.31894 -0.30681812 -0.66829895
P 6.90
From 2308 observations 1975 Aug. 11-2023 Mar. 28, mean residual 0".8.
Nongravitational parameters A1 = +0.06, A2 = -0.0472.

80P/Peters-Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Dec. 8.83891 TT Rudenko
q 1.6153418 (2000.0) P Q
n 0.12214620 Peri. 339.23941 -0.46799780 +0.73480853
a 4.0229943 Node 259.79635 -0.72407474 -0.63733178
e 0.5984728 Incl. 29.92343 -0.50664961 +0.23208756
P 8.07
From 28 observations 2014 June 22-2023 Mar. 25, mean residual 0".5.
Nongravitational parameters A1 = +0.96, A2 = +0.0100.

81P/Wild
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Dec. 15.61348 TT Rudenko
q 1.5984359 (2000.0) P Q
n 0.15350933 Peri. 41.62467 -0.99847617 -0.03889484
a 3.4544549 Node 136.09886 +0.02222721 -0.93275662
e 0.5372827 Incl. 3.23641 +0.05051023 -0.35840240
P 6.42
From 2228 observations 2014 Oct. 18-2023 Mar. 28, mean residual 0".7.
Nongravitational parameters A1 = +0.42, A2 = +0.3007.

89P/Russell
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Mar. 26.55881 TT Rudenko
q 2.2216350 (2000.0) P Q
n 0.13553972 Peri. 250.39782 +0.35671088 +0.92394219
a 3.7534012 Node 41.34697 -0.75947945 +0.37292153
e 0.4081009 Incl. 12.07182 -0.54401131 +0.08520778
P 7.27
From 194 observations 1980 Sept. 28-2023 Mar. 21, mean residual 0".8.
Nongravitational parameters A1 = +0.87, A2 = -0.0349.

94P/Russell
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 21.08347 TT Rudenko
q 2.2270636 (2000.0) P Q
n 0.14991176 Peri. 92.41904 -0.95219929 -0.28800751
a 3.5095027 Node 70.85615 +0.21944111 -0.87678711
e 0.3654190 Incl. 6.18764 +0.21251377 -0.38509225
P 6.57
From 1991 observations 1984 Mar. 4-2023 Mar. 27, mean residual 0".6.
Nongravitational parameters A1 = +0.00, A2 = +0.0017.

96P/Machholz
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Jan. 31.09845 TT Rudenko
q 0.1164276 (2000.0) P Q
n 0.18679966 Peri. 14.74988 -0.20308944 -0.50067303
a 3.0307632 Node 93.95228 +0.79106654 -0.59034592
e 0.9615847 Incl. 57.50961 +0.57703414 +0.63310206
P 5.28
From 1031 observations 1986 May 13-2017 Sept. 17, mean residual 2".3.
Nongravitational parameters A1 = -0.05, A2 = +0.0014.

99P/Kowal
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 11.66799 TT Rudenko
q 4.7056831 (2000.0) P Q
n 0.06539688 Peri. 174.83092 -0.92084321 +0.38830048
a 6.1014260 Node 28.10152 -0.36041383 -0.81267927
e 0.2287568 Incl. 4.33986 -0.14882762 -0.43448261
P 15.1
From 1548 observations 1977 Apr. 25-2023 Mar. 28, mean residual 0".6.

113P/Spitaler
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 June 1.51590 TT Rudenko
q 2.1419116 (2000.0) P Q
n 0.13893387 Peri. 115.54371 +0.46296019 -0.88329023
a 3.6920193 Node 306.67864 +0.77656274 +0.44440310
e 0.4198536 Incl. 5.28944 +0.42733847 +0.14934607
P 7.09
From 494 observations 2015 Jan. 19-2023 Mar. 19, mean residual 0".7.

118P/Shoemaker-Levy
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 24.34995 TT Rudenko
q 1.8290125 (2000.0) P Q
n 0.16098128 Peri. 314.84294 -0.12757123 -0.98597078
a 3.3467181 Node 142.09719 +0.95223825 -0.15211324
e 0.4534907 Incl. 10.09165 +0.27743090 +0.06872538
P 6.12
From 1664 observations 2015 Sept. 15-2023 Mar. 28, mean residual 0".6.
Nongravitational parameters A1 = -0.22, A2 = -0.0066.

119P/Parker-Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 12.06805 TT Rudenko
q 2.3276583 (2000.0) P Q
n 0.13279821 Peri. 322.08516 +0.39130375 -0.91179565
a 3.8048824 Node 104.57100 +0.87265381 +0.32468307
e 0.3882444 Incl. 7.39322 +0.29215870 +0.25141519
P 7.42
From 1355 observations 2021 July 2-2023 Mar. 27, mean residual 0".5.
Nongravitational parameters A1 = -1.05, A2 = +0.1734.

126P/IRAS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 5.30639 TT Rudenko
q 1.7105217 (2000.0) P Q
n 0.07370344 Peri. 356.59637 +0.99601216 +0.08514082
a 5.6339227 Node 357.87149 -0.05496024 +0.35013056
e 0.6963889 Incl. 45.87652 -0.07027914 +0.93282347
P 13.4
From 402 observations 1983 July 1-2023 Mar. 28, mean residual 1".0.
Nongravitational parameters A1 = +0.29, A2 = -0.0655.

130P/McNaught-Hughes
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 14.79940 TT Rudenko
q 1.8229502 (2000.0) P Q
n 0.15840734 Peri. 246.10413 +0.71798942 +0.68892486
a 3.3828743 Node 70.18207 -0.59402837 +0.68088040
e 0.4611239 Incl. 6.06302 -0.36279677 +0.24856473
P 6.22
From 1088 observations 2004 Apr. 20-2023 Mar. 28, mean residual 0".7.
Nongravitational parameters A1 = +0.17, A2 = -0.0002.

148P/Anderson-LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 June 13.70183 TT Rudenko
q 1.6286403 (2000.0) P Q
n 0.14316011 Peri. 8.03968 -0.12584394 -0.98999675
a 3.6189954 Node 89.20627 +0.90660191 -0.14087557
e 0.5499745 Incl. 3.65799 +0.40278564 +0.00777825
P 6.88
From 134 observations 2014 Aug. 27-2023 Mar. 27, mean residual 0".4.
Nongravitational parameters A1 = +0.11, A2 = -0.0014.

157P/Tritton
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Sept. 9.82187 TT Rudenko
q 1.5718266 (2000.0) P Q
n 0.14764407 Peri. 155.07011 +0.11913122 -0.97146919
a 3.5453466 Node 287.54483 +0.87108130 +0.20138227
e 0.5566508 Incl. 12.42018 +0.47647154 -0.12527091
P 6.68
From 239 observations 2021 July 17-2023 Mar. 27, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.2113.

162P/Siding Spring
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Dec. 8.11287 TT Rudenko
q 1.2888892 (2000.0) P Q
n 0.18126827 Peri. 357.18876 +0.87945786 -0.41245421
a 3.0921094 Node 30.88823 +0.44523136 +0.53639035
e 0.5831683 Incl. 27.56492 +0.16829411 +0.73631985
P 5.44
From 3190 observations 1990 Mar. 23-2023 Mar. 28, mean residual 0".4.

169P/NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 July 9.68827 TT Rudenko
q 0.6028991 (2000.0) P Q
n 0.23474438 Peri. 218.05430 +0.82670515 -0.56247767
a 2.6025909 Node 176.10114 +0.55221440 +0.80662971
e 0.7683466 Incl. 11.29845 +0.10778614 +0.18156923
P 4.20
From 1337 observations 1989 Mar. 7-2023 Mar. 27, mean residual 0".5.

172P/Yeung
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Nov. 4.38076 TT Rudenko
q 3.3547209 (2000.0) P Q
n 0.11380087 Peri. 209.23896 -0.50307169 +0.85845175
a 4.2173438 Node 30.87501 -0.75029205 -0.37644556
e 0.2045418 Incl. 11.22534 -0.42892972 -0.34835231
P 8.66
From 305 observations 2012 Sept. 15-2023 Mar. 21, mean residual 0".3.

180P/NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 12.22356 TT Rudenko
q 2.5008006 (2000.0) P Q
n 0.12960703 Peri. 94.67336 -0.95726267 -0.01672019
a 3.8670847 Node 84.56838 -0.10656616 -0.90769772
e 0.3533112 Incl. 16.86026 +0.26887141 -0.41929141
P 7.60
From 996 observations 1955 May 14-2023 Mar. 28, mean residual 0".8.
Nongravitational parameters A1 = +0.52, A2 = +0.0304.

199P/Shoemaker
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Aug. 7.56892 TT Rudenko
q 2.9103608 (2000.0) P Q
n 0.06906200 Peri. 191.77106 +0.22495082 +0.87860395
a 5.8836019 Node 92.34884 -0.85626547 +0.38456813
e 0.5053437 Incl. 24.93596 -0.46498019 -0.28312976
P 14.3
From 621 observations 2008 Apr. 1-2023 Mar. 23, mean residual 0".9.
Nongravitational parameters A1 = -0.35, A2 = -0.4465.

204P/LINEAR-NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 16.86341 TT Rudenko
q 1.8343781 (2000.0) P Q
n 0.14539828 Peri. 356.65455 -0.26177598 -0.95896125
a 3.5817605 Node 108.49917 +0.88813331 -0.28352966
e 0.4878557 Incl. 6.59611 +0.37774669 +0.00206255
P 6.78
From 910 observations 2015 Oct. 11-2023 Mar. 17, mean residual 0".5.
Nongravitational parameters A1 = +0.27, A2 = -0.0137.

211P/Hill
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 4.63757 TT Rudenko
q 2.3275601 (2000.0) P Q
n 0.14749075 Peri. 4.29018 -0.51771872 -0.80542054
a 3.5478033 Node 117.13034 +0.77498897 -0.58436917
e 0.3439433 Incl. 18.91903 +0.36243539 +0.09904763
P 6.68
From 860 observations 2008 Dec. 4-2023 Mar. 28, mean residual 1".0.

230P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Mar. 19.38564 TT Rudenko
q 1.5689356 (2000.0) P Q
n 0.15362335 Peri. 313.46100 +0.46822134 -0.84599094
a 3.4527455 Node 106.97685 +0.86800649 +0.38635535
e 0.5455977 Incl. 15.46840 +0.16532848 +0.36746275
P 6.42
From 1503 observations 1997 Jan. 10-2023 Mar. 27, mean residual 0".5.

237P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 14.67856 TT Rudenko
q 1.9870432 (2000.0) P Q
n 0.14981663 Peri. 25.26157 -0.00072435 +0.97546658
a 3.5109881 Node 245.35866 -0.95368211 -0.06689731
e 0.4340502 Incl. 14.01657 -0.30081541 +0.20973723
P 6.58
From 617 observations 2002 June 18-2023 Mar. 28, mean residual 0".8.

244P/Scotti
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 17.46471 TT Rudenko
q 3.9204322 (2000.0) P Q
n 0.09095484 Peri. 93.13388 +0.05000661 -0.99874037
a 4.8968730 Node 353.99510 +0.89996438 +0.04685073
e 0.1994009 Incl. 2.25932 +0.43308597 +0.01796325
P 10.8
From 1762 observations 2000 Nov. 29-2023 Mar. 27, mean residual 0".7.
Nongravitational parameters A1 = +0.07, A2 = -0.0148.

254P/McNaught
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Sept. 30.35914 TT Rudenko
q 3.1407000 (2000.0) P Q
n 0.09937866 Peri. 219.67031 +0.90335479 +0.09947841
a 4.6160866 Node 129.18569 -0.09882879 +0.99483352
e 0.3196185 Incl. 32.56452 -0.41735235 -0.02025602
P 9.92
From 690 observations 2020 July 18-2023 Mar. 26, mean residual 0".5.

256P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Mar. 12.23505 TT Rudenko
q 2.7003162 (2000.0) P Q
n 0.09862317 Peri. 124.19338 -0.80922971 +0.36757675
a 4.6396307 Node 81.33032 -0.56089497 -0.71545159
e 0.4179890 Incl. 27.61917 +0.17476876 -0.59415179
P 9.99
From 212 observations 2003 Jan. 27-2023 Mar. 22, mean residual 0".9.

263P/Gibbs
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Jan. 30.58457 TT Rudenko
q 1.2362993 (2000.0) P Q
n 0.18578719 Peri. 35.04417 -0.76107543 -0.61945220
a 3.0417642 Node 105.50993 +0.54013842 -0.76950298
e 0.5935585 Incl. 11.52174 +0.35918613 -0.15538385
P 5.31
From 527 observations 2006 Nov. 10-2023 Mar. 28, mean residual 0".5.

274P/Tombaugh-Tenagra
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 8.46736 TT Rudenko
q 2.4529626 (2000.0) P Q
n 0.10762017 Peri. 38.47209 -0.47370006 -0.83846140
a 4.3773064 Node 81.32847 +0.72545084 -0.54494845
e 0.4396183 Incl. 15.81559 +0.49932889 -0.00369678
P 9.16
From 883 observations 1931 Jan. 13-2023 Mar. 27, mean residual 0".7.

280P/Larsen
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Aug. 4.75864 TT Rudenko
q 2.6401013 (2000.0) P Q
n 0.10222163 Peri. 104.74527 -0.54203423 +0.82629767
a 4.5300970 Node 131.38576 -0.82794258 -0.49390012
e 0.4172087 Incl. 11.77221 -0.14390962 -0.27073019
P 9.64
From 183 observations 2004 Apr. 19-2023 Mar. 27, mean residual 0".8.

299P/Catalina-PANSTARRS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 30.75762 TT Rudenko
q 3.1556322 (2000.0) P Q
n 0.10721164 Peri. 323.75569 -0.55863608 +0.80928683
a 4.3884191 Node 271.60062 -0.71183699 -0.58018950
e 0.2809182 Incl. 10.46742 -0.42569217 -0.09184214
P 9.19
From 352 observations 2005 Mar. 11-2023 Mar. 25, mean residual 0".7.

300P/Catalina
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 11.11401 TT Rudenko
q 0.8320728 (2000.0) P Q
n 0.22232954 Peri. 222.95287 +0.74652309 +0.65804414
a 2.6985964 Node 95.62413 -0.58052034 +0.71643199
e 0.6916646 Incl. 5.67404 -0.32511446 +0.23173931
P 4.43
From 791 observations 2005 May 6-2023 Mar. 24, mean residual 0".8.
Nongravitational parameters A1 = +0.04, A2 = -0.0078.

302P/Lemmon-PANSTARRS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Mar. 8.59444 TT Rudenko
q 3.2891138 (2000.0) P Q
n 0.11159070 Peri. 208.49020 +0.86569972 +0.49251572
a 4.2728474 Node 121.73076 -0.43700459 +0.83072388
e 0.2302291 Incl. 6.03353 -0.24411266 +0.25947273
P 8.83
From 170 observations 2007 Aug. 16-2023 Mar. 27, mean residual 0".6.

364P/PANSTARRS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 14.01611 TT Rudenko
q 0.8013037 (2000.0) P Q
n 0.20161966 Peri. 212.00956 -0.21364467 +0.96507520
a 2.8803646 Node 46.15494 -0.84612619 -0.10523022
e 0.7218048 Incl. 12.13498 -0.48828928 -0.23990928
P 4.89
From 1115 observations 2013 Feb. 1-2023 Mar. 28, mean residual 0".6.
Nongravitational parameters A1 = -0.00, A2 = -0.0004.

402P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Dec. 14.79844 TT Rudenko
q 3.9380537 (2000.0) P Q
n 0.05292600 Peri. 326.76148 -0.06236060 -0.90089539
a 7.0257065 Node 123.09043 +0.99043128 -0.10894799
e 0.4394793 Incl. 30.84288 +0.12311394 +0.42014025
P 18.6
From 994 observations 2020 Sept. 11-2023 Mar. 28, mean residual 0".4.
Nongravitational parameters A1 = -1.26, A2 = -0.1798.

408P/Novichonok-Gerke
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 5.22440 TT Rudenko
q 3.4676098 (2000.0) P Q
n 0.09542903 Peri. 226.48752 +0.56694335 -0.82196043
a 4.7425914 Node 189.44157 +0.81850501 +0.56954174
e 0.2688365 Incl. 19.35686 +0.09286974 -0.00180645
P 10.3
From 1459 observations 2011 Sept. 7-2023 Mar. 19, mean residual 0".6.

423P/Lemmon
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Sept. 18.74463 TT Rudenko
q 5.4195903 (2000.0) P Q
n 0.06430051 Peri. 80.31709 -0.39482046 -0.91529626
a 6.1705866 Node 33.29559 +0.77574187 -0.37857661
e 0.1217058 Incl. 8.34627 +0.49228178 -0.13752278
P 15.3
From 95 observations 2008 Feb. 8-2023 Mar. 27, mean residual 0".3.

452P/Sheppard-Jewitt
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 25.67612 TT Rudenko
q 4.1781732 (2000.0) P Q
n 0.05002549 Peri. 37.05230 -0.94095120 -0.32549997
a 7.2947179 Node 123.69914 +0.27757842 -0.89915339
e 0.4272331 Incl. 6.42248 +0.19380676 -0.29252853
P 19.7
From 227 observations 2003 Feb. 2-2023 Mar. 27, mean residual 0".9.

453P/WISE-Lemmon
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Mar. 3.01463 TT Rudenko
q 2.2784977 (2000.0) P Q
n 0.07731213 Peri. 70.82340 -0.33186286 -0.89102436
a 5.4572138 Node 42.89761 +0.59947137 -0.45272780
e 0.5824797 Incl. 27.06796 +0.72835508 -0.03336358
P 12.7
From 313 observations 2010 Jan. 29-2023 Mar. 20, mean residual 0".7.