Коррекция орбиты некоторых периодических комет от 21 апреля ..
Добавлено: 21 апр 2024 11:00Коррекция орбиты некоторых периодических комет от 21 апреля 2024 года, MPEC 2024-H50
Orbital elements:
12P/Pons-Brooks
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 21.12393 TT Rudenko
q 0.7807797 (2000.0) P Q
n 0.01381015 Peri. 198.98908 +0.14510790 -0.32930065
a 17.2056286 Node 255.85588 +0.98566267 +0.13016972
e 0.9546207 Incl. 74.19152 +0.08609761 -0.93520956
P 71.4
From 7727 observations 2023 Feb. 27-2024 Apr. 16, mean residual 0".6.
13P/Olbers
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 June 30.04800 TT Rudenko
q 1.1756032 (2000.0) P Q
n 0.01420538 Peri. 64.41006 -0.60848109 -0.37171564
a 16.8849869 Node 85.84621 +0.18567591 -0.92567443
e 0.9303758 Incl. 44.66601 +0.77154081 -0.07038707
P 69.4
From 1260 observations 2023 Oct. 8-2024 Apr. 19, mean residual 0".4.
Nongravitational parameters A1 = +3.46, A2 = +1.8566.
19P/Borrelly
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Feb. 2.03964 TT Rudenko
q 1.3063703 (2000.0) P Q
n 0.14383121 Peri. 351.97806 +0.38643144 -0.79289992
a 3.6077294 Node 74.21674 +0.87106363 +0.14582834
e 0.6378968 Incl. 29.31478 +0.30318128 +0.59164500
P 6.85
From 1473 observations 2022 Feb. 1-2024 Apr. 18, mean residual 0".5.
Nongravitational parameters A1 = -0.54, A2 = +0.2315.
29P/Schwassmann-Wachmann
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2019 May 2.75161 TT Rudenko
q 5.7859627 (2000.0) P Q
n 0.06618423 Peri. 51.95355 +0.98936628 -0.08207065
a 6.0529402 Node 312.40588 +0.01231221 +0.86988468
e 0.0441071 Incl. 9.35915 +0.14492332 +0.48637953
P 14.9
From 19004 observations 2018 June 18-2024 Apr. 20, mean residual 0".6.
32P/Comas Sola
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 20.60293 TT Rudenko
q 2.0245976 (2000.0) P Q
n 0.10146435 Peri. 54.66854 -0.31890906 -0.93734156
a 4.5526094 Node 54.53009 +0.80405158 -0.34594457
e 0.5552885 Incl. 9.92076 +0.50179485 -0.04139030
P 9.71
From 3583 observations 2013 Sept. 24-2024 Apr. 19, mean residual 0".7.
Nongravitational parameters A1 = +2.08, A2 = +0.7462.
37P/Forbes
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Oct. 11.25943 TT Rudenko
q 1.6177210 (2000.0) P Q
n 0.15294607 Peri. 330.07015 +0.25681392 +0.96008537
a 3.4629309 Node 314.55461 -0.85298028 +0.17124916
e 0.5328463 Incl. 8.94749 -0.45439108 +0.22115560
P 6.44
From 1355 observations 2011 Feb. 8-2024 Apr. 19, mean residual 0".6.
Nongravitational parameters A1 = +0.75, A2 = -0.0533.
48P/Johnson
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Mar. 2.60977 TT Rudenko
q 2.0064683 (2000.0) P Q
n 0.15047130 Peri. 216.76820 +0.82440992 +0.53004250
a 3.5007970 Node 110.06784 -0.45583396 +0.82967639
e 0.4268538 Incl. 12.20049 -0.33550513 +0.17519144
P 6.55
From 2267 observations 1949 Sept. 24-2024 Apr. 17, mean residual 0".8.
Nongravitational parameters A1 = +0.57, A2 = -0.0175.
62P/Tsuchinshan
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Dec. 25.11564 TT Rudenko
q 1.2649397 (2000.0) P Q
n 0.15938211 Peri. 47.30249 -0.43554636 -0.89687285
a 3.3690672 Node 68.66653 +0.79986176 -0.42480342
e 0.6245430 Incl. 4.73749 +0.41294131 -0.12313057
P 6.18
From 1800 observations 2023 Aug. 29-2024 Apr. 17, mean residual 0".5.
Nongravitational parameters A1 = +0.62, A2 = +0.5710.
65P/Gunn
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 June 16.84812 TT Rudenko
q 2.9254952 (2000.0) P Q
n 0.12841406 Peri. 213.76346 +0.09373686 +0.98559481
a 3.8909979 Node 61.97658 -0.87456256 +0.14908153
e 0.2481375 Incl. 9.17595 -0.47576647 -0.07985969
P 7.68
From 2541 observations 2013 Jan. 1-2024 Apr. 18, mean residual 0".6.
Nongravitational parameters A1 = -0.13, A2 = -0.0212.
89P/Russell
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 26.60814 TT Rudenko
q 2.2218441 (2000.0) P Q
n 0.13563273 Peri. 250.40152 +0.35674865 +0.92392777
a 3.7516851 Node 41.34562 -0.75946101 +0.37295144
e 0.4077744 Incl. 12.07205 -0.54401229 +0.08523319
P 7.27
From 220 observations 1980 Sept. 28-2024 Apr. 18, mean residual 0".8.
Nongravitational parameters A1 = +0.82, A2 = -0.0343.
103P/Hartley
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Oct. 12.50692 TT Rudenko
q 1.0641144 (2000.0) P Q
n 0.15218970 Peri. 181.30068 +0.75454678 -0.63876236
a 3.4743951 Node 219.74911 +0.60419900 +0.76568647
e 0.6937267 Incl. 13.61067 +0.25613027 +0.07554390
P 6.48
From 9056 observations 2004 Sept. 20-2024 Apr. 20, mean residual 0".7.
Nongravitational parameters A1 = +0.11, A2 = +0.0236.
118P/Shoemaker-Levy
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 24.45921 TT Rudenko
q 1.8290905 (2000.0) P Q
n 0.16087316 Peri. 314.88437 -0.12805937 -0.98590569
a 3.3482174 Node 142.08422 +0.95215008 -0.15259228
e 0.4537122 Incl. 10.09026 +0.27750860 +0.06859711
P 6.13
From 1854 observations 2015 Sept. 15-2024 Apr. 18, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0052.
125P/Spacewatch
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 7.29377 TT Rudenko
q 1.5266903 (2000.0) P Q
n 0.17804493 Peri. 87.13887 -0.48879081 +0.86887917
a 3.1293176 Node 153.15028 -0.85336830 -0.45754907
e 0.5121332 Incl. 9.98479 -0.18123488 -0.18893873
P 5.54
From 567 observations 2012 Dec. 8-2024 Apr. 20, mean residual 0".6.
Nongravitational parameters A1 = +0.06, A2 = +0.0102.
144P/Kushida
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 25.77011 TT Rudenko
q 1.3988570 (2000.0) P Q
n 0.13143983 Peri. 216.32103 -0.15944149 -0.98531747
a 3.8310521 Node 242.92550 +0.92113395 -0.12623909
e 0.6348635 Incl. 3.93190 +0.35509246 -0.11494857
P 7.50
From 2923 observations 2016 July 31-2024 Apr. 20, mean residual 0".5.
Nongravitational parameters A1 = +0.29, A2 = -0.0882.
150P/LONEOS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 12.46185 TT Rudenko
q 1.7455858 (2000.0) P Q
n 0.12946204 Peri. 246.11286 -0.88084401 -0.35080505
a 3.8699714 Node 272.05902 +0.45839733 -0.79977257
e 0.5489409 Incl. 18.54736 -0.11826123 -0.48713412
P 7.61
From 1207 observations 1978 Mar. 6-2024 Apr. 19, mean residual 0".4.
162P/Siding Spring
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2026 May 17.60291 TT Rudenko
q 1.2890517 (2000.0) P Q
n 0.18126307 Peri. 357.21542 +0.87927291 -0.41285951
a 3.0921685 Node 30.88742 +0.44546847 +0.53621017
e 0.5831237 Incl. 27.56318 +0.16863274 +0.73622393
P 5.44
From 3233 observations 1990 Mar. 23-2024 Apr. 18, mean residual 0".4.
204P/LINEAR-NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 16.96746 TT Rudenko
q 1.8342638 (2000.0) P Q
n 0.14529809 Peri. 356.68726 -0.26207755 -0.95887740
a 3.5834068 Node 108.48457 +0.88803268 -0.28381390
e 0.4881229 Incl. 6.59633 +0.37777417 +0.00194766
P 6.78
From 939 observations 2015 Oct. 11-2023 May 14, mean residual 0".5.
Nongravitational parameters A1 = +0.21, A2 = -0.0075.
207P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 31.81677 TT Rudenko
q 0.9382493 (2000.0) P Q
n 0.12878476 Peri. 272.99143 -0.35584726 -0.93291323
a 3.8835275 Node 198.15585 +0.91228554 -0.33395410
e 0.7584028 Incl. 10.20133 +0.20275063 -0.13471289
P 7.65
From 953 observations 2000 Oct. 7-2024 Apr. 16, mean residual 0".9.
216P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 6.87633 TT Rudenko
q 2.1270745 (2000.0) P Q
n 0.13005059 Peri. 151.73384 -0.87910847 -0.47662144
a 3.8582868 Node 359.79867 +0.40222989 -0.74127235
e 0.4486998 Incl. 9.06302 +0.25569398 -0.47259635
P 7.58
From 371 observations 2001 Feb. 1-2024 Apr. 13, mean residual 0".7.
226P/Pigott-LINEAR-Kowalski
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Dec. 27.19138 TT Rudenko
q 1.7736743 (2000.0) P Q
n 0.13477739 Peri. 341.05154 +0.74462632 -0.35927245
a 3.7675413 Node 54.01215 +0.66611208 +0.34601378
e 0.5292223 Incl. 44.04592 +0.04273573 +0.86671666
P 7.31
From 651 observations 2023 July 26-2024 Apr. 12, mean residual 0".5.
Nongravitational parameters A1 = -0.42, A2 = +0.0776.
227P/Catalina-LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 8.24920 TT Rudenko
q 1.6236168 (2000.0) P Q
n 0.15475416 Peri. 105.56993 -0.78710731 -0.61182714
a 3.4359051 Node 36.80815 +0.50393576 -0.71105467
e 0.5274559 Incl. 7.50857 +0.35568362 -0.34650946
P 6.37
From 824 observations 2017 Jan. 22-2024 Apr. 19, mean residual 0".4.
299P/Catalina-PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 30.37389 TT Rudenko
q 3.1563634 (2000.0) P Q
n 0.10716768 Peri. 323.69155 -0.55979658 +0.80848252
a 4.3896191 Node 271.58279 -0.71102551 -0.58121923
e 0.2809482 Incl. 10.46785 -0.42552381 -0.09241330
P 9.20
From 491 observations 2005 Mar. 11-2024 Apr. 19, mean residual 0".6.
349P/Lemmon
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 27.13761 TT Rudenko
q 2.5100946 (2000.0) P Q
n 0.14560210 Peri. 255.79531 -0.67286996 +0.73837447
a 3.5784171 Node 331.75261 -0.63648184 -0.60903075
e 0.2985461 Incl. 5.48855 -0.37701046 -0.28962853
P 6.77
From 157 observations 2010 Mar. 14-2024 Apr. 17, mean residual 0".6.
479P/Elenin
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 5.24432 TT Rudenko
q 1.2437082 (2000.0) P Q
n 0.07392503 Peri. 263.52483 -0.91135958 +0.33512665
a 5.6226588 Node 295.83400 -0.18492594 -0.85207939
e 0.7788042 Incl. 15.39792 -0.36773103 -0.40205826
P 13.3
From 787 observations 2011 June 12-2024 Apr. 20, mean residual 0".5.
Orbital elements:
12P/Pons-Brooks
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 21.12393 TT Rudenko
q 0.7807797 (2000.0) P Q
n 0.01381015 Peri. 198.98908 +0.14510790 -0.32930065
a 17.2056286 Node 255.85588 +0.98566267 +0.13016972
e 0.9546207 Incl. 74.19152 +0.08609761 -0.93520956
P 71.4
From 7727 observations 2023 Feb. 27-2024 Apr. 16, mean residual 0".6.
13P/Olbers
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 June 30.04800 TT Rudenko
q 1.1756032 (2000.0) P Q
n 0.01420538 Peri. 64.41006 -0.60848109 -0.37171564
a 16.8849869 Node 85.84621 +0.18567591 -0.92567443
e 0.9303758 Incl. 44.66601 +0.77154081 -0.07038707
P 69.4
From 1260 observations 2023 Oct. 8-2024 Apr. 19, mean residual 0".4.
Nongravitational parameters A1 = +3.46, A2 = +1.8566.
19P/Borrelly
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Feb. 2.03964 TT Rudenko
q 1.3063703 (2000.0) P Q
n 0.14383121 Peri. 351.97806 +0.38643144 -0.79289992
a 3.6077294 Node 74.21674 +0.87106363 +0.14582834
e 0.6378968 Incl. 29.31478 +0.30318128 +0.59164500
P 6.85
From 1473 observations 2022 Feb. 1-2024 Apr. 18, mean residual 0".5.
Nongravitational parameters A1 = -0.54, A2 = +0.2315.
29P/Schwassmann-Wachmann
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2019 May 2.75161 TT Rudenko
q 5.7859627 (2000.0) P Q
n 0.06618423 Peri. 51.95355 +0.98936628 -0.08207065
a 6.0529402 Node 312.40588 +0.01231221 +0.86988468
e 0.0441071 Incl. 9.35915 +0.14492332 +0.48637953
P 14.9
From 19004 observations 2018 June 18-2024 Apr. 20, mean residual 0".6.
32P/Comas Sola
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 20.60293 TT Rudenko
q 2.0245976 (2000.0) P Q
n 0.10146435 Peri. 54.66854 -0.31890906 -0.93734156
a 4.5526094 Node 54.53009 +0.80405158 -0.34594457
e 0.5552885 Incl. 9.92076 +0.50179485 -0.04139030
P 9.71
From 3583 observations 2013 Sept. 24-2024 Apr. 19, mean residual 0".7.
Nongravitational parameters A1 = +2.08, A2 = +0.7462.
37P/Forbes
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Oct. 11.25943 TT Rudenko
q 1.6177210 (2000.0) P Q
n 0.15294607 Peri. 330.07015 +0.25681392 +0.96008537
a 3.4629309 Node 314.55461 -0.85298028 +0.17124916
e 0.5328463 Incl. 8.94749 -0.45439108 +0.22115560
P 6.44
From 1355 observations 2011 Feb. 8-2024 Apr. 19, mean residual 0".6.
Nongravitational parameters A1 = +0.75, A2 = -0.0533.
48P/Johnson
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Mar. 2.60977 TT Rudenko
q 2.0064683 (2000.0) P Q
n 0.15047130 Peri. 216.76820 +0.82440992 +0.53004250
a 3.5007970 Node 110.06784 -0.45583396 +0.82967639
e 0.4268538 Incl. 12.20049 -0.33550513 +0.17519144
P 6.55
From 2267 observations 1949 Sept. 24-2024 Apr. 17, mean residual 0".8.
Nongravitational parameters A1 = +0.57, A2 = -0.0175.
62P/Tsuchinshan
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Dec. 25.11564 TT Rudenko
q 1.2649397 (2000.0) P Q
n 0.15938211 Peri. 47.30249 -0.43554636 -0.89687285
a 3.3690672 Node 68.66653 +0.79986176 -0.42480342
e 0.6245430 Incl. 4.73749 +0.41294131 -0.12313057
P 6.18
From 1800 observations 2023 Aug. 29-2024 Apr. 17, mean residual 0".5.
Nongravitational parameters A1 = +0.62, A2 = +0.5710.
65P/Gunn
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 June 16.84812 TT Rudenko
q 2.9254952 (2000.0) P Q
n 0.12841406 Peri. 213.76346 +0.09373686 +0.98559481
a 3.8909979 Node 61.97658 -0.87456256 +0.14908153
e 0.2481375 Incl. 9.17595 -0.47576647 -0.07985969
P 7.68
From 2541 observations 2013 Jan. 1-2024 Apr. 18, mean residual 0".6.
Nongravitational parameters A1 = -0.13, A2 = -0.0212.
89P/Russell
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 26.60814 TT Rudenko
q 2.2218441 (2000.0) P Q
n 0.13563273 Peri. 250.40152 +0.35674865 +0.92392777
a 3.7516851 Node 41.34562 -0.75946101 +0.37295144
e 0.4077744 Incl. 12.07205 -0.54401229 +0.08523319
P 7.27
From 220 observations 1980 Sept. 28-2024 Apr. 18, mean residual 0".8.
Nongravitational parameters A1 = +0.82, A2 = -0.0343.
103P/Hartley
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Oct. 12.50692 TT Rudenko
q 1.0641144 (2000.0) P Q
n 0.15218970 Peri. 181.30068 +0.75454678 -0.63876236
a 3.4743951 Node 219.74911 +0.60419900 +0.76568647
e 0.6937267 Incl. 13.61067 +0.25613027 +0.07554390
P 6.48
From 9056 observations 2004 Sept. 20-2024 Apr. 20, mean residual 0".7.
Nongravitational parameters A1 = +0.11, A2 = +0.0236.
118P/Shoemaker-Levy
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 24.45921 TT Rudenko
q 1.8290905 (2000.0) P Q
n 0.16087316 Peri. 314.88437 -0.12805937 -0.98590569
a 3.3482174 Node 142.08422 +0.95215008 -0.15259228
e 0.4537122 Incl. 10.09026 +0.27750860 +0.06859711
P 6.13
From 1854 observations 2015 Sept. 15-2024 Apr. 18, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0052.
125P/Spacewatch
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 7.29377 TT Rudenko
q 1.5266903 (2000.0) P Q
n 0.17804493 Peri. 87.13887 -0.48879081 +0.86887917
a 3.1293176 Node 153.15028 -0.85336830 -0.45754907
e 0.5121332 Incl. 9.98479 -0.18123488 -0.18893873
P 5.54
From 567 observations 2012 Dec. 8-2024 Apr. 20, mean residual 0".6.
Nongravitational parameters A1 = +0.06, A2 = +0.0102.
144P/Kushida
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 25.77011 TT Rudenko
q 1.3988570 (2000.0) P Q
n 0.13143983 Peri. 216.32103 -0.15944149 -0.98531747
a 3.8310521 Node 242.92550 +0.92113395 -0.12623909
e 0.6348635 Incl. 3.93190 +0.35509246 -0.11494857
P 7.50
From 2923 observations 2016 July 31-2024 Apr. 20, mean residual 0".5.
Nongravitational parameters A1 = +0.29, A2 = -0.0882.
150P/LONEOS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 12.46185 TT Rudenko
q 1.7455858 (2000.0) P Q
n 0.12946204 Peri. 246.11286 -0.88084401 -0.35080505
a 3.8699714 Node 272.05902 +0.45839733 -0.79977257
e 0.5489409 Incl. 18.54736 -0.11826123 -0.48713412
P 7.61
From 1207 observations 1978 Mar. 6-2024 Apr. 19, mean residual 0".4.
162P/Siding Spring
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2026 May 17.60291 TT Rudenko
q 1.2890517 (2000.0) P Q
n 0.18126307 Peri. 357.21542 +0.87927291 -0.41285951
a 3.0921685 Node 30.88742 +0.44546847 +0.53621017
e 0.5831237 Incl. 27.56318 +0.16863274 +0.73622393
P 5.44
From 3233 observations 1990 Mar. 23-2024 Apr. 18, mean residual 0".4.
204P/LINEAR-NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 Nov. 16.96746 TT Rudenko
q 1.8342638 (2000.0) P Q
n 0.14529809 Peri. 356.68726 -0.26207755 -0.95887740
a 3.5834068 Node 108.48457 +0.88803268 -0.28381390
e 0.4881229 Incl. 6.59633 +0.37777417 +0.00194766
P 6.78
From 939 observations 2015 Oct. 11-2023 May 14, mean residual 0".5.
Nongravitational parameters A1 = +0.21, A2 = -0.0075.
207P/NEAT
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 31.81677 TT Rudenko
q 0.9382493 (2000.0) P Q
n 0.12878476 Peri. 272.99143 -0.35584726 -0.93291323
a 3.8835275 Node 198.15585 +0.91228554 -0.33395410
e 0.7584028 Incl. 10.20133 +0.20275063 -0.13471289
P 7.65
From 953 observations 2000 Oct. 7-2024 Apr. 16, mean residual 0".9.
216P/LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Jan. 6.87633 TT Rudenko
q 2.1270745 (2000.0) P Q
n 0.13005059 Peri. 151.73384 -0.87910847 -0.47662144
a 3.8582868 Node 359.79867 +0.40222989 -0.74127235
e 0.4486998 Incl. 9.06302 +0.25569398 -0.47259635
P 7.58
From 371 observations 2001 Feb. 1-2024 Apr. 13, mean residual 0".7.
226P/Pigott-LINEAR-Kowalski
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Dec. 27.19138 TT Rudenko
q 1.7736743 (2000.0) P Q
n 0.13477739 Peri. 341.05154 +0.74462632 -0.35927245
a 3.7675413 Node 54.01215 +0.66611208 +0.34601378
e 0.5292223 Incl. 44.04592 +0.04273573 +0.86671666
P 7.31
From 651 observations 2023 July 26-2024 Apr. 12, mean residual 0".5.
Nongravitational parameters A1 = -0.42, A2 = +0.0776.
227P/Catalina-LINEAR
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Mar. 8.24920 TT Rudenko
q 1.6236168 (2000.0) P Q
n 0.15475416 Peri. 105.56993 -0.78710731 -0.61182714
a 3.4359051 Node 36.80815 +0.50393576 -0.71105467
e 0.5274559 Incl. 7.50857 +0.35568362 -0.34650946
P 6.37
From 824 observations 2017 Jan. 22-2024 Apr. 19, mean residual 0".4.
299P/Catalina-PANSTARRS
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Apr. 30.37389 TT Rudenko
q 3.1563634 (2000.0) P Q
n 0.10716768 Peri. 323.69155 -0.55979658 +0.80848252
a 4.3896191 Node 271.58279 -0.71102551 -0.58121923
e 0.2809482 Incl. 10.46785 -0.42552381 -0.09241330
P 9.20
From 491 observations 2005 Mar. 11-2024 Apr. 19, mean residual 0".6.
349P/Lemmon
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 27.13761 TT Rudenko
q 2.5100946 (2000.0) P Q
n 0.14560210 Peri. 255.79531 -0.67286996 +0.73837447
a 3.5784171 Node 331.75261 -0.63648184 -0.60903075
e 0.2985461 Incl. 5.48855 -0.37701046 -0.28962853
P 6.77
From 157 observations 2010 Mar. 14-2024 Apr. 17, mean residual 0".6.
479P/Elenin
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 5.24432 TT Rudenko
q 1.2437082 (2000.0) P Q
n 0.07392503 Peri. 263.52483 -0.91135958 +0.33512665
a 5.6226588 Node 295.83400 -0.18492594 -0.85207939
e 0.7788042 Incl. 15.39792 -0.36773103 -0.40205826
P 13.3
From 787 observations 2011 June 12-2024 Apr. 20, mean residual 0".5.