Nakano Note (Nakano wa Kangaeru noda) NK 4292
Epoch changed orbits from the previous NKs
(These are not published in NKs yet) C/2000 C4 (SOHO) T = 2023 Feb. 24.79067 TT Epoch = 2023 Feb. 25.0 TT Peri. = 25.94335 e = 0.9861709 Node = 76.78179 (2000.0) a = 3.2186749 AU Inc. = 21.61741 n'= 0.17068227 q = 0.0445114 AU P = 5.775 years From 82 observations 2000-2005 (unpublished on NK), mean residual 4".55. 5D/Brorsen T = 2023 Apr. 14.73713 TT Epoch = 2023 Apr. 6.0 TT Peri. = 20.45984 e = 0.8365846 Node = 94.83117 (2000.0) a = 3.1565207 AU Inc. = 18.62581 n'= 0.17574829 q = 0.5158242 AU P = 5.608 years A1 = +1.323 A2 = +0.13425 From NK 663 (= NK 946, NK 2740) using 120 observations 1868-1879, mean residual 2".69. D/1978 R1 (Haneda-Campos) T = 2023 Apr. 17.65501 TT Epoch = 2023 Apr. 6.0 TT Peri. = 307.18855 e = 0.6294576 Node = 66.48801 (2000.0) a = 3.4568922 AU Inc. = 4.94511 n'= 0.15334701 q = 1.2809253 AU P = 6.427 years From NK 779 orbit using 48 observations 1978 July 30-Nov. 29, mean residual 1".08. 322P/SOHO T = 2023 Aug. 21.11774 TT Epoch = 2023 Aug. 4.0 TT Peri. = 56.76878 e = 0.9799354 Node = 351.63073 (2000.0) a = 2.5074444 AU Inc. = 11.47265 n'= 0.24823162 q = 0.0503108 AU P = 3.971 years A1 = 0.0 (assumed) A2 = +0.00015 From NK 3010 orbit using 176 observations 1999-2015, mean residual 7".98. A/2014 XK6 T = 2023 Aug. 30.08107 TT Epoch = 2023 Sept.13.0 TT Peri. = 322.03019 e = 0.7370754 Node = 6.46904 (2000.0) a = 2.7142417 AU Inc. = 14.02312 n'= 0.22041000 q = 0.7136409 AU P = 4.472 years From NK 3391 orbit using 39 observations 2014 Apr. 4-2015 Jan. 10, mean residual 0".23. 354P/LINEAR T = 2023 Oct. 13.86831 TT Epoch = 2023 Oct. 23.0 TT Peri. = 132.69345 e = 0.1246228 Node = 320.07410 (2000.0) a = 2.2899790 AU Inc. = 5.25079 n'= 0.28441783 q = 2.0045953 AU P = 3.465 years From NK 3376 orbit using 211 observations 2009-2017, mean residual 0".81. 321P/SOHO T = 2023 Oct. 26.61005 TT Epoch = 2023 Oct. 23.0 TT Peri. = 172.74458 e = 0.9810623 Node = 165.01646 (2000.0) a = 2.4227848 AU Inc. = 20.07505 n'= 0.26135560 q = 0.0458820 AU P = 3.771 years From NK 3009 (= NK 3440) orbit using 83 observations 1997-2012, mean residual 11".70. P/2007 T2 (Kowalski) T = 2023 Nov. 15.62441 TT Epoch = 2023 Dec. 2.0 TT Peri. = 359.67214 e = 0.7855318 Node = 3.37954 (2000.0) a = 3.0439149 AU Inc. = 9.75578 n'= 0.18559032 q = 0.6528229 AU P = 5.311 years From NK 1568 orbit using 123 observations 2007 Oct. 9-2008 Jan. 18, mean residual 0".79. C/2002 R4 (SOHO) T = 2023 Nov. 27.58080 TT Epoch = 2023 Dec. 2.0 TT Peri. = 25.97638 e = 0.9843718 Node = 78.04615 (2000.0) a = 3.0466112 AU Inc. = 23.89137 n'= 0.18534399 q = 0.0476131 AU P = 5.318 years From 29 observations 2002-2007 (unpublished on NK), mean residual 9".76.
Associate of the CBAT Syuichi Nakano 2020 Dec. 23