Nakano Note (Nakano wa Kangaeru noda) NK 3993
Epoch changed orbits from the previous NKs
(These are not published in NKs yet) P/2008 QP20 (LINEAR-Hill) T = 2022 Jan. 2.08613 TT Epoch = 2022 Jan. 21.0 TT Peri. = 75.54251 e = 0.4912990 Node = 322.06954 (2000.0) a = 3.5507207 AU Inc. = 7.52180 n'= 0.14730901 q = 1.8062551 AU P = 6.691 years From NK 2300 orbit using 474 observations 2008 Aug. 25-2009 Feb. 21, mean residual 0".58. D/1884 O1 (Barnard 1) T = 2022 Jan. 6.30638 TT Epoch = 2022 Jan. 21.0 TT Peri. = 346.62441 e = 0.5761625 Node = 328.58219 (2000.0) a = 3.0778723 AU Inc. = 10.04510 n'= 0.18252745 q = 1.3045176 AU P = 5.400 years From Berberich orbit in NK 1621 (= NK 2530) using 243 observations 1884 July 23-1984 Nov. 20. P/1999 N5 = 2005 E4 (SOHO) T = 2022 Feb. 24.78895 TT Epoch = 2022 Mar. 2.0 TT Peri. = 27.36284 e = 0.9853788 Node = 75.75684 (2000.0) a = 3.1838167 AU Inc. = 21.93375 n'= 0.17349301 q = 0.0465511 AU P = 5.681 years From 36 observations 1999-2005, mean residual 4".18. 135P/Shoemaker-Levy 8 T = 2022 Apr. 7.34992 TT Epoch = 2022 Apr. 11.0 TT Peri. = 22.32304 e = 0.2949333 Node = 213.02479 (2000.0) a = 3.8011971 AU Inc. = 6.06313 n'= 0.13299138 q = 2.6800976 AU P = 7.411 years From orbit in NK 1048 (= NK 2163) using 94 observations 1992-1999, mean residual 0".91. 182P/LONEOS T = 2022 May 12.24413 TT Epoch = 2022 May 21.0 TT Peri. = 54.23585 e = 0.6632062 Node = 72.45934 (2000.0) a = 2.9506201 AU Inc. = 16.22675 n'= 0.19446172 q = 0.9937505 AU P = 5.068 years From NK 2711 orbit using 184 observations 2001-2012, mean residual 0".51. P/1999 N5 = 2005 G2 (SOHO) T = 2022 July 9.39612 TT Epoch = 2022 June 30.0 TT Peri. = 25.97548 e = 0.9854743 Node = 77.26024 (2000.0) a = 3.2183819 AU Inc. = 22.92329 n'= 0.17070558 q = 0.0467493 AU P = 5.774 years From 39 observations 1999-2005, mean residual 5".76. 255P/Levy T = 2022 Sept. 7.56550 TT Epoch = 2022 Sept.18.0 TT Peri. = 186.02697 e = 0.7115936 Node = 275.65677 (2000.0) a = 2.9423455 AU Inc. = 13.39344 n'= 0.19528261 q = 0.8485912 AU P = 5.047 years A1 = +0.401 A2 = -0.39576 From NK 2214 orbit using 477 observations 2006-2012, mean residual 0".93. D/1952 B1 (Harrington-Wilson) T = 2022 Sept.21.71792 TT Epoch = 2022 Sept.18.0 TT Peri. = 1.68636 e = 0.6046508 Node = 118.10578 (2000.0) a = 3.1108188 AU Inc. = 14.44393 n'= 0.17963543 q = 1.2298598 AU P = 5.487 years From orbit in NK 839 (= NK 1621, NK 2740) using 7 observations 1952 Jan. 30-Feb. 25, mean residual 0".49. 214P/LINEAR T = 2022 Sept.26.22563 TT Epoch = 2022 Sept.18.0 TT Peri. = 190.18495 e = 0.4859286 Node = 348.24913 (2000.0) a = 3.6200818 AU Inc. = 15.18327 n'= 0.14309567 q = 1.8609807 AU P = 6.888 years From NK 2321 orbit using 131 observations 2002-2009, mean residual 0".66. 224P/LINEAR-NEAT T = 2022 Sept.29.96910 TT Epoch = 2022 Sept.18.0 TT Peri. = 16.66692 e = 0.4059111 Node = 40.03825 (2000.0) a = 3.4439229 AU Inc. = 13.30571 n'= 0.15421405 q = 2.0459963 AU P = 6.391 years From NK 2508 orbit using 90 observations 2003-2009, mean residual 0".50. P/2007 S1 (Zhao) T = 2022 Oct. 7.89321 TT Epoch = 2022 Sept.18.0 TT Peri. = 245.26843 e = 0.3394493 Node = 141.35360 (2000.0) a = 3.8220117 AU Inc. = 5.96112 n'= 0.13190646 q = 2.5246324 AU P = 7.472 years From orbit in NK 2299 using 72 observations 2007 Sept. 8-Oct. 16, mean residual 0".77. 197P/LINEAR T = 2022 Dec. 7.72712 TT Epoch = 2022 Dec. 7.0 TT Peri. = 188.75070 e = 0.6293513 Node = 66.36218 (2000.0) a = 2.8678739 AU Inc. = 25.52819 n'= 0.20293829 q = 1.0629737 AU P = 4.857 years A1 = -0.005 A2 = +0.00178 From NK 2848 orbit using 304 observations 2003-2013, mean residual 0".72.
Associate of the CBAT Syuichi Nakano 2019 Dec. 20