Nakano Note (Nakano wa Kangaeru noda) NK 2530 The Return Comets in 2016 (Missing Comet & SOHO Comets) D/1894 F1 (Denning) T = 2016 Mar. 6.73502 TT Epoch = 2016 Feb. 22.0 TT Peri. = 197.22282 e = 0.6625490 Node = 297.56507 (2000.0) a = 4.1008350 AU Inc. = 5.28817 n'= 0.11868495 q = 1.3838309 AU P = 8.304 years From Buckley orbit. D/1918 W1 (Schorr) T = 2016 Apr. 6.64669 TT Epoch = 2016 Apr. 2.0 TT Peri. = 326.67526 e = 0.3159725 Node = 75.92329 (2000.0) a = 4.1672367 AU Inc. = 6.80026 n'= 0.11585954 q = 2.8505045 AU P = 8.507 years From NK 1055 orbit using 19 observations 1918 Nov. 23-1918 Dec. 31, mean residual 1".54. C/2001 D1 = 2004 X7 = 2008 S2 (SOHO) T = 2016 Apr. 10.40759 TT Epoch = 2016 Apr. 2.0 TT Peri. = 172.57054 e = 0.9812362 Node = 165.16108 (2000.0) a = 2.4223334 AU Inc. = 20.22749 n'= 0.26142866 q = 0.0454521 AU P = 3.770 years From NK 1769 orbit using 56 observations 2001-2008, mean residual 8".42. C/1999 N5 = 2005 E4 (SOHO) T = 2016 July 1.49674 TT Epoch = 2016 June 21.0 TT Peri. = 23.94527 e = 0.9850070 Node = 79.59388 (2000.0) a = 3.1788713 AU Inc. = 24.64216 n'= 0.17389803 q = 0.0476609 AU P = 5.668 years From HICQ 2010/2011 orbit using 36 observations 1999 July 10-2005 Mar. 11, mean residual 4.18. C/2000 O3 = 2005 W4 = 2011 E1 (SOHO) T = 2016 July 1.93911 TT Epoch = 2016 June 21.0 TT Peri. = 57.71560 e = 0.9825279 Node = 44.34760 (2000.0) a = 3.0440093 AU Inc. = 13.06730 n'= 0.18558169 q = 0.0531851 AU P = 5.311 years A1 = +0.000 A2 = -0.00783 From 165 observations 2000-2011, mean residual 3.70. D/1884 O1 (Barnard 1) T = 2016 Aug. 10.79075 TT Epoch = 2016 July 31.0 TT Peri. = 346.56283 e = 0.5748768 Node = 328.61481 (2000.0) a = 3.0814191 AU Inc. = 10.03106 n'= 0.18221239 q = 1.3099826 AU P = 5.409 years From NK 1621 orbit using 243 observations 1884 July 23-1884 Nov. 20, mean residual 0.00. C/1999 N5 = 2005 G2 (SOHO) T = 2016 Oct. 11.70719 TT Epoch = 2016 Oct. 19.0 TT Peri. = 23.74205 e = 0.9851982 Node = 79.84977 (2000.0) a = 3.2134296 AU Inc. = 24.93915 n'= 0.17110034 q = 0.0475644 AU P = 5.760 years From NK 1620 (= HICQ 2010/2011) orbit using 39 observations 1999-2005, mean residual 5".76. C/1999 X3 = 2004 E2 = 2008 K10 (SOHO) T = 2016 Nov. 23.83944 TT Epoch = 2016 Nov. 28.0 TT Peri. = 353.20689 e = 0.9846888 Node = 324.14333 (2000.0) a = 2.5840412 AU Inc. = 5.23925 n'= 0.23727661 q = 0.0395647 AU P = 4.154 years From NK 1774 (= HICQ 2012) orbit using 25 observations 1999-2008, mean residual 5".27.
Associate of the CBAT Syuichi Nakano 2013 June 12