Nakano Note (Nakano wa Kangaeru noda) NK 2328 SOHO Returns in 2015
P/1999 R1 (SOHO) T = 2015 Sept. 4.08156 TT Epoch = 2015 Sept.15.0 TT Peri. = 48.94528 e = 0.9786338 Node = 359.61736 (2000.0) a = 2.5165991 AU Inc. = 12.63514 n'= 0.24687836 q = 0.0537701 AU P = 3.992 years From an orbit using 81 observations 1999-2007 by Nakano, See NK 1537. P/1999 J6 (SOHO) T = 2015 Sept.26.41046 TT Epoch = 2015 Sept.15.0 TT Peri. = 24.80382 e = 0.9848067 Node = 78.40226 (2000.0) a = 3.0902161 AU Inc. = 23.86429 n'= 0.18143489 q = 0.0469507 AU P = 5.432 years A1 = -0.424 +/- 0.57 A2 = -0.18895 +/- 0.00003 From an orbit using 224 observations 1999-2010 by Nakano, mean residual 12".6. Nongravitational parameters A1 = -0.42 +/- 0.57, A2 = -0.1890 +/- 0.00003. P/1999 U2 (SOHO) T = 2015 Dec. 3.72097 TT Epoch = 2015 Dec. 4.0 TT Peri. = 23.55382 e = 0.9847072 Node = 79.68779 (2000.0) a = 3.0690752 AU Inc. = 24.33864 n'= 0.18331280 q = 0.0469346 AU P = 5.377 years From an orbit using 54 observations 1999-2005 by Nakano, mean residual 15".50. See an orbit on HICQ 2009/2010.
Associate of Central Bureau for Astronomical Telegrams Syuichi Nakano 2011 Nov. 6