OAA computing section circular NK 769 P/2000 S3
The following improved orbital elements, by S. Nakano, are from 29 observations 2000 Sept. 20 to 2000 Dec. 27. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.62 arc second. Epoch = 2000 Aug. 4.0 TT T = 2000 July 16.27876 +/- 0.01385 (m.e.) TT Peri. = 298.26431 +/- 0.00482 Node = 41.15261 +/- 0.00071 (2000.0) Inc. = 25.16461 +/- 0.00056 q = 2.6621814 +/- 0.0000747 AU e = 0.7721816 +/- 0.0000445 a = 11.6855403 +/- 0.0001973 AU n' = 0.02467351 +/- 0.00000062 P = 39.946 +/- 0.0010116 years (+/- 0.37 day) The predicted orbit for the 2040 return is as follows: T = 2040 June 7.51789 TT Epoch = 2040 June 15.0 TT Peri. = 298.54635 e = 0.7729914 Node = 40.68732 (2000.0) a = 11.7056270 AU Inc. = 25.08625 n'= 0.02461002 q = 2.6572781 AU P = 40.049 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2000/ 001002 711 0.4- 0.0 001103 360 0.7+ 0.7- 000920 704 0.5+ 0.7- 001002 711 0.1- 0.3- 001103 360 0.9+ 0.4- 000920 704 0.2- 1.0- 001002 711 0.4- 0.5- 001222 360 0.9+ 0.7+ 000920 704 1.0+ 0.0 001002 699 0.7- 0.4+ 001222 360 0.6- 0.4+ 000920 704 1.4+ 1.0+ 001002 688 0.1+ 0.1+ 001222 360 0.8+ 0.9+ 000920 704 0.1+ 1.5+ 001002 699 0.9- 0.1- 001222 360 0.4- 0.1+ 000929 699 0.4- 0.2- 001002 688 0.2- 0.0 001227 360 0.3+ 0.1+ 000929 699 0.6- 0.2+ 001002 699 0.4- 0.3+ 001227 360 1.0- 0.5+ 000929 699 0.3+ 0.4+ 001002 699 0.0 0.5- 001227 360 0.6+ 1.0- 000929 699 0.3- 0.4- 001103 360 0.0 0.4+ 001227 360 0.9- 1.0- ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 2001 Jan. 12