Nakano Note (Nakano wa Kangaeru noda) NK 1902 63P/Wild 1
The following improved orbital elements, by S. Nakano, are from 112 observations 1960 to 2000, including planetary perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas, Vesta, and non-gravitational effect of style II. The mean residual is +/- 0.93 arc second. See the previous orbitÄs in NK 645 and HICQ 2000. Epoch = 1999 Dec. 8.0 TT T = 1999 Dec. 27.08065 +/- 0.00053 (m.e.) TT Peri. = 167.99006 +/- 0.00025 Node = 358.52478 +/- 0.00007 (2000.0) Inc. = 19.93416 +/- 0.00005 q = 1.9608961 +/- 0.0000020 AU e = 0.6497070 +/- 0.0000003 a = 5.5978747 +/- 0.0000014 AU n' = 0.07441651 +/- 0.00000003 P = 13.244 +/- 0.0000048 years A1 = +1.113 +/- 0.089 A2 = -0.11327 +/- 0.00049 T = 1960 Mar. 17.36119 TT Epoch = 1960 Mar. 7.0 TT Peri. = 166.73795 e = 0.6545376 Node = 359.71416 (2000.0) a = 5.5779782 AU Inc. = 19.69549 n'= 0.07481503 q = 1.9269817 AU P = 13.174 years T = 1973 July 2.83972 TT Epoch = 1973 July 17.0 TT Peri. = 167.94568 e = 0.6470696 Node = 358.89739 (2000.0) a = 5.6117800 AU Inc. = 19.89725 n'= 0.07414009 q = 1.9805679 AU P = 13.294 years [ T = 1986 Oct. 1.05336 TT Epoch = 1986 Oct. 17.0 TT Peri. = 167.86083 e = 0.6471013 Node = 358.74193 (2000.0) a = 5.6024105 AU Inc. = 19.90936 n'= 0.07432616 q = 1.9770833 AU P = 13.261 years ] The predicted orbit for the 2013 return is as follows: T = 2013 Apr. 10.77395 TT Epoch = 2013 Apr. 18.0 TT Peri. = 169.00298 e = 0.6506801 Node = 358.01123 (2000.0) a = 5.5836592 AU Inc. = 19.78184 n'= 0.07470088 q = 1.9504835 AU P = 13.194 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1960/ 991108 349 0.3- 0.1+ 000104 402 0.5- 0.9- 600326 009 0.5- 3.3+ 991112 367 0.2+ 0.2- 000104 402 0.7- 1.0- 600406 009 1.1+ 3.4+ 991112 367 0.4- 0.2- 000104 402 0.6- 0.9- 600413 009 1.6- 1.9+ 991112 367 0.3+ 0.5- 000105 699 (1.6+ 2.6-) 600416 689 0.9+ 0.8+ 991112 367 0.3+ 0.1- 000105 699 0.8+ 1.7- 600416 689 1.0+ 0.9+ 991116 360 0.4- 0.0 000105 699 0.3- 1.2- 600421 689 0.8+ 0.1+ 991116 360 0.2- 0.1- 000125 349 0.7+ 0.7- 600421 689 0.7+ 0.6+ 991119 349 1.4- 0.0 000125 349 (2.9+ 0.4-) 600425 689 0.7+ 0.8+ 991119 349 1.2- 0.1- 000128 349 0.7+ 0.5+ 600425 689 0.7+ 0.4+ 991120 372 1.0- 0.0 000128 349 0.6+ 0.1- 600501 689 1.6+ 0.3- 991130 349 0.2- 0.3- 000128 349 0.6+ 0.3+ 600501 689 1.0+ 0.1+ 991130 349 0.2- 0.5- 000205 170 1.4+ 1.2- 600516 689 1.5+ 0.4+ 991130 349 1.1- 1.3- 000210 900 0.3- 0.3- 600516 689 1.8+ 0.1+ 991202 372 0.7- 0.3- 000210 900 0.4- 0.1- 600621 689 0.9+ 1.0- 991203 897 0.0 0.0 000211 349 1.4+ 0.0 600622 689 1.5+ 0.1+ 991203 897 0.2- 0.5+ 000211 349 1.9+ 0.9- 600627 689 2.4+ 1.1- 991207 360 0.5- 0.2- 000211 349 1.6+ 1.3- 1973/ 991207 360 0.4- 0.1- 000229 372 1.0- 0.7+ 730108 691 0.8- 0.0 991209 349 0.4- 0.5- 000302 474 0.9- 0.0 730129 691 (1.1+ 7.8+)Y 991209 349 0.4+ 0.3+ 000302 474 0.1+ 0.5- 730204 693 1.3- 0.0 991209 349 0.5+ 0.4- 000302 474 0.0 0.5- 730204 693 0.7- 1.9+ 991211 372 0.6- 0.2+ 000302 372 2.1- 0.8+ 730326 691 1.1+ 0.3+ 991212 355 1.2+ 0.3- 000302 372 2.2- 0.2+ 730326 691 0.8+ 0.4+ 991212 355 0.8+ 0.6- 000313 360 0.8- 0.1+ 730427 691 0.8- 0.8- 991212 355 0.9+ 0.3- 000313 360 0.7- 0.1- 730427 691 1.0- 0.6- 991215 903 0.0 0.8- 000314 704 0.1- 0.8- 730605 691 2.0+ 0.4+ 991215 903 1.3+ 1.1- 000314 704 (2.8+ 2.4-) 730605 691 1.7+ 0.5+ 991215 372 0.4+ 0.2- 000314 704 1.0+ 0.6- 1999/ 991215 897 1.8- 1.6- 000314 704 0.3- 0.1+ 990214 693 0.8+ 0.6+ 991215 897 1.2- 0.4- 000314 704 (1.0+ 2.4-) 990214 693 1.6+ 0.8+ 991217 118 0.3+ 0.3+ 000326 834 (3.0- 1.3+) 991024 897 2.0- 1.4+ 991217 118 0.3- 0.2+ 000328 834 0.7- 0.6- 991024 897 2.0- 0.3+ 991221 349 0.2- 0.4- 000328 834 0.4- 0.1- 991024 897 0.6- 1.1- 991221 349 0.5+ 0.2+ 000411 402 1.3- 0.2- 991024 897 0.0 2.0- 991227 349 1.3+ 0.4- 000411 402 1.2- 0.5+ 991104 897 1.9- 1.1+ 991227 349 0.2- 0.3+ 000411 402 1.0- 1.8- 991104 897 1.6- 0.3- 991231 897 0.8- 0.3+ 000424 834 (3.2+ 2.9-) 991104 897 0.7- 0.3+ 991231 897 1.2+ 0.5- 000425 834 1.4- 0.7+ 991104 897 0.9- 0.6- 2000/ 000425 834 0.4- 1.2- 991104 897 0.7- 0.1+ 000101 349 0.0 0.1- 000428 360 0.1- 0.2+ 991108 349 0.9- 0.9+ 000101 349 1.0+ 1.0- 000428 360 0.2+ 0.6+ ( ) -------- Rejected Obs.
Associate of Central Bureau for Astronomical Telegrams Syuichi Nakano 2010 Apr. 6