Nakano Note (Nakano wa Kangaeru noda) NK 3653 283P/Spacewatch
The following improved orbital elements, by T. Kobayashi, are from 107 observations 1996 to 2013. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.58 arc second. See the previous orbit in NK 2487. Epoch = 2013 Apr. 18.0 TT T = 2013 Apr. 7.17292 +/- 0.00075 (m.e.) TT Peri. = 22.10855 +/- 0.00022 Node = 161.22343 +/- 0.00006 (2000.0) Inc. = 14.46689 +/- 0.00003 q = 2.1250937 +/- 0.0000014 AU e = 0.4856580 +/- 0.0000004 a = 4.1316744 +/- 0.0000041 AU n' = 0.11735861 +/- 0.00000018 P = 8.398 +/- 0.0000125 years T = 1996 June 4.19061 TT Epoch = 1996 June 6.0 TT Peri. = 21.13426 e = 0.4872092 Node = 161.45811 (2000.0) a = 4.1179172 AU Inc. = 14.47966 n'= 0.11794721 q = 2.1116301 AU P = 8.356 years T = 2004 Nov. 3.16940 TT Epoch = 2004 Nov. 11.0 TT Peri. = 21.67847 e = 0.4843298 Node = 161.39184 (2000.0) a = 4.1465454 AU Inc. = 14.48391 n'= 0.11672784 q = 2.1382498 AU P = 8.444 years The predicted orbit for the 2021 return is as follows: T = 2021 Sept. 8.01840 TT Epoch = 2021 Sept.23.0 TT Peri. = 22.24978 e = 0.4848200 Node = 161.12916 (2000.0) a = 4.1387425 AU Inc. = 14.45522 n'= 0.11705810 q = 2.1321974 AU P = 8.420 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1996/ 130401 703 (1.8- 3.0-) 130502 K92 0.2+ 0.1- 960217 691 0.3+ 0.7- 130401 703 0.5- 0.9- 130502 K92 0.1+ 0.0 960217 691 1.2- 1.3- 130401 703 0.4+ 0.7- 130502 K92 0.1- 0.1+ 960217 691 0.5+ 0.3+ 130401 703 0.7- 0.5- 130502 K92 0.1+ 0.1- 2005/ 130407 691 0.2- 0.5- 130502 K92 0.1- 0.1+ 050503 703 1.1- 1.3+ 130407 691 0.2- 0.2- 130502 K92 0.0 0.1+ 050503 703 0.5+ 1.2+ 130407 691 0.2- 0.7- 130502 K92 0.1+ 0.1- 050503 703 0.5- 0.7+ 130428 Q62 0.9+ 0.5+ 130502 K92 0.1- 0.0 050503 703 1.6- 1.2+ 130428 Q62 1.1+ 0.1- 130503 372 0.1- 0.1+ 050520 644 0.9+ 0.8- 130428 Q62 0.3+ 0.6- 130503 372 0.1- 0.1+ 050520 644 1.1+ 0.5- 130428 D29 0.4- 0.8- 130503 372 0.1+ 0.3- 050520 644 0.4+ 0.7- 130428 D29 0.3+ 0.8- 130505 367 0.8+ 0.6- 050616 691 0.5+ 0.3+ 130428 D29 (0.4+ 2.8-) 130505 367 0.6+ 0.5- 050616 691 0.6+ 0.5- 130429 H06 0.5+ 0.1- 130506 K38 0.2+ 0.4- 050616 691 0.2+ 0.3+ 130429 H06 0.4+ 0.2- 130506 K38 0.5+ 0.4- 2013/ 130429 H06 0.4+ 0.4- 130514 215 0.4+ 0.0 130202 691 0.4- 0.4+ 130429 695 0.2- 0.2- 130514 215 0.3+ 0.1+ 130202 691 0.4- 0.8+ 130429 695 0.2- 0.1- 130514 215 0.4+ 0.1+ 130202 691 1.0- 0.7- 130429 695 0.3- 0.2+ 130601 703 0.2- 0.5+ 130206 691 0.5+ 0.6+ 130430 G84 0.3+ 0.0 130601 703 0.5+ 0.7- 130206 691 0.0 0.6+ 130430 G84 0.1+ 0.0 130601 703 0.1+ 0.0 130206 691 0.4- 0.9+ 130430 G84 0.1+ 0.0 130601 703 0.3- 1.2+ 130214 703 0.8- 1.3+ 130430 695 0.3- 0.1- 130601 703 0.9+ 0.4- 130214 703 (2.2- 1.3+) 130430 695 0.2- 0.1- 130601 703 (2.4+ 0.0 ) 130214 703 0.1+ 1.2+ 130430 695 0.0 0.1- 130601 703 0.7+ 0.2+ 130214 703 0.3- 0.8+ 130501 H21 0.3+ 0.1- 130601 703 0.0 0.1+ 130302 691 1.1- 0.7+ 130501 H21 0.2+ 0.2- 130601 703 0.5+ 1.7- 130302 691 0.1+ 0.6+ 130501 H21 0.2+ 0.2- 130601 703 0.3+ 1.4- 130302 691 0.3- 0.8+ 130501 H01 0.3- 0.1+ 130601 703 1.1+ 1.1- 130305 D29 0.5- 0.3+ 130501 H01 0.2- 0.1+ 130611 703 0.8+ 0.6- 130305 D29 1.0- 0.0 130501 H01 0.2- 0.2+ 130611 703 0.3+ 0.6- 130305 D29 0.9- 0.2+ 130501 H01 0.2- 0.1+ 130611 703 0.2- 0.1- 130323 I41 0.1+ 0.2+ 130501 C95 0.1- 0.4- 130611 703 0.3- 0.3+ 130323 I41 0.3+ 0.1+ 130501 C95 0.4+ 0.1- 130711 W96 0.2- 0.4+ 130323 I41 0.2+ 0.5+ 130502 D95 0.4+ 0.1+ 130712 W96 1.2- 0.4+ 130324 I41 0.0 0.3+ 130502 D95 0.8+ 0.8+ 130808 291 1.6- 0.7+ 130324 I41 0.1+ 0.2+ 130502 D95 0.4+ 0.0 130808 291 1.4- 1.0+ 130324 I41 0.1+ 0.1+ 130502 K92 0.2- 0.1- 130808 291 1.4- 0.7+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2018 Aug. 3