Nakano Note (Nakano wa Kangaeru noda) NK 4273 263P/Gibbs
The following improved orbital elements, by T. Kobayashi, are from 155 observations 2006 to 2018. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.73 arc second. Orbit and third appearance depend upon one night re-observations in 2018. The comet has passed 0.45 AU from Jupiter on 2009 Apr. 24 UT. See the previous orbits in NK 1767 and NK 2280. Epoch = 2017 Oct. 14.0 TT T = 2017 Sept.29.85094 +/- 0.00005 (m.e.) TT Peri. = 34.60335 +/- 0.00009 Node = 105.83035 +/- 0.00007 (2000.0) Inc. = 11.53130 +/- 0.00002 q = 1.2627925 +/- 0.0000009 AU e = 0.5874341 +/- 0.0000002 a = 3.0608266 +/- 0.0000027 AU n' = 0.18405431 +/- 0.00000025 P = 5.355 +/- 0.0000071 years T = 2006 Dec. 28.75312 TT Epoch = 2006 Dec. 11.0 TT Peri. = 26.30141 e = 0.5869400 Node = 113.35391 (2000.0) a = 3.0291526 AU Inc. = 14.47102 n'= 0.18694866 q = 1.2512218 AU P = 5.272 years T = 2012 May 20.86034 TT Epoch = 2012 June 2.0 TT Peri. = 34.48855 e = 0.5872474 Node = 105.87684 (2000.0) a = 3.0608447 AU Inc. = 11.53463 n'= 0.18405268 q = 1.2633715 AU P = 5.355 years The predicted orbit for the 2023 return is as follows: T = 2023 Jan. 30.58142 TT Epoch = 2023 Jan. 16.0 TT Peri. = 35.04156 e = 0.5935569 Node = 105.51079 (2000.0) a = 3.0417562 AU Inc. = 11.52200 n'= 0.18578792 q = 1.2363008 AU P = 5.305 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2006/ 061228 246 1.3+ 0.3+ 070228 850 0.4+ 0.0 061110 291 0.7+ 0.3- 061228 246 1.7+ 0.5- 070228 850 0.2- 0.5+ 061110 291 0.2+ 0.6- 061230 246 0.3- 0.5+ 070228 850 0.9+ 0.0 061110 291 0.2- 0.5- 061230 246 0.7- 0.7+ 070302 J95 0.5- 0.1+ 061226 703 1.0- 0.5+ 061230 246 1.7- 2.1+ 070302 J95 0.9+ 0.1- 061226 703 0.0 1.7- 061230 246 0.2+ 0.2+ 070305 850 0.3+ 0.1- 061226 703 2.4- 0.6+ 061230 246 0.2- 1.3+ 070305 850 0.0 0.1+ 061226 703 1.5- 1.5+ 061230 246 0.5+ 1.0+ 070305 850 0.5+ 0.0 061226 703 0.5+ 0.8- 061230 246 0.4+ 0.7+ 070306 850 0.7+ 0.5- 061226 703 0.6+ 0.8- 061230 246 1.0- 0.3+ 070306 850 0.3+ 0.2+ 061226 703 1.4+ 0.4- 061230 213 1.7+ 0.0 070306 850 0.1+ 0.5- 061226 703 0.2- 0.1- 061230 213 2.1+ 0.1- 070313 703 1.7- 0.1- 061226 703 1.0- 0.3+ 061230 213 (2.5+ 0.0 ) 070313 703 (2.8- 0.7-) 061227 246 0.1- 0.2+ 061230 372 1.3+ 0.1+ 070313 703 2.3- 1.4- 061227 246 1.0+ 0.3- 061231 673 0.6+ 0.4- 070313 703 1.7- 0.6- 061227 246 0.7- 0.2+ 061231 673 0.5+ 0.3- 070326 703 0.3- 0.1+ 061227 246 0.7- 0.5- 061231 673 0.6+ 0.3- 070326 703 0.5+ 0.1- 061227 246 0.2- 0.2+ 061231 673 0.5+ 0.1- 070408 J95 0.7+ 0.4- 061227 246 0.2+ 1.1+ 061231 349 0.0 0.6+ 070408 J95 0.8+ 0.2+ 061227 246 1.4+ 0.2- 061231 349 0.2+ 0.9+ 070411 215 0.5+ 0.1+ 061227 473 0.1+ 0.1+ 2007/ 070411 215 0.7+ 0.2- 061227 473 0.1+ 0.3+ 070108 J95 0.3+ 0.7- 070411 215 0.5+ 0.3- 061227 473 0.1- 0.2+ 070108 J95 0.4+ 0.1- 070417 703 1.5+ 1.7+ 061227 461 0.3+ 0.3- 070108 J95 0.1- 0.3- 070417 703 0.2- 0.4- 061227 118 0.1+ 0.2- 070108 J95 0.5- 0.2- 070417 703 0.9- 0.9+ 061227 118 0.2- 0.0 070113 349 0.9- 0.5+ 070417 703 0.6- 0.3- 061227 461 0.3+ 0.1- 070113 349 0.6- 0.8+ 070424 703 0.3+ 0.4- 061227 461 0.2- 0.3- 070114 J95 0.5+ 0.2+ 070424 703 0.4- 0.7- 061227 461 0.3+ 0.4- 070114 J95 0.1- 0.0 070424 703 0.6- 0.4- 061227 118 0.2- 0.0 070114 J95 0.4+ 0.1- 070424 703 1.9- 1.0- 061227 854 0.1+ 0.3- 070116 703 0.3+ 1.2- 070511 703 0.7+ 0.3+ 061227 854 0.2+ 0.8+ 070116 703 0.7+ 1.5- 070511 703 0.2+ 0.3+ 061227 854 0.9- 0.3+ 070116 703 2.1+ 0.0 070511 703 0.9- 0.1+ 061227 703 0.8- 1.0- 070116 703 (3.6- 0.2+) 2011/ 061227 703 2.0- 0.1+ 070129 703 1.8- 0.1+ 110924 F51 0.3- 0.2- 061227 703 0.6+ 0.9- 070129 703 0.4- 1.8+ 110924 F51 0.6- 0.4- 061227 703 0.6- 0.6- 070129 703 0.3- 0.7- 110924 F51 0.6- 0.1- 061227 703 0.7- 1.0- 070129 703 2.1- 0.3+ 2012/ 061227 703 0.4- 0.4- 070204 J95 0.2+ 0.1+ 120516 H06 1.1+ 0.5- 061227 703 0.2- 0.0 070204 J95 0.3+ 0.1+ 120516 H06 0.0 0.1+ 061227 703 0.6+ 0.5- 070204 J95 0.1+ 0.1+ 120516 H06 0.8- 0.1- 061227 703 0.4- 0.0 070205 118 0.6+ 0.2- 120517 H06 0.8+ 0.7- 061227 703 0.7- 0.0 070205 118 0.1+ 1.2- 120517 H06 1.0+ 0.4- 061227 703 0.1+ 0.3- 070207 J95 0.4- 0.1+ 120517 H06 1.4+ 0.3- 061227 H36 0.5+ 0.4- 070207 J95 0.4- 0.3- 120613 H06 1.2- 1.2+ 061227 H36 1.0- 0.5- 070207 J95 0.3+ 0.2+ 120613 H06 0.3- 1.3+ 061227 H36 0.3- 1.1+ 070221 704 1.0+ 0.3+ 120614 H06 0.5- 0.2+ 061227 H36 0.1- 0.4+ 070221 704 1.0+ 0.7+ 120614 H06 1.2- 0.5- 061228 246 0.0 0.7+ 070221 704 0.6+ 0.5+ 120614 H06 0.5+ 0.4+ 061228 246 0.6+ 1.1+ 070221 704 0.5+ 0.2+ 2018/ 061228 246 0.1- 1.0+ 070221 703 0.3- 0.3- 180704 F51 0.4+ 0.4+ 061228 246 0.4- 0.8+ 070221 703 0.9- 0.5- 180704 F51 0.3+ 0.1+ 061228 246 0.0 0.1- 070221 704 0.6+ 0.1+ 180704 F51 0.3+ 0.3+ 061228 246 0.0 1.6- 070221 703 0.3+ 0.8+ 061228 246 0.7+ 1.2- 070221 703 1.2- 0.1- ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2020 Dec. 23