Nakano Note (Nakano wa Kangaeru noda) NK 3023 252P/LINEAR
The following improved orbital elements, by S. Nakano, are from 154 observations 2000 to 2015, 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 +/- 0.55 arc second. The residuals for re-observations between 2015 September-November were around -37" and +2" from the prediction in NK 2104 (= HICQ 2015) with the delta-T correction = +0.02 day. See the previous orbits in NK 811 and NK 2104. Epoch = 2016 Apr. 2.0 TT T = 2016 Mar. 15.27295 +/- 0.00022 (m.e.) TT Peri. = 343.31332 +/- 0.00014 Node = 190.95224 +/- 0.00006 (2000.0) Inc. = 10.42329 +/- 0.00001 q = 0.9961064 +/- 0.0000003 AU e = 0.6732818 +/- 0.0000003 a = 3.0488245 +/- 0.0000008 AU n' = 0.18514220 +/- 0.00000008 P = 5.324 +/- 0.0000022 years A1 = +0.280 +/- 0.009 A2 = +0.02044 +/- 0.00036 T = 2000 Mar. 9.80949 TT Epoch = 2000 Feb. 26.0 TT Peri. = 343.28810 e = 0.6723351 Node = 191.03286 (2000.0) a = 3.0607447 AU Inc. = 10.37398 n'= 0.18406169 q = 1.0028986 AU P = 5.355 years [ T = 2005 July 13.74788 TT Epoch = 2005 July 9.0 TT Peri. = 343.34659 e = 0.6730891 Node = 190.98102 (2000.0) a = 3.0542884 AU Inc. = 10.39496 n'= 0.18464562 q = 0.9984803 AU P = 5.338 years ] T = 2010 Nov. 13.67017 TT Epoch = 2010 Nov. 20.0 TT Peri. = 343.29729 e = 0.6727477 Node = 190.99713 (2000.0) a = 3.0561327 AU Inc. = 10.38990 n'= 0.18447850 q = 1.0001264 AU P = 5.343 years The predicted orbit for the 2021 return is as follows: T = 2021 July 11.22765 TT Epoch = 2021 July 5.0 TT Peri. = 343.30110 e = 0.6720101 Node = 190.94596 (2000.0) a = 3.0506893 AU Inc. = 10.40977 n'= 0.18497248 q = 1.0005952 AU P = 5.328 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2000/ 000415 046 0.3+ 0.1+ 000504 900 0.1+ 0.1+ 000407 704 0.7+ 0.2+ 000415 046 0.2+ 0.3+ 000508 900 0.9- 0.5+ 000407 704 1.1+ 0.7- 000415 046 0.1+ 0.3+ 000508 900 1.5- 0.1+ 000408 046 0.1+ 0.5- 000416 349 0.8- 0.9+ 000511 118 0.1- 0.3- 000408 046 0.6+ 0.2+ 000416 349 0.6+ 1.2+ 000511 118 0.1+ 0.4+ 000408 046 0.2- 0.1+ 000416 349 0.7- 1.3+ 000511 118 0.5- 0.5+ 000408 046 1.6- 1.7+ 000419 850 0.2+ 0.6- 000513 658 0.4+ 0.2+ 000408 734 0.0 0.9+ 000419 850 0.0 1.6- 000513 658 0.3+ 0.2+ 000408 734 0.1- 0.5+ 000419 850 0.2+ 0.5- 000513 402 0.1- 0.1- 000408 734 0.8- 1.0- 000419 850 0.2- 1.0- 000513 402 0.4+ 0.1- 000409 046 0.5+ 0.5+ 000423 349 0.7- 0.4+ 000513 402 0.3- 0.1+ 000409 046 0.8+ 0.2- 000423 349 0.6+ 0.3- 000514 118 0.2- 0.3- 000409 046 0.4+ 0.5+ 000423 349 0.1+ 0.1- 000514 118 0.4- 0.2- 000409 046 0.4+ 0.1+ 000424 402 1.9+ 0.6- 000514 349 1.1- 0.1+ 000409 046 0.3+ 0.2+ 000424 402 0.3+ 0.3+ 000514 349 (2.6- 0.3+) 000409 046 0.8+ 0.2+ 000424 402 0.1+ 0.3+ 000529 402 0.3+ 0.0 000410 850 0.6- 0.5- 000427 704 0.0 0.5+ 000529 402 0.6+ 1.3- 000410 850 0.6- 1.1- 000427 704 0.9- 1.1- 000529 402 0.5+ 0.8- 000410 850 0.8- 1.1- 000427 704 0.1- 0.2+ 000529 360 0.4+ 0.2- 000410 850 1.0- 0.2- 000427 704 0.3- 0.3- 000529 360 0.3+ 0.0 000410 850 0.1- 0.4- 000427 704 0.1- 0.5- 000601 704 1.5+ 0.8- 000410 850 (2.0- 1.0+) 000427 704 0.2+ 0.4- 000601 704 0.4+ 0.2+ 000410 850 0.5+ 1.5- 000427 704 0.5+ 1.2- 000601 704 0.5- 0.6+ 000410 372 1.7- 0.1+ 000427 704 1.4- 0.6- 000607 695 0.5+ 0.2+ 000410 372 0.4- 0.3- 000427 704 1.4- 0.0 000607 695 0.4+ 0.2+ 000411 402 0.1- 0.1- 000427 704 0.2- 0.1- 000607 360 0.6+ 0.5- 000411 402 0.1- 0.0 000427 704 0.7- 0.2- 000607 360 0.9+ 0.4- 000411 402 0.2+ 0.3- 000427 704 1.4- 0.5+ 000607 402 0.1+ 0.3- 000411 402 0.6+ 0.2+ 000428 118 0.2- 0.0 000607 402 0.3- 0.0 000412 704 (0.5- 2.0+) 000428 118 0.1- 0.3+ 000607 402 1.2+ 0.3- 000412 704 0.3- 0.4- 000428 349 1.2+ 1.1- 000707 695 0.3+ 0.1- 000412 704 0.2- 0.3- 000428 349 1.2+ 0.0 000707 695 0.7+ 0.0 000412 372 (0.7- 2.2+) 000429 118 0.2- 0.4+ 000707 695 0.5+ 0.1- 000412 372 0.4- 1.7+ 000429 118 0.0 0.1- 2011/ 000412 360 0.8+ 0.7+ 000429 118 0.1+ 0.2- 110609 291 0.2+ 0.9+ 000412 360 0.8+ 0.8+ 000429 402 0.8+ 0.3- 110609 291 0.4+ 1.3+ 000412 360 1.0+ 0.9+ 000429 402 0.6+ 0.4+ 110609 291 0.6- 1.2+ 000413 704 1.1+ 0.1- 000501 348 (0.9+ 2.1-) 110610 291 0.8+ 1.0+ 000413 704 0.3+ 0.2- 000501 348 1.1- 0.0 110610 291 (1.1- 2.3+) 000413 704 (0.2+ 2.2-) 000501 903 0.4- 1.5- 110610 291 0.1- 0.1+ 000413 704 0.5- 0.9+ 000501 903 1.6- 1.2- 110610 291 0.1+ 0.9+ 000413 704 0.8+ 0.3- 000501 402 0.6+ 1.4- 110610 291 0.4+ 0.6+ 000413 704 0.1+ 1.8- 000501 402 0.5- 1.1- 110610 291 0.8- 0.1- 000413 704 (4.3- 0.3-) 000502 118 0.3- 0.4+ 110610 291 0.4- 0.1- 000413 704 (1.5- 2.2-) 000502 118 0.1- 0.6+ 2015/ 000413 704 (2.1- 0.5+) 000502 860 1.5- 1.0+ 150910 568 0.0 0.0 000413 704 (2.8- 2.6-) 000502 860 0.9- 0.1+ 150915 568 0.1- 0.0 000414 860 0.7- 0.6+ 000503 360 0.3+ 0.8+ 150915 568 0.1- 0.1+ 000414 860 0.1- 0.2+ 000503 360 0.3+ 0.8+ 151024 G37 0.0 0.2+ 000414 860 0.5- 1.5+ 000503 360 0.0 0.4+ 151024 G37 0.1+ 0.1+ 000414 704 0.5+ 0.4+ 000503 900 (2.1- 0.9-) 151024 G37 0.0 0.0 000414 704 0.2- 0.0 000503 900 0.5- 0.3- 151024 G37 0.1- 0.2- 000414 704 0.5+ 0.6+ 000504 704 0.1- 0.3- 151106 568 0.0 0.1- 000415 118 0.2- 0.3- 000504 704 0.3- 0.6- 151106 568 0.1+ 0.0 000415 118 0.6+ 0.3+ 000504 704 1.1+ 0.8+ 151106 568 0.1+ 0.0 000415 046 0.3- 0.3+ 000504 704 0.2- 0.6+ 000415 046 0.4+ 0.4+ 000504 900 0.4- 0.6+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2015 Dec. 6