Nakano Note (Nakano wa Kangaeru noda) NK 3222 P/NEAT-LONEOS (2003 SQ215 = 2016 P3)
The following improved orbital elements, by S. Nakano, are from 73 observations 2003 to 2016. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.66 arc second. The residuals for recovery observations were +2.07 deg for Right Ascension and +0.89 deg for Declination from the prediction in NK 1166 (= HICQ 2015) with the delta-T correction = -5.7 days. Epoch = 2017 Feb. 16.0 TT T = 2017 Jan. 27.72523 +/- 0.00220 (m.e.) TT Peri. = 137.54342 +/- 0.00126 Node = 257.24262 +/- 0.00079 (2000.0) Inc. = 5.58178 +/- 0.00002 q = 2.2801939 +/- 0.0000172 AU e = 0.5835802 +/- 0.0000032 a = 5.4757091 +/- 0.0000107 AU n' = 0.07692075 +/- 0.00000023 P = 12.813 +/- 0.0000375 years T = 2004 Mar. 24.22952 TT Epoch = 2004 Mar. 16.0 TT Peri. = 137.30732 e = 0.5813683 Node = 257.63717 (2000.0) a = 5.5041464 AU Inc. = 5.54601 n'= 0.07632540 q = 2.3042104 AU P = 12.913 years The predicted orbit for the 2029 return is as follows: T = 2029 Nov. 5.71250 TT Epoch = 2029 Oct. 31.0 TT Peri. = 137.46471 e = 0.5840548 Node = 257.04267 (2000.0) a = 5.4689419 AU Inc. = 5.58961 n'= 0.07706357 q = 2.2747799 AU P = 12.790 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2003/ 040109 699 1.6+ 0.0 160707 F51 0.1+ 0.2+ 030918 644 0.5- 0.5+ 040109 699 (2.3+ 1.7+) 160707 F51 0.0 0.2+ 030918 644 0.2- 0.7+ 040109 699 0.4- 0.4+ 160707 F51 0.1+ 0.2+ 030918 644 0.7- 0.5+ 040117 620 0.8+ 0.1- 160809 106 0.6- 0.2+ 030924 644 0.4- 0.3+ 040117 620 0.1- 0.7- 160809 106 0.3+ 0.6- 030924 644 0.7- 0.1+ 040119 809 1.0- 0.4+ 160809 106 0.6+ 0.4- 030924 644 0.4- 0.0 040119 809 0.6- 0.5+ 160809 106 0.3- 0.6- 030927 699 1.9+ 0.4- 040119 809 0.7- 0.4+ 160812 F51 0.5+ 0.1- 030927 699 1.1+ 1.1- 040119 809 0.4- 0.4+ 160812 F51 0.5- 0.2+ 030927 699 0.1- 1.8- 040119 809 0.5- 0.6+ 160812 F51 0.3+ 0.1+ 030927 699 0.7- 1.8- 040119 809 0.4- 0.6+ 160812 F51 0.0 0.3+ 031123 703 (0.1+ 4.6-) 040119 809 0.5- 0.7+ 160813 U69 0.1- 0.6- 031123 703 1.6+ 0.8+ 040119 809 0.7- 0.6+ 160813 U69 0.0 0.4- 031123 703 1.4+ 0.0 040119 809 0.3- 0.7+ 160813 A71 0.7- 0.4- 031123 703 (1.0+ 2.7-) 040119 809 0.5- 0.6+ 160813 A71 0.7- 0.8- 031213 704 0.5- 0.1+ 040119 809 0.5- 0.6+ 160814 595 0.0 0.4- 031213 704 0.2- 0.2+ 040119 809 0.2- 0.5+ 160814 A71 1.0- 0.9- 031213 704 0.1- 0.4- 040119 809 0.6- 0.6+ 160814 C10 0.3- 0.8- 031213 704 0.1- 0.3- 040119 809 0.5- 0.5+ 160814 595 0.0 0.2- 031213 704 0.4- 0.4+ 040119 809 0.4- 0.5+ 160814 C10 0.0 0.5- 031222 704 0.9- 0.7- 040119 620 0.4+ 0.5- 160814 595 0.5- 0.4- 031222 704 0.6+ 0.0 040119 620 0.9+ 0.4+ 160814 C10 0.0 0.4- 031222 704 0.8- 0.1+ 040205 204 0.1- 1.3- 160814 W96 0.6- 0.2- 031222 704 0.5+ 0.6- 040205 204 0.2+ 0.5- 160814 W96 0.2+ 0.5- 031222 704 1.1+ 1.5- 040218 A33 1.6+ 1.8- 160814 W96 0.7- 0.7- 2004/ 040220 A33 0.9+ 1.0+ 040109 699 0.8+ 0.4- 2016/ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2016 Aug. 15