Nakano Note (Nakano wa Kangaeru noda) NK 2716 229P/Gibbs

The following improved orbital elements, by T. Kobayashi, are from 122 observations 2001 to 2010. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.70 arc second. See the previous orbit in NK 1862 (= HICQ 2010). Epoch = 2009 July 28.0 TT T = 2009 Aug. 4.17861 +/- 0.00176 (m.e.) TT Peri. = 224.00233 +/- 0.00062 Node = 157.98068 +/- 0.00010 (2000.0) Inc. = 26.11014 +/- 0.00004 q = 2.4401208 +/- 0.0000106 AU e = 0.3780239 +/- 0.0000020 a = 3.9231748 +/- 0.0000205 AU n' = 0.12683748 +/- 0.00000102 P = 7.771 +/- 0.0000608 years T = 2001 Sept.24.27523 TT Epoch = 2001 Sept. 8.0 TT Peri. = 220.10649 e = 0.3594693 Node = 160.27543 (2000.0) a = 3.8915053 AU Inc. = 27.34810 n'= 0.12838894 q = 2.4926287 AU P = 7.677 years The predicted orbit for the 2017 return is as follows: T = 2017 May 20.75685 TT Epoch = 2017 May 7.0 TT Peri. = 224.14605 e = 0.3761103 Node = 157.90831 (2000.0) a = 3.9362332 AU Inc. = 26.06731 n'= 0.12620683 q = 2.4557753 AU P = 7.809 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2001/ 090925 349 (2.3- 0.0 ) 091118 I10 0.0 0.5- 010823 608 (1.3+ 2.1-) 090927 213 0.0 0.4- 091118 I10 0.8- 1.1+ 010824 608 0.4+ 1.2- 090927 213 0.2+ 0.2- 091118 703 (0.1- 3.1+) 010924 644 0.0 1.3- 090927 213 0.1- 0.3- 091118 703 (2.4- 4.2+) 010924 644 0.1+ 0.9- 090927 A77 0.4+ 0.3- 091118 703 (1.7- 3.9+) 011027 644 0.5+ 0.3- 090927 A77 0.0 0.7- 091118 703 (2.5- 4.7+) 011027 644 0.4- 0.2- 090927 A77 0.2+ 0.8- 091119 900 (1.0- 2.6+) 011027 644 0.2- 0.0 090928 H06 0.3- 1.2- 091119 900 (0.1- 4.9+) 2009/ 090928 H06 0.9- 0.6- 091120 I10 0.9- 1.4+ 090920 703 0.2- 0.7- 090928 585 (2.1- 1.1-) 091120 I10 0.3- 1.1+ 090920 703 0.8- 0.8- 090928 585 (2.6- 0.7-) 091120 H10 0.7- 0.7+ 090920 703 (1.7- 0.3-) 090929 204 0.3+ 0.3- 091120 H10 (0.7- 1.5+) 090920 703 1.1- 0.3- 090929 850 0.5- 0.5+ 091120 H10 (1.2- 2.0+) 090920 703 0.6- 0.8- 090929 850 1.1- 1.1- 091124 A77 0.3- 1.0+ 090920 703 0.1- 0.1- 090929 850 (2.8- 0.4-) 091125 I10 (1.5- 1.1+) 090920 703 0.6+ 0.7- 090930 A77 0.6- 0.3+ 091125 I10 1.0- 0.9+ 090920 703 0.2+ 0.1- 090930 A77 0.3+ 0.9- 091201 900 (1.3- 3.8+) 090920 D90 0.3+ 0.7- 091010 474 0.0 0.0 091201 900 (0.1+ 1.7+) 090920 D90 0.0 0.4- 091010 474 0.3- 0.0 091205 I10 (1.9+ 1.1+) 090921 I21 (2.1+ 1.4-) 091010 474 0.1- 0.1+ 091205 I10 (3.4+ 0.9-) 090921 I21 (1.5+ 1.8-) 091010 474 0.0 0.4+ 091205 I10 (3.6+ 0.4-) 090921 I20 0.1- 0.4+ 091014 372 1.1- 0.1+ 091205 I10 (1.7- 0.4+) 090921 I20 0.2- 0.3+ 091015 900 0.3- 0.0 091205 I10 0.0 0.8+ 090921 I20 0.6- 0.5+ 091015 900 0.6- 0.7+ 091205 I10 0.6- 0.4- 090921 H06 0.1+ 0.1+ 091015 585 (0.6+ 3.3+) 091208 A77 (0.3- 2.3+) 090921 H36 0.1+ 0.7- 091015 585 (0.0 4.7+) 091208 A77 (0.2- 1.8+) 090921 H36 0.4- 0.3- 091018 585 0.5+ 0.3+ 091208 A77 (0.2+ 3.7+) 090921 H36 0.6+ 0.9- 091019 349 0.7- 0.3+ 091214 J01 0.3- 0.6+ 090921 H06 0.8+ 0.5- 091019 349 1.4- 0.9+ 091214 J01 0.4- 1.3+ 090921 H36 0.9+ 0.4- 091020 H45 0.2- 0.8+ 091217 900 1.3- 1.4+ 090921 H06 0.1- 0.1- 091020 H45 0.7- 1.2+ 091217 900 0.3+ 1.1+ 090921 H36 0.4+ 0.8- 091020 H45 (1.1- 1.7+) 091218 900 (0.5+ 3.1+) 090921 H06 0.2- 0.2+ 091020 H45 1.1- 0.7+ 091218 900 (3.0+ 6.9+) 090921 H06 0.8- 0.4+ 091020 H45 0.6- 1.4+ 091220 H23 0.8+ 0.4+ 090921 F65 1.2+ 0.5- 091020 900 (2.6- 3.2+) 091220 H23 0.4- 0.5- 090921 F65 1.0+ 0.6- 091020 900 (2.4+ 0.8+) 091220 H23 (0.2- 1.9+) 090921 F65 (1.5+ 0.4-) 091020 E16 0.6- 0.7+ 2010/ 090921 F65 (1.5+ 0.6-) 091020 E16 0.4- 0.5+ 100115 A77 0.4+ 0.5- 090922 204 0.4+ 0.5- 091021 215 (2.1- 1.1+) 100115 A77 1.4+ 0.3- 090922 204 0.3+ 0.6- 091021 215 (1.5- 1.0+) 100115 A77 0.5+ 0.1+ 090922 854 0.7+ 0.1- 091021 215 (1.6- 1.8+) 100115 204 1.1- 0.7- 090922 854 0.1+ 0.1- 091026 204 0.7- 0.7+ 100115 204 0.8- 1.1- 090922 854 0.0 0.1+ 091026 130 (1.6- 1.5+) 100204 C51 (0.5+ 2.2-) 090922 673 0.7+ 1.0- 091026 130 0.4- 1.0+ 100204 C51 0.7+ 0.5+ 090922 673 0.0 0.0 091026 130 (1.4- 2.0+) 100204 C51 0.2- 0.3- 090922 673 0.3+ 0.4- 091026 130 1.0+ 0.2+ 100204 C51 0.4+ 0.9+ 090922 673 1.0+ 0.9- 091026 204 0.8- 1.0+ 100205 C51 1.2+ 1.1+ 090924 585 (0.7+ 1.5-) 091030 E85 0.5- 0.9+ 100205 C51 1.4+ 0.0 090924 585 1.2+ 0.9- 091030 E85 1.3- 1.3+ 100205 C51 0.7- 0.5+ 090924 585 (0.6+ 2.6-) 091030 E85 0.5- 1.2+ 100205 C51 0.1+ 0.0 090924 585 (1.8+ 2.2-) 091108 D90 0.7- 0.6+ 100205 C51 0.7+ 0.4- 090924 585 (1.7+ 2.5-) 091108 D90 0.4- 0.7+ 100205 C51 1.1- 1.4+ 090924 585 (1.7+ 1.8-) 091108 D90 0.2- 1.1+ 100205 C51 0.2- 0.4+ 090925 H06 1.3- 0.4+ 091109 204 0.5- 1.2+ 100205 C51 0.2+ 0.4- 090925 H06 (1.9- 0.3-) 091110 204 0.7- 1.3+ 100205 C51 0.7- 0.5- 090925 H06 (2.5- 0.9-) 091116 A77 0.4- 1.0+ 100205 C51 0.9- 1.2- 090925 H10 0.6+ 0.7- 091116 A77 1.1- 1.1+ 100205 C51 1.1+ 1.0+ 090925 H10 0.5- 0.2- 091116 A77 (1.0- 1.6+) 100212 204 (1.5- 1.8-) 090925 H10 (0.3+ 1.7+) 091117 I10 1.0- 0.7+ 090925 349 (2.9- 0.7+) 091117 I10 1.0- 0.8+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2014 June 9

Back to Nakano Note Page