Nakano Note (Nakano wa Kangaeru noda) NK 5041 P/2016 Q4 (Kowalski)
The following improved orbital elements, by S. Nakano, are from 82 observations 2016 July 11 to 2017 Oct. 20. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.65 arc second. The 2017 October observations were reported on 2023 July MPCs. See the previous orbits in NK 3335 (= HICQ 2017). Epoch = 2018 Feb. 11.0 TT T = 2018 Jan. 27.24189 +/- 0.31112 (m.e.) TT Peri. = 99.43880 +/- 0.02208 Node = 271.30521 +/- 0.00160 (2000.0) Inc. = 7.25676 +/- 0.00008 q = 7.0845720 +/- 0.0003812 AU e = 0.5788398 +/- 0.0000725 a = 16.8215605 +/- 0.0030334 AU n' = 0.01428580 +/- 0.00000386 P = 68.992 +/- 0.0186617 years (+/- 6.82 days) The predicted orbit for the 2087 return is as follows: T = 2087 Sept.25.97570 TT Epoch = 2087 Oct. 7.0 TT Peri. = 99.55032 e = 0.5803444 Node = 271.22806 (2000.0) a = 16.9166012 AU Inc. = 7.25230 n'= 0.01416558 q = 7.0991467 AU P = 69.578 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2016/ 160831 U69 (3.8- 2.5-) 160901 585 1.2+ 0.7+ 160711 F51 0.5+ 0.1+ 160831 O75 0.9+ 0.9+ 160901 585 1.0+ 0.9- 160711 F51 0.3- 0.2+ 160831 O75 0.2+ 0.8+ 160901 461 0.9+ 0.6+ 160803 F51 0.2+ 0.3- 160831 C43 (2.4+ 0.8-) 160901 461 0.5+ 0.2+ 160803 F51 0.4- 0.3- 160831 215 0.9- 0.5- 160901 104 0.1- 0.5+ 160803 F51 0.1+ 0.0 160831 C43 1.3+ 0.1- 160901 461 0.4+ 0.6+ 160830 G96 1.4- 0.7- 160831 215 1.1- 0.5+ 160901 104 0.3- 0.4+ 160830 G96 1.1- 0.5- 160831 215 1.0- 1.7+ 160901 104 0.4- 0.1+ 160830 G96 (2.4- 0.4+) 160831 246 0.3+ 0.2- 160901 104 0.4- 0.5+ 160830 G96 0.7- 0.4- 160831 246 1.0+ 0.2- 160904 349 0.5+ 0.4+ 160830 G96 1.4- 0.0 160831 A71 0.4+ 0.2+ 160904 Q62 0.1+ 0.4+ 160830 G96 1.2- 0.0 160831 461 1.0+ 0.8+ 160904 Q62 0.3+ 0.0 160830 G96 0.9- 0.6+ 160831 461 0.1- 0.5+ 160904 349 0.0 0.1- 160830 G96 0.7- 0.5+ 160831 C10 0.4- 0.9- 160906 J22 0.0 1.0+ 160830 C43 (2.4- 2.2+) 160831 461 0.4- 0.2- 160906 J22 0.1- 0.7+ 160830 C43 (0.7- 5.0+) 160831 A71 0.3- 0.0 160924 A71 0.3+ 0.3- 160830 J95 0.0 0.3- 160831 C47 0.3- 0.2- 160924 A71 0.2+ 0.3- 160830 A71 0.6+ 0.0 160831 C10 1.1- 0.4- 160927 J22 (1.4- 3.2-) 160830 246 0.3- 1.0- 160831 C47 0.4+ 0.1+ 160927 J22 0.2+ 1.6- 160830 246 0.1- 1.8- 160831 C43 (2.5+ 2.1-) 160927 J22 (2.1+ 0.4-) 160830 J95 0.7- 0.4- 160831 C10 0.7- 0.3+ 161020 A77 1.5- 0.4+ 160830 246 0.7- 0.2- 160831 106 0.1- 0.5- 161020 A77 0.5+ 0.7- 160830 J95 0.3- 0.3+ 160901 K38 1.0+ 0.1- 161020 A77 0.7+ 0.3+ 160830 A71 0.3- 0.5+ 160901 106 1.1+ 0.6- 161119 G40 0.8+ 0.6- 160830 C43 0.1- 1.3+ 160901 106 1.5+ 0.3- 161119 G40 0.2- 0.1- 160830 I89 (2.8- 0.3-) 160901 K38 0.9+ 0.4- 2017/ 160830 I89 (3.4- 0.2-) 160901 G40 1.3- 0.4+ 171019 807 0.1+ 0.1+ 160831 G96 0.3- 0.1+ 160901 G40 1.0+ 1.4- 171019 807 0.1- 0.0 160831 G96 0.1+ 0.1+ 160901 104 1.3+ 0.1+ 171020 807 0.1- 0.1+ 160831 G96 0.8+ 0.7+ 160901 585 0.2+ 0.5+ 171020 807 0.1- 0.0 160831 G96 0.6- 0.3- 160901 585 0.6+ 0.1- 171020 807 0.1+ 0.0 160831 U69 (3.5- 2.1-) 160901 585 1.1- 0.9+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2023 Aug. 1