Nakano Note (Nakano wa Kangaeru noda) NK 3987 P/2016 J1 (PANSTARRS)
The following improved orbital elements, by S. Nakano, are from 71 observations 2016 Mar. 4 to Aug. 4. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.30 arc second. See the previous orbits in NK 3233 and NK 3234. Epoch = 2016 June 21.0 TT T = 2016 June 24.21502 +/- 0.00935 (m.e.) TT Peri. = 46.58596 +/- 0.00282 Node = 199.85617 +/- 0.00014 (2000.0) Inc. = 14.33018 +/- 0.00005 q = 2.4480136 +/- 0.0000061 AU e = 0.2282635 +/- 0.0000025 a = 3.1720847 +/- 0.0000130 AU n' = 0.17445641 +/- 0.00000107 P = 5.650 +/- 0.0000348 years The predicted orbit for the 2022 return is as follows: T = 2022 Feb. 20.70313 TT Epoch = 2022 Mar. 2.0 TT Peri. = 46.98456 e = 0.2277437 Node = 199.81131 (2000.0) a = 3.1721235 AU Inc. = 14.32875 n'= 0.17445320 q = 2.4496925 AU P = 5.650 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2016/ 160507 568 0.0 0.1+ 160529 Z18 0.0 0.0 160304 F51 0.1- 0.2+ 160507 568 0.0 0.1+ 160529 Z18 0.0 0.0 160304 F51 0.2+ 0.2+ 160507 568 0.0 0.1+ 160606 695 0.2+ 0.2- 160403 F51 0.1- 0.1- 160508 H01 0.2- 0.0 160607 695 0.1+ 0.3- 160403 F51 0.2- 0.1- 160508 H01 0.1- 0.0 160608 G96 0.5+ 0.4- 160403 F51 0.2- 0.2- 160508 H01 0.0 0.2- 160608 G96 0.4+ 0.7+ 160414 F51 0.3- 0.3- 160508 H01 0.3- 0.3+ 160608 G96 0.1+ 1.1+ 160414 F51 0.1- 0.2- 160508 H01 0.2- 0.0 160608 G96 0.1+ 0.5+ 160414 F51 0.2+ 0.2- 160508 H01 0.3- 0.1- 160609 695 0.3- 0.0 160416 F51 0.1- 0.3- 160508 691 0.2- 0.0 160611 695 0.2- 0.1- 160416 F51 0.2- 0.2- 160508 691 0.1+ 0.1+ 160612 695 0.0 0.0 160416 F51 0.1+ 0.2- 160508 691 1.7- 0.9+ 160731 Z18 0.0 0.0 160505 F51 0.0 0.0 160511 568 0.1- 0.1- 160731 Z18 0.0 0.0 160505 F51 0.2+ 0.1- 160511 568 0.0 0.0 160731 Z18 0.1+ 0.0 160505 F51 0.1+ 0.1+ 160511 568 0.1- 0.0 160731 Z18 0.1+ 0.0 160505 F51 0.1+ 0.1- 160511 568 0.0 0.0 160731 Z18 0.1+ 0.1- 160506 I52 1.6+ 0.5- 160515 Z18 0.0 0.0 160804 568 0.0 0.0 160506 H06 0.5+ 0.4- 160515 Z18 0.0 0.0 160804 568 0.1- 0.0 160506 H06 0.1+ 0.4+ 160515 Z18 0.0 0.1- 160804 568 0.0 0.0 160506 H06 0.0 0.9+ 160515 Z18 0.0 0.1- 160804 568 0.0 0.0 160506 I52 1.0+ 0.5+ 160515 Z18 0.1+ 0.1- 160804 568 0.0 0.1+ 160506 568 0.0 0.1+ 160529 Z18 0.0 0.0 160804 568 0.1- 0.1+ 160506 568 0.0 0.1+ 160529 Z18 0.1- 0.0 160804 568 0.0 0.0 160506 568 0.0 0.1+ 160529 Z18 0.0 0.0 160804 568 0.0 0.0 ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2019 Dec. 18