Nakano Note (Nakano wa Kangaeru noda) NK 3589 C/2017 M3 (PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 40 observations 2017 June 20 to 2018 Apr. 23. 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. The comet has passed 4.72 AU from Uranus on 2010 Apr. 27 and 4.51 AU from Jupiter on 2018 Feb. 23 UT. See the previous orbits in HICQ 2018 and NK 3540. Epoch = 2017 May 7.0 TT T = 2017 Apr. 28.15482 +/- 0.00231 (m.e.) TT Peri. = 110.30851 +/- 0.00033 Node = 6.99736 +/- 0.00003 (2000.0) Inc. = 77.50703 +/- 0.00003 q = 4.6561090 +/- 0.0000069 AU e = 0.9732255 +/- 0.0000047 1/a = +0.0057504 +/- 0.0000010 1/AU a = 173.9 AU P = 2293 years origin = +0.005853 (Q= 8) future = +0.006017 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2017/ 170622 I52 0.4- 0.3- 171211 568 0.2- 0.1- 170620 F51 0.0 0.1- 170622 658 0.3+ 0.5+ 171211 568 0.1- 0.0 170620 F51 0.1- 0.0 170622 658 0.4+ 0.2- 171213 568 0.1- 0.1+ 170620 F51 0.1+ 0.2+ 170622 658 0.5+ 0.3+ 171213 568 0.0 0.0 170620 F51 0.1+ 0.1- 170622 658 0.6+ 0.3+ 171213 568 0.1- 0.0 170621 291 0.3+ 0.5+ 170623 658 0.1- 0.2- 2018/ 170621 291 0.5+ 0.8+ 170623 658 0.2- 0.1+ 180115 568 0.1+ 0.1- 170621 291 0.2+ 0.6+ 170623 658 0.2- 0.8- 180115 568 0.1+ 0.0 170621 568 0.1- 0.1- 170624 U69 0.7+ 0.0 180115 568 0.1+ 0.1- 170621 568 0.1- 0.1- 170624 U69 0.7+ 0.3+ 180409 G96 0.3- 0.6+ 170621 568 0.1- 0.1- 170624 U69 0.5+ 0.2+ 180409 G96 0.7- 0.7+ 170622 I52 0.2+ 0.4+ 170719 U69 0.2+ 0.5+ 180409 G96 0.5- 0.3- 170622 I52 0.1+ 0.3- 170719 U69 0.1- 0.5+ 180423 568 0.1+ 0.1+ 170622 I52 0.7- 0.4+ 170719 U69 0.1+ 0.4+ 180423 568 0.0 0.1- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2018 May 17

Back to Nakano Note Page