Nakano Note (Nakano wa Kangaeru noda) NK 2830 C/2014 OE4 (PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 59 observations 2014 May 8 to 2015 Feb. 27. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.24 arc second. The comet has passed 1.99 AU from Saturn on 2014 July 5 and will pass 0.98 AU from Uranus on 2026 Jan. 11 UT. Epoch = 2016 Nov. 28.0 TT T = 2016 Dec. 10.74424 +/- 0.00161 (m.e.) TT Peri. = 65.74352 +/- 0.00058 Node = 240.40007 +/- 0.00001 (2000.0) Inc. = 81.34912 +/- 0.00006 q = 6.2442706 +/- 0.0000510 AU e = 0.9994678 +/- 0.0000146 1/a = +0.0000852 +/- 0.0000023 1/AU origin = +0.000029 (Q= 6) future = +0.000085 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2014/ 140618 691 0.5- 0.1- 140731 568 0.0 0.0 140508 F51 0.1- 0.0 140701 F51 0.0 0.0 140813 Q62 0.6+ 0.5+ 140508 F51 0.1+ 0.0 140701 F51 0.1+ 0.1- 140813 Q62 0.8+ 0.7+ 140508 F51 0.0 0.2+ 140701 F51 0.1+ 0.1- 140813 Q62 0.8+ 1.0+ 140508 F51 0.1- 0.1+ 140726 F51 0.1+ 0.0 140822 568 0.2- 0.1- 140520 F51 0.2+ 0.0 140726 F51 0.2+ 0.1- 140822 568 0.1- 0.0 140520 F51 0.1+ 0.0 140726 F51 0.0 0.1+ 2015/ 140520 F51 0.2+ 0.1+ 140727 568 0.0 0.0 150116 568 0.1+ 0.0 140527 G96 0.3+ 0.2+ 140727 568 0.0 0.0 150116 568 0.0 0.0 140527 G96 0.0 0.9+ 140727 568 0.1- 0.1+ 150116 568 0.0 0.1+ 140527 G96 0.3+ 0.3+ 140728 568 0.1- 0.1- 150116 568 0.0 0.0 140527 G96 0.2- 0.4- 140728 568 0.0 0.0 150116 568 0.0 0.0 140530 F51 0.1- 0.0 140728 568 0.1- 0.0 150116 568 0.0 0.0 140530 F51 0.1- 0.1- 140728 568 0.1- 0.0 150116 568 0.0 0.0 140530 F51 0.1- 0.0 140728 568 0.0 0.0 150117 568 0.0 0.0 140530 F51 0.1- 0.0 140730 568 0.0 0.0 150117 568 0.0 0.1+ 140616 691 0.3+ 0.2- 140730 568 0.0 0.0 150227 215 0.3- 0.0 140616 691 0.6- 0.0 140730 568 0.0 0.0 150227 215 0.7- 0.9- 140616 691 0.9- 0.2- 140730 568 0.0 0.0 150227 215 0.3- 1.0- 140618 691 0.0 0.0 140731 568 0.0 0.0 140618 691 0.4- 0.0 140731 568 0.0 0.0 ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2015 Mar. 16

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