Nakano Note (Nakano wa Kangaeru noda) NK 3055 P/2015 GX (PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 264 observations 2015 Apr. 8 to 2016 Jan. 1. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.60 arc second. See the previous orbits in NK 2986 (= HICQ 2015) and NK 3028. Epoch = 2015 Sept.15.0 TT T = 2015 Aug. 26.66184 +/- 0.00042 (m.e.) TT Peri. = 108.95797 +/- 0.00018 Node = 235.51541 +/- 0.00003 (2000.0) Inc. = 90.25461 +/- 0.00003 q = 1.9717503 +/- 0.0000023 AU e = 0.8781822 +/- 0.0000047 a = 16.1860579 +/- 0.0000390 AU n' = 0.01513535 +/- 0.00000005 P = 65.120 +/- 0.0002352 years (+/- 0.09 day) The predicted orbit for the 2080 return is as follows: T = 2080 July 6.52111 TT Epoch = 2080 July 15.0 TT Peri. = 108.61189 e = 0.8799401 Node = 235.51544 (2000.0) a = 16.5340354 AU Inc. = 89.98609 n'= 0.01466006 q = 1.9850750 AU P = 67.231 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2015/ 150613 C23 0.0 0.7- 151101 157 0.4- 0.3+ 150408 F51 0.0 0.7- 150617 K25 0.5+ 0.3- 151102 J22 0.2- 0.3+ 150408 F51 0.3+ 0.7- 150617 K25 0.2+ 0.7- 151102 J22 0.1+ 0.4+ 150408 F51 0.2+ 0.6- 150621 157 0.7+ 0.2- 151102 J22 0.1+ 0.3+ 150408 F51 0.3+ 0.9- 150621 157 0.4+ 0.6- 151103 349 0.3- 0.1- 150409 V37 0.1- 1.2- 150621 157 0.5+ 0.5- 151103 349 0.2+ 0.5+ 150409 V37 0.1- 1.1- 150624 K25 0.8+ 0.4- 151103 349 0.1- 0.2+ 150409 V37 0.1- 1.3- 150624 K25 0.7+ 0.3- 151103 349 0.0 0.1+ 150409 568 0.5+ 0.8- 150625 C23 (0.8+ 3.0-) 151103 I81 0.2- 0.9- 150409 568 0.4+ 0.6- 150625 C23 1.5- 0.4+ 151103 I81 (1.1- 2.0-) 150409 568 0.1+ 1.1- 150626 A77 0.8+ 0.0 151103 I81 0.8- 1.9- 150409 461 0.6- 0.5- 150626 A77 1.7+ 0.6- 151104 D95 0.1- 0.3+ 150409 461 0.8- 0.5- 150627 A77 1.5+ 0.4- 151104 D95 0.1- 0.4+ 150409 461 0.5- 0.3- 150627 A77 1.1+ 0.2+ 151104 D95 0.5+ 0.6+ 150410 461 0.3+ 0.8- 150627 A77 1.8+ 0.4+ 151105 C47 0.0 0.1+ 150410 461 0.1+ 0.4- 150630 C23 1.0+ 0.5- 151105 C47 0.1+ 0.3+ 150410 461 0.4+ 0.3- 150630 C23 0.6+ 0.2+ 151105 C47 0.2- 0.2+ 150410 461 0.2+ 0.6- 150630 C23 1.3+ 0.7- 151105 C47 0.1- 0.7+ 150410 461 0.4+ 0.3+ 150630 C23 1.0+ 0.4- 151105 C47 0.3- 0.6+ 150411 461 0.1- 0.7- 150705 A77 1.0+ 0.3- 151105 C47 0.2- 0.4+ 150411 926 0.2+ 0.6- 150705 A77 1.2+ 0.3- 151105 C47 0.3- 0.5+ 150411 926 0.2+ 0.6- 150705 A77 0.4+ 0.2- 151105 C47 0.2- 0.3+ 150411 926 0.2- 1.3- 150707 157 0.5+ 0.4- 151107 157 0.0 0.4+ 150411 461 0.1- 1.2- 150707 157 0.4+ 0.1+ 151107 157 0.0 0.5+ 150412 461 0.3+ 0.3- 150707 157 0.6+ 0.2- 151107 157 0.2- 0.2+ 150412 461 0.1+ 0.3- 150709 C23 0.7- 0.7+ 151107 157 0.1- 0.5+ 150506 F51 0.1- 1.4+ 150709 C23 0.8+ 0.5+ 151107 970 0.1- 0.2- 150506 F51 0.1- 1.4+ 150709 C23 0.8+ 0.0 151107 970 0.4- 0.1- 150506 F51 0.0 1.4+ 150710 215 0.9+ 0.1+ 151108 I81 0.7- 0.6- 150507 F51 0.4- 1.6+ 150710 215 0.8+ 0.0 151108 I81 1.1- 1.3- 150507 F51 0.2- 1.7+ 150710 215 0.8+ 0.1+ 151108 I81 0.8- 1.8- 150507 F51 0.2- 1.6+ 150717 157 0.3+ 0.2+ 151111 D95 0.3+ 0.2+ 150509 157 0.3+ 0.5- 150717 157 0.3+ 0.1- 151111 D95 0.0 0.3+ 150509 157 0.1- 0.9- 150810 A71 0.3+ 0.0 151111 D95 0.1- 0.3+ 150515 C51 1.4+ 0.5- 150810 A71 0.1+ 0.4+ 151115 157 0.2- 0.1+ 150515 C51 1.0+ 0.5- 150810 A71 0.3+ 0.0 151115 157 0.1- 0.4+ 150516 C51 0.0 0.1+ 150810 A71 0.4+ 0.0 151115 157 0.3- 0.2+ 150516 C51 0.4- 1.2- 150810 A71 0.2+ 0.2+ 151115 157 0.1+ 0.3+ 150516 C51 1.1+ 0.1- 150810 A71 0.6+ 0.3- 151115 157 0.1- 0.1+ 150516 C51 0.6- 0.2- 150812 L04 0.0 0.6+ 151115 157 0.4- 0.4+ 150516 C51 0.8- 0.8- 150812 L04 0.5+ 0.3+ 151117 G40 0.1+ 0.6+ 150516 C51 (2.4+ 0.2-) 150812 L04 0.5+ 0.3+ 151117 G40 0.1+ 0.3+ 150516 C51 0.4+ 0.0 150915 H06 0.4- 0.6+ 151118 T05 1.2+ 0.5- 150516 C51 0.9- 0.1- 150915 H06 0.1- 0.8+ 151118 T05 0.5+ 0.4+ 150516 C51 0.5+ 0.0 150915 H06 0.0 1.1+ 151118 T05 0.1- 0.0 150516 C51 1.5- 0.2- 150918 585 0.3+ 0.3+ 151118 T05 0.9+ 0.7- 150518 157 0.0 1.0- 150918 585 0.3+ 0.4+ 151120 900 0.3+ 0.1- 150518 157 0.5- 0.5- 150918 585 0.3+ 0.3+ 151120 900 0.2+ 0.2+ 150518 157 0.2- 0.3- 150918 585 0.4+ 0.5+ 151120 J22 0.2+ 0.4- 150520 V37 0.1+ 0.6- 150918 585 0.3+ 0.6+ 151121 J22 0.0 0.2+ 150520 V37 0.1- 0.4- 150918 585 0.4+ 0.7+ 151121 J22 0.3+ 0.1- 150520 V37 0.0 0.4- 150918 585 0.4+ 0.7+ 151122 C23 0.0 0.5+ 150525 157 0.1+ 0.8- 150918 585 0.3+ 0.7+ 151122 C23 0.1+ 0.4+ 150525 157 0.3- 0.7- 150918 585 0.3+ 0.1+ 151122 C23 0.2- 0.5+ 150525 157 0.1+ 0.6- 150918 585 0.1+ 0.2+ 151122 107 0.9- 0.2+ 150525 V37 0.2+ 0.3- 150918 585 0.1- 0.5+ 151123 107 (2.4- 0.3+) 150525 V37 0.1+ 0.6- 150922 D95 0.3+ 0.3+ 151127 D88 0.7+ 0.9+ 150525 V37 0.4+ 0.3- 150922 D95 0.2+ 0.4+ 151127 D88 1.0+ 0.6+ 150526 H06 0.3- 0.4- 150922 D95 0.2+ 0.4+ 151127 D88 0.6+ 0.1- 150526 H06 0.0 0.2- 151009 C51 0.1+ 0.1- 151128 107 0.2- 0.5+ 150526 H06 0.3+ 0.0 151009 C51 0.5+ 0.7+ 151128 107 0.3- 0.7- 150527 V37 0.0 0.5- 151009 C51 0.3+ 0.1+ 151204 C23 0.2+ 0.6+ 150527 V37 0.0 0.4- 151009 C51 0.1+ 0.1+ 151204 C23 0.2+ 0.3+ 150527 V37 0.0 0.5- 151009 C51 0.0 0.2+ 151204 C23 0.1+ 0.4+ 150604 K61 0.1- 0.3- 151010 C51 0.8+ 0.2+ 151206 I81 (1.4+ 2.6-) 150604 K61 0.1- 0.3- 151011 C23 0.2- 0.3- 151206 I81 1.2+ 1.6- 150604 K61 0.0 0.4- 151011 C23 0.2+ 0.2- 151206 I81 1.1+ 1.6- 150606 157 0.4+ 0.9- 151011 C23 0.3- 0.1- 151211 I81 0.9+ 0.7- 150606 157 0.2+ 0.8- 151011 B96 0.1+ 1.8+ 151211 I81 0.7+ 1.7- 150606 157 0.0 0.5- 151012 B96 0.9+ 1.1+ 151211 I81 0.7+ 1.9- 150606 157 0.1+ 0.3- 151012 B96 0.4- 0.5+ 151211 I81 1.0+ 0.6- 150606 J01 0.5+ 1.0- 151017 D95 0.4+ 0.1- 151213 I81 1.1+ 1.8- 150606 J01 0.0 1.4- 151017 D95 0.0 0.3- 151213 I81 1.1+ 1.4- 150606 J01 (0.0 2.1-) 151024 A71 0.6+ 0.3+ 151213 I81 1.1+ 1.1- 150606 J01 0.7+ 0.8- 151024 A71 0.0 0.5- 151214 J22 0.7+ 0.2+ 150609 C23 0.6+ 0.0 151031 A71 0.6- 0.0 151214 J22 0.3+ 0.4+ 150609 C23 0.0 1.8- 151031 A71 0.2+ 0.5+ 151214 J22 0.2+ 0.3+ 150609 C23 0.2+ 0.6- 151031 A71 0.6+ 0.1- 151216 900 0.7+ 0.3+ 150610 D95 0.4+ 1.2- 151101 C23 0.0 0.1+ 151216 900 0.9+ 0.4+ 150610 D95 0.2- 0.9- 151101 C23 0.1- 0.1+ 151217 130 0.4- 0.3+ 150610 D95 0.1- 1.0- 151101 C23 0.0 0.3+ 151217 130 0.1+ 0.1+ 150610 585 0.2+ 0.5- 151101 A71 0.1- 0.3- 151217 130 0.2+ 0.1+ 150610 585 0.8+ 0.4- 151101 A71 0.1- 0.4+ 151217 130 0.0 0.3+ 150610 585 1.0+ 0.3- 151101 A71 0.0 0.3+ 151229 900 0.4+ 0.6+ 150610 585 0.0 0.5- 151101 A71 1.2+ 1.0+ 151229 900 0.6+ 0.8+ 150610 585 0.1+ 0.5- 151101 157 0.1+ 0.2+ 2016/ 150610 585 0.0 0.5- 151101 157 0.2- 0.1- 160101 349 0.9+ 0.3+ 150610 585 0.2+ 0.4- 151101 B96 0.1+ 0.9- 160101 349 1.2+ 0.1+ 150610 585 0.2+ 0.6- 151101 B96 0.1- 0.2+ 160110 D88 (2.7+ 1.1+) 150610 585 0.3+ 0.7- 151101 157 0.1+ 0.4+ 160110 D88 (2.4+ 1.6+) 150613 C23 0.0 1.1- 151101 B96 0.4+ 0.2+ 150613 C23 0.4+ 0.6- 151101 B96 0.6- 1.5- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2016 Feb. 1

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