Nakano Note (Nakano wa Kangaeru noda) NK 3131 C/2014 R3 (PANSTARRS)

The following improved orbital elements, S. Nakano, are from 129 observations 2014 Sept. 6 to 2016 May 12. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.34 arc second. The comet has passed 3.32 AU from Uranus on 2005 Sept. 29 UT. See the previous orbits in NK 2907, NK 2971 (= HICQ 2015) and NK 3073. Epoch = 2016 July 31.0 TT T = 2016 Aug. 7.88405 +/- 0.00622 (m.e.) TT Peri. = 113.40023 +/- 0.00049 Node = 334.11210 +/- 0.00003 (2000.0) Inc. = 90.83744 +/- 0.00001 q = 7.2753896 +/- 0.0000203 AU e = 0.9998676 +/- 0.0000094 1/a = +0.0000182 +/- 0.0000013 1/AU origin = +0.000096 (Q= 8) future = +0.000149 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2014/ 141028 461 0.1- 0.1- 151105 461 0.0 0.2+ 140906 F51 0.1- 0.1+ 2015/ 151105 461 0.0 0.1+ 140906 F51 0.1- 0.3+ 150321 215 0.7+ 0.3- 151105 461 0.0 0.1+ 140906 F51 0.2- 0.1+ 150321 215 0.4+ 0.1- 2016/ 140906 F51 0.0 0.0 150321 215 0.3+ 0.1+ 160117 461 0.1- 0.2+ 140907 H21 0.4+ 0.2+ 150410 461 0.0 0.3+ 160117 461 0.3- 0.3+ 140907 H21 0.1+ 0.4+ 150410 461 0.0 0.3+ 160117 461 0.1- 0.2+ 140907 H21 0.1+ 0.3+ 150410 461 0.0 0.3+ 160218 H06 0.0 0.2+ 140907 J95 0.1- 0.5- 150423 C10 0.1+ 0.5- 160218 H06 0.0 0.2+ 140907 J95 0.1+ 1.0- 150423 C10 0.2+ 0.7- 160218 H06 0.1- 0.3+ 140908 J95 0.5- 0.2- 150522 C10 0.9+ 0.3- 160302 T05 0.4- 0.5- 140908 H21 0.8+ 0.2+ 150523 C10 0.0 0.1+ 160302 T05 0.3+ 0.6+ 140908 H21 0.3+ 0.1+ 150524 H06 0.7+ 0.0 160302 T05 0.2- 0.2+ 140908 H21 0.9+ 0.9- 150524 H06 0.8+ 0.1- 160302 T05 0.3+ 0.3- 140908 958 0.7+ 0.6- 150524 H06 0.7+ 0.4- 160310 461 0.2- 0.2+ 140908 958 0.4+ 0.4- 150526 A77 0.1+ 0.8- 160310 461 0.2- 0.2+ 140908 958 0.3+ 0.6- 150526 A77 0.5- 0.5- 160310 461 0.2- 0.2+ 140910 J95 0.2+ 0.1+ 150527 A77 0.1+ 0.3- 160310 461 0.1- 0.2+ 140910 J95 0.5+ 0.2- 150527 A77 0.3- 0.8- 160310 461 0.1- 0.2+ 140912 U69 0.2+ 0.1- 150611 461 0.2- 0.3+ 160310 461 0.1- 0.3+ 140912 U69 0.1- 0.2+ 150611 461 0.0 0.2+ 160317 C10 0.2- 0.0 140913 I93 0.3+ 0.2- 150611 461 0.1- 0.4+ 160317 C10 0.2+ 0.0 140913 958 0.1- 0.8- 150611 461 0.0 0.3+ 160317 C10 0.3+ 0.2- 140913 I93 0.2- 0.2- 150611 461 0.2- 0.3+ 160319 T05 0.1- 0.1+ 140913 958 0.1- 0.2- 150611 461 0.1- 0.3+ 160319 T05 0.2+ 0.1+ 140913 958 0.2- 0.7- 150611 461 0.2- 0.5+ 160319 T05 0.1- 0.2- 140913 I93 0.1- 0.2+ 150913 461 0.4- 0.1+ 160319 T05 0.1- 0.2+ 140914 H21 0.3+ 0.0 150913 461 0.4- 0.1+ 160327 T05 0.3+ 1.1- 140914 H21 0.0 0.0 150913 461 0.4- 0.0 160327 T05 0.6+ 0.7+ 140914 H21 0.1+ 0.1- 150929 B82 0.4+ 0.1+ 160327 T05 0.2+ 0.2- 140916 568 0.2- 0.0 150929 B82 0.0 0.6- 160327 T05 0.8- 0.3+ 140916 568 0.1- 0.0 150929 B82 0.2+ 0.3+ 160410 T05 0.3- 0.1- 140916 568 0.2- 0.0 151003 B82 0.3+ 0.1+ 160410 T05 0.6+ 0.4- 140916 568 0.2- 0.0 151003 B82 0.3+ 0.3+ 160410 T05 0.6+ 0.4- 140916 215 0.0 0.3+ 151003 B82 0.3+ 0.1+ 160410 T05 0.2- 0.1+ 140916 215 0.0 0.2+ 151016 585 0.1+ 0.4+ 160412 G40 0.0 0.2- 140916 215 0.2+ 0.0 151016 585 0.3- 0.3- 160412 G40 0.2- 0.2- 140917 U69 1.0+ 0.7- 151016 585 0.1+ 0.1- 160412 G40 0.1- 0.2- 140917 U69 0.9+ 0.4- 151016 585 0.2+ 0.2- 160414 T05 0.6- 0.0 141027 461 0.7+ 0.7+ 151016 585 0.0 0.1- 160414 T05 0.2+ 0.5- 141027 461 0.4+ 0.7+ 151016 585 0.2+ 0.1- 160414 T05 0.2- 0.4- 141028 461 0.2+ 0.0 151016 585 0.2+ 0.3- 160414 T05 0.3+ 0.1+ 141028 461 0.2+ 0.0 151016 585 0.2- 0.3- 160512 900 0.1+ 0.2- 141028 461 0.2+ 0.2+ 151016 585 0.2- 0.1- 160512 900 0.1+ 0.1- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2016 May 16

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