Nakano Note (Nakano wa Kangaeru noda) NK 3310 C/2015 D3 (PANSTARRS)

The following improved orbital elements, T. Kobayashi, are from 181 observations 2015 Feb. 17 to 2017 Jan. 5. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.55 arc second. The comet has passed 2.84 AU from Jupiter on 2015 Dec. 31 UT. See the previous orbits in NK 3052 and NK 3143. Epoch = 2016 May 12.0 TT T = 2016 Apr. 30.76244 +/- 0.00722 (m.e.) TT Peri. = 2.84824 +/- 0.00043 Node = 156.98045 +/- 0.00002 (2000.0) Inc. = 128.50942 +/- 0.00005 q = 8.1488845 +/- 0.0000250 AU e = 1.0025682 +/- 0.0000187 1/a = -0.0003152 +/- 0.0000023 1/AU origin = +0.000004 (Q= 8) future = -0.000035 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2015/ 150519 474 0.1- 0.1+ 160307 J43 0.4- 0.6+ 150217 G45 0.1- 0.3+ 150519 474 0.5- 0.2+ 160307 J43 0.1- 0.1+ 150217 G45 0.4+ 0.5+ 151112 461 0.4- 0.4+ 160307 J43 0.4- 0.1- 150217 G45 0.7+ 0.2- 151112 461 0.1- 0.1+ 160307 J43 0.3- 0.3- 150217 G45 0.4+ 0.3- 151214 G45 0.2- 0.7- 160307 J43 0.1- 0.2+ 150217 G45 1.0+ 0.8- 151214 G45 0.3+ 0.0 160308 F51 0.2- 0.5+ 150219 G45 0.9+ 1.1- 151214 G45 0.0 0.2- 160308 F51 0.3- 0.4+ 150219 G45 1.9+ 0.8- 151214 G45 0.1+ 0.1+ 160308 461 0.6+ 0.0 150219 G45 0.9+ 0.5- 151214 G45 0.3- 0.5+ 160308 461 0.1+ 0.4+ 150219 G45 0.7+ 0.9- 2016/ 160308 461 0.0 0.5+ 150219 F51 0.3- 0.5+ 160108 461 0.0 0.0 160308 461 0.1- 0.7+ 150220 F51 0.2- 0.5+ 160108 461 0.1- 0.0 160308 J43 0.2+ 0.4+ 150220 F51 0.2- 0.5+ 160108 461 0.0 0.1+ 160308 J43 0.1- 0.4+ 150220 F51 0.2- 0.5+ 160110 G45 0.2+ 0.3- 160308 J43 0.2- 0.5+ 150220 F51 0.2- 0.4+ 160110 G45 0.7+ 1.6- 160309 J43 0.0 0.4+ 150221 W96 0.2+ 0.3+ 160110 G45 0.3+ 0.0 160310 703 0.5+ 1.5- 150221 W96 0.1+ 0.1- 160110 G45 0.5- 0.3- 160310 703 0.6+ 1.6- 150221 W96 0.1+ 0.0 160110 G45 0.0 0.9- 160310 703 0.9+ 1.7- 150221 H06 0.8+ 0.2- 160110 G45 0.3- 0.1+ 160310 703 0.0 1.4- 150221 H06 0.8+ 0.0 160110 G45 0.3+ 0.4- 160310 F51 0.2- 0.7+ 150221 H06 0.8+ 0.2+ 160110 G45 0.9- 0.2+ 160310 F51 0.3- 0.7+ 150222 474 0.2- 0.4+ 160114 F51 0.1+ 0.3+ 160310 F51 0.3- 0.6+ 150222 474 0.1+ 0.3+ 160114 F51 0.2+ 0.4+ 160310 F51 0.2- 0.7+ 150222 474 0.4- 0.1+ 160114 F51 0.2+ 0.3+ 160315 Q21 0.9- 0.5+ 150222 474 0.0 0.2+ 160117 H45 1.3- 1.2+ 160315 Q21 (3.1- 1.0+) 150223 W96 0.1+ 0.0 160117 H45 1.4- 0.7+ 160327 C36 0.4+ 1.2- 150223 W96 0.0 0.0 160117 H45 1.5- 0.3+ 160327 C36 0.3+ 0.6- 150223 W96 0.1+ 0.1- 160117 H45 1.2- 1.1+ 160328 F51 0.5- 0.5+ 150223 K91 0.4- 0.5+ 160117 H45 0.9- 0.9+ 160328 F51 0.4- 0.7+ 150223 K91 0.4- 0.3+ 160117 H45 0.2- 0.6+ 160328 F51 0.3- 0.6+ 150223 K91 0.4- 0.2+ 160118 B96 0.5+ 0.8+ 160428 D29 0.2+ 0.5- 150223 K91 0.3- 0.2+ 160118 B96 (2.4+ 0.5-) 160428 D29 0.2- 0.8- 150223 K91 0.4- 0.4+ 160119 703 0.6- 0.6- 160428 D29 0.6- 0.3+ 150226 W88 0.5+ 0.0 160119 703 0.1+ 1.0- 160429 215 0.9+ 0.8- 150226 W96 0.4- 0.3+ 160119 703 0.6- 1.6- 160429 215 0.7+ 0.7- 150226 W96 1.1- 1.0+ 160119 703 0.6- 0.9- 160429 215 1.0+ 0.5- 150226 W88 0.1- 0.1- 160202 F51 0.0 0.1+ 160511 461 0.3- 0.8+ 150226 W96 0.2- 0.7+ 160202 F51 0.0 0.3+ 160511 461 0.5- 0.6+ 150226 682 0.1+ 0.6- 160202 F51 0.2- 0.1+ 161021 G96 0.1+ 0.8- 150226 682 0.5- 0.1- 160202 F51 0.0 0.2+ 161021 G96 0.3- 0.8- 150226 682 0.3+ 0.4- 160206 F51 0.2- 0.3+ 161021 G96 0.1- 0.1- 150227 W96 0.3- 0.1- 160206 F51 0.3- 0.3+ 161023 461 0.6- 0.0 150227 W96 0.3- 0.4+ 160206 F51 0.3- 0.3+ 161023 461 0.1- 0.1+ 150227 W96 0.0 0.1- 160215 F51 0.1+ 0.4+ 161124 461 0.2+ 0.1- 150309 215 0.5- 0.1- 160215 F51 0.1+ 0.2+ 161124 461 0.0 0.1+ 150309 215 0.2+ 0.6- 160215 F51 0.2+ 0.2+ 161124 461 0.0 0.3+ 150309 215 1.3+ 0.8- 160215 F51 0.1+ 0.4+ 161221 461 0.6+ 0.6+ 150314 474 0.2- 0.0 160227 703 0.3- 1.3- 161221 461 0.3+ 0.4+ 150314 474 0.1- 0.1- 160227 703 0.3+ 0.3- 161221 461 0.3+ 0.4+ 150314 474 0.3- 0.1- 160227 703 (2.1- 0.0 ) 161227 G45 0.0 0.0 150314 474 0.3- 0.1+ 160303 Q21 0.2- 1.8- 161227 G45 0.7+ 0.3+ 150316 703 1.9+ 0.4- 160303 Q21 0.2- 1.1- 161227 G45 0.5+ 0.2+ 150316 703 1.2+ 1.2- 160304 G96 0.1+ 0.4+ 161227 G45 0.3+ 0.2- 150316 703 (1.4+ 2.1-) 160304 G96 0.7+ 0.5- 161227 G45 0.3+ 0.6+ 150318 E07 0.4+ 0.2- 160304 G96 0.1+ 0.0 2017/ 150318 E07 0.2- 0.0 160304 G96 0.8- 0.1- 170105 G45 0.4+ 0.5+ 150322 F51 0.3- 0.6+ 160305 J43 0.0 0.5- 170105 G45 0.4+ 0.3+ 150322 F51 0.5- 0.5+ 160306 J43 0.1+ 0.2- 170105 G45 0.5+ 1.1- 150322 F51 0.3- 0.6+ 160306 J43 0.1+ 0.1+ 170105 G45 0.7+ 0.5+ 150322 F51 0.4- 0.5+ 160306 J43 0.0 0.0 170105 G45 0.5+ 0.1+ 150420 130 1.0- 0.1- 160306 J43 0.2- 0.2+ 170105 G45 0.5+ 0.8+ 150420 130 1.1+ 0.5- 160307 J43 0.1- 0.1+ 170105 G45 0.1- 0.9- 150519 474 0.5- 0.3+ 160307 J43 0.3- 0.1+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2017 Feb. 6

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