Nakano Note (Nakano wa Kangaeru noda) NK 3070 P/2013 W2 (PANSTARRS)
The following improved orbital elements, by S. Nakano, are from 129 observations 2013 Nov. 27 to 2016 Feb. 18. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.58 arc second. Recent observations in 2015/2016 show the residuals of -5" for Right Ascension and +2" for Declination from an orbit by T. Kobayashi in NK 2954 (= HICQ 2015). See the previous orbits in NK 2825 and NK 2954. Epoch = 2015 Jan. 18.0 TT T = 2015 Jan. 5.28889 +/- 0.00113 (m.e.) TT Peri. = 307.19462 +/- 0.00025 Node = 179.85049 +/- 0.00019 (2000.0) Inc. = 4.56656 +/- 0.00001 q = 4.4444356 +/- 0.0000070 AU e = 0.5746113 +/- 0.0000119 a = 10.4479396 +/- 0.0000278 AU n' = 0.02918489 +/- 0.00000012 P = 33.771 +/- 0.0001337 years (+/- 0.05 day) The predicted orbit for the 2044 return is as follows: T = 2044 Sept.30.37238 TT Epoch = 2044 Sept.22.0 TT Peri. = 304.09427 e = 0.5462377 Node = 178.23486 (2000.0) a = 9.5931885 AU Inc. = 4.85623 n'= 0.03317108 q = 4.3530273 AU P = 29.713 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2013/ 140109 G96 0.2+ 0.1+ 150209 G96 1.3- 0.4+ 131127 F51 0.1+ 0.1- 140223 215 0.1- 0.9- 150209 D29 (2.3- 0.5+) 131127 F51 0.0 0.1- 140223 215 0.1+ 0.7- 150209 D29 1.3- 0.0 131127 F51 0.1+ 0.0 140223 215 0.1+ 0.8- 150209 D29 1.3- 0.2+ 131129 H01 0.1+ 0.0 141024 703 0.2+ 1.2- 150209 D29 1.2- 0.1+ 131129 H01 0.1+ 0.1- 141024 703 0.3- 0.1- 150209 D29 1.0- 0.3+ 131129 H01 0.1+ 0.0 141024 703 (2.2- 0.1-) 150209 D29 (2.1- 0.2+) 131129 H06 0.4- 0.7+ 141024 703 (4.4- 1.3+) 150212 D29 1.2- 0.3- 131129 H06 0.4- 0.7+ 2015/ 150212 D29 1.5- 0.1- 131129 H06 0.6- 0.1+ 150117 G45 0.9- 0.1+ 150212 D29 1.7- 0.8- 131130 568 0.2+ 0.0 150117 G45 1.2- 0.0 150216 G45 0.3- 0.1- 131130 568 0.2+ 0.0 150117 G45 0.8- 0.4+ 150216 G45 0.5- 0.1+ 131130 568 0.2+ 0.0 150117 G45 0.7- 0.2- 150216 G45 0.1- 0.5+ 131130 568 0.2+ 0.1- 150118 691 (2.3- 0.5+) 150216 G45 1.7- 0.6+ 131130 568 0.2+ 0.1- 150118 691 (2.1- 0.6+) 150217 D29 (2.4- 0.2-) 131130 568 0.1+ 0.1- 150118 691 1.6- 0.5+ 150217 D29 1.1- 0.4+ 131201 595 0.1+ 0.4+ 150119 G45 0.9- 0.0 150217 D29 0.6- 0.0 131201 595 0.3- 0.6+ 150119 G45 0.6- 0.4+ 150218 F51 0.4+ 0.1- 131201 H21 0.1- 0.3+ 150119 G45 0.7- 0.2+ 150218 F51 0.3+ 0.0 131201 H21 0.0 0.4+ 150119 G45 0.3- 0.1+ 150218 F51 0.4+ 0.1- 131201 H21 0.5+ 0.2+ 150119 G45 0.6- 0.1+ 150219 F51 0.5+ 0.1- 131203 291 0.1- 0.2+ 150120 G45 0.5- 0.2+ 150219 F51 0.5+ 0.1- 131203 291 0.2- 0.4+ 150120 G45 0.5- 0.1+ 150219 F51 0.5+ 0.0 131203 958 0.1- 0.2- 150120 G45 0.5- 0.1+ 150220 D95 0.3- 0.9- 131203 958 0.1+ 0.3- 150120 G45 0.0 0.1+ 150220 D95 0.1- 0.6+ 131203 958 0.2- 0.4+ 150122 691 1.0- 0.2- 150220 D95 0.2- 0.1+ 131208 372 0.9- 0.2+ 150122 691 1.2- 0.4+ 150224 D95 0.0 0.3+ 131208 372 0.8- 0.3+ 150122 691 1.3- 0.5+ 150224 D95 1.5- 0.1+ 131208 C10 0.3- 0.1+ 150124 G45 0.7- 0.3+ 150224 D95 1.9- 0.1+ 131208 C10 0.2- 0.5- 150124 G45 0.2- 0.0 150311 215 0.3- 0.1+ 131209 C10 0.3+ 0.1+ 150124 G45 0.2- 0.0 150311 215 0.2- 0.0 131223 215 (2.5- 0.3+) 150124 G45 0.3- 0.1+ 150311 215 0.1- 0.0 131223 215 (2.8- 0.8+) 150124 F51 0.5+ 0.1- 150416 G96 0.8- 0.2- 131225 G96 0.2- 0.3- 150124 F51 0.5+ 0.1- 150416 G96 0.2- 0.2- 131225 G96 0.5- 0.2+ 150124 F51 0.4+ 0.1- 150416 G96 0.2- 0.0 131225 G96 0.2- 0.1- 150124 F51 0.4+ 0.1- 150416 G96 0.0 0.1- 131225 G96 0.6- 0.1+ 150125 G45 0.6- 0.1+ 150501 G96 0.2+ 0.0 131227 372 0.8- 0.0 150125 G45 0.6- 0.5+ 150501 G96 0.3+ 0.0 131227 372 0.2- 0.1+ 150125 G45 0.4- 0.3+ 150501 G96 0.2+ 0.1- 131228 349 1.8- 1.8+ 150125 G45 0.6- 0.2+ 150501 G96 0.1- 0.1+ 131228 349 0.3- 0.5+ 150125 G45 0.7- 0.3+ 151216 G96 1.6- 1.0+ 131229 372 1.1- 0.4+ 150125 G45 0.7- 0.2+ 151216 G96 1.6- 1.0+ 131229 372 1.5- 0.5+ 150208 D29 0.9- 0.2- 151216 G96 0.2- 0.7+ 131229 372 1.1- 1.1+ 150208 D29 0.9- 0.2+ 151216 G96 1.1- 0.5+ 2014/ 150208 D29 0.8- 0.0 2016/ 140109 G96 0.2- 0.1+ 150209 G96 1.6- 0.4+ 160218 F51 0.0 0.1- 140109 G96 0.4- 0.2+ 150209 G96 (2.2- 0.5+) 160218 F51 0.2+ 0.0 140109 G96 0.5- 0.1+ 150209 G96 (2.3- 0.7+) 160218 F51 0.3+ 0.0 ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2016 Feb. 28