Nakano Note (Nakano wa Kangaeru noda) NK 2976 P/2014 W12 (Gibbs)
The following improved orbital elements, by S. Nakano, are from 68 observations 2014 Nov. 30 to 2015 Jan. 7. The mean residual is +/- 0.57 arc second. T = 2014 Nov. 15.15479 +/- 0.04879 (m.e.) TT Peri. = 37.01675 +/- 0.03578 Node = 299.26916 +/- 0.02431 (2000.0) Inc. = 8.51292 +/- 0.00112 q = 1.6760894 +/- 0.0007175 AU e = 0.5240853 +/- 0.0021769 a = 3.5218276 +/- 0.0045942 AU n' = 0.14912551 +/- 0.00029180 P = 6.609 +/- 0.0129326 years (+/- 4.72 days) The predicted orbit for the 2021 return is as follows: T = 2021 June 21.180 TT Epoch = 2021 July 5.0 TT Peri. = 36.871 e = 0.52445 Node = 299.287 (2000.0) a = 3.52162 AU Inc. = 8.513 n'= 0.149139 q = 1.67470 AU P = 6.61 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2014/ 141201 H06 0.2+ 0.3+ 141205 I47 0.2- 0.4- 141130 G96 1.0- 0.0 141201 G96 0.6+ 0.1+ 141205 I47 0.2- 0.6- 141130 G96 0.0 0.4+ 141201 G96 0.2+ 0.1+ 141205 I47 1.3- 1.3- 141130 G96 0.7- 0.3+ 141201 G96 0.1+ 0.4+ 141206 958 0.2+ 1.3- 141130 G96 1.4- 0.4+ 141201 H06 0.5+ 0.2+ 141206 958 0.6+ 1.2- 141130 G96 0.3- 0.1- 141201 G96 0.3+ 0.4+ 141206 958 0.3+ 1.8- 141130 G96 0.0 0.5- 141201 G96 0.1+ 0.1+ 141212 Q62 0.1- 0.6+ 141130 G96 0.1+ 0.1+ 141201 G96 0.6+ 0.1+ 141212 Q62 0.3- 0.7+ 141130 G96 0.2- 0.1- 141201 G96 0.4+ 0.4+ 141212 Q62 0.2- 0.9+ 141201 W96 0.1- 0.1- 141201 H06 0.3+ 0.3- 141214 349 1.3+ 1.1- 141201 W96 0.3- 0.4+ 141201 H06 0.3- 1.4- 141214 349 (1.9+ 2.1-) 141201 W96 0.0 0.4+ 141201 H06 0.7+ 0.5- 141223 215 0.1+ 0.3- 141201 807 0.3- 0.2+ 141201 H06 0.1+ 0.8- 141223 215 0.3- 0.3- 141201 W96 0.9- 0.1+ 141201 H06 0.8+ 0.9- 141223 215 0.6- 0.8- 141201 807 0.2- 0.2+ 141201 H21 0.8+ 1.3+ 141225 H06 0.2+ 0.9+ 141201 807 0.3- 0.0 141201 H21 0.8+ 1.1+ 141225 H06 0.5- 0.8+ 141201 W96 1.0+ 0.3- 141202 H21 0.5+ 1.1+ 141225 H06 0.5+ 0.1+ 141201 807 0.3- 0.1+ 141204 807 0.1+ 0.4+ 2015/ 141201 W96 0.3- 0.0 141204 807 0.2- 0.4+ 150104 349 0.6- 0.1- 141201 807 0.2- 0.1+ 141204 807 0.1+ 0.2+ 150104 349 0.4+ 1.4+ 141201 W96 0.3- 0.1- 141204 807 0.1- 0.1+ 150107 H06 0.1+ 0.9- 141201 W96 0.3- 0.1- 141204 807 0.2- 0.1- 150107 H06 0.1- 0.3- 141201 H06 0.0 0.4+ 141204 G40 0.2- 0.1+ 150107 H06 0.1+ 0.2+ 141201 G96 0.4+ 0.1+ 141204 G40 0.0 0.2- ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2015 July 30