Nakano Note (Nakano wa Kangaeru noda) NK 2628 C/2013 G3 (PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 90 observations 2013 Apr. 10 to 2014 Mar. 1. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.36 arc second. The comet has passed 3.21 AU from Saturn on 2012 Aug. 21 and will pass 6.18 AU from Uranus on 2021 Feb. 1 UT. See an orbit in HICQ 2013. Epoch = 2014 Oct. 30.0 TT T = 2014 Nov. 15.19863 +/- 0.00218 (m.e.) TT Peri. = 76.50025 +/- 0.00075 Node = 208.12645 +/- 0.00001 (2000.0) Inc. = 64.66973 +/- 0.00010 q = 3.8520543 +/- 0.0000393 AU e = 1.0005190 +/- 0.0000152 1/a = -0.0001347 +/- 0.0000039 1/AU origin = +0.000004 (Q= 7) future = -0.000351 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2013/ 130414 711 0.3+ 0.0 130503 F51 0.1- 0.1+ 130410 F51 0.1+ 0.1- 130414 711 0.4+ 0.3+ 130503 F51 0.0 0.1+ 130410 F51 0.0 0.1- 130414 711 0.6+ 0.2+ 130503 F51 0.1- 0.2+ 130410 F51 0.0 0.1- 130415 C10 (4.3- 1.5-) 130503 F51 0.0 0.2+ 130410 F51 0.0 0.0 130415 C10 0.3- 0.2+ 130504 Q62 0.1- 0.4+ 130411 291 0.2+ 0.3+ 130416 W84 0.0 0.1- 130504 Q62 0.3+ 0.1- 130411 291 0.0 0.3- 130416 W84 0.1+ 0.1- 130504 Q62 0.7+ 0.2+ 130411 E10 0.2- 0.1- 130416 W84 0.1+ 0.0 130507 372 0.1+ 0.3- 130411 E10 0.1- 0.1+ 130416 W84 0.1+ 0.0 130507 372 0.3+ 0.1- 130411 E10 0.7- 0.0 130416 Q62 0.3+ 0.1+ 130507 372 0.2- 0.3- 130412 568 0.1+ 0.0 130416 Q62 0.2+ 0.0 130517 G96 0.3- 0.5- 130412 568 0.1+ 0.0 130416 Q62 0.2+ 0.0 130517 G96 0.0 0.1- 130412 568 0.0 0.1- 130417 W84 0.0 0.0 130517 G96 0.8- 0.1- 130413 568 0.1- 0.0 130417 W84 0.0 0.1- 130517 G96 0.1+ 0.3+ 130413 568 0.3- 0.1+ 130417 W84 0.0 0.1+ 130702 Q62 0.6+ 0.1+ 130413 568 0.1- 0.0 130417 W84 0.1+ 0.0 130702 Q62 0.6+ 0.0 130413 291 0.3+ 0.1- 130418 W84 0.1+ 0.0 130702 Q62 0.7+ 0.1+ 130413 291 0.0 0.1+ 130418 W84 0.1+ 0.0 2014/ 130413 291 0.2+ 0.0 130418 W84 0.1+ 0.1+ 140128 703 1.3- 0.5+ 130413 711 0.7+ 0.4- 130418 W84 0.0 0.0 140128 703 0.7- 0.4+ 130413 711 0.5+ 0.4+ 130419 W84 0.2+ 0.0 140128 703 0.8- 0.9- 130413 711 0.6+ 0.2+ 130419 W84 0.2+ 0.1- 140128 703 0.2- 0.1- 130413 I93 0.5- 0.9- 130419 W84 0.2+ 0.1- 140208 Q62 0.1- 0.9- 130413 I93 0.5- 0.1+ 130419 W84 0.1+ 0.0 140208 Q62 0.0 0.6- 130413 I93 0.8- 0.1- 130419 Q62 0.7+ 0.5+ 140208 Q62 0.0 0.4- 130413 204 0.2- 0.5- 130419 Q62 0.5+ 0.4+ 140225 215 0.9+ 1.2+ 130413 204 0.5- 0.6- 130419 Q62 0.1+ 0.5+ 140225 215 0.8+ 1.1+ 130414 204 0.1- 0.8- 130421 G96 0.6+ 1.9- 140225 215 0.4+ 0.5+ 130414 J04 0.0 0.2+ 130421 G96 0.5- 0.2+ 140301 A77 0.9- 0.4- 130414 J04 0.0 0.0 130421 G96 0.0 0.2- 140301 A77 0.8+ 0.8- 130414 J04 0.2+ 0.2+ 130421 G96 0.0 0.0 140301 A77 0.3+ 0.2- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2014 Mar. 3

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