Nakano Note (Nakano wa Kangaeru noda) NK 1994 C/2010 D3 (WISE)

The following improved orbital elements, by S. Nakano, are from 54 observations 2010 Feb. 24 to July 7. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.59 arc second. Epoch = 2010 Sept. 1.0 TT T = 2010 Sept. 3.92527 +/- 0.03042 (m.e.) TT Peri. = 304.64227 +/- 0.00522 Node = 255.23673 +/- 0.00089 (2000.0) Inc. = 76.39211 +/- 0.00035 q = 4.2476060 +/- 0.0000499 AU e = 0.9995534 +/- 0.0000835 1/a = +0.0001051 +/- 0.0000197 1/AU origin = +0.000013 (Q= 6) future = +0.000183 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2010/ 100228 C51 (3.7+ 1.6-) 100514 D90 0.3- 0.0 100224 C51 0.9- 0.2+ 100301 C51 0.1- 1.6+ 100514 D90 0.3- 0.2- 100224 C51 0.4+ 1.0- 100301 C51 0.6- 0.8+ 100604 E85 0.1+ 0.1- 100224 C51 (2.4- 2.4+) 100301 C51 1.2- 0.1- 100604 E85 1.2+ 0.5- 100224 C51 0.7- 1.3- 100301 C51 (0.7+ 4.9+) 100604 E85 0.3+ 0.0 100224 C51 (0.4- 4.4+) 100301 C51 0.3- 0.3+ 100614 D90 0.1+ 0.7- 100225 C51 1.2+ 0.5- 100304 809 0.0 0.0 100614 D90 0.5+ 0.3+ 100225 C51 (0.8+ 2.4+) 100304 809 0.0 0.0 100614 D90 0.1- 0.9+ 100225 C51 0.4+ 0.4- 100304 809 0.1+ 0.0 100704 C51 (4.5+ 1.7-) 100225 C51 (3.7+ 2.1+) 100308 E12 (2.4- 4.3+) 100704 C51 0.5- 0.3- 100225 C51 (0.0 5.0+) 100308 E12 0.5+ 0.6- 100704 C51 0.3- 0.3- 100225 C51 (3.1+ 1.0+) 100308 E12 0.9+ 1.2- 100704 C51 (1.0+ 3.9+) 100226 C51 0.2- 1.8+ 100308 E12 1.0+ 0.9- 100705 C51 (1.7- 2.6-) 100226 C51 (2.5- 0.2+) 100309 E12 0.0 0.6+ 100705 C51 1.6- 1.4- 100226 C51 0.4+ 0.1- 100309 E12 0.7+ 0.1- 100705 C51 1.0+ 0.8+ 100226 C51 1.2- 1.7+ 100321 I33 0.2- 0.5- 100705 C51 0.7- 0.9+ 100226 C51 (0.6+ 2.3-) 100321 I33 0.6- 0.1- 100705 C51 0.1+ 0.2+ 100226 C51 0.1+ 0.0 100321 I33 0.4- 0.1- 100706 C51 1.7+ 0.6+ 100227 C51 (2.4+ 1.8+) 100321 I33 0.5- 0.1- 100706 C51 (1.8- 2.8-) 100227 C51 (2.7- 3.9+) 100321 I33 0.6- 0.3- 100706 C51 0.7+ 0.3- 100228 C51 (1.1- 2.6+) 100322 D90 0.7+ 0.1+ 100706 C51 (0.4+ 4.9-) 100228 C51 0.2+ 1.6- 100322 D90 0.1+ 0.2- 100706 C51 (3.2- 3.2+) 100228 C51 (6.4- 4.2-) 100322 D90 0.5- 0.1- 100706 C51 0.9- 1.4- 100228 C51 1.0+ 1.8+ 100323 D90 0.2- 0.7+ 100706 C51 (0.5+ 2.9-) 100228 C51 0.2+ 0.5- 100323 D90 0.4- 0.7+ 100706 C51 0.7- 1.1+ 100228 C51 (1.9+ 5.0-) 100514 D90 0.5- 0.0 100707 C51 0.1- 0.2+ ( ) -------- Rejected Obs.

Associate of Central Bureau for Astronomical Telegrams Syuichi Nakano 2010 Oct. 12

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