OAA computing section circular NK 1396 P/2005 RV25 (LONEOS-Christensen)

The following improved orbital elements, by S. Nakano, are from 103 observations 2005 Sept. 11 to 2006 Jan. 28. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.74 arc second. Epoch = 2006 Nov. 1.0 TT T = 2006 Nov. 7.40993 +/- 0.07696 (m.e.) TT Peri. = 191.70829 +/- 0.01587 Node = 246.93123 +/- 0.00132 (2000.0) Inc. = 9.88359 +/- 0.00024 q = 3.6078198 +/- 0.0002185 AU e = 0.1663171 +/- 0.0000739 a = 4.3275681 +/- 0.0001074 AU n' = 0.10948086 +/- 0.00000408 P = 9.003 +/- 0.0003351 years (+/- 0.12 day) The predicted orbit for the 2015 return is as follows: T = 2015 Oct. 28.45387 TT Epoch = 2015 Oct. 25.0 TT Peri. = 191.78327 e = 0.1681486 Node = 246.85921 (2000.0) a = 4.3062840 AU Inc. = 9.89979 n'= 0.11029354 q = 3.5821885 AU P = 8.936 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2005/ 051022 703 0.4- 1.0+ 051028 118 0.4- 1.0- 050911 699 1.4+ 0.3+ 051022 703 0.4- 0.1+ 051028 A32 0.2- 0.6- 050911 699 0.8+ 0.4+ 051022 703 0.2- 0.3- 051028 A32 0.1- 1.0- 050911 699 0.8+ 1.3- 051022 703 0.7- 1.1+ 051030 704 0.2- 1.1+ 050912 704 0.4+ 1.1+ 051022 413 0.1- 0.3+ 051030 704 0.5+ 0.5+ 050912 704 0.0 0.7- 051022 J95 0.3- 0.3- 051030 704 1.0- 0.2- 050912 704 0.5- 1.3+ 051022 J95 0.5+ 0.0 051030 704 1.0- 0.1+ 050912 704 0.2- 0.9+ 051022 J95 1.1+ 0.8- 051102 704 1.0+ 0.6- 050912 704 1.4- 1.1- 051023 J77 0.1- 0.4+ 051102 704 0.7- 0.2+ 050923 703 0.3- 0.2- 051023 J77 1.0- 0.2+ 051102 704 1.4- 0.3+ 050923 703 0.7- 0.0 051023 J77 1.5- 0.3+ 051102 704 0.2+ 1.9+ 050923 703 1.7- 0.4- 051023 J77 0.8+ 1.1+ 051102 704 0.5- 0.5- 050923 703 1.7- 1.1- 051023 J77 1.4+ 0.2+ 051107 J76 1.0+ 1.0- 051001 703 0.6- 0.4- 051023 651 0.4+ 0.0 051107 213 0.1+ 0.0 051001 703 (2.5+ 4.0-) 051023 673 0.4+ 0.4+ 051107 213 0.1- 0.0 051001 703 0.4+ 0.0 051023 651 1.1+ 0.8+ 051107 213 0.2+ 0.0 051008 704 0.6+ 0.7+ 051023 673 0.5+ 0.6+ 051108 104 0.0 1.0- 051008 704 1.3+ 0.2+ 051023 734 0.6+ 0.3+ 051108 104 0.2- 0.3- 051008 704 0.6+ 0.0 051023 651 0.5+ 0.4+ 051108 104 (2.5- 0.4-) 051008 704 1.2+ 0.9- 051023 673 0.4+ 0.5+ 051118 147 0.9+ 0.1+ 051008 704 0.0 0.0 051023 673 0.2+ 0.7+ 051118 147 (1.8+ 3.0-) 051010 699 1.0+ 0.3- 051023 734 0.4+ 0.2+ 051119 204 0.8- 0.7- 051010 699 0.2+ 0.1+ 051023 349 1.1+ 0.8- 051119 204 0.8+ 0.2- 051010 699 1.1+ 0.2+ 051023 349 1.0+ 0.4- 051121 A32 1.9- 0.7- 051010 699 0.3- 0.5- 051024 372 0.7+ 1.0+ 051203 349 0.2- 0.9- 051014 699 0.1+ 0.5+ 051026 699 0.5- 2.0- 051203 349 0.5- 0.2- 051014 699 (2.2+ 0.6+) 051026 699 0.4+ 0.6- 051203 213 0.6+ 0.4- 051014 699 1.3- 0.6+ 051026 699 0.3+ 0.5- 051203 213 0.6+ 0.3- 051014 699 0.4- 1.5- 051026 699 0.4- 0.9- 051203 213 0.6+ 0.2- 051022 703 0.9- 0.0 051026 215 0.2- 1.2+ 051206 D88 0.7+ 1.0+ 051022 703 0.6- 0.5+ 051027 G96 0.1- 1.3+ 051206 D88 (2.6+ 0.7+) 051022 703 0.1- 0.2- 051027 G96 0.1- 1.2+ 2006/ 051022 703 0.4- 0.1- 051027 G96 0.0 1.2+ 060123 215 (2.2+ 2.9+) 051022 703 0.1+ 2.0- 051027 G96 0.3- 1.3+ 060128 G96 0.0 1.0+ 051022 703 0.1- 1.0- 051027 A32 0.3- 0.2- 060128 G96 0.9+ 0.7+ 051022 703 0.3- 0.8- 051028 A32 1.2- 0.7+ 060128 G96 0.8- 0.4- 051022 703 0.0 1.2- 051028 118 0.1- 0.8+ 060128 G96 0.5- 0.5- ( ) -------- Rejected Obs.

Director, Computing Section Late edition Syuichi Nakano 2006 Feb. 6

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