OAA computing section circular NK 1202 P/1998 VS24 (LINEAR)

The following improved orbital elements, by S. Nakano, are from 47 observations 1998 Oct. 14 to 1999 Jan. 14. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.66 arc second. See a previous orbit in NK 753 and MPC 33651. Epoch = 1998 Nov. 3.0 TT T = 1998 Nov. 3.27566 +/- 0.25814 (m.e.) TT Peri. = 244.59672 +/- 0.04755 Node = 159.19993 +/- 0.00357 (2000.0) Inc. = 5.03106 +/- 0.00014 q = 3.4054259 +/- 0.0000692 AU e = 0.2440121 +/- 0.0000249 a = 4.5046034 +/- 0.0000387 AU n' = 0.10309064 +/- 0.00000133 P = 9.561 +/- 0.0001233 years (+/- 0.05 day) The predicted orbit for the 2008 return is as follows: T = 2008 May 25.83518 TT Epoch = 2008 May 14.0 TT Peri. = 244.49083 e = 0.2422147 Node = 159.17781 (2000.0) a = 4.5166006 AU Inc. = 5.02604 n'= 0.10268016 q = 3.4226136 AU P = 9.599 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1998/ 981126 120 (1.9- 2.8-) 981221 046 1.7+ 0.9+ 981014 699 0.9- 0.3+ 981211 699 0.4- 0.3- 981221 046 1.8+ 0.8+ 981014 699 0.6- 0.1+ 981211 699 0.2- 0.2+ 981222 372 0.8- 0.4+ 981014 699 0.6+ 0.8- 981211 699 0.1- 0.6+ 981223 402 1.4- 1.2- 981024 120 0.0 0.2- 981218 046 0.6- 0.6+ 981223 402 1.0- 0.3+ 981024 120 0.1- 0.1+ 981218 557 0.3- 0.0 981223 402 0.3+ 1.0- 981028 120 0.3- 0.1- 981218 557 0.0 0.6- 981223 402 (1.3+ 5.5-) 981028 120 1.3+ 1.3+ 981218 557 0.2+ 0.3- 981224 402 0.4- 0.1+ 981110 704 0.5+ 0.8- 981218 557 0.3- 0.1- 981224 402 0.9+ 0.2- 981110 704 0.3+ 0.2+ 981218 557 0.2+ 0.3- 981224 402 0.2+ 0.4+ 981110 704 0.4- 1.3+ 981219 709 0.7+ 0.4+ 1999/ 981110 704 0.3+ 1.7- 981219 709 0.4+ 0.3+ 990113 360 0.0 0.6- 981111 704 0.6+ 0.2- 981219 709 0.0 0.6+ 990113 360 0.1- 0.4- 981111 704 0.3- 0.6+ 981219 709 0.4+ 0.5+ 990113 360 0.0 0.7- 981111 704 0.4+ 0.3+ 981219 658 0.2+ 0.1+ 990114 693 0.1+ 0.2+ 981126 120 1.3- 1.5- 981219 658 0.4+ 0.6+ 990114 693 0.0 0.1- 981126 120 0.3- 0.9- 981219 658 1.5- 0.8+ 990114 693 0.0 0.1- ( ) -------- Rejected Obs.

Director, Computing Section Late edition Syuichi Nakano 2002 June 24

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