OAA computing section circular NK 758 C/1999 N2 (Lynn)
The following improved orbital elements, by S. Nakano, are from 182 observations 1999 July 14 to Oct. 9. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.72 arc second. Epoch = 1999 Aug. 10.0 TT T = 1999 July 23.05055 +/- 0.00008 (m.e.) TT Peri. = 357.83413 +/- 0.00016 Node = 254.67579 +/- 0.00015 (2000.0) Inc. = 111.65610 +/- 0.00016 q = 0.7612842 +/- 0.0000002 AU e = 0.9974512 +/- 0.0000152 1/a = +0.0033481 +/- 0.0000200 1/AU origin = +0.003447 (Q= 5) future = +0.004356 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1999/ 990724 859 0.4+ 0.5- 990813 360 0.3- 1.4- 990714 426 0.8- 0.2+ 990724 859 0.3+ 0.7- 990813 360 0.2- 1.2- 990714 426 0.5- 0.5+ 990726 834 1.0- 0.1+ 990817 897 0.6- 0.3- 990714 426 0.9- 0.0 990726 834 1.5- 0.4+ 990817 897 0.2+ 0.2- 990714 426 0.6- 0.1+ 990727 467 0.1+ 0.9+ 990817 897 0.2- 0.3- 990714 426 0.5- 0.3+ 990727 467 0.3- 1.1+ 990817 071 1.2+ 1.0+ 990714 426 0.4- 0.3+ 990727 467 0.3+ 1.7+ 990817 071 (2.6+ 0.9+) 990714 426 0.6- 0.2+ 990727 467 0.2+ 0.3+ 990817 071 (4.8+ 0.7+) 990714 426 0.6- 0.2+ 990727 467 (0.6+ 2.2+) 990817 071 1.8+ 1.0+ 990714 859 (2.3+ 0.7+) 990728 467 0.6- 1.6+ 990817 071 (4.9+ 0.6+) 990714 859 1.6+ 0.4+ 990728 467 (1.6- 2.7+) 990817 470 0.0 0.7+ 990714 859 1.5+ 0.3+ 990728 467 (1.3- 2.9+) 990817 470 0.2- 0.6+ 990714 859 1.6+ 0.3+ 990728 467 (3.0- 3.0+) 990817 470 0.3- 0.5+ 990714 859 (2.3+ 0.8+) 990728 834 0.2- 0.1- 990818 071 1.9+ 1.4+ 990714 859 (2.0+ 0.5+) 990729 422 0.0 0.5- 990818 071 (2.5+ 0.9+) 990714 859 (2.7+ 1.3+) 990729 422 0.2+ 0.7- 990818 071 (5.9+ 0.2+) 990715 422 0.3- 0.5- 990730 467 0.2- 0.6+ 990818 071 (6.3+ 0.4-) 990715 422 0.0 0.2- 990730 467 0.9+ 0.6+ 990818 071 (6.2+ 0.4-) 990715 422 0.0 0.4- 990730 467 1.0+ 0.4+ 990818 071 (5.9+ 0.4-) 990715 426 0.4- 0.5+ 990730 349 0.4+ 0.1+ 990818 107 0.2+ 0.1- 990715 426 0.4- 0.6+ 990730 349 0.3+ 0.2+ 990818 107 0.6+ 0.4+ 990715 426 0.7- 0.6+ 990730 349 0.6+ 0.5+ 990819 071 (2.2+ 1.2+) 990715 426 0.5- 0.5+ 990731 467 0.7- 0.3- 990819 071 (2.2+ 1.0+) 990716 426 0.9- 0.4- 990731 467 1.4- 1.0- 990819 071 (3.2+ 1.1+) 990716 426 0.9- 0.5- 990731 897 1.1- 0.7- 990819 071 1.3+ 0.6+ 990716 426 0.6- 0.8- 990731 897 0.1+ 1.0- 990819 071 0.3+ 1.3+ 990717 426 0.4- 0.7- 990731 897 0.4- 0.8- 990820 762 0.8- 0.7- 990717 426 0.4- 0.5- 990731 349 0.2+ 0.4- 990820 762 0.7- 0.5+ 990717 426 0.6- 0.7- 990731 349 0.5+ 0.3- 990820 762 0.8- 0.4- 990717 844 0.9- 0.2+ 990731 349 0.6+ 0.1+ 990820 762 0.8- 0.5- 990717 844 0.6- 0.5+ 990731 859 1.0+ 0.7- 990820 071 (2.6+ 1.0+) 990717 834 0.2+ 1.2- 990731 859 1.5+ 0.8- 990820 071 1.6+ 1.7+ 990717 859 1.3+ 0.3+ 990731 859 (2.5+ 0.8-) 990821 118 1.6+ 0.3+ 990717 844 0.3- 0.1- 990801 467 0.3+ 1.9+ 990821 118 1.2+ 0.4- 990717 859 1.1+ 0.4+ 990801 467 (1.0+ 2.2+) 990822 118 0.1- 0.2+ 990717 859 0.4+ 0.1- 990801 413 0.7- 0.7- 990822 118 0.3+ 0.3+ 990717 859 1.8+ 0.2+ 990801 413 0.8- 0.8- 990824 351 0.8+ 0.6+ 990717 859 1.2+ 0.8+ 990802 762 0.9- 0.3- 990824 351 0.1- 0.1- 990717 859 1.2+ 0.0 990802 762 1.1- 0.5+ 990824 351 0.7+ 0.4- 990718 428 (0.1- 2.0+) 990802 428 0.5- 0.4- 990827 762 0.9- 0.7+ 990718 428 0.4- 0.0 990802 428 0.7- 0.6- 990827 762 0.1+ 0.5- 990718 428 0.0 0.5- 990802 428 0.9- 0.6- 990827 762 0.5+ 0.6- 990718 428 0.6- 0.4- 990802 428 0.4- 0.9- 990830 762 0.1- 0.0 990719 422 0.3- 0.2- 990802 351 1.4+ 1.8+ 990830 762 0.8+ 0.8+ 990719 422 0.3- 0.0 990802 351 1.1- 0.4- 990830 762 0.0 0.6+ 990719 422 0.2- 0.3+ 990802 351 0.1- 1.0- 990831 402 0.0 0.2+ 990721 834 0.1- 0.9- 990802 834 0.6- 1.1- 990831 402 0.2+ 0.3+ 990721 834 1.4+ 1.2- 990803 762 0.3- 0.2+ 990831 349 0.7+ 0.3+ 990722 351 0.5+ 0.5- 990803 762 0.0 0.5+ 990831 402 0.2- 0.4+ 990722 351 (4.4+ 0.3+) 990803 467 0.5+ 0.1- 990831 349 0.1- 0.2+ 990722 834 0.4+ 0.5+ 990803 467 0.3- 0.8- 990903 762 0.4+ 1.2- 990722 834 (7.5- 5.6+) 990803 467 0.2- 0.7- 990903 762 0.1- 0.3+ 990723 402 0.3- 0.7+ 990803 402 0.6- 0.1- 990903 762 0.5+ 0.7- 990723 402 0.3- 0.5+ 990803 402 0.6- 0.3- 990903 762 0.3- 0.1+ 990723 402 0.2- 0.4+ 990803 402 0.5- 0.0 990904 402 0.3- 0.1- 990723 351 1.2+ 0.9+ 990803 897 0.8- 0.5- 990904 402 0.0 0.3+ 990723 351 (2.7+ 2.0-) 990803 897 0.9- 0.4- 990904 402 0.2- 0.3- 990723 351 0.2+ 0.5- 990804 413 0.9- 0.4- 990907 762 0.4- 0.0 990723 834 0.7+ 0.3- 990804 413 0.5- 0.7- 990907 762 0.8+ 0.8+ 990724 467 0.2- 0.2+ 990808 355 0.2- 0.0 990907 762 0.5+ 0.8+ 990724 467 0.9+ 1.0+ 990808 355 0.4- 0.4- 990911 349 0.8+ 0.0 990724 467 0.2- 0.9- 990808 355 0.1- 0.4- 990911 349 0.5- 0.9+ 990724 430 0.6+ 0.1- 990809 762 0.6+ 0.1- 990923 897 (3.6+ 0.3-) 990724 430 0.3+ 0.2- 990809 762 0.8- 0.9+ 990923 897 0.6- 1.5- 990724 349 1.2+ 0.0 990809 762 0.5- 0.4- 990923 897 0.1- 0.5+ 990724 349 1.5+ 0.5+ 990809 372 0.1- 0.6+ 990929 402 0.8- 1.2- 990724 349 1.8+ 0.7+ 990811 355 1.4- 0.9+ 990929 402 1.5- 0.9- 990724 349 1.9+ 0.2+ 990811 355 1.6- 0.8+ 990929 402 0.8- 0.5+ 990724 859 0.2+ 0.6- 990811 355 1.7- 0.7+ 991009 402 0.7+ 0.4- 990724 859 0.4- 0.3- 990813 360 0.0 1.3- 991009 402 0.4+ 0.4- ( ) -------- Rejected Obs.
Director, Computing Section Later edition Syuichi Nakano 2000 Jan. 24