OAA computing section circular NK 814 C/2000 J1 (Ferris)
The following improved orbital elements, by S. Nakano, are from 24 observations 2000 May 4 to June 1. The mean residual is +/- 0.56 arc second. T = 2000 May 11.31480 +/- 0.03373 (m.e.) TT Peri. = 147.22440 +/- 0.01247 Node = 28.44018 +/- 0.00807 (2000.0) Inc. = 98.79457 +/- 0.00902 q = 2.5425834 +/- 0.0003772 AU e = 0.9544146 +/- 0.0014991 1/a = +0.0179288 +/- 0.0005896 1/AU The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2000/ 000505 046 0.4- 0.7- 000509 360 0.1+ 0.1- 000504 699 0.3- 1.1+ 000505 046 0.2- 0.5+ 000509 540 0.0 0.2+ 000504 699 0.5- 0.7+ 000506 540 0.3+ 0.3- 000509 540 0.1- 0.0 000504 699 0.4- 0.6+ 000506 540 0.6+ 0.1- 000509 540 0.7- 0.2- 000504 699 0.2- 0.1+ 000506 540 0.4+ 0.4- 000526 540 0.7- 0.8+ 000505 557 0.1+ 0.1- 000508 695 (4.1- 1.3+) 000526 540 (4.7- 0.3+) 000505 557 1.3+ 0.7- 000508 695 (3.9- 1.4+) 000601 540 0.9- 0.2+ 000505 557 0.8- 0.0 000508 695 (4.0- 1.4+) 000601 540 0.1- 0.0 000505 557 1.3+ 0.5- 000509 360 0.2+ 0.1+ 000601 540 1.4+ 0.7- 000505 046 0.6- 0.5- 000509 360 0.1+ 0.1+ ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 2001 Oct. 29