OAA computing section circular NK 1486 C/1992 B1 (Bradfield)

The following improved orbital elements, by S. Nakano, are from 17 observations 1992 Feb. 2 to Feb. 13. The mean residual is +/- 0.73 arc second. T = 1992 Mar. 19.53905 +/- 0.00052 (m.e.) TT Peri. = 15.32019 +/- 0.02134 Node = 275.35265 +/- 0.00616 (2000.0) Inc. = 20.23755 +/- 0.00073 q = 0.5002788 +/- 0.0001293 AU e = 1.0 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1992/ 920205 474 0.6- 0.6- 920212 413 0.1- 0.1- 920202 413 1.6+ 0.7- 920205 474 0.1- 0.2- 920212 413 0.1+ 0.0 920202 413 0.1+ 0.6- 920205 474 0.4+ 0.4+ 920213 474 (3.6+ 0.5+) 920202 413 (0.5+ 4.1+) 920205 474 1.1- 0.2- 920213 474 1.0+ 0.8- 920202 413 0.5- 0.6+ 920205 474 1.0+ 0.6+ 920213 474 0.2- 0.6+ 920203 413 0.2+ 0.9+ 920210 323 1.1+ 1.1- 920213 474 1.3- 1.1+ 920203 413 1.4- 0.4+ 920212 413 0.1- 0.1- ( ) -------- Rejected Obs.

Director, Computing Section Late edition & revised orbit Syuichi Nakano 1992 Feb. 17

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