OAA computing section circular NK 1504 C/1997 N1 (Tabur)

The following improved orbital elements, by S. Nakano, are from 66 observations 1997 July 3 to 30. The mean residual is +/- 0.78 arc second. T = 1997 Aug. 15.47980 +/- 0.00006 (m.e.) TT Peri. = 344.19490 +/- 0.00099 Node = 147.60994 +/- 0.00044 (2000.0) Inc. = 85.96470 +/- 0.00015 q = 0.3956288 +/- 0.0000074 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(") 970703 422 0.5+ 0.9+ 970704 424 0.9+ 0.8+ 970714 422 0.0 0.9+ 970703 422 0.2- 0.1+ 970705 422 1.7+ 0.8+ 970719 422 0.7+ 0.0 970703 422 0.2- 0.5+ 970705 422 1.2+ 0.9+ 970719 422 0.6+ 0.1- 970703 422 0.3+ 0.1+ 970705 422 1.8+ 0.9+ 970719 422 0.4+ 0.2+ 970703 422 0.6+ 0.6+ 970705 422 1.1+ 0.9+ 970719 422 0.9+ 0.1- 970703 422 0.0 0.6+ 970706 422 0.6- 0.4- 970719 422 0.3+ 0.0 970703 422 0.6+ 1.1+ 970706 422 1.0- 0.4- 970720 422 0.6+ 0.2+ 970703 424 0.6+ 0.1+ 970706 422 0.5- 0.2- 970720 422 0.8+ 0.3+ 970703 424 1.8- 1.8- 970709 861 1.4- 1.7- 970720 422 1.3+ 0.2+ 970703 424 0.2- 0.5+ 970709 861 0.5- 0.4- 970724 422 0.0 0.2+ 970703 424 1.2- 0.7- 970709 861 1.9- 1.2- 970724 422 0.3+ 0.0 970703 424 (2.1- 1.1-) 970709 861 1.0- 0.4- 970724 422 0.6- 0.2+ 970703 424 0.2- 0.3+ 970709 861 0.2- 1.1- 970724 422 0.3+ 0.3- 970703 424 0.5+ 0.5+ 970712 861 0.1- 0.3- 970728 422 1.5- 1.0- 970703 424 0.7- 0.9- 970712 861 0.2- 0.1+ 970728 422 1.1- 0.2- 970704 861 (1.4- 2.0-) 970712 861 0.6- 0.6- 970728 422 0.1+ 1.4- 970704 861 0.1- 1.8- 970712 861 0.2- 0.9- 970728 422 0.3- 0.1- 970704 861 1.2- 0.7- 970714 861 1.2- 0.5- 970728 422 0.3- 0.5- 970704 424 0.4+ 1.0- 970714 861 1.1- 0.1+ 970729 422 (0.6+ 5.6-) 970704 424 0.3- 0.1+ 970714 861 (3.7- 2.1-) 970729 422 (2.7- 10.7-) 970704 424 1.4+ 0.8+ 970714 422 0.3+ 1.0+ 970729 422 (8.1- 13.3-) 970704 424 0.1- 1.0- 970714 422 0.1+ 1.0+ 970730 422 1.4+ 0.4+ 970704 424 0.5+ 0.0 970714 422 0.3+ 1.1+ 970730 422 0.7- 0.6+ 970704 424 0.6+ 0.5+ 970714 422 0.1- 1.1+ 970730 422 0.3+ 0.9+ ( ) -------- Rejected Obs.

Director, Computing Section Late edition Syuichi Nakano 1997 Aug. 10

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