OAA computing section circular NK 1240 C/2004 R2 (ASAS)

The following improved orbital elements, by S. Nakano, are from 78 observations 2004 Sept. 1 to Oct. 9. The weighting mean residual is +/- 0.94 arc second. See same orbit on YC 2442. T = 2004 Oct. 7.89733 +/- 0.00021 (m.e.) TT Peri. = 5.35421 +/- 0.00173 Node = 182.46401 +/- 0.00075 (2000.0) Inc. = 63.17396 +/- 0.00054 q = 0.1128322 +/- 0.0000085 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(") 2004/ 040909 H07 1.1- 0.0 040914 349 1.5- 1.2+ 040901 304 1.6+ 4.0- Y 040909 H07 1.6- 0.9- 040914 349 1.3- 1.1+ 040903 304 1.4+ 6.1- Y 040909 H07 1.5- 0.2+ 040914 D74 0.4+ 0.7+ 040908 304 13.9+ 1.0+ Y 040909 H07 0.5+ 0.3+ 040914 D74 0.5- 0.6+ 040908 304 14.2+ 4.4+ Y 040909 H07 (3.5- 2.4-) 040914 D74 1.2- 0.2- 040908 304 8.6- 7.1- Y 040909 H07 (3.4- 0.1-) 040917 D82 0.1- 0.1- 040908 304 4.0+ 4.9- Y 040909 H07 (2.5- 0.6+) 040917 D82 1.2- 0.7- 040908 304 5.0- 10.3+ Y 040909 H07 (2.2- 0.3-) 040917 D82 0.3- 1.2+ 040908 304 14.1- 13.5+ Y 040910 673 1.5+ 0.1+ 040917 D82 0.8+ 0.4+ 040908 304 12.5+ 15.6+ Y 040910 673 1.4+ 0.1+ 040918 D82 1.9+ 0.9- 040908 304 3.5+ 12.8+ Y 040910 673 1.0+ 0.1+ 040918 D82 0.2- 0.7- 040908 304 5.6- 16.0+ Y 040910 673 1.5+ 0.5- 040918 D82 0.5+ 0.4- 040908 304 7.0+ 0.1+ Y 040910 673 1.1+ 0.3+ 040918 D82 0.6+ 1.5- 040908 304 2.0- 15.3+ Y 040910 673 1.5+ 0.2- 040919 I05 0.5- 0.2+ 040909 734 0.3+ 0.1+ 040910 372 0.8- 0.7+ 040919 I05 0.4+ 1.2+ 040909 734 0.6+ 0.4- 040910 372 1.8- 0.9+ 040920 I05 0.3+ 0.7+ 040909 734 0.5+ 0.2- 040910 372 1.5- 0.3+ 040920 I05 0.7+ 0.3+ 040909 734 0.8+ 0.1- 040911 844 1.4- 1.0- 040920 I05 0.8+ 0.7+ 040909 734 1.0+ 0.3- 040911 844 (3.5- 1.1-) 040921 I05 0.4- 0.1+ 040909 734 0.6+ 0.4+ 040911 844 1.7- 0.9- 040927 I05 0.3- 0.7- 040909 734 0.1+ 0.1+ 040911 D86 1.5+ 0.6- 040927 I05 0.1- 0.9- 040909 734 0.2- 0.5- 040911 D86 0.1+ 4.5- 041007 249 43.6- 41.3- Y 040909 734 1.3- 0.7+ 040911 D86 2.0- 0.7- 041007 249 10.0- 77.2- Y 040909 734 0.6+ 0.4- 040911 349 (2.2- 0.8+) 041007 249 27.8- 64.1- Y 040909 734 0.2+ 1.2+ 040911 349 (4.0- 0.5+) 041008 249 34.0- 32.1- Y 040909 734 0.4+ 0.0 040914 I05 0.7+ 0.7+ 041008 249(0.00- 0.03-)Y 040909 734 2.0+ 0.2+ 040914 I05 0.2+ 0.9+ 041009 249(0.01- 0.08-)Y 040909 734 0.5+ 0.4+ 040914 I05 0.3- 0.3+ 041009 249 18.4- 50.0- Y 040909 734 0.9- 0.3- 040914 I05 0.1- 0.6+ 040909 H07 1.6- 0.7- 040914 I05 0.5+ 0.7+ ( ) -------- Rejected Obs.

Director, Computing Section Late edition Syuichi Nakano 2004 Oct. 23

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