メニュ−ページに戻ります。◎次回の予報のための軌道
OAA computing section circular NK 730 72P/Denning-Fujikawa The following improved orbital elements, by S. Nakano, are from 34 observations 1881-1978, including planetary perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas, Vesta, and non-gravitational effect of style II. The mean residual is +/- 1.62 arc seconds. Epoch = 1978 Oct. 19.0 TT T = 1978 Oct. 2.14112 +/- 0.00089 (m.e.) TT Peri. = 334.31259 +/- 0.00218 Node = 41.53630 +/- 0.00105 (2000.0) Inc. = 8.64346 +/- 0.00024 q = 0.7797161 +/- 0.0000112 AU e = 0.8198585 +/- 0.0000024 a = 4.3283525 +/- 0.0000196 AU n' = 0.10945110 +/- 0.00000074 P = 9.005 +/- 0.0000613 years A1 = -0.001 +/- 0.035 A2 = +0.02365 +/- 0.00036 T = 1881 Sept.13.83183 TT Epoch = 1881 Aug. 28.0 TT Peri. = 312.66425 e = 0.8286674 Node = 67.48256 (2000.0) a = 4.2339603 AU Inc. = 6.86120 n'= 0.11313159 q = 0.7254155 AU P = 8.712 years [ T = 1890 May 18.05092 TT Epoch = 1890 June 2.0 TT Peri. = 312.66537 e = 0.8269220 Node = 66.94204 (2000.0) a = 4.2563217 AU Inc. = 6.93081 n'= 0.11224123 q = 0.7366758 AU P = 8.781 years ] [ T = 1899 Mar. 16.53391 TT Epoch = 1899 Mar. 7.0 TT Peri. = 313.19686 e = 0.8249781 Node = 66.50699 (2000.0) a = 4.2746870 AU Inc. = 6.96115 n'= 0.11151867 q = 0.7481639 AU P = 8.838 years ] [ T = 1908 Jan. 12.59486 TT Epoch = 1908 Jan. 20.0 TT Peri. = 313.32889 e = 0.8256398 Node = 66.32422 (2000.0) a = 4.2636545 AU Inc. = 6.97705 n'= 0.11195180 q = 0.7434115 AU P = 8.804 years ] [ T = 1916 Oct. 9.54672 TT Epoch = 1916 Oct. 24.0 TT Peri. = 330.80092 e = 0.8254921 Node = 48.37779 (2000.0) a = 4.2478529 AU Inc. = 8.24912 n'= 0.11257705 q = 0.7412840 AU P = 8.755 years ] [ T = 1925 June 30.88690 TT Epoch = 1925 June 19.0 TT Peri. = 330.17265 e = 0.8231472 Node = 48.20762 (2000.0) a = 4.2886097 AU Inc. = 8.22562 n'= 0.11097606 q = 0.7584526 AU P = 8.881 years ] [ T = 1934 May 26.76589 TT Epoch = 1934 June 12.0 TT Peri. = 330.18746 e = 0.8224114 Node = 48.18181 (2000.0) a = 4.3019464 AU Inc. = 8.21537 n'= 0.11046039 q = 0.7639765 AU P = 8.923 years ] [ T = 1943 Apr. 23.30671 TT Epoch = 1943 Apr. 26.0 TT Peri. = 330.29467 e = 0.8230955 Node = 48.04612 (2000.0) a = 4.2901353 AU Inc. = 8.23658 n'= 0.11091687 q = 0.7589443 AU P = 8.886 years ] [ T = 1952 Jan. 3.69570 TT Epoch = 1951 Dec. 20.0 TT Peri. = 335.60480 e = 0.8262110 Node = 41.77019 (2000.0) a = 4.2352382 AU Inc. = 9.05885 n'= 0.11308039 q = 0.7360378 AU P = 8.716 years ] [ T = 1960 Sept.15.15395 TT Epoch = 1960 Sept.23.0 TT Peri. = 334.19801 e = 0.8198963 Node = 41.71227 (2000.0) a = 4.3276813 AU Inc. = 8.63280 n'= 0.10947657 q = 0.7794312 AU P = 9.003 years ] [ T = 1969 Sept.23.77628 TT Epoch = 1969 Sept.16.0 TT Peri. = 334.23218 e = 0.8193336 Node = 41.65062 (2000.0) a = 4.3404081 AU Inc. = 8.62365 n'= 0.10899541 q = 0.7841660 AU P = 9.043 years ] The predicted orbit for the 2005 return is as follows: T = 2005 June 19.96323 TT Epoch = 2005 July 9.0 TT Peri. = 337.59163 e = 0.8168887 Node = 36.36729 (2000.0) a = 4.3509499 AU Inc. = 9.10800 n'= 0.10859953 q = 0.7967080 AU P = 9.076 years The following residuals in seconds of arc are from the above orbital elements: 1881/ 811022 802 1.1- 3.1- 781013 323(12.8- 16.3-) 811010 996 2.8- 4.7+ 811027 802 6.7+ 5.6- 781014 020 (4.1+ 2.6+) 811011 996 2.9- 4.1+ 811028 802 7.1- 0.7+ 781014 020 2.2+ 2.3- 811011 802 (2.4- 9.8+) 811029 522(13.2+ 5.4-) 781016 372 (3.5- 4.5-) 811011 802 4.6+ 3.0+ 811029 996 (1.8+ 9.9-) 781028 801 1.4+ 0.5+ 811012 802 (9.4+ 10.8+) 811031 007 0.8- 2.8- 781029 372 1.4+ 2.9+ 811013 996 5.0+ 2.9+ 811120 522 (3.4+ 22.5-) 781029 372 1.0- 1.7- 811018 007 (9.4+ 4.4+) 811125 522 5.4- 2.7+ 781031 372 (2.2- 4.1+)Y 811018 034 5.9+ 4.9- 811125 522 1.4- 1.2- 781101 801 0.5+ 1.3- 811019 007 6.6+ 0.5- 1978/ 781102 801 0.3+ 1.5+ 811019 522(14.8+ 0.4-) 781010 688 0.5+ 1.9- 781102 372 3.0- 1.1- 811019 522(17.6+ 5.4-) 781011 372 1.9- 2.8+ 781103 801 0.7+ 1.1+ 811019 802 0.8- 1.6- 781011 372 0.2- 2.6+ 781104 801 1.0+ 0.4+ 811020 522 (8.3+ 1.6-) 781011 885 (4.2+ 5.9+)Y 781108 372(16.1- 18.3+) 811020 522(11.7+ 7.7-) 781011 323(14.0+ 6.9-) 781109 372 1.4- 3.0+ Y 811021 802 2.4- 1.9- 781012 063 0.7- 0.9+ 781126 801 1.3+ 2.9- 811022 034 (0.5+ 12.6-) 781012 323 1.3- 1.6- 781203 801 1.4- 1.4- 811022 996 0.3+ 1.3+ 781013 688 1.0+ 2.2- 781229 801 0.3+ 1.1+ ( ) -------- Rejected Obs. OAA computing section circular NK 731 P/1999 RO28 (LONEOS) The following improved orbital elements, by S. Nakano, are from 104 observations 1999 Sept. 7 to 1999 Nov. 13. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.78 arc second. Epoch = 1999 Sept.19.0 TT T = 1999 Oct. 2.34610 +/- 0.00001 (m.e.) TT Peri. = 219.86223 +/- 0.00008 Node = 148.44935 +/- 0.00008 (2000.0) Inc. = 8.18961 +/- 0.00018 q = 1.2317126 +/- 0.0000070 AU e = 0.6506314 +/- 0.0000234 a = 3.5255390 +/- 0.0000671 AU n' = 0.14889009 +/- 0.00000426 P = 6.620 +/- 0.0001891 years (+/- 0.07 day) The predicted orbit for the 2006 return is as follows: T = 2006 May 11.76118 TT Epoch = 2006 May 25.0 TT Peri. = 219.96888 e = 0.6512929 Node = 148.37070 (2000.0) a = 3.5210038 AU Inc. = 8.18364 n'= 0.14917785 q = 1.2277991 AU P = 6.607 years The following residuals in seconds of arc are from the above orbital elements: 1999/ 990912 587 1.3+ 0.8- 990917 848 0.3- 0.6+ 990907 699 0.0 0.3+ 990912 587 0.5+ 0.5- 990918 848 1.0+ 1.0+ 990907 699 0.8- 1.5+ 990913 704 0.1+ 0.1- 990918 848 1.5+ 0.6- 990907 699 1.3- 1.3+ 990913 704 1.6+ 1.4- 990918 848 0.0 0.3- 990907 106 0.3+ 0.4- 990913 704 0.5- 0.4- 990919 848 1.7+ 0.1+ 990907 106 0.9- 0.8- 990913 704 0.8+ 0.1- 990919 867 0.8- 0.3- 990907 106 1.3- 0.1- 990913 704 0.0 0.0 990919 867 0.3+ 1.2- 990907 557 1.5- 0.4- 990913 704 0.6+ 0.9- 990919 867 0.4- 0.5- 990907 557 1.0- 0.1- 990913 695 0.2+ 0.5+ 990920 848 0.3+ 0.1- 990907 557 1.1- 0.0 990913 695 0.8+ 0.3- 990920 848 1.1- 0.5- 990908 595 (2.2- 1.5-) 990913 695 0.4+ 0.0 990920 848 0.1+ 1.0+ 990908 595 1.5- 0.4- 990913 704 0.9+ 0.4- 991003 360 (0.5- 2.2+) 990908 595 1.3- 1.4- 990913 704 1.4+ 0.7+ 991003 360 1.6+ 0.8+ 990908 046 1.6- 0.2- 990913 848 0.1- 0.1- 991003 360 0.4- 1.9+ 990908 046 0.5- 0.4+ 990913 848 1.6- 1.0- 991008 402 1.2+ 1.4+ 990908 046 0.5- 0.2+ 990913 848 0.1- 0.7- 991008 402 1.8+ 1.2+ 990908 046 1.0- 0.0 990913 046 0.4+ 0.4+ 991008 402 0.6+ 1.3+ 990908 046 0.7- 0.7+ 990913 046 0.1+ 0.0 991009 360 0.3+ 0.5+ 990909 426 0.6+ 0.6+ 990913 046 0.1- 0.0 991009 360 0.4+ 1.1+ 990909 426 0.2- 0.3- 990913 046 0.2+ 0.0 991009 360 0.0 0.7+ 990909 426 0.6- 0.1+ 990913 046 0.5+ 0.8- 991020 402 0.4- 0.0 990909 428 0.8- 1.3- 990915 691 0.2- 0.4+ 991020 402 0.5+ 0.1+ 990909 428 1.6+ 0.3- 990915 691 1.1+ 0.4+ 991020 402 0.5- 0.4+ 990909 557 0.0 0.4- 990915 691 0.3+ 0.3+ 991030 402 (2.5- 0.3+) 990909 557 0.3- 0.2- 990915 691 0.7+ 0.1+ 991030 402 0.9- 0.8+ 990909 557 0.4- 0.3- 990915 691 0.3+ 0.4+ 991030 402 1.5- 0.2+ 990909 557 0.1- 0.2- 990915 848 0.7+ 0.1+ 991103 402 0.2- 1.0- 990910 046 0.3+ 1.3+ 990915 848 0.7+ 0.1- 991103 402 (0.4- 2.1-) 990910 046 0.4+ 0.1+ 990915 848 0.9+ 0.3+ 991103 402 1.4- 0.2+ 990910 046 1.5- 0.7+ 990915 118 0.2+ 1.4- 991103 402 0.1- 1.3- 990910 046 0.7- 1.4+ 990915 118 1.4+ 1.5- 991104 360 0.5- 0.4- 990910 426 0.5- 0.1+ 990915 595 (2.1+ 0.4+) 991104 360 0.7- 0.6- 990910 426 0.6- 0.1- 990915 595 0.8+ 0.4- 991104 360 0.7- 0.5- 990910 426 0.5- 0.3+ 990916 595 1.0+ 0.1+ 991113 695 0.1- 1.1- 990911 848 0.7- 0.4- 990916 595 1.6+ 0.0 991113 695 0.1- 0.9- 990911 848 1.0- 0.4- 990917 848 0.5- 0.6+ 991113 695 0.1- 1.1- 990911 848 1.0- 0.3- 990917 848 0.3- 1.3+ ( ) -------- Rejected Obs. OAA computing section circular NK 732 P/1999 WJ7 (Korlevic) The following improved orbital elements, by S. Nakano, are from 97 observations 1999 Nov. 3 to 2000 Mar. 30. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.57 arc second. Epoch = 2000 Feb. 26.0 TT T = 2000 Feb. 15.59655 +/- 0.04148 (m.e.) TT Peri. = 154.48994 +/- 0.00851 Node = 290.53231 +/- 0.00115 (2000.0) Inc. = 2.97929 +/- 0.00009 q = 3.1674661 +/- 0.0000232 AU e = 0.3164505 +/- 0.0000172 a = 4.6338504 +/- 0.0000262 AU n' = 0.09880776 +/- 0.00000084 P = 9.975 +/- 0.0000846 years (+/- 0.03 day) The predicted orbit for the 2010 return is as follows: T = 2010 Feb. 8.03915 TT Epoch = 2010 Feb. 13.0 TT Peri. = 154.50272 e = 0.3151078 Node = 290.56473 (2000.0) a = 4.6463345 AU Inc. = 2.97584 n'= 0.09840980 q = 3.1822384 AU P = 10.015 years The following residuals in seconds of arc are from the above orbital elements: 1999/ 991230 120 0.5+ 0.4- 000127 120 0.5+ 0.2+ 991103 704 1.9+ 0.4+ 991230 046 0.1- 0.4- 000127 120 0.1- 0.1+ 991103 704 0.8+ 0.4- 991230 046 0.2- 0.5+ 000201 118 0.4- 0.3+ 991103 704 0.4+ 0.5- 991231 120 0.2+ 0.3- 000201 118 0.2- 0.0 991103 704 1.1+ 0.0 991231 120 0.8+ 0.3- 000201 118 0.2- 0.3+ 991103 704 0.3+ 0.1+ 991231 120 0.7+ 0.8- 000204 120 1.1+ 0.4- 991114 704 0.3+ 0.4+ 991231 120 0.0 0.4- 000204 120 1.2+ 0.1- 991114 704 0.1- 0.2+ 991231 120 0.9+ 0.1- 000204 120 0.6+ 0.2- 991114 704 0.4+ 0.1+ 991231 120 0.1- 0.0 000211 704 1.1- 0.5+ 991114 704 0.2- 0.2- 2000/ 000211 704 0.1+ 0.1- 991114 704 1.3- 0.3- 000102 046 0.1+ 0.1+ 000211 704 0.1- 0.3+ 991116 704 0.2- 0.5+ 000102 046 0.2- 0.4+ 000211 704 0.0 0.3+ 991116 704 0.7- 0.6+ 000102 046 0.3- 0.2+ 000211 704 0.2+ 0.2+ 991116 704 0.7- 0.6+ 000103 704 1.5+ 0.3- 000222 589 0.1- 0.1- 991116 704 0.2- 0.3- 000103 704 0.9+ 0.1+ 000222 589 1.1- 0.2- 991116 704 1.1- 0.9+ 000103 704 0.4+ 0.4+ 000222 589 0.4- 0.3- 991128 120 0.8+ 0.1- 000103 704 0.5+ 1.9- 000222 589 0.1- 0.6- 991128 120 1.5- 0.5- 000103 704 1.4- 1.8- 000224 589 0.2- 0.3- 991129 120 0.8+ 0.9- 000104 704 1.6+ 0.3- 000224 589 0.6- 0.1+ 991129 120 0.2+ 0.0 000104 704 0.0 0.1+ 000224 589 0.3+ 0.5- 991205 120 1.5- 0.1- 000104 704 0.6+ 0.5- 000224 589 0.4- 0.2- 991205 120 0.2- 0.1- 000104 704 0.0 0.1+ 000227 360 0.4- 0.1- 991207 704 0.0 0.7+ 000104 704 1.0- 0.8- 000227 360 0.4- 0.0 991207 704 0.7- 0.0 000112 104 0.1- 0.6+ 000301 402 0.3- 0.0 991207 704 0.3- 0.3+ 000112 104 0.0 0.5+ 000301 402 0.1- 0.2+ 991207 704 0.7- 0.0 000112 104 0.0 0.6- 000301 402 0.1- 0.5+ 991207 704 1.0- 0.4+ 000114 046 0.0 0.2+ 000304 704 0.2+ 0.9- 991207 120 0.1- 0.6+ 000114 046 0.1+ 0.4+ 000304 704 0.6- 0.4+ 991207 120 0.5- 0.2+ 000114 046 0.0 0.3+ 000304 704 0.3- 0.9+ 991230 046 0.4- 0.6+ 000114 046 0.0 0.2+ 000304 704 0.1+ 0.5+ 991230 120 0.6+ 0.4- 000126 120 0.8- 0.3- 000304 704 0.1+ 0.6+ 991230 046 0.1+ 0.4+ 000126 120 0.2- 0.2+ 000330 360 0.9+ 0.2+ 991230 046 0.4+ 0.0 000126 120 0.0 0.1+ 000330 360 1.1+ 0.1+ ( ) -------- Rejected Obs. OAA computing section circular NK 733 P/1999 X1 (Hug-Bell) The following improved orbital elements, by S. Nakano, are from 86 observations 1999 Oct. 10 to 2000 Feb. 7. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.77 arc second. Epoch = 1999 July 1.0 TT T = 1999 June 20.83652 +/- 0.00426 (m.e.) TT Peri. = 296.91694 +/- 0.00100 Node = 103.65121 +/- 0.00019 (2000.0) Inc. = 10.96889 +/- 0.00021 q = 1.9367730 +/- 0.0000423 AU e = 0.4727672 +/- 0.0000451 a = 3.6734684 +/- 0.0000883 AU n' = 0.13998762 +/- 0.00000505 P = 7.041 +/- 0.0002539 years (+/- 0.09 day) The predicted orbit for the 2006 return is as follows: T = 2006 July 6.68051 TT Epoch = 2006 July 4.0 TT Peri. = 296.87453 e = 0.4709808 Node = 103.64824 (2000.0) a = 3.6804007 AU Inc. = 10.96304 n'= 0.13959229 q = 1.9470026 AU P = 7.061 years The following residuals in seconds of arc are from the above orbital elements: 1999/ 991215 360 1.3+ 0.2+ 000104 360 0.1+ 0.1- 991010 704 0.1- 0.6+ 991215 360 1.4+ 0.1- 000104 402 0.6+ 0.4- 991010 704 0.3+ 0.3+ 991215 897 1.0- 0.2+ 000104 402 0.2+ 0.2- 991010 704 0.1- 0.7+ 991215 897 0.6- 0.2+ 000104 897 0.8- 0.1+ 991207 704 1.1+ 1.7- 991215 897 (2.3- 0.4-) 000104 402 0.6+ 0.6- 991207 704 0.2+ 0.0 991217 046 0.9+ 0.3- 000104 897 0.4- 0.9- 991207 704 0.1+ 0.7+ 991217 046 0.8- 0.5+ 000105 587 0.1- 0.1+ 991210 734 0.6+ 0.4- 991217 046 0.3- 1.1- 000105 587 0.0 0.2+ 991210 734 0.9+ 0.7- 991217 734 (2.1+ 2.5-) 000106 587 1.2- 0.3- 991210 734 0.1- 0.3- 991217 734 1.1- 0.6- 000107 734 0.1- 1.2- 991210 734 0.3- 0.4- 991217 734 1.2+ 0.4- 000107 734 1.4- 1.1+ 991210 734 0.4+ 0.7- 991217 734 0.6- 0.7- 000107 734 0.6+ 0.6- 991210 734 0.6+ 0.2+ 991219 411 0.1+ 0.1- 000107 734 0.6- 0.6- 991210 734 0.2- 0.1+ 991219 411 1.2+ 1.3+ 000107 587 0.9+ 1.0+ 991210 734 0.3+ 0.2- 991219 411 0.2+ 0.8+ 000107 587 1.5+ 0.1- 991211 557 0.3+ 0.6+ 991226 734 0.4+ 1.9- 000107 587 1.4+ 0.2- 991211 557 0.4+ 0.2+ 991226 734 0.6- 1.8- 000111 695 0.7+ 0.4- 991211 557 0.5+ 0.4+ 991226 734 1.2- 1.9+ 000111 695 (1.1+ 2.5-) 991211 734 0.0 0.6- 991226 734 0.8- 1.7- 000111 695 0.4+ 0.2+ 991211 734 1.5- 0.5+ 991229 402 0.1- 1.1+ 000111 695 0.4+ 0.2- 991211 734 0.1+ 0.5- 991229 402 0.1+ 1.2+ 000116 734 0.6+ 0.1- 991211 734 0.2- 1.5- 991229 402 (1.2- 2.1+) 000116 734 1.8- 0.6+ 991211 734 1.6- 0.5+ 991231 734 (2.1- 0.2+) 000126 402 0.7+ 0.5+ 991211 118 0.1- 0.5- 991231 734 1.5- 0.8+ 000126 402 0.2+ 1.4+ 991211 118 1.0- 0.7+ 2000/ 000126 402 0.3+ 0.3- 991211 118 0.4+ 0.7+ 000103 897 (2.7- 1.9+) 000128 360 0.6+ 0.4+ 991213 734 0.6+ 0.3- 000103 897 1.6- 0.7- 000128 360 0.1- 0.1+ 991213 734 0.8+ 0.6- 000103 897 1.2- 1.0+ 000128 360 0.5+ 0.3- 991213 734 0.1+ 0.4- 000103 372 (5.4- 1.7+) 000207 734 0.3+ 1.1- 991215 372 0.9- 1.0+ 000104 360 0.5+ 0.3+ 000207 734 0.1- 0.0 991215 372 1.2- 1.1+ 000104 897 1.0- 1.0+ 000207 734 0.2- 0.9+ 991215 360 1.0+ 0.6+ 000104 360 0.3+ 0.5+ ( ) -------- Rejected Obs. OAA computing section circular NK 734 P/1999 XB69 (LINEAR) The following improved orbital elements, by S. Nakano, are from 57 observations 1999 Nov. 14 to 2000 May 1. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.52 arc second. Epoch = 2000 Feb. 26.0 TT T = 2000 Feb. 17.03896 +/- 0.00051 (m.e.) TT Peri. = 220.18092 +/- 0.00029 Node = 256.16672 +/- 0.00006 (2000.0) Inc. = 11.33642 +/- 0.00004 q = 1.6392616 +/- 0.0000031 AU e = 0.6319763 +/- 0.0000074 a = 4.4542282 +/- 0.0000202 AU n' = 0.10484443 +/- 0.00000071 P = 9.401 +/- 0.0000639 years (+/- 0.02 day) The predicted orbit for the 2009 return is as follows: T = 2009 July 25.90778 TT Epoch = 2009 July 28.0 TT Peri. = 220.32572 e = 0.6307853 Node = 256.05288 (2000.0) a = 4.4746953 AU Inc. = 11.30583 n'= 0.10412592 q = 1.6521233 AU P = 9.466 years The following residuals in seconds of arc are from the above orbital elements: 1999/ 000105 704 0.2- 0.1+ 000203 402 (8.9+ 8.4+) 991114 704 0.8+ 0.4+ 000105 704 0.0 1.0- 000226 413 0.0 0.3- 991114 704 0.5+ 0.7+ 000105 704 0.4- 0.3- 000226 413 0.1- 0.2- 991114 704 0.5- 0.8+ 000105 704 0.8- 0.7- 000227 693 0.2- 0.4- 991114 704 0.0 0.4+ 000106 704 0.2- 0.5+ 000227 693 0.2- 0.3- 991116 704 0.2+ 0.7- 000106 704 0.2- 0.1+ 000301 402 1.3+ 0.2+ 991116 704 0.1- 1.1- 000106 704 0.4- 0.1+ 000301 402 0.2+ 0.2- 991116 704 0.3- 0.4- 000106 704 0.5- 0.2+ 000301 402 0.2- 1.9- 991116 704 0.0 1.9- 000106 704 0.1- 0.2- 000301 360 0.3+ 0.3+ 991207 704 0.3+ 0.0 000113 046 0.9+ 0.0 000301 360 0.1+ 0.3+ 991207 704 0.3- 0.5+ 000113 046 0.1- 0.2- 000301 360 0.1- 0.4+ 991207 704 0.0 0.2- 000113 046 0.5- 0.3+ 000330 360 0.3- 0.3+ 991207 704 0.3+ 0.5+ 000113 046 1.3+ 1.0+ 000330 360 0.3+ 0.0 991207 704 0.2+ 0.2- 000113 046 0.3+ 0.4+ 000424 360 0.3- 0.2- 991208 704 0.0 0.1- 000113 046 0.6- 0.6+ 000424 360 0.6- 0.3- 991208 704 0.2- 0.3+ 000113 046 0.2- 0.3+ 000424 360 0.9- 1.1- 991208 704 0.1+ 0.1+ 000113 046 0.2- 0.3- 000501 695 0.8+ 0.7+ 991208 704 0.0 0.3+ 000113 046 0.0 0.1- 000501 695 0.7+ 0.5+ 991208 704 0.0 0.4+ 000113 046 0.2+ 0.3+ 000501 695 0.3- 0.9+ 2000/ 000113 046 0.2+ 0.0 000105 704 0.1+ 0.2- 000203 402 (8.9+ 3.4+) ( ) -------- Rejected Obs. OAA computing section circular NK 735 P/1999 XS87 (LINEAR) The following improved orbital elements, by S. Nakano, are from 94 observations 1999 Oct. 13 to 2000 Mar. 5. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.62 arc second. Epoch = 1999 Aug. 10.0 TT T = 1999 Aug. 6.60989 +/- 0.00666 (m.e.) TT Peri. = 151.35144 +/- 0.00235 Node = 266.73100 +/- 0.00015 (2000.0) Inc. = 14.84415 +/- 0.00025 q = 2.7717812 +/- 0.0000422 AU e = 0.8410101 +/- 0.0000364 a = 17.4336980 +/- 0.0002294 AU n' = 0.01354004 +/- 0.00000027 P = 72.792 +/- 0.0014366 years (+/- 0.52 day) The predicted orbit for the 2070 return is as follows: T = 2070 Aug. 31.18412 TT Epoch = 2070 Sept. 6.0 TT Peri. = 152.12610 e = 0.8434285 Node = 265.28418 (2000.0) a = 17.7037882 AU Inc. = 14.66943 n'= 0.01323137 q = 2.7719089 AU P = 74.490 years The following residuals in seconds of arc are from the above orbital elements: 1999/ 000107 704 1.1+ 0.7- 000125 402 0.1+ 0.3- 991013 704 0.0 0.4+ 000107 704 0.4+ 0.3+ 000127 360 0.6- 1.0- 991013 704 0.2+ 0.7+ 000107 704 0.4+ 1.1+ 000127 360 0.2+ 0.6- 991013 704 0.4- 0.2- 000107 704 0.1+ 1.8- 000128 402 0.4- 0.2- 991013 704 0.3- 0.1- 000107 704 0.8+ 0.7- 000128 402 0.1+ 0.5+ 991013 704 0.6- 0.6- 000107 704 0.2- 0.1- 000128 402 0.3+ 0.3+ 991104 704 0.7- 0.9+ 000107 704 0.6- 0.0 000130 706 1.0- 0.5+ 991104 704 0.4- 0.6+ 000109 704 1.1+ 0.3+ 000130 706 0.8+ 1.1- 991104 704 0.4- 0.4+ 000109 704 0.5+ 0.4- 000202 704 (8.2- 2.4+) 991104 704 0.7+ 0.5+ 000109 704 0.1- 0.2+ 000202 704 (0.6- 2.0-) 991104 704 0.3+ 0.6- 000109 704 0.3+ 0.4+ 000202 704 (1.3+ 2.1-) 991105 704 0.2+ 0.1+ 000109 704 (2.3- 0.9+) 000203 402 0.6- 0.2+ 991105 704 0.0 0.5+ 000111 046 0.1+ 0.8+ 000203 402 1.0- 0.4- 991105 704 0.4+ 0.4+ 000111 046 0.6- 1.0+ 000203 402 0.1- 0.2+ 991207 704 0.4+ 0.3- 000111 046 0.8- 0.5+ 000204 360 0.4- 0.2- 991207 704 0.9+ 1.6- 000111 046 0.1- 0.5+ 000204 360 0.5- 0.1+ 991207 704 0.4+ 0.8- 000111 046 0.2- 0.4+ 000205 349 0.5+ 0.1- 991207 704 0.5- 1.4- 000111 046 0.6- 0.3+ 000205 349 0.2+ 0.2+ 991208 704 0.2- 0.4+ 000112 046 0.2- 0.4+ 000205 349 1.4+ 1.3+ 991208 704 0.7- 0.2+ 000112 046 0.0 0.5+ 000211 360 0.7- 0.3- 991208 704 0.4- 0.4- 000112 046 0.1+ 0.4+ 000211 360 0.8- 0.4- 991208 704 0.4- 0.6- 000112 046 0.3- 0.4+ 000229 360 0.0 0.1- 991208 704 0.6- 1.1- 000113 372 0.0 1.1+ 000229 360 0.2- 0.1- 2000/ 000113 372 0.5- 0.2+ 000301 402 0.4+ 0.6+ 000105 704 0.6- 0.2- 000115 402 0.6+ 0.1+ 000301 402 0.1- 0.3- 000105 704 0.1+ 0.0 000115 402 0.2+ 0.2+ 000301 402 0.6- 0.8- 000105 704 0.2+ 0.2- 000115 402 0.2+ 0.1+ 000302 118 0.8+ 1.1+ 000105 704 1.0+ 1.4- 000115 349 (2.3+ 2.1+) 000302 118 0.5+ 1.2+ 000106 704 0.4+ 0.3+ 000115 349 1.1+ 1.5+ 000305 704 1.7- 1.3- 000106 704 0.0 0.1- 000122 402 0.4+ 0.3- 000305 704 0.4- 0.2- 000106 704 1.0- 0.5- 000122 402 0.9- 0.6+ 000305 704 0.5+ 0.6+ 000107 704 1.6+ 0.2+ 000122 402 0.4+ 0.5+ 000305 704 0.0 0.6- 000107 704 1.2+ 0.0 000125 402 0.2- 0.4- 000305 704 0.1- 0.6- 000107 704 0.3- 0.7- 000125 402 0.3- 0.3- ( ) -------- Rejected Obs. OAA computing section circular NK 736 P/1999 XN120 (Catalina) The following improved orbital elements, by S. Nakano, are from 72 observations 1999 Nov. 3 to 2000 Mar. 30. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.64 arc second. Epoch = 2000 May 16.0 TT T = 2000 May 1.56580 +/- 0.06697 (m.e.) TT Peri. = 161.82948 +/- 0.01267 Node = 285.45449 +/- 0.00097 (2000.0) Inc. = 5.03086 +/- 0.00010 q = 3.2862613 +/- 0.0000517 AU e = 0.2131993 +/- 0.0000344 a = 4.1767391 +/- 0.0000464 AU n' = 0.11546438 +/- 0.00000193 P = 8.536 +/- 0.0001423 years (+/- 0.05 day) The predicted orbit for the 2008 return is as follows: T = 2008 Nov. 12.63254 TT Epoch = 2008 Nov. 30.0 TT Peri. = 161.61584 e = 0.2108560 Node = 285.44787 (2000.0) a = 4.1869075 AU Inc. = 5.02635 n'= 0.11504401 q = 3.3040727 AU P = 8.567 years The following residuals in seconds of arc are from the above orbital elements: 1999/ 991210 704 0.1+ 0.6+ 000228 118 0.3- 0.2+ 991103 704 0.7+ 0.1+ 991213 703 0.1- 0.0 000301 402 0.0 1.0+ 991103 704 1.1+ 0.5- 991213 703 1.5- 1.5- 000301 402 0.3+ 0.2- 991103 704 0.5+ 0.4- 991213 703 0.3- 1.0- 000301 402 0.7+ 0.1- 991103 704 0.7+ 0.1+ 991213 703 1.0+ 0.5+ 000301 360 0.6- 0.3- 991109 703 0.7- 0.8+ 991215 704 1.1+ 0.4- 000301 360 0.6- 0.1- 991109 703 0.5- 0.9+ 991215 704 0.5+ 0.6- 000302 118 0.4- 0.3+ 991109 703 0.6- 0.3- 991215 704 1.1- 0.9+ 000302 118 0.3- 0.6+ 991109 703 1.9- 0.6+ 991215 704 0.7+ 0.8- 000304 704 0.2- 0.1+ 991112 699 0.9- 0.9- 2000/ 000304 704 0.2- 0.6- 991112 699 0.2+ 0.3- 000130 704 0.7- 0.5+ 000304 704 0.3+ 0.1- 991112 699 0.6+ 0.2+ 000130 704 0.2- 0.1- 000304 703 0.2+ 1.6+ 991116 704 0.2- 0.2+ 000130 704 0.4+ 0.0 000304 704 0.9+ 0.6- 991116 704 0.1- 0.5- 000130 704 0.3+ 0.3- 000304 703 0.3- 0.9+ 991116 704 0.7+ 1.2- 000130 704 1.0+ 0.2+ 000304 703 0.1- 0.3+ 991116 704 1.1+ 0.6- 000203 704 (1.3- 2.5-) 000304 703 0.4+ 0.1- 991116 704 0.3+ 0.2+ 000203 704 (1.0+ 2.1-) 000309 360 0.1- 0.1- 991119 699 0.6- 1.0+ 000203 704 0.7+ 1.5- 000309 360 0.3- 0.0 991119 699 0.9+ 0.4- 000203 704 (1.7+ 2.6-) 000309 360 0.4- 0.1+ 991119 699 1.5- 0.5+ 000204 118 0.3+ 0.1+ 000317 118 0.4+ 0.8+ 991205 703 0.7- 1.3+ 000204 118 0.1- 0.7+ 000317 118 0.1+ 0.4+ 991205 703 0.9- 0.4+ 000204 118 0.7- 0.2+ 000318 118 0.3+ 1.1- 991205 703 0.6+ 0.3+ 000227 693 0.2- 0.3- 000318 118 0.3+ 1.1- 991205 703 0.1- 0.3+ 000227 693 0.4- 0.3- 000330 360 0.2+ 0.4- 991210 704 1.3+ 0.2+ 000227 693 0.4- 0.3- 000330 360 0.0 0.4- 991210 704 0.3- 0.0 000228 118 0.3- 0.3+ ( ) -------- Rejected Obs. OAA computing section circular NK 737 C/2000 B2 (LINEAR) The following improved orbital elements, by S. Nakano, are from 81 observations 2000 Jan. 29 to 2000 Mar. 30. The mean residual is +/- 0.45 arc second. T = 1999 Nov. 10.00317 +/- 0.03184 (m.e.) TT Peri. = 154.58183 +/- 0.00634 Node = 284.98978 +/- 0.00006 (2000.0) Inc. = 93.65332 +/- 0.00054 q = 3.7762033 +/- 0.0000887 AU e = 1.0 The following residuals in seconds of arc are from the above orbital elements: 2000/ 000202 704 0.4+ 0.1- 000204 360 0.3- 0.4- 000129 704 0.4+ 0.2+ 000202 704 0.0 0.6- 000205 402 0.4- 0.3- 000129 704 0.5+ 0.6+ 000202 704 0.3- 0.6+ 000205 402 0.7+ 0.4- 000129 704 0.8- 0.8- 000202 704 0.0 0.7+ 000205 402 0.2+ 0.2- 000129 704 0.8+ 0.1- 000202 704 0.3+ 0.0 000206 704 0.7- 0.3- 000129 704 0.0 0.7- 000202 704 0.1- 0.1- 000206 704 0.8- 0.1+ 000130 704 0.2+ 1.1- 000202 704 0.3- 0.0 000206 704 0.9- 0.6+ 000130 704 0.1+ 0.2+ 000202 704 0.1+ 0.2+ 000206 704 0.7- 0.2+ 000130 704 0.5+ 0.1+ 000202 704 0.5+ 0.4- 000209 372 (0.4+ 3.2+) 000130 704 0.8+ 0.1+ 000202 704 0.4- 0.1- 000209 372 (0.6+ 3.8+) 000130 704 0.0 0.0 000202 704 0.3- 0.2+ 000210 355 0.1- 0.9+ 000131 704 0.2- 0.2- 000202 704 0.3- 1.0- 000210 355 1.2+ 1.0+ 000131 704 0.4+ 0.0 000202 704 0.2- 0.3+ 000210 355 0.3+ 0.8+ 000131 704 0.4+ 0.2- 000202 704 0.2- 0.1- 000211 360 0.1+ 0.4- 000201 557 0.1+ 0.3+ 000203 704 0.4- 0.6- 000211 360 0.1+ 0.0 000201 557 0.2- 0.5+ 000203 704 0.4- 0.1+ 000211 360 0.5- 0.4- 000201 557 0.2+ 0.4+ 000203 704 0.3- 0.6+ 000222 372 (0.2+ 2.5+) 000201 046 0.2- 0.0 000203 704 0.1+ 0.8+ 000229 360 0.2- 0.3- 000201 046 0.4+ 0.4+ 000203 704 0.6+ 0.3- 000229 360 0.3- 0.0 000201 046 0.5+ 0.6+ 000203 704 0.1- 0.4- 000229 360 0.1+ 0.6- 000201 046 0.3- 0.5+ 000203 704 0.4- 0.2+ 000301 402 0.1- 0.3- 000201 046 0.1+ 0.3- 000203 704 0.1+ 0.2+ 000301 402 0.3- 0.1+ 000201 557 0.0 0.0 000203 704 0.2- 0.3- 000301 402 0.2+ 1.0+ 000201 557 0.1- 0.2- 000203 704 0.1- 0.1- 000309 360 0.2+ 0.4+ 000201 557 0.0 0.1- 000203 402 1.1- 1.1- 000309 360 0.5+ 0.3+ 000201 118 0.5+ 0.4+ 000203 402 (0.0 2.1+) 000309 360 0.1- 0.1+ 000201 118 0.1- 0.1+ 000203 402 0.2+ 0.0 000330 360 0.1- 0.0 000201 118 0.6+ 0.9+ 000204 360 0.2- 0.4- 000330 360 0.8+ 0.3+ 000202 704 (1.7- 2.4+) 000204 360 0.2+ 0.7- 000330 360 0.4- 0.9- ( ) -------- Rejected Obs. OAA computing section circular NK 738 P/2000 B3 (LINEAR) The following improved orbital elements, by S. Nakano, are from 87 observations 2000 Jan. 27 to May 29. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.55 arc second. Epoch = 2000 Feb. 26.0 TT T = 2000 Feb. 14.16004 +/- 0.00169 (m.e.) TT Peri. = 130.50669 +/- 0.00112 Node = 352.14751 +/- 0.00043 (2000.0) Inc. = 11.12620 +/- 0.00014 q = 1.7002485 +/- 0.0000127 AU e = 0.5752045 +/- 0.0000263 a = 4.0025103 +/- 0.0000624 AU n' = 0.12308507 +/- 0.00000288 P = 8.008 +/- 0.0001872 years (+/- 0.07 day) The predicted orbit for the 2008 return is as follows: T = 2008 Feb. 26.06183 TT Epoch = 2008 Feb. 24.0 TT Peri. = 130.64073 e = 0.5741986 Node = 352.06456 (2000.0) a = 4.0130113 AU Inc. = 11.11801 n'= 0.12260227 q = 1.7087460 AU P = 8.039 years The following residuals in seconds of arc are from the above orbital elements: 2000/ 000203 402 0.8+ 0.5- 000330 360 0.1+ 0.3+ 000127 704 0.4- 0.3- 000203 402 0.5+ 0.0 000402 704 (2.8+ 2.8+) 000127 704 0.8+ 0.1- 000203 046 0.4- 0.1+ 000402 704 (3.1+ 0.3-) 000127 704 0.7+ 0.7- 000203 046 0.4- 0.3+ 000402 704 (5.1+ 0.4-) 000127 704 1.7+ 0.5- 000203 046 0.3- 0.3+ 000402 704 (3.8+ 0.5-) 000130 704 1.1- 0.2- 000203 046 0.1- 0.5+ 000402 704 (3.0+ 0.0 ) 000130 704 0.6- 0.3+ 000203 046 0.4- 0.3- 000406 900 1.6+ 0.1+ 000130 704 0.2+ 0.1+ 000204 360 0.2- 0.1+ 000406 900 (2.6+ 0.4-) 000130 704 0.1+ 0.2- 000204 360 0.2+ 0.2+ 000407 349 0.2- 0.0 000130 704 0.1+ 0.1+ 000204 360 0.1- 0.1- 000407 349 1.3+ 0.1+ 000131 704 0.1- 0.0 000204 372 (0.2- 2.2+) 000407 349 0.4+ 1.2- 000131 704 0.0 0.3+ 000205 402 0.1- 0.1- 000411 349 0.3+ 0.6- 000131 704 0.2- 0.3+ 000205 402 0.3+ 0.4- 000411 349 1.1+ 0.5- 000131 704 0.2+ 0.5- 000205 402 0.1+ 0.3- 000416 900 (6.6+ 1.4-) 000201 557 (0.5- 2.6-) 000211 360 0.2- 0.5+ 000416 900 (3.7+ 0.3-) 000201 557 0.1- 0.6- 000211 360 0.3- 0.4+ 000423 349 1.6+ 1.7- 000202 858 0.2+ 0.0 000228 118 0.2+ 0.2+ 000423 349 0.3+ 0.9- 000202 858 0.1- 0.1- 000228 118 0.1+ 0.2+ 000424 360 0.1- 0.4+ 000202 858 0.0 0.1- 000229 360 0.8- 0.1+ 000424 360 0.7- 0.8+ 000202 704 0.3+ 0.1+ 000229 360 0.7- 0.3+ 000501 695 0.9- 0.5+ 000202 704 1.0+ 0.3- 000301 402 0.2+ 0.3+ 000501 695 0.7- 0.5+ 000202 670 0.2- 0.3+ 000301 402 0.0 0.1+ 000501 695 0.7- 0.4+ 000202 704 0.4+ 0.2+ 000301 402 0.4+ 0.1- 000502 704 (0.7- 2.1+) 000202 704 0.2- 0.0 000304 118 0.7+ 0.2+ 000502 704 0.4- 1.2+ 000202 704 1.3+ 0.1- 000304 118 0.3+ 0.0 000502 704 (2.3+ 0.3-) 000202 670 0.3- 0.1- 000304 118 0.1+ 0.1+ 000508 360 0.6- 0.0 000202 651 0.8- 0.0 000309 360 0.7- 0.3+ 000508 360 0.1+ 0.1+ 000202 651 1.4- 0.3+ 000309 360 0.9- 0.3+ 000508 360 0.3- 0.0 000202 670 (2.9- 0.4+) 000312 704 0.4- 0.9- 000529 699 (4.0+ 0.1-) 000202 651 0.6- 0.2+ 000312 704 1.8- 0.5+ 000529 699 (3.7+ 0.6-) 000202 422 0.2+ 0.2+ 000312 704 1.5+ 0.2- 000529 699 (6.0+ 0.5-) 000202 422 0.2+ 1.1+ 000312 704 0.6+ 0.1- 000529 699 (4.6+ 0.8-) 000202 163 (1.3- 2.1+) 000312 349 0.8- 0.9- 000529 360 0.2- 0.1+ 000202 163 0.7- 0.1- 000312 349 0.6- 0.1- 000529 360 0.5+ 0.2- 000202 163 (3.7+ 1.1-) 000312 349 0.0 0.2+ 000529 360 0.1- 0.2- 000203 402 0.2+ 0.5- 000330 360 0.0 0.1+ ( ) -------- Rejected Obs. OAA computing section circular NK 739 P/2000 B4 (LINEAR) The following improved orbital elements, by S. Nakano, are from 78 observations 2000 Jan. 2 to 2000 Apr. 30. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.52 arc second. Epoch = 2000 June 25.0 TT T = 2000 June 16.50138 +/- 0.65721 (m.e.) TT Peri. = 126.27822 +/- 0.09035 Node = 0.61911 +/- 0.08715 (2000.0) Inc. = 15.91045 +/- 0.02196 q = 6.8287376 +/- 0.0038344 AU e = 0.6211329 +/- 0.0001591 a = 18.0240951 +/- 0.0007011 AU n' = 0.01288024 +/- 0.00000075 P = 76.521 +/- 0.0044649 years (+/- 1.63 day) The predicted orbit for the 2075 return is as follows: T = 2075 Nov. 27.53911 TT Epoch = 2075 Dec. 9.0 TT Peri. = 126.17224 e = 0.6234379 Node = 0.59693 (2000.0) a = 18.1152091 AU Inc. = 15.89942 n'= 0.01278318 q = 6.8215015 AU P = 77.102 years The following residuals in seconds of arc are from the above orbital elements: 2000/ 000205 046 0.4- 0.2- 000211 858 0.4- 0.6- 000102 704 0.3+ 0.4- 000205 046 0.5- 0.8- 000211 858 0.1+ 0.4- 000102 704 0.6- 0.9- 000205 046 0.8- 0.6+ 000211 658 0.0 0.1+ 000102 704 0.2+ 1.0+ 000206 858 0.9- 0.1- 000211 658 1.0- 0.2- 000102 704 1.1- 0.7+ 000206 704 0.4+ 0.0 000211 046 0.7- 0.4+ 000129 704 1.4+ 0.2+ 000206 704 0.9- 0.9+ 000211 046 0.1+ 0.1+ 000129 704 0.6+ 0.0 000206 704 0.2+ 0.4+ 000211 046 0.2+ 0.1- 000129 704 0.3- 0.4+ 000206 858 0.2- 0.1- 000211 046 0.1+ 0.1- 000129 704 1.4+ 0.6- 000206 858 0.1- 0.5+ 000212 858 0.4- 0.1+ 000131 704 0.4- 0.4+ 000207 557 1.2+ 0.1+ 000212 858 0.0 0.2- 000131 704 0.1- 0.5+ 000207 557 0.9+ 0.7- 000212 858 0.3+ 0.1- 000131 704 1.2+ 1.7+ 000207 557 0.2+ 0.1- 000212 104 0.3- 0.6- 000131 704 0.2+ 0.2+ 000207 557 0.6+ 0.1+ 000212 104 0.7- 0.5- 000202 704 0.2+ 0.2- 000207 557 0.1+ 0.4+ 000212 104 0.9- 1.5- 000202 704 0.1+ 0.1- 000208 711 0.7+ 0.7- 000229 360 0.0 0.6+ 000202 704 0.2+ 0.4+ 000208 711 1.0- 1.0- 000229 360 0.1+ 0.4+ 000202 704 0.2+ 0.6+ 000208 711 0.6+ 0.8- 000229 360 0.3+ 0.0 000205 651 0.3- 0.4- 000210 658 0.3+ 0.1- 000301 402 1.0- 0.6- 000205 651 0.2- 0.2- 000210 658 0.2+ 0.5+ 000301 402 0.7- 0.7+ 000205 651 0.3+ 0.1- 000210 557 0.8- 0.0 000301 402 (2.7- 1.5-) 000205 402 0.3- 0.2- 000210 557 0.1- 0.2- 000302 360 0.2+ 0.2+ 000205 402 0.2+ 0.1+ 000210 557 0.0 0.2- 000302 360 0.1- 0.2+ 000205 402 0.1+ 0.5+ 000210 557 0.1+ 0.9- 000302 360 0.3+ 0.4- 000205 402 0.6+ 0.3+ 000210 118 0.2+ 0.2+ 000430 695 0.2+ 0.3+ 000205 557 0.6- 0.7+ 000210 118 0.3+ 0.3+ 000430 695 0.2+ 0.1+ 000205 557 0.1+ 0.4- 000210 118 0.0 0.4- 000430 695 0.0 0.2+ 000205 046 0.4+ 0.1+ 000211 858 0.2+ 0.2+ ( ) -------- Rejected Obs. **** Don't distribute anyone except personal use only **** (C) Copyright 2000 OAA/ComputingSection write mail from CFAD0::NAKANO on 2000-11-04 05:18:20(JST).