OAA computing section circular NK 1043 106P/Schuster
The following improved orbital elements, by S. Nakano, are from 194 observations 1977 to 2000, 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 +/- 0.74 arc second. See a previous orbit in NK 644. Epoch = 1999 Dec. 8.0 TT T = 1999 Dec. 16.22595 +/- 0.00021 (m.e.) TT Peri. = 355.85842 +/- 0.00014 Node = 50.58925 +/- 0.00004 (2000.0) Inc. = 20.13872 +/- 0.00002 q = 1.5497189 +/- 0.0000007 AU e = 0.5879212 +/- 0.0000002 a = 3.7607344 +/- 0.0000006 AU n' = 0.13514347 +/- 0.00000003 P = 7.293 +/- 0.0000017 years A1 = +0.119 +/- 0.020 A2 = +0.00702 +/- 0.00037 T = 1978 Jan. 6.81328 TT Epoch = 1978 Jan. 12.0 TT Peri. = 353.92929 e = 0.5740263 Node = 51.52045 (2000.0) a = 3.8208397 AU Inc. = 20.44747 n'= 0.13196715 q = 1.6275774 AU P = 7.469 years [ T = 1985 June 2.52505 TT Epoch = 1985 May 15.0 TT Peri. = 355.62956 e = 0.5902374 Node = 50.67357 (2000.0) a = 3.7448796 AU Inc. = 20.15270 n'= 0.13600262 q = 1.5345114 AU P = 7.247 years ] T = 1992 Sept. 6.41661 TT Epoch = 1992 Sept.15.0 TT Peri. = 355.73111 e = 0.5895208 Node = 50.60181 (2000.0) a = 3.7498512 AU Inc. = 20.13384 n'= 0.13573224 q = 1.5392359 AU P = 7.261 years The predicted orbit for the 2007 return is as follows: T = 2007 Apr. 2.22179 TT Epoch = 2007 Apr. 10.0 TT Peri. = 355.82894 e = 0.5868018 Node = 50.61223 (2000.0) a = 3.7660708 AU Inc. = 20.11133 n'= 0.13485633 q = 1.5561338 AU P = 7.309 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1977/ 921130 360 0.1+ 0.5- 991202 704 (9.1+ 2.5+) 770905 809 2.1+ 2.3+ 921130 360 0.0 0.2- 991202 704 (2.1+ 0.8+) 770906 809 0.8+ 0.6+ 921201 691 0.4- 0.9- 991202 704 (7.6+ 2.4+) 770906 809 1.5+ 0.7+ 921201 691 0.6- 0.7- 991202 704 (2.0+ 4.1-) 770907 809 0.8+ 0.9+ 921201 691 0.1- 1.0- 991203 704 (7.2+ 1.1+) 770907 809 1.4- 0.1- 921218 596 (6.6- 0.1-) 991203 704 (4.1+ 0.6+) 770907 809 0.8- 0.2+ 921218 596(10.3- 2.7+) 991203 704 (4.1+ 0.8+) 770911 809 0.1- 0.4- 1999/ 991203 704 (4.3+ 1.6+) 770916 413 (2.8- 3.3+) 990901 413 0.1+ 0.2- 991208 360 0.3- 0.1- 771009 809 1.1+ 1.3- 990901 413 0.2+ 0.2- 991208 360 0.0 0.0 771010 809 0.4+ 1.4- 990914 413 0.2+ 0.2- 991209 699 (6.6+ 1.9+) 771010 809 0.6+ 0.2- 990914 413 0.3+ 0.2- 991210 349 0.2- 0.7- 771011 809 1.0+ 1.0- 991006 704 0.6- 0.6- 991210 349 0.0 0.3- 771012 809 1.2+ 0.7- 991006 704 0.3- 0.3+ 991210 349 0.1- 0.2- 771013 809 0.2+ 0.6- 991006 704 1.4- 0.5- 991221 355 0.1- 0.2+ 771013 809 1.1+ 0.4- 991006 704 1.4- 1.2- 991221 355 0.4+ 0.5+ 771013 809 1.4+ 1.4- 991009 900 1.5- 1.9+ 991221 355 0.5+ 0.4+ 771014 809 0.9+ 0.6- 991009 900 1.1- 1.8+ 991222 046 0.5- 0.1- 771015 809 0.9+ 1.4- 991017 360 0.1- 0.1+ 991222 046 0.9- 0.2- 771015 809 0.8- 0.2+ 991017 360 0.1- 0.1+ 991222 046 0.6- 0.0 771016 809 0.5- 0.7- 991020 897 0.8+ 0.5+ 991222 046 0.2- 0.2- 771017 809 0.2+ 1.0- 991020 897 0.7+ 0.5+ 991222 118 0.0 0.4+ 771019 805 0.0 0.6+ 991020 349 0.6- 0.2- 991222 118 0.3- 0.3+ 771031 323 0.8- 0.8- 991020 349 0.4- 0.0 991223 349 0.9- 0.3- 771108 809 0.5+ 1.0- 991020 349 0.4- 0.4- 991223 349 0.2- 0.4- 771110 809 0.4- 2.3- 991024 402 0.2+ 0.1- 991223 349 1.0- 0.5- 771110 809 0.1+ 1.8- 991024 402 0.4- 0.1- 991223 900 1.0- 0.3+ 771111 808 1.4- 0.5- 991024 402 0.2- 0.5- 991223 900 0.2- 0.5+ 771111 808 0.6+ 0.3+ 991103 402 0.3- 0.9+ 991224 897 0.2- 0.0 771113 809 0.3+ 1.1- 991103 402 0.4- 0.9+ 991224 897 0.6- 0.1- 771114 805 0.5+ 0.1+ 991104 360 0.2- 0.2+ 991228 351 0.3- 0.9+ 771116 805 2.1- 0.6+ 991104 360 0.4- 0.1+ 991228 351 0.3+ 1.3- 771203 809 0.3- 0.1+ 991104 900 0.6- 0.6+ 991228 351 1.3+ 0.5- 771203 809 0.6- 0.9- 991104 900 1.0- 0.3+ 991231 351 (2.9- 0.6+) 771203 879 0.9- 0.5- 991107 351 1.4- 0.0 991231 351 1.2- 0.2+ 771204 323 0.3- 1.7- 991107 351 0.5+ 0.5- 991231 351 0.6+ 0.1- 1978/ 991107 351 1.1- 0.2- 2000/ 780102 323 0.1+ 0.2- 991110 704 (5.7+ 3.2+) 000101 897 0.1+ 0.1+ 780108 809 1.0+ 0.3+ 991110 704 (4.8+ 4.2+) 000101 897 1.3+ 0.2- 1992/ 991110 704 (1.8+ 2.6+) 000101 897 0.5+ 0.1- 920728 372 (4.8- 0.7-) 991110 704 (3.9+ 4.7+) 000102 367 0.1- 0.4+ 920728 372 (2.3- 0.7-) 991110 704 (3.7+ 6.2+) 000102 367 0.2- 0.4+ 920729 372 (6.7- 0.6-) 991110 360 0.1- 0.5- 000102 367 0.3- 0.2+ 920729 372 (5.6- 2.5-) 991110 360 0.0 0.4- 000103 587 0.0 0.8+ 920825 801 (2.7+ 0.3+) 991112 695 1.4+ 1.4+ 000103 587 0.2- 0.1+ 920825 801 1.1- 0.3+ 991112 695 (1.8+ 3.3+) 000104 360 0.3- 0.1+ 920827 657 0.1- 0.7+ 991112 695 1.7+ 1.6+ 000104 360 0.3- 0.1+ 920827 657 0.6+ 0.7+ 991113 897 0.9+ 0.8+ 000107 704 0.6+ 1.9+ 920828 657 1.2+ 1.1+ 991113 897 0.4+ 0.8+ 000107 704 (3.1+ 0.7+) 920828 657 0.6- 0.1- 991113 351 0.5+ 1.4+ 000107 704 (5.3+ 1.1+) 920828 657 0.1+ 0.7+ 991113 351 0.5+ 1.4+ 000107 704 0.1+ 0.6+ 920905 411 (2.5- 2.2-) 991113 897 0.8+ 0.5+ 000107 704 (1.7+ 4.6-) 920905 411 0.8- 0.6- 991113 351 1.3+ 1.0+ 000108 349 0.2- 0.5- 920905 411 1.4- 0.2- 991113 349 0.0 0.3+ 000108 349 0.6+ 0.1- 920925 801 1.2- 0.1+ 991113 349 0.5+ 0.4+ 000108 349 0.1+ 1.1+ 920925 801 0.4- 0.6+ 991113 349 0.4+ 0.3+ 000108 351 (0.1+ 3.5-) 920925 360 1.8+ 0.6+ 991115 699 (4.8+ 3.6+) 000108 351 0.3- 1.3- 920925 360 1.0+ 0.3+ 991115 699 (5.4+ 4.2+) 000108 351 1.1+ 1.9- 920929 033 (2.3+ 0.5+) 991115 699 (6.5+ 6.7+) 000111 402 0.6- 1.0- 920929 033 (5.3- 0.5+) 991115 474 0.9+ 1.1+ 000111 402 0.5+ 0.4+ 921001 801 1.2- 1.3+ 991115 474 0.5+ 0.0 000111 402 0.4+ 0.1- 921001 801 0.3- 0.3+ 991118 349 0.8+ 0.1- 000118 900 0.2- 0.2+ 921022 691 0.6- 0.2- 991118 349 0.7- 0.0 000118 900 0.4- 0.1- 921022 691 1.3- 0.5+ 991118 349 0.0 0.3- 000122 349 0.9+ 0.3+ 921023 801 1.0+ 1.0- 991120 046 0.4+ 0.3+ 000122 349 0.2- 0.4- 921023 801 0.9- 0.4+ 991120 046 0.2+ 0.2+ 000122 349 0.2+ 0.6- 921025 360 0.1+ 0.2+ 991120 046 0.2+ 0.3+ 000128 360 0.6- 0.2- 921025 360 1.0+ 0.2- 991128 351 1.6- 1.3- 000128 360 0.3- 0.3+ 921028 801 (2.6+ 0.6-) 991128 351 0.2- 0.6+ 000131 704 (3.5+ 0.4+) 921028 801 0.8+ 0.0 991128 900 0.1+ 0.6+ 000131 704 (3.9+ 1.1+) 921030 411 1.0- 1.5- 991128 351 0.5+ 0.3- 000131 704 (3.5+ 2.1+) 921030 411 1.5- 0.4- 991128 900 0.1+ 0.4+ 000131 704 (3.2+ 0.9+) 921102 033 0.9+ 0.4+ 991128 349 0.6- 0.2- 000205 349 0.6- 0.0 921102 033 1.4+ 0.6+ 991128 349 0.0 1.0- 000205 349 0.3- 0.7- 921102 033 0.4- 0.1- 991128 349 0.5+ 0.0 000301 900 1.8+ 1.0+ 921102 033 0.4+ 0.7- 991130 360 0.8- 0.2+ 000301 360 0.4+ 0.1- 921121 411 0.2+ 0.1- 991130 360 0.8- 0.0 000301 360 0.6+ 0.2+ 921121 411 1.0- 0.6- 991130 897 0.0 1.2- 000301 900 0.0 1.5+ 921124 360 0.6+ 0.0 991130 897 0.1+ 1.2- 921124 360 0.1+ 0.8- 991202 704 0.9- 1.3- ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 2004 Apr. 6