OAA computing section circular NK 1411 183P/Korlevic-Juric (1999 DN3 = 2006 Y1)
The following improved orbital elements, by S. Nakano, are from 54 observations 1954 to 2006. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.73 arc second. See orbits in NK 752 and NK 1198 (= HICQ 2006). Epoch = 2008 May 14.0 TT T = 2008 May 9.11688 +/- 0.00322 (m.e.) TT Peri. = 161.67696 +/- 0.00045 Node = 5.84313 +/- 0.00009 (2000.0) Inc. = 18.73058 +/- 0.00004 q = 3.8939803 +/- 0.0000035 AU e = 0.1358177 +/- 0.0000007 a = 4.5059711 +/- 0.0000012 AU n' = 0.10304371 +/- 0.00000004 P = 9.565 +/- 0.0000039 years T = 1955 Jan. 31.25457 TT Epoch = 1955 Jan. 13.0 TT Peri. = 171.02405 e = 0.2605995 Node = 13.43806 (2000.0) a = 4.0403748 AU Inc. = 17.24223 n'= 0.12135889 q = 2.9874553 AU P = 8.121 years [ T = 1963 Mar. 25.19183 TT Epoch = 1963 Apr. 1.0 TT Peri. = 171.16303 e = 0.2589622 Node = 13.38538 (2000.0) a = 4.0519471 AU Inc. = 17.22419 n'= 0.12083936 q = 3.0026459 AU P = 8.156 years ] [ T = 1971 May 15.44759 TT Epoch = 1971 May 9.0 TT Peri. = 171.35213 e = 0.2607837 Node = 13.33643 (2000.0) a = 4.0385546 AU Inc. = 17.24216 n'= 0.12144095 q = 2.9853654 AU P = 8.116 years ] [ T = 1979 Sept. 1.30591 TT Epoch = 1979 Sept. 4.0 TT Peri. = 161.79188 e = 0.1381630 Node = 6.03307 (2000.0) a = 4.5014468 AU Inc. = 18.73494 n'= 0.10319910 q = 3.8795134 AU P = 9.551 years ] T = 1989 Feb. 24.27016 TT Epoch = 1989 Mar. 15.0 TT Peri. = 160.68339 e = 0.1356891 Node = 6.04784 (2000.0) a = 4.4991737 AU Inc. = 18.73586 n'= 0.10327731 q = 3.8886847 AU P = 9.543 years T = 1998 Sept.30.69902 TT Epoch = 1998 Sept.24.0 TT Peri. = 161.28225 e = 0.1350079 Node = 5.95503 (2000.0) a = 4.5177532 AU Inc. = 18.71968 n'= 0.10264087 q = 3.9078207 AU P = 9.602 years The predicted orbit for the 2017 return is as follows: T = 2017 Nov. 11.32124 TT Epoch = 2017 Nov. 23.0 TT Peri. = 161.25723 e = 0.1372869 Node = 5.84654 (2000.0) a = 4.4885708 AU Inc. = 18.75253 n'= 0.10364347 q = 3.8723486 AU P = 9.510 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1954/ 990414 704 0.4- 0.3- 990520 360 0.4+ 0.5- 540226 261 0.1+ 1.1- 990414 704 0.6- 0.5+ 990614 867 0.9+ 0.2+ 540226 261 0.0 0.6- 990414 704 0.4+ 0.4+ 990614 867 0.6+ 0.3- 540226 261 0.3- 1.2- 990415 704 0.1+ 0.2+ 990614 867 0.8+ 0.0 1989/ 990415 704 0.8+ 0.0 990707 360 0.2+ 0.5- 890407 261 0.2- 1.2- 990415 704 1.2- 0.6+ 990707 360 0.5+ 0.4- 890407 261 0.1- 0.5- 990415 704 0.3- 0.2- 990707 360 1.1+ 0.2- 1999/ 990415 704 (3.2- 0.2-) 2006/ 990218 120 (4.1- 0.8+) 990514 860 0.8+ 0.5- 061216 G96 0.3+ 0.4+ 990219 120 (2.4- 0.5+) 990514 860 (2.5+ 0.3+) 061216 G96 0.0 0.5+ 990219 120 (0.0 2.4+) 990514 860 (2.3+ 0.8+) 061216 G96 0.1- 0.2+ 990224 120 (5.6- 1.4+) 990514 734 1.3+ 1.3- 061216 G96 0.2+ 0.3+ 990224 120 (4.4- 0.0 ) 990514 719 (2.3+ 2.2+) 061217 G96 0.5- 0.8+ 990324 699 1.5- 0.1+ 990514 734 (2.4+ 0.1+) 061217 G96 0.4- 0.2+ 990324 699 1.9- 1.9+ 990514 734 1.7+ 0.1- 061217 G96 0.2- 0.2+ 990324 699 0.7- 0.9+ 990514 719 (2.1- 2.4-) 061217 G96 0.3+ 0.3+ 990406 704 1.2- 0.5+ 990516 046 0.8+ 1.0- 061222 204 0.3- 0.2- 990406 704 1.8- 0.8+ 990516 046 1.2+ 0.1- 061222 349 (0.6+ 2.5+) 990406 704 (2.1- 0.2+) 990516 046 1.7+ 1.0- 061222 349 (1.3+ 3.3+) 990406 704 1.0- 0.2- 990520 402 1.0+ 0.4+ 061224 204 0.7+ 0.6- 990406 704 1.4- 0.1+ 990520 402 1.0+ 0.3+ 061231 673 0.7+ 0.1+ 990410 699 0.3- 0.7+ 990520 402 0.5- 0.3- 061231 673 0.5+ 0.3+ 990410 699 0.7- 1.0+ 990520 360 0.4+ 0.3- 061231 673 0.3+ 0.4+ 990410 699 0.2- 0.4+ 990520 360 0.0 0.5- 061231 673 0.3+ 0.7+ ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 2007 Jan. 11