OAA computing section circular NK 1693 206P/Barnard-Boattini (1892 T1 = 2008 T3) [Temporary numbered]
The following improved orbital elements, by S. Nakano, are from 244 observations 1892 to 2008. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.91 arc second. See orbit in NK 1685. The comet has passed 0.27 AU from Jupiter on 1922 Oct. 8 UT. Epoch = 2008 Oct. 21.0 TT T = 2008 Oct. 25.09394 +/- 0.00013 (m.e.) TT Peri. = 181.42651 +/- 0.00013 Node = 204.13540 +/- 0.00002 (2000.0) Inc. = 32.92873 +/- 0.00005 q = 1.1451839 +/- 0.0000004 AU e = 0.6464677 +/- 0.0000010 a = 3.2392626 +/- 0.0000029 AU n' = 0.16905765 +/- 0.00000023 P = 5.830 +/- 0.0000078 years T = 1892 Dec. 11.20764 TT Epoch = 1892 Dec. 8.0 TT Peri. = 170.03867 e = 0.5886035 Node = 208.03520 (2000.0) a = 3.4800856 AU Inc. = 31.26163 n'= 0.15181657 q = 1.4316949 AU P = 6.492 years [ T = 1899 June 7.88616 TT Epoch = 1899 May 26.0 TT Peri. = 169.99507 e = 0.5879442 Node = 208.05960 (2000.0) a = 3.4816037 AU Inc. = 31.23777 n'= 0.15171729 q = 1.4346150 AU P = 6.496 years ] [ T = 1905 Dec. 3.26982 TT Epoch = 1905 Dec. 21.0 TT Peri. = 170.04225 e = 0.5892278 Node = 208.02776 (2000.0) a = 3.4742033 AU Inc. = 31.29249 n'= 0.15220230 q = 1.4271062 AU P = 6.476 years ] [ T = 1912 May 17.47527 TT Epoch = 1912 Apr. 28.0 TT Peri. = 170.22483 e = 0.5929396 Node = 207.98571 (2000.0) a = 3.4567750 AU Inc. = 31.40354 n'= 0.15335481 q = 1.4071164 AU P = 6.427 years ] [ T = 1918 Oct. 21.02366 TT Epoch = 1918 Oct. 14.0 TT Peri. = 170.32367 e = 0.5934754 Node = 207.92695 (2000.0) a = 3.4525723 AU Inc. = 31.43459 n'= 0.15363491 q = 1.4035554 AU P = 6.415 years ] [ T = 1925 Mar. 1.38613 TT Epoch = 1925 Feb. 19.0 TT Peri. = 175.09923 e = 0.6459680 Node = 206.76445 (2000.0) a = 3.2722368 AU Inc. = 31.88256 n'= 0.16650872 q = 1.1584766 AU P = 5.919 years ] [ T = 1931 Feb. 2.08773 TT Epoch = 1931 Jan. 19.0 TT Peri. = 175.19472 e = 0.6460063 Node = 206.70877 (2000.0) a = 3.2710131 AU Inc. = 31.89314 n'= 0.16660217 q = 1.1579179 AU P = 5.916 years ] [ T = 1936 Dec. 19.11843 TT Epoch = 1936 Dec. 18.0 TT Peri. = 178.58382 e = 0.6892358 Node = 205.60995 (2000.0) a = 3.1429628 AU Inc. = 31.82756 n'= 0.17688671 q = 0.9767203 AU P = 5.572 years ] [ T = 1942 July 17.01810 TT Epoch = 1942 July 20.0 TT Peri. = 178.67261 e = 0.6896066 Node = 205.56409 (2000.0) a = 3.1407780 AU Inc. = 31.85304 n'= 0.17707131 q = 0.9748769 AU P = 5.566 years ] [ T = 1948 Feb. 1.53069 TT Epoch = 1948 Feb. 19.0 TT Peri. = 179.02460 e = 0.6959640 Node = 205.46328 (2000.0) a = 3.1177571 AU Inc. = 32.02866 n'= 0.17903612 q = 0.9479105 AU P = 5.505 years ] [ T = 1953 Aug. 3.15413 TT Epoch = 1953 Aug. 11.0 TT Peri. = 179.08987 e = 0.6969804 Node = 205.43004 (2000.0) a = 3.1131556 AU Inc. = 32.09213 n'= 0.17943321 q = 0.9433470 AU P = 5.493 years ] [ T = 1959 Jan. 27.01540 TT Epoch = 1959 Feb. 1.0 TT Peri. = 179.09464 e = 0.6978734 Node = 205.44053 (2000.0) a = 3.1088503 AU Inc. = 32.12034 n'= 0.17980607 q = 0.9392665 AU P = 5.482 years ] [ T = 1964 July 18.34477 TT Epoch = 1964 July 24.0 TT Peri. = 179.10133 e = 0.6988406 Node = 205.43618 (2000.0) a = 3.1040629 AU Inc. = 32.17793 n'= 0.18022221 q = 0.9348176 AU P = 5.469 years ] [ T = 1970 Jan. 5.40210 TT Epoch = 1970 Jan. 14.0 TT Peri. = 179.07855 e = 0.6984188 Node = 205.45197 (2000.0) a = 3.1059370 AU Inc. = 32.14986 n'= 0.18005912 q = 0.9366921 AU P = 5.474 years ] [ T = 1975 June 25.36604 TT Epoch = 1975 July 7.0 TT Peri. = 179.05461 e = 0.6987776 Node = 205.46738 (2000.0) a = 3.1039194 AU Inc. = 32.17834 n'= 0.18023471 q = 0.9349701 AU P = 5.468 years ] [ T = 1980 Dec. 14.56937 TT Epoch = 1980 Dec. 27.0 TT Peri. = 179.06261 e = 0.6979413 Node = 205.46280 (2000.0) a = 3.1082618 AU Inc. = 32.13218 n'= 0.17985714 q = 0.9388774 AU P = 5.480 years ] [ T = 1986 June 9.73483 TT Epoch = 1986 June 19.0 TT Peri. = 179.09496 e = 0.6965320 Node = 205.46506 (2000.0) a = 3.1132046 AU Inc. = 32.09629 n'= 0.17942897 q = 0.9447581 AU P = 5.493 years ] [ T = 1991 Dec. 10.26890 TT Epoch = 1991 Dec. 10.0 TT Peri. = 179.14541 e = 0.6957103 Node = 205.43727 (2000.0) a = 3.1176864 AU Inc. = 32.05237 n'= 0.17904221 q = 0.9486800 AU P = 5.505 years ] [ T = 1997 June 26.44109 TT Epoch = 1997 July 11.0 TT Peri. = 179.51147 e = 0.6886150 Node = 205.27818 (2000.0) a = 3.1412595 AU Inc. = 31.96360 n'= 0.17703061 q = 0.9781410 AU P = 5.567 years ] [ T = 2003 Jan. 23.30110 TT Epoch = 2003 Feb. 10.0 TT Peri. = 179.59956 e = 0.6881246 Node = 205.23381 (2000.0) a = 3.1436129 AU Inc. = 31.94194 n'= 0.17683185 q = 0.9804154 AU P = 5.574 years ] The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1892/ 081009 900 1.0- 0.2+ 081021 H45 0.2- 0.3- 921017 020 0.5- 0.1- 081009 900 0.4+ 0.2+ 081021 H45 0.5+ 0.3- 921018 020 2.5+ 0.3- 081009 585 0.5- 0.3+ 081021 H45 0.4+ 0.3- 921019 020 1.0+ 1.9+ 081009 585 0.3- 0.2- 081021 H45 0.1+ 0.6- 921021 020 0.1- 3.9+ 081009 104 0.4- 0.6+ 081021 H45 0.1+ 0.5- 921022 020 2.4+ 4.9+ 081009 104 1.1- 0.8+ 081021 H45 0.5+ 0.3- 921024 020 0.8- 3.0+ 081009 104 (2.0- 1.1+) 081021 E85 0.6+ 0.3- 921026 020 4.1- 7.6+ 081009 585 1.4- 0.5- 081021 E85 0.0 0.8+ 921027 020 3.2- 6.3+ 081009 104 0.5- 0.4+ 081021 E85 (3.5+ 5.7-) 921208 020(15.3- 40.1+) 081009 585 0.4+ 0.6+ 081021 900 0.6- 0.1+ 2008/ 081009 585 (0.6- 2.3-) 081021 900 0.7+ 1.1- 081007 703 1.1+ 1.2- 081009 585 0.5- 0.4- 081021 213 0.2+ 0.3- 081007 703 0.2+ 1.0+ 081009 585 0.3- 0.5- 081021 213 0.3+ 0.1- 081007 703 1.5- 0.6+ 081009 585 1.6- 0.0 081021 213 0.2+ 0.5- 081007 703 0.6+ 1.5+ 081009 585 0.1+ 1.3+ 081021 056 0.0 0.1+ 081007 703 1.0- 0.5- 081009 585 0.2+ 0.5- 081021 A71 (2.8+ 0.8-) 081007 703 0.2- 0.7- 081009 585 0.8- 0.0 081021 056 0.2- 0.3+ 081007 703 0.0 0.3+ 081009 204 0.4- 0.1+ 081021 A71 (2.7+ 1.2-) 081007 703 0.1- 0.9+ 081009 204 0.7- 0.1+ 081021 056 0.4+ 0.2+ 081007 703 0.3- 0.9- 081010 G96 0.4- 0.4- 081021 A71 (3.2+ 1.0-) 081007 703 0.1- 0.7- 081010 G96 0.0 0.9- 081021 J55 0.2- 1.0+ 081007 703 0.2- 0.5- 081010 G96 0.0 0.7- 081021 J55 0.7+ 0.2- 081007 703 0.1- 1.5- 081010 G96 0.5- 0.6- 081021 J55 0.7- 0.0 081007 703 0.4- 0.7- 081010 850 0.2- 0.1- 081022 585 0.9+ 0.5- 081007 703 0.8+ 1.1- 081010 850 0.2- 0.4- 081022 585 1.5+ 0.5+ 081007 703 1.9+ 1.2- 081010 850 0.1- 0.2- 081022 585 0.1+ 0.0 081007 854 (0.8+ 2.7+) 081010 213 0.8- 0.2+ 081022 585 0.1+ 0.5+ 081007 854 0.5- 1.2+ 081010 629 0.7- 0.3- 081022 585 0.2- 1.0- 081007 118 0.4- 0.2- 081010 629 0.2- 0.1- 081022 585 1.2+ 0.2- 081007 118 1.0- 0.3+ 081010 213 0.2- 0.4- 081022 056 0.1- 1.0+ 081007 118 0.3- 0.2+ 081010 629 0.2- 0.1+ 081022 056 0.1+ 0.4+ 081007 118 0.1- 0.0 081010 213 0.8- 1.0+ 081022 056 0.4+ 0.4+ 081007 J95 0.8- 0.2+ 081010 A77 (1.1+ 2.6-) 081023 704 0.3+ 1.0+ 081007 J95 0.2- 0.1- 081010 A77 0.1+ 1.1- 081023 704 1.1+ 1.3+ 081007 J95 0.7- 0.0 081010 A77 0.5- 0.2- 081023 704 1.6+ 0.9+ 081007 J95 0.5- 0.2- 081010 A77 0.4- 0.4- 081023 704 1.3+ 1.5+ 081007 A35 0.6- 0.2- 081010 B37 0.9+ 1.6- 081023 704 0.8+ 1.5+ 081007 A35 0.3- 0.1- 081010 B37 0.9+ 1.2- 081024 704 0.4+ 0.5+ 081007 A35 0.9- 0.2+ 081010 B37 0.8+ 1.2- 081024 704 0.5+ 0.8+ 081007 A35 0.5- 0.1+ 081010 J24 1.6+ 1.3- 081024 704 0.0 1.0+ 081008 J95 0.4- 0.0 081010 J24 0.6+ 0.6- 081024 704 0.5+ 1.4+ 081008 J95 0.4- 0.1- 081010 J24 0.2- 1.1- 081024 704 0.5+ 1.8+ 081008 J95 0.5- 0.2- 081011 215 (2.6+ 0.1-) 081024 372 0.7+ 0.6- 081008 682 0.0 0.7- 081011 215 1.1+ 0.4- 081024 B30 (2.5+ 7.3-) 081008 682 0.1- 0.9- 081011 215 1.7+ 0.5- 081024 J47 0.5- 0.1- 081008 682 0.2+ 0.9- 081011 629 0.7+ 1.5- 081024 J47 0.2+ 0.1- 081008 G96 0.7- 0.0 081011 629 0.2+ 1.8- 081024 J47 0.5+ 0.2- 081008 G96 0.8- 0.8- 081011 629 0.6+ 1.3- 081024 J24 0.9+ 1.2+ 081008 G96 0.3- 0.6- 081013 118 0.2+ 0.4- 081025 J24 1.5+ 1.0- 081008 G96 0.3- 0.7- 081013 118 0.2- 0.2- 081025 J24 0.3- 1.1- 081008 G96 0.3- 0.4- 081013 118 0.1- 0.1- 081025 704 0.4+ 0.6+ 081008 G96 0.9- 0.2- 081013 118 0.3+ 0.7- 081025 704 0.1+ 0.5+ 081008 G96 0.9- 0.1- 081015 900 0.2+ 0.1- 081025 704 0.4+ 0.6+ 081008 673 1.0- 0.6+ 081015 900 0.5+ 0.4- 081025 704 0.3+ 0.4+ 081008 673 1.0- 0.8+ 081015 349 0.1- 0.1+ 081025 704 1.1+ 0.9+ 081008 673 0.7- 0.4+ 081015 349 0.0 0.1- 081025 213 0.4+ 0.1+ 081008 673 1.1- 1.2+ 081015 349 0.3- 0.3- 081025 213 0.1- 0.0 081008 H01 0.4- 0.4+ 081016 355 0.6+ 0.7- 081025 213 0.3- 0.2+ 081008 H01 0.5- 0.3+ 081016 355 0.4- 1.4- 081026 704 0.1+ 0.2+ 081008 H01 0.6- 0.6+ 081016 355 0.1+ 1.2- 081026 704 0.6+ 0.8+ 081008 H01 0.6- 0.4+ 081018 349 1.0+ 0.2+ 081026 704 0.0 0.9+ 081008 H01 0.4- 0.3+ 081018 349 1.0+ 0.3+ 081026 H45 1.3- 0.5- 081008 H01 0.3- 0.3+ 081018 349 1.2+ 0.4+ 081026 H45 0.2- 0.8+ 081008 H01 0.6- 0.4+ 081018 B42 0.8+ 0.5- 081026 H45 0.3+ 0.4- 081008 H01 0.2- 0.4+ 081018 B42 1.0+ 1.1- 081026 H45 0.3- 0.3+ 081008 H01 0.4- 0.2+ 081018 B42 1.1+ 1.0- 081026 H45 0.1- 0.9+ 081008 H01 0.6- 0.5+ 081019 H45 0.0 0.6- 081026 H45 0.3+ 0.5+ 081008 448 0.5- 0.3+ 081019 H45 0.2- 0.5- 081026 H45 0.8- 0.5+ 081008 448 0.3- 0.1- 081019 H45 0.1+ 0.2- 081026 704 0.1- 0.2+ 081008 448 0.6- 0.1+ 081019 H45 0.1+ 1.8- 081026 704 0.3+ 0.3+ 081008 448 0.6- 0.2- 081019 H45 (0.0 2.2-) 081027 H45 1.2+ 0.1- 081008 448 0.6- 0.0 081019 H45 0.1+ 1.9- 081027 H45 0.7+ 0.2+ 081008 701 0.4+ 0.9- 081019 056 0.6+ 0.4- 081027 H45 0.3- 0.8+ 081008 G96 0.3- 0.1+ 081019 056 (2.1- 4.2-) 081027 H45 0.3- 1.0+ 081008 G96 0.3- 0.1- 081019 056 (1.2+ 5.2+) 081027 H45 0.4- 1.1- 081008 G96 0.4- 0.5- 081019 A13 (1.1+ 2.3-) 081027 H45 0.4- 0.1+ 081008 G96 0.6- 0.5- 081019 A13 (1.2+ 2.1-) 081027 704 0.2+ 0.3+ 081008 H06 1.3- 0.5+ 081019 A71 (2.5+ 0.8-) 081027 704 0.0 1.5+ 081008 H06 1.0- 0.5+ 081019 A71 (2.7+ 0.9-) 081027 704 0.0 0.2- 081008 H06 1.1- 0.6+ 081019 A71 (3.1+ 0.6-) 081027 704 0.2+ 0.6+ 081008 701 0.3- 1.6+ 081020 629 1.2+ 0.0 081027 704 0.3+ 0.0 081008 H06 0.3+ 1.0+ 081020 629 1.2+ 0.3- 081027 372 0.2+ 0.3+ 081008 A35 0.5- 0.2+ 081020 629 0.9+ 0.4- 081027 372 0.1+ 0.6+ 081008 A35 0.8- 0.0 081020 215 0.3+ 0.4- 081027 J47 0.1+ 0.9+ 081008 A35 0.7- 0.1+ 081020 215 0.3+ 0.6- 081027 J47 0.0 0.7+ 081009 673 0.0 0.7+ 081020 215 0.5+ 1.0- 081027 J47 0.1- 0.2+ 081009 673 0.3- 0.9+ 081020 B73 0.4- 0.8+ 081027 J47 0.2+ 0.1- 081009 673 0.3- 0.1- 081020 B73 0.3+ 1.1+ 081009 673 1.4- 0.1+ 081021 H45 0.4+ 0.3- ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 2008 Nov. 4