OAA computing section circular NK 572 07S1-0180Periodic Comet Tuttle-Giacobini-Kresak 07S1-0120
The following improved orbital elements, 06F1-001 by S. Nakano, 06F1-000 are from 46 observations 1973 - 1989, including full planetary and five minor planets perturbations and non-gravitational effect of style II. The mean residual is +/- 1.81 arc seconds. 06F1-001 Epoch = 06F1-000 1990 Jan. 29.0 06F1-001 TT 06F1-000 06F1-001 T = 06F1-000 1990 Feb. 8.20681 +/- 0.00179 06F1-001 (m.e.) TT 06F1-000 06F1-001 Peri. = 06F1-000 61.60502 +/- 0.00053 06F1-001 Node = 06F1-000 141.55223 +/- 0.00137 06F1-001 (2000.0) 06F1-000 06F1-001 Inc. = 06F1-000 9.22446 +/- 0.00022 06F1-001 q = 06F1-000 1.0680056 +/- 0.0000082 06F1-001 AU 06F1-000 06F1-001 e = 06F1-000 0.6557516 +/- 0.0000042 06F1-001 a = 06F1-000 3.1024270 +/- 0.0000028 06F1-001 AU 06F1-000 06F1-001 nß = 06F1-000 0.18036478 +/- 0.00000024 06F1-001 P = 06F1-000 5.465 +/- 0.0000074 06F1-001 years 06F1-000 06F1-001 A1 = 06F1-000 -0.215 +/- 0.096 06F1-001 A2 = 06F1-000 -0.00561 +/- 0.00051 06F1-001T = 06F1-000 1973 May 30.08620 06F1-001 TT 06F1-000 06F1-001 Epoch = 06F1-000 1973 June 7.0 06F1-001 TT 06F1-000 06F1-001Peri. = 06F1-000 38.78162 06F1-001 e = 06F1-000 0.6330255 06F1-001Node = 06F1-000 165.84787 06F1-001 (2000.0) a = 06F1-000 3.1390247 06F1-001 AU 06F1-000 06F1-001Inc. = 06F1-000 13.59066 06F1-001nß= 06F1-000 0.17721969 06F1-001 q = 06F1-000 1.1519421 06F1-001 AU P = 06F1-000 5.562 06F1-001 years 06F1-000 06F1-001T = 06F1-000 1978 Dec. 25.81140 06F1-001 TT 06F1-000 06F1-001 Epoch = 06F1-000 1979 Jan. 7.0 06F1-001 TT 06F1-000 06F1-001Peri. = 06F1-000 49.39040 06F1-001 e = 06F1-000 0.6429569 06F1-001Node = 06F1-000 154.01438 06F1-001 (2000.0) a = 06F1-000 3.1474039 06F1-001 AU 06F1-000 06F1-001Inc. = 06F1-000 9.93527 06F1-001nß= 06F1-000 0.17651245 06F1-001 q = 06F1-000 1.1237587 06F1-001 AU P = 06F1-000 5.584 06F1-001 years 06F1-000 06F1-001(T = 06F1-000 1984 July 28.59237 06F1-001 TT 06F1-000 06F1-001 Epoch = 06F1-000 1984 Aug. 8.0 06F1-001 TT 06F1-000 06F1-001Peri. = 06F1-000 49.53064 06F1-001 e = 06F1-000 0.6430486 06F1-001Node = 06F1-000 153.94425 06F1-001 (2000.0) a = 06F1-000 3.1471644 06F1-001 AU 06F1-000 06F1-001Inc. = 06F1-000 9.93110 06F1-001nß= 06F1-000 0.17653260 06F1-001 q = 06F1-000 1.1233849 06F1-001 AU P = 06F1-000 5.583 06F1-001 years ) 06F1-000 The predicted orbit for the 1995 return is as follows: 06F1-001T = 06F1-000 1995 July 28.64687 06F1-001 TT 06F1-000 06F1-001 Epoch = 06F1-000 1995 July 22.0 06F1-001 TT 06F1-000 06F1-001Peri. = 06F1-000 61.70144 06F1-001 e = 06F1-000 0.6564085 06F1-001Node = 06F1-000 141.49644 06F1-001 (2000.0) a = 06F1-000 3.1002579 06F1-001 AU 06F1-000 06F1-001Inc. = 06F1-000 9.22475 06F1-001nß= 06F1-000 0.18055409 06F1-001 q = 06F1-000 1.0652223 06F1-001 AU P = 06F1-000 5.459 06F1-001 years 06F1-000 The following residuals in seconds of arc are from the above orbital elements: 06F1-001 07S1-0120 - continued - 06F1-000 06F1-001 07S1-0180P/Tuttle-Giacobini-Kresak NK 572 - 2 06F1-000 07S1-0120 ------------------------------------------------------------------------- 06F1-001Date/ UT R.A. (2000) Decl. *** O-C *** Code/Obs 06F1-000 06F1-001 h m s ¡ , " " " 06F1-000 1973 01 08.37043 07 22 55.95 +00 00 07.2 0.1+ 0.2+ 691/ST 1973 01 08.41609 07 22 52.55 +00 00 12.4 0.3- 0.2- 691/ST 1973 01 29.28750 06 56 04.85 +02 06 24.4 2.9+ 1.2- 691/ST 1973 01 29.33206 06 56 01.15 +02 06 51.8 0.5- 0.5- 691/ST 1973 04 26.20237 07 59 23.06 +22 32 15.8 4.1- 0.6+ 691/ST 1973 04 27.19115 08 02 19.16 +22 41 25.4 ( 5.6- 0.1+) 691/ST 1973 04 27.20017 08 02 20.77 +22 41 30.5 ( 5.4- 0.4+) 691/ST 1973 06 07.16829 10 38 13.40 +23 12 59.1 1.0- 0.7+ 691/ST 1973 06 07.17917 10 38 16.25 +23 12 52.5 0.8- 0.5+ 691/ST 1973 06 13.88646 11 07 52.47 +21 55 13.1 ( 4.9- 5.2-) 056/SP 1973 06 13.89240 11 07 53.66 +21 55 13.9 (10.3- 0.5+) 056/SP 1973 06 19.18854 11 31 24.02 +20 36 29.5 ( 5.5- 6.7-) 688/LO 1973 06 19.21806 11 31 31.78 +20 36 03.0 ( 6.0- 4.0-) 688/LO 1973 06 23.88127 11 52 08.81 +19 14 53.8 0.3- 3.0+ 056/SP 1973 06 23.89306 11 52 12.03 +19 14 38.4 1.4+ 0.9+ 056/SP 1973 07 02.17801 12 28 15.42 +16 26 31.4 1.1+ 1.6+ 691/ST 1973 07 02.20295 12 28 21.76 +16 25 58.6 0.8+ 1.9+ 691/ST 1973 07 03.19792 12 32 37.16 +16 03 58.1 3.3- 1.6- 688/LO 1973 07 03.22222 12 32 43.31 +16 03 25.7 3.8- 1.4- 688/LO 1973 07 06.87708 12 48 13.14 +14 40 15.5 0.3+ 1.6+ 056/SP 1973 07 06.89670 12 48 17.85 +14 39 47.3 2.9- 1.0+ 056/SP 1973 07 06.90260 12 48 19.31 +14 39 39.2 3.2- 1.2+ 056/SP 1973 07 07.86528 12 52 21.57 +14 17 07.0 1.4- 0.9- 056/SP 1973 07 07.87361 12 52 23.80 +14 16 55.9 0.8+ 0.2- 056/SP 1973 07 07.88507 12 52 26.59 +14 16 40.6 0.3- 0.7+ 056/SP 1973 07 07.89653 12 52 29.45 +14 16 22.8 0.4- 0.8- 056/SP 1973 07 07.97358 12 52 48.20 +14 14 36.0 ( 8.9- 1.4+) 993/WL 1973 07 09.88058 13 00 44.57 +13 29 18.3 0.2- 1.9- 056/SP 1973 07 09.89306 13 00 47.61 +13 29 03.7 0.8- 1.5+ 056/SP 1973 07 09.89792 13 00 49.06 +13 28 54.3 2.8+ 0.9- 056/SP 1973 07 09.97678 13 01 08.06 +13 27 00.0 ( 5.6- 1.6-) 993/WL 1973 07 10.86111 13 04 47.26 +13 05 47.3 0.9- 0.2- 056/SP 1973 07 10.86667 13 04 48.92 +13 05 38.3 3.4+ 1.1- 056/SP 1973 07 10.87778 13 04 51.60 +13 05 21.6 2.6+ 1.7- 056/SP 1973 07 10.88542 13 04 53.29 +13 05 09.0 0.1- 3.2- 056/SP 1973 07 10.89331 13 04 55.24 +13 05 01.5 0.2- 0.6+ 046/KL 1973 07 10.89340 13 04 55.28 +13 04 59.9 0.3+ 0.7- 056/SP 1973 07 10.91206 13 05 00.09 +13 04 30.4 3.3+ 3.2- 046/KL 1973 07 22.17361 13 49 46.14 +08 26 03.5 0.9- 3.3- 688/LO 1973 07 22.19861 13 49 52.02 +08 25 23.2 ( 1.8+ 6.0-) 688/LO 1973 07 29.71057 14 17 56.43 +05 19 13.4 3.9+ 1.3- 210/AA 1973 07 30.67646 14 21 26.57 +04 55 38.9 0.2- 1.7- 210/AA 1973 08 01.67042 14 28 36.66 +04 07 26.0 2.5+ 0.6+ 210/AA 1973 08 04.66674 14 39 11.09 +02 56 06.6 ( 5.7- 0.0 ) 210/AA 1973 08 05.67743 14 42 43.14 +02 32 28.8 ( 6.8+ 3.5+) 210/AA 1973 09 18.15625 16 54 22.03 -10 17 34.7 1.9- 4.1+ 688/LO 1973 09 19.14583 16 56 59.91 -10 29 04.8 3.2- 1.0+ 688/LO 1973 09 23.12280 17 07 26.22 -11 12 35.7 (16.8- 2.7-) 691/ST 1973 09 23.16088 17 07 32.23 -11 12 59.3 (15.2- 2.6-) 691/ST 1978 11 08.83715 12 26 49.06 -02 25 50.9 ( 4.4+ 5.9-) 372/sk 06F1-001 07S1-0120 - continued - 06F1-000 06F1-001 07S1-0180P/Tuttle-Giacobini-Kresak NK 572 - 3 06F1-000 07S1-0120 ------------------------------------------------------------------------- 06F1-001Date/ UT R.A. (2000) Decl. *** O-C *** Code/Obs 06F1-000 06F1-001 h m s ¡ , " " " 06F1-000 1978 12 11.84583 14 39 34.36 -11 38 16.7 0.6+ 3.0+ 372/sk 1978 12 11.85799 14 39 37.36 -11 38 31.6 0.6- 1.6- 372/sk 1979 01 04.86458 16 21 46.69 -15 49 23.1 3.6+ 3.7+ 372/sk 1979 01 07.86042 16 34 16.05 -16 07 09.0 2.9- 1.0- 372/sk 1989 11 09.50032 10 43 08.12 +05 21 57.2 0.3- 0.1- 675/PL 1989 11 09.50648 10 43 09.22 +05 21 52.2 0.7- 0.1+ 675/PL 1989 11 09.51264 10 43 10.38 +05 21 47.2 0.1- 0.3+ 675/PL 1989 11 10.48793 10 46 10.49 +05 07 54.5 0.9+ 1.0- 675/PL 1989 11 10.49506 10 46 11.73 +05 07 49.2 0.2- 0.2- 675/PL 1989 11 10.50101 10 46 12.83 +05 07 43.3 0.1- 1.0- 675/PL 1990 01 25.77703 16 06 58.88 -14 01 23.2 ( 0.10+ 0.01-) 897/kj 1990 01 25.78287 16 07 00.38 -14 01 25.8 ( 0.10+ 0.01-) 897/kj ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 1992 Apr. 24 06F