OAA computing section circular NK 583 07S1-0180Periodic Comet Mueller 4 (1992g)07S1-0120

The following improved orbital elements,06F1-001 by S. Nakano,06F1-000 are from 31 observations 1992 Apr. 12 to July 2. Perturbations by all nine planets and five minor planets were taken into account. The mean residual is +/- 0.87 arc second. 06F1-001 Epoch =06F1-000 1992 Feb. 28.006F1-001 TT06F1-000 06F1-001 T =06F1-000 1992 Feb. 16.35657 +/- 0.1165906F1-001 (m.e.) TT 06F1-000 06F1-001 Peri. =06F1-000 43.59258 +/- 0.03426 06F1-001 Node =06F1-000 145.42548 +/- 0.0192006F1-001 (2000.0) 06F1-000 06F1-001 Inc. =06F1-000 29.80142 +/- 0.00996 06F1-001 q =06F1-000 2.6369508 +/- 0.000256206F1-001 AU06F1-000 06F1-001 e =06F1-000 0.3893149 +/- 0.0000353 06F1-001 a =06F1-000 4.3180204 +/- 0.000337006F1-001 AU06F1-000 06F1-001 nß =06F1-000 0.10984418 +/- 0.00001285 06F1-001 P =06F1-000 8.973 +/- 0.001050606F1-001 years06F1-000 (+/- 0.3806F1-001 day06F1-000) The predicted orbit for the 2001 return is as follows: 06F1-001T =06F1-000 2001 Feb. 7.8569006F1-001 TT 06F1-00006F1-001 Epoch =06F1-000 2001 Feb. 20.006F1-001 TT06F1-000 06F1-001Peri. =06F1-000 43.67485 06F1-001 e =06F1-000 0.3885107 06F1-001Node =06F1-000 145.3654506F1-001 (2000.0) a =06F1-000 4.328710806F1-001 AU06F1-000 06F1-001Inc. =06F1-000 29.74749 06F1-001nß=06F1-000 0.10943751 06F1-001 q =06F1-000 2.646960206F1-001 AU P =06F1-000 9.00606F1-001 years06F1-000 The following residuals in seconds of arc are from the above orbital elements: 06F1-001Date/ UT R.A. (2000) Decl. *** O-C *** Code/Obs06F1-000 06F1-001 h m s ¡ , " " " 06F1-000 1992 04 09.37708 14 13 05.80 +27 51 19.8 ( 2.2+ 5.9+) 675/PL 1992 04 11.40556 14 12 05.10 +28 11 20.0 ( 1.2+ 5.7+) 675/PL 1992 04 12.66736 14 11 26.19 +28 23 04.6 0.0 1.1+ 413/SS 1992 04 14.77882 14 10 19.52 +28 41 24.5 0.3+ 1.3+ 372/sk 1992 04 14.79063 14 10 19.15 +28 41 28.6 0.6+ 0.4- 372/sk 1992 04 20.52257 14 07 11.99 +29 23 21.6 1.0- 0.7+ 372/sk 1992 04 20.54167 14 07 11.45 +29 23 26.5 0.6+ 1.7- 372/sk 1992 04 22.56076 14 06 04.23 +29 35 20.0 1.0- 2.0+ 372/sk 1992 04 25.85173 14 04 15.54 +29 51 14.5 0.9- 0.5- 589/SK 1992 04 25.85868 14 04 15.43 +29 51 15.4 0.7+ 1.4- 589/SK 1992 04 25.86667 14 04 15.10 +29 51 18.5 0.0 0.4- 589/SK 1992 04 25.87917 14 04 14.70 +29 51 21.1 0.4+ 1.0- 589/SK 1992 04 25.89097 14 04 14.31 +29 51 25.5 0.6+ 0.4+ 589/SK 1992 04 29.21073 14 02 26.85 +30 03 17.3 0.0 0.2+ 801/HO 1992 04 29.23135 14 02 26.19 +30 03 21.2 0.4+ 0.5+ 801/HO 1992 05 03.55903 14 00 13.15 +30 12 29.5 1.7- 0.3- 372/sk 1992 05 03.88472 14 00 03.76 +30 12 52.7 1.0+ 0.5- 589/SK 1992 05 03.89722 14 00 03.20 +30 12 53.5 1.3- 0.6- 589/SK 1992 05 03.90556 14 00 03.07 +30 12 54.4 0.4+ 0.3- 589/SK 1992 05 03.91736 14 00 02.77 +30 12 55.4 1.2+ 0.2- 589/SK 06F1-00107S1-0120 - continued -06F1-000 06F1-00107S1-0180Periodic Comet Mueller 4 (1992g) NK 583 - 206F1-00007S1-0120 ------------------------------------------------------------------------- 06F1-001Date/ UT R.A. (2000) Decl. *** O-C *** Code/Obs06F1-000 06F1-001 h m s ¡ , " " " 06F1-000 1992 05 03.92431 14 00 02.51 +30 12 56.2 0.7+ 0.2+ 589/SK 1992 05 06.18443 13 58 57.78 +30 14 37.8 0.5+ 1.0+ 801/HO 1992 05 06.20084 13 58 57.32 +30 14 36.9 0.8+ 0.2- 801/HO 1992 05 10.74375 13 56 58.70 +30 12 23.3 1.2- 0.0 372/sk 1992 05 24.59792 13 53 01.27 +29 24 02.3 ( 3.1+ 2.7+) 372/sk 1992 05 25.56389 13 52 52.19 +29 18 29.1 ( 2.6- 2.6-) 372/sk 1992 05 26.58125 13 52 44.31 +29 12 29.3 1.0- 0.9- 372/sk 1992 06 01.52222 13 52 22.87 +28 32 09.9 1.5- 2.1- 372/sk 1992 06 03.09443 13 52 24.60 +28 20 11.0 0.3+ 1.7+ 801/HO 1992 06 03.11769 13 52 24.64 +28 19 59.7 0.7+ 1.4+ 801/HO 1992 06 03.50694 13 52 25.44 +28 16 55.2 1.1- 0.0 372/sk 1992 06 29.07836 13 59 59.55 +24 01 07.9 0.5+ 0.0 801/HO 1992 06 29.09362 14 00 00.03 +24 00 57.4 0.6+ 0.2+ 801/HO 1992 07 02.08222 14 01 40.39 +23 25 59.0 0.0 0.1+ 801/HO 1992 07 02.09593 14 01 40.92 +23 25 49.2 0.8+ 0.1+ 801/HO ( ) -------- Rejected Obs.

Director, Computing Section Syuichi Nakano 1992 Sept. 506F

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