------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1352 1998 Oct 28 09.01UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK GMH at AST.STAR.RL.AC.UK WORLD WIDE WEB http://www.demon.co.uk/astronomer ------------------------------------------------------------------- COMET C/1998 U3 (JAGER) The comet reported on E1351 has been designated as above. The Central Bureau report that ninety-one precise positions have appeared on MPEC 1998-U26, spanning Oct. 24-27, and yield the following preliminary parabolic orbital elements. This comet is likely of short period. T 1998 Dec 9.9190 TT w 138.25200 ) e 1.00000000 O 313.19400 ) 2000.0 q 2.6663100 A.U. i 17.84200 ) Source: IAUC 7040 Positions are geocentric Ephemeris by Guy Hurst using EPH.EXE by Nick James: m = 6.5 + 5.0 log R + 10.0 log r Date R.A. (2000) Dec. R r Elong Mag. Motion h m o ' (AU) (AU) o "/hr P.A. 1998 Oct 28.00 6 47.14 +41 34.6 2.147 2.704 113.7 12.5 26 87 29.00 6 48.03 +41 35.0 2.135 2.703 114.5 12.5 25 88 30.00 6 48.90 +41 35.4 2.123 2.701 115.3 12.5 24 88 31.00 6 49.75 +41 35.7 2.112 2.699 116.1 12.4 23 88 1998 Nov 1.00 6 50.56 +41 36.0 2.100 2.698 116.8 12.4 22 88 2.00 6 51.35 +41 36.2 2.089 2.696 117.6 12.4 22 89 3.00 6 52.10 +41 36.3 2.077 2.694 118.4 12.4 21 89 4.00 6 52.83 +41 36.5 2.066 2.693 119.2 12.4 20 89 5.00 6 53.54 +41 36.5 2.055 2.692 120.0 12.4 19 90 6.00 6 54.21 +41 36.5 2.044 2.690 120.8 12.4 18 90 7.00 6 54.85 +41 36.5 2.033 2.689 121.6 12.3 18 91 8.00 6 55.46 +41 36.4 2.023 2.687 122.4 12.3 17 91 9.00 6 56.04 +41 36.2 2.012 2.686 123.3 12.3 16 92 10.00 6 56.60 +41 36.0 2.001 2.685 124.1 12.3 15 92 11.00 6 57.12 +41 35.7 1.991 2.684 124.9 12.3 14 93 12.00 6 57.61 +41 35.3 1.981 2.682 125.7 12.3 13 94 13.00 6 58.07 +41 34.9 1.971 2.681 126.6 12.3 13 95 14.00 6 58.50 +41 34.4 1.961 2.680 127.4 12.2 12 96 15.00 6 58.89 +41 33.8 1.951 2.679 128.3 12.2 11 98 16.00 6 59.26 +41 33.2 1.942 2.678 129.1 12.2 10 100 17.00 6 59.59 +41 32.5 1.932 2.677 130.0 12.2 9 102 18.00 6 59.89 +41 31.7 1.923 2.676 130.9 12.2 8 105 19.00 7 0.16 +41 30.8 1.914 2.675 131.7 12.2 8 108 20.00 7 0.40 +41 29.8 1.905 2.675 132.6 12.2 7 112 21.00 7 0.61 +41 28.7 1.896 2.674 133.5 12.2 6 117 22.00 7 0.79 +41 27.6 1.888 2.673 134.3 12.2 5 123 23.00 7 0.93 +41 26.3 1.879 2.672 135.2 12.1 5 131 24.00 7 1.05 +41 25.0 1.871 2.672 136.1 12.1 4 141 25.00 7 1.13 +41 23.5 1.863 2.671 137.0 12.1 4 153 26.00 7 1.18 +41 22.0 1.855 2.670 137.9 12.1 4 165 27.00 7 1.20 +41 20.3 1.847 2.670 138.8 12.1 4 177 28.00 7 1.19 +41 18.5 1.840 2.669 139.7 12.1 5 187 29.00 7 1.16 +41 16.6 1.832 2.669 140.6 12.1 5 196 30.00 7 1.09 +41 14.6 1.825 2.668 141.5 12.1 6 203 Guy M Hurst