------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1193 1997 May 10 12.37UT 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/1997 J2 Parabolic orbital elements for the comet, as yet unnamed, whose discovery was reported on E1191. These are based on 20 observations for the period May 5-9: T 1996 Aug 12.0320 TT w 14.46200 ) e 1.00000000 O 161.02100 ) 2000.0 q 3.7585700 A.U. i 99.11200 ) Source: IAUC 6652 Positions are geocentric Ephemeris by G.Hurst using EPH.EXE by N.James: m = 3.0 + 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. 1997 May 7.00 10 54.96 +73 55.3 4.462 4.429 81.6 12.7 11 239 12.00 10 51.18 +73 42.6 4.532 4.451 79.0 12.8 10 223 17.00 10 48.71 +73 27.7 4.600 4.474 76.6 12.8 9 207 22.00 10 47.47 +73 11.2 4.666 4.497 74.2 12.9 9 190 27.00 10 47.37 +72 53.6 4.730 4.520 72.0 12.9 9 174 1997 June 1.00 10 48.32 +72 35.3 4.791 4.544 69.9 13.0 10 161 6.00 10 50.25 +72 16.5 4.850 4.568 68.0 13.0 11 150 11.00 10 53.05 +71 57.6 4.906 4.592 66.3 13.1 12 142 16.00 10 56.66 +71 38.8 4.959 4.616 64.7 13.1 13 135 21.00 11 1.00 +71 20.2 5.009 4.641 63.3 13.2 14 129 26.00 11 5.99 +71 2.0 5.055 4.666 62.0 13.2 16 125 1997 July 1.00 11 11.59 +70 44.2 5.099 4.690 61.0 13.3 17 121 6.00 11 17.74 +70 26.9 5.139 4.716 60.1 13.3 18 118 11.00 11 24.41 +70 10.2 5.176 4.741 59.5 13.3 19 115 16.00 11 31.55 +69 54.2 5.209 4.766 59.0 13.4 21 112 21.00 11 39.13 +69 38.8 5.239 4.792 58.8 13.4 22 110 26.00 11 47.11 +69 24.1 5.266 4.818 58.7 13.4 23 108 31.00 11 55.48 +69 10.1 5.290 4.844 58.9 13.5 24 107 Guy M Hurst