------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1302 1998 May 21 18.54UT 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 J1 (SOHO) Updated orbital elements by Brian Marsden, Central Bureau: T 1998 May 8.3520 TT w 107.64900 ) e 1.00000000 O 355.02100 ) 2000.0 q 0.1501500 A.U. i 68.34600 ) Source: IAUC 6906 Positions are geocentric m = 8.0 + 5.0 log R + 10.0 log r Ephemeris by Guy Hurst using EPH.EXE by Nick James: Date R.A. (2000) Dec. R r Elong Mag. Motion h m o ' (AU) (AU) o "/hr P.A. 1998 May 21.00 5 25.62 +2 52.4 0.853 0.491 28.9 4.6 402 139 22.00 5 32.55 +0 54.2 0.858 0.519 30.9 4.8 387 139 23.00 5 39.18 -1 0.0 0.865 0.547 32.7 5.1 372 139 24.00 5 45.55 -2 49.9 0.873 0.575 34.5 5.3 357 139 25.00 5 51.67 -4 35.6 0.883 0.603 36.3 5.5 343 139 26.00 5 57.57 -6 17.0 0.893 0.630 37.9 5.7 330 139 27.00 6 3.27 -7 54.1 0.905 0.656 39.5 6.0 316 139 28.00 6 8.77 -9 27.1 0.917 0.682 41.0 6.2 304 139 29.00 6 14.11 -10 56.0 0.930 0.708 42.5 6.3 292 138 30.00 6 19.28 -12 21.0 0.944 0.734 43.8 6.5 280 138 31.00 6 24.30 -13 42.3 0.958 0.759 45.2 6.7 269 138 1998 June 1.00 6 29.19 -15 0.0 0.973 0.784 46.4 6.9 258 137 2.00 6 33.94 -16 14.2 0.989 0.808 47.6 7.0 248 137 3.00 6 38.57 -17 25.2 1.004 0.832 48.7 7.2 239 137 4.00 6 43.09 -18 33.1 1.021 0.856 49.8 7.4 230 136 5.00 6 47.49 -19 38.0 1.037 0.880 50.8 7.5 222 136 6.00 6 51.80 -20 40.2 1.055 0.904 51.7 7.7 214 136 7.00 6 56.02 -21 39.7 1.072 0.927 52.7 7.8 206 135 8.00 7 0.14 -22 36.7 1.089 0.950 53.5 8.0 199 135 9.00 7 4.18 -23 31.4 1.107 0.973 54.3 8.1 192 134 10.00 7 8.14 -24 23.9 1.125 0.995 55.1 8.2 186 134 11.00 7 12.02 -25 14.3 1.144 1.018 55.9 8.4 180 133 12.00 7 15.84 -26 2.8 1.162 1.040 56.6 8.5 174 133 13.00 7 19.58 -26 49.4 1.181 1.062 57.2 8.6 169 133 14.00 7 23.26 -27 34.3 1.200 1.084 57.9 8.7 164 132 15.00 7 26.88 -28 17.5 1.218 1.105 58.5 8.9 159 132 16.00 7 30.45 -28 59.2 1.237 1.127 59.0 9.0 155 131 17.00 7 33.96 -29 39.4 1.257 1.148 59.6 9.1 151 131 18.00 7 37.41 -30 18.2 1.276 1.169 60.1 9.2 147 131 19.00 7 40.82 -30 55.8 1.295 1.190 60.6 9.3 143 130 20.00 7 44.17 -31 32.2 1.314 1.211 61.0 9.4 139 130 21.00 7 47.49 -32 7.4 1.334 1.231 61.4 9.5 136 130 22.00 7 50.76 -32 41.5 1.353 1.252 61.9 9.6 133 129 23.00 7 53.98 -33 14.6 1.373 1.272 62.2 9.7 130 129 24.00 7 57.17 -33 46.7 1.393 1.292 62.6 9.8 127 129 25.00 8 0.32 -34 18.0 1.412 1.312 63.0 9.9 124 128 26.00 8 3.44 -34 48.4 1.432 1.332 63.3 10.0 121 128 27.00 8 6.51 -35 17.9 1.452 1.352 63.6 10.1 119 128 28.00 8 9.56 -35 46.7 1.471 1.372 63.9 10.2 116 128 29.00 8 12.57 -36 14.8 1.491 1.391 64.2 10.3 114 127 30.00 8 15.55 -36 42.2 1.511 1.411 64.4 10.4 112 127 Guy M Hurst