------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1065 1996 Apr 02 19.35UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England. Telephone/FAX(0256)471074 Int:+44256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK GMH at AST.STAR.RL.AC.UK WORLD WIDE WEB http://www.demon.co.uk/astronomer ------------------------------------------------------------------- COMET C/1996 B2 (HYAKUTAKE) Improved orbital elements from MPC 26879 by Brian Marsden refine the comet's "original" and "future" barycentric P to about 8000 and 14 000 years, respectively: Epoch = 1996 Apr. 27.0 TT T = 1996 May 1.3965 TT Peri. = 130.2102 e = 0.999662 Node = 188.0430 2000.0 q = 0.230035 AU Incl. = 124.9098 Extended ephemeris by G.Hurst using EPH.EXE by N.James: m = 5.5 + 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. 1996 Apr 1.00 3 13.71 +54 53.6 0.243 0.898 58.8 2.0 500 187 2.00 3 11.48 +51 58.3 0.273 0.875 55.7 2.1 398 186 3.00 3 9.80 +49 37.0 0.304 0.853 53.1 2.2 324 187 4.00 3 8.45 +47 40.6 0.335 0.830 50.9 2.3 270 187 5.00 3 7.28 +46 2.9 0.367 0.808 48.8 2.4 229 187 6.00 3 6.24 +44 39.4 0.398 0.785 46.9 2.4 197 188 7.00 3 5.27 +43 26.9 0.430 0.761 45.1 2.5 173 189 8.00 3 4.34 +42 22.9 0.462 0.738 43.5 2.5 154 190 9.00 3 3.42 +41 25.7 0.494 0.714 41.9 2.5 139 191 10.00 3 2.50 +40 33.8 0.526 0.691 40.3 2.5 127 192 11.00 3 1.56 +39 46.2 0.558 0.667 38.8 2.5 118 193 12.00 3 0.60 +39 1.8 0.591 0.642 37.4 2.4 112 195 13.00 2 59.59 +38 20.0 0.623 0.618 35.9 2.4 107 196 14.00 2 58.54 +37 40.1 0.656 0.593 34.5 2.3 103 198 15.00 2 57.43 +37 1.5 0.689 0.569 33.1 2.2 101 200 16.00 2 56.26 +36 23.7 0.721 0.544 31.7 2.1 101 201 17.00 2 55.01 +35 46.3 0.754 0.518 30.3 2.0 101 203 18.00 2 53.68 +35 8.8 0.787 0.493 28.8 1.9 103 204 19.00 2 52.26 +34 30.7 0.820 0.468 27.4 1.8 106 205 20.00 2 50.75 +33 51.5 0.853 0.443 25.9 1.6 111 206 21.00 2 49.13 +33 10.8 0.886 0.417 24.5 1.4 116 207 22.00 2 47.40 +32 28.0 0.920 0.392 23.0 1.3 123 207 23.00 2 45.56 +31 42.5 0.953 0.367 21.4 1.0 132 207 24.00 2 43.59 +30 53.5 0.986 0.343 19.8 0.8 143 207 25.00 2 41.51 +30 0.4 1.018 0.320 18.2 0.6 155 207 26.00 2 39.31 +29 2.1 1.050 0.298 16.5 0.3 169 206 27.00 2 37.00 +27 58.0 1.082 0.277 14.7 0.1 185 205 28.00 2 34.64 +26 47.0 1.112 0.260 12.9 -0.1 202 203 29.00 2 32.25 +25 28.6 1.140 0.245 11.1 -0.3 220 201 30.00 2 29.93 +24 2.7 1.166 0.235 9.2 -0.4 236 199 Guy M Hurst