------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1042 1996 Feb 04 11.11UT 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) The comet announced on E1041 has been re-designated as above. Brian Marsden, Central Bureau has derived the following orbital elements from 33 measures submitted to CBAT and obtained 1996 Jan 31-Feb 3: T = 1996 May 2.769 TT Peri. = 131.202 Node = 188.943 2000.0 q = 0.22432 AU Incl. = 122.639 (IAUC 6303 extract) Ephemeris by G.Hurst using EPH.EXE by Nick 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 Feb 2.00 14 33.06 -24 56.3 1.788 2.022 88.7 9.8 27 91 3.00 14 33.85 -24 56.4 1.755 2.006 89.5 9.7 27 90 4.00 14 34.63 -24 56.3 1.722 1.990 90.3 9.7 27 89 5.00 14 35.41 -24 56.0 1.689 1.973 91.2 9.6 26 88 6.00 14 36.18 -24 55.5 1.656 1.957 92.0 9.5 26 87 7.00 14 36.94 -24 54.9 1.623 1.941 92.9 9.4 26 86 8.00 14 37.70 -24 53.9 1.590 1.924 93.7 9.3 26 84 9.00 14 38.44 -24 52.8 1.556 1.908 94.5 9.3 25 83 10.00 14 39.18 -24 51.4 1.523 1.891 95.4 9.2 25 81 11.00 14 39.91 -24 49.7 1.490 1.874 96.2 9.1 25 80 12.00 14 40.63 -24 47.7 1.456 1.858 97.1 9.0 25 78 13.00 14 41.34 -24 45.5 1.423 1.841 98.0 8.9 25 76 14.00 14 42.04 -24 42.9 1.390 1.824 98.8 8.8 25 74 15.00 14 42.73 -24 39.9 1.356 1.807 99.7 8.7 25 72 16.00 14 43.40 -24 36.6 1.323 1.790 100.6 8.6 25 69 17.00 14 44.07 -24 32.9 1.289 1.773 101.4 8.5 25 67 18.00 14 44.73 -24 28.7 1.256 1.756 102.3 8.4 25 64 19.00 14 45.37 -24 24.1 1.222 1.739 103.2 8.3 25 61 20.00 14 46.00 -24 18.9 1.189 1.722 104.1 8.2 25 58 21.00 14 46.61 -24 13.3 1.156 1.704 105.0 8.1 26 55 22.00 14 47.21 -24 7.0 1.122 1.687 105.9 8.0 26 51 23.00 14 47.80 -24 0.1 1.089 1.669 106.8 7.9 27 48 24.00 14 48.37 -23 52.5 1.055 1.652 107.7 7.8 28 44 25.00 14 48.92 -23 44.1 1.022 1.634 108.7 7.7 29 41 26.00 14 49.46 -23 34.9 0.988 1.617 109.6 7.6 30 37 27.00 14 49.98 -23 24.8 0.955 1.599 110.5 7.4 32 34 28.00 14 50.48 -23 13.6 0.922 1.581 111.5 7.3 34 30 29.00 14 50.96 -23 1.4 0.888 1.563 112.4 7.2 36 27 1996 Mar 1.00 14 51.43 -22 47.9 0.855 1.545 113.4 7.0 39 24 2.00 14 51.86 -22 33.0 0.822 1.527 114.4 6.9 42 21 3.00 14 52.28 -22 16.6 0.789 1.508 115.4 6.8 45 18 4.00 14 52.67 -21 58.4 0.755 1.490 116.4 6.6 49 16 5.00 14 53.04 -21 38.3 0.722 1.472 117.4 6.5 54 13 6.00 14 53.37 -21 15.9 0.689 1.453 118.5 6.3 60 11 7.00 14 53.68 -20 51.0 0.656 1.435 119.6 6.2 66 9 8.00 14 53.95 -20 23.1 0.623 1.416 120.6 6.0 74 7 9.00 14 54.18 -19 51.8 0.590 1.397 121.8 5.8 83 5 Guy M Hurst