Circular No. 4897 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Telephone 617-495-7244/7440/7444 (for emergency use only) TWX 710-320-6842 ASTROGRAM CAM EASYLINK 62794505 MARSDEN or GREEN@CFA.BITNET MARSDEN or GREEN@CFAPS2.SPAN 1989 UQ Additional positions reported by A. C. Gilmore and P. M. Kilmartin, Mount John University Observatory: 1989 UT R.A. (1950) Decl. Mag. Nov. 4.51572 0 50 32.59 - 1 16 48.0 17.6 4.52671 0 50 29.58 - 1 17 08.9 Improved orbital elements by B. G. Marsden, Center for Astrophysics, from 9 observations, Oct. 26-Nov. 4: T = 1990 Mar. 8.656 ET Peri. = 14.891 e = 0.26643 Node = 178.086 1950.0 q = 0.67134 AU Incl. = 1.288 a = 0.91518 AU n = 1.125763 P = 0.88 years 1989 ET R.A. (1950) Decl. Delta r V Nov. 6 0 44.23 - 2 02.1 0.150 1.119 16.8 8 0 36.11 - 2 58.5 10 0 28.52 - 3 50.4 0.155 1.109 17.0 12 0 21.47 - 4 37.8 14 0 14.96 - 5 20.6 0.161 1.099 17.2 16 0 09.00 - 5 59.0 18 0 03.57 - 6 33.2 0.167 1.089 17.5 20 23 58.65 - 7 03.5 22 23 54.22 - 7 30.1 0.175 1.077 17.7 24 23 50.24 - 7 53.3 26 23 46.70 - 8 13.4 0.182 1.064 17.9 28 23 43.55 - 8 30.7 30 23 40.77 - 8 45.5 0.189 1.051 18.1 Dec. 2 23 38.31 - 8 58.1 4 23 36.14 - 9 08.8 0.196 1.036 18.3 6 23 34.22 - 9 17.9 8 23 32.51 - 9 25.7 0.202 1.021 18.4 10 23 30.98 - 9 32.4 12 23 29.58 - 9 38.3 0.207 1.005 18.6 14 23 28.28 - 9 43.7 16 23 27.05 - 9 48.6 0.211 0.989 18.8 18 23 25.85 - 9 53.4 20 23 24.66 - 9 58.1 0.215 0.972 18.9 1989 November 7 (4897) Daniel W. E. Green
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