Circular No. 3948 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. TWX 710-320-6842 ASTROGRAM CAM Telephone 617-495-7244/7440/7444 1984 KB Precise positions measured by C. Shoemaker from exposures by E. Shoemaker and herself with the Palomar 0.46-m Schmidt telescope: 1984 UT R.A. (1950.0) Decl. Mag. May 27.44930 17 58 12.20 +15 27 01.7 13.5 29.44588 17 39 06.75 +11 16 37.7 30.36875 17 31 56.10 + 9 38 16.7 The object appears to be of Apollo type. The following orbital elements are somewhat uncertain, but the ephemeris will perhaps serve to locate the object: T = 1984 Apr. 4.91 ET Peri. = 337.69 e = 0.8191 Node = 167.56 1950.0 a = 2.7912 AU Incl. = 4.92 n = 0.21136 q = 0.5048 AU P = 4.66 years 1984 ET R.A. (1950.0) Decl. p r Mag. May 20 20 34.72 +38 10.5 0.104 1.019 13.5 22 19 33.61 +31 46.6 24 18 48.52 +25 03.3 0.122 1.077 13.4 26 18 16.07 +19 06.4 28 17 52.41 +14 12.7 0.157 1.135 13.6 30 17 34.71 +10 16.8 June 1 17 21.12 + 7 07.0 0.202 1.191 14.0 3 17 10.45 + 4 32.9 5 17 01.91 + 2 25.8 0.252 1.248 14.5 7 16 54.96 + 0 39.5 9 16 49.25 - 0 50.7 0.306 1.303 14.9 11 16 44.52 - 2 08.4 13 16 40.57 - 3 16.0 0.362 1.357 15.3 COMET SHOEMAKER (1984f) The following precise position has been obtained by D. D. Balam at the University of Victoria: 1984 UT R.A. (1950.0) Decl. May 31.34406 16 32 21.45 +13 42 00.7 1984 June 1 (3948) Brian G. Marsden
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