Circular No. 2891 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Cable Address: SATELLITES, NEWYORK Western Union: RAPID SATELLITE CAMBMASS FAST-MOVING OBJECT WROBLEWSKI C. Torres, Department of Astronomy, University of Chile, provides the following precise positions of an object discovered by H. Wroblewski on plates taken at the Cerro El Roble station: 1975 UT R. A. (1950) Decl. mpg Dec. 5.25000 6 29 52.12 - 6 46 04.0 12 5.26388 6 29 49.80 - 6 46 45.4 7.28613 6 24 26.83 - 8 48 11.8 12 7.30002 6 24 24.70 - 8 48 57.0 COMET BRADFIELD (1975p) The following improved parabolic elements, by the undersigned, are from 18 observations Nov. 13 to Dec. 3: T = 1975 Dec. 21.1815 ET Peri. = 358.0945 Node = 270.6102 1950.0 q = 0.218740 AU Incl. = 70.6248 1976 ET R. A. (1950) Decl. Delta r m1 Jan. 3 19 14.93 + 2 10.0 1.098 0.479 6.5 8 19 46.03 +10 23.4 13 20 18.50 +17 49.8 1.078 0.729 8.3 18 20 52.16 +24 21.1 23 21 26.44 +29 49.6 1.154 0.957 9.6 28 22 00.57 +34 13.8 Feb. 2 22 33.77 +37 38.0 1.304 1.167 10.7 7 23 05.37 +40 10.8 12 23 34.92 +42 02.2 1.505 1.364 11.7 17 0 02.23 +43 21.5 22 0 27.28 +44 16.9 1.734 1.550 12.6 27 0 50.20 +44 55.0 Mar. 3 1 11.17 +45 20.6 1.981 1.727 13.4 13 1 48.10 +45 48.2 23 2 19.70 +45 58.2 2.488 2.059 14.6 Apr. 2 2 47.30 +46 00.1 12 3 11.85 +45 58.9 2.980 2.370 15.6 22 3 34.04 +45 56.6 May 2 3 54.36 +45 54.5 3.427 2.663 16.4 1975 December 29 (2891) Brian G. Marsden
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