Circular No. 3836 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 617-864-5758 1983 LC The following semi-accurate position was obtained by J. Gibson with the Palomar 1.2-m Schmidt telescope. Five available observations, including the two semi-accurate ones on IAUC 3834 and the accurate ones on IAUC 3828, produce the following orbital elements and ephemeris, by the undersigned (residuals < 5"). From July 11 to Aug. 3, 1983 LC will be < 33 degrees in elongation from the sun. 1983 UT R.A. (1950.0) Decl. July 1.2007 14 13 03.6 +05 36 21 T = 1983 Aug. 18.531 ET Peri. = 189.755 e = 0.54557 Node = 153.480 1950.0 a = 1.78278 AU Incl. = 1.264 n = 0.414055 q = 0.81015 AU P = 2.38 years 1983 ET R.A. (1950.0) Decl. p r m1 July 5 12 44.63 +17 17.2 0.052 1.011 15.8 6 12 14.64 +20 31.3 7 11 42.72 +23 28.8 0.051 0.996 16.1 8 11 09.98 +25 58.6 9 10 37.68 +27 54.2 0.054 0.981 16.6 10 10 07.00 +29 14.9 11 9 38.81 +30 04.3 0.060 0.967 17.2 Aug. 3 6 30.68 +24 33.6 0.219 0.839 19.5 13 6 29.50 +23 14.2 23 6 39.85 +22 21.4 0.397 0.813 20.0 Sept. 2 6 56.51 +21 35.9 12 7 15.89 +20 48.4 0.563 0.879 20.4 22 7 35.51 +19 56.5 NOTICE TO SUBSCRIBERS Beginning with IAUC 3837, the regular (invoiced) and special (not invoiced) subscription rates to these Circulars will be increased to 60c and 36c, respectively. Normal payments for special subscribers will be S18.00 for 50 issues or S36.00 for 100 issues. Back issues can be purchased at the regular price of 60c. 1983 July 5 (3836) Daniel W. E. Green
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