THE ASTRONOMER Electronic Circular No 31 1987 Jun 16 05.50UT. Telecom Gold 72:MAG60138 Ed:Guy M Hurst, 16, Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP, England. Telephone:(0256)471074.Int:+44256471074 Telex:265871(MONREF G) Quote"72:MAG60138 ATT G.HURST"in FIRST line. ------------------------------------------------------------------- P/Comet Klemola (1987i) ----------------------- Recent estimates: May 30.45UT, 13.9 (A.Hale, Las Cruces); June 1.83, 13.3 (A.Pearce, W.Australia); 5.44, 13.7 (Hale). Ephemeris: 1987ET RA (1950) DEC Earth Sun m1 June 14 22h47.2 +03 26 1.384 1.817 13.3 24 23 06.1 +05 00 July 4 23 23.8 +06 19 1.203 1.783 12.9 14 23 40.1 +07 16 24 23 54.7 +07 48 1.053 1.773 12.6 (IAUC 4407) 1981 FD ------- This asteroid in 2:1 resonance with Jupiter has been recovered by Gilmore and Kilmartin on May 7, and confirmed by Rob McNaught on May 30, at mag 19. Elements based on linkage with discovery apparition in 1981: T = 1986 Nov 21.9294ET Epoch = 1986 Nov 26.0 ET Peri= 138.1772 e = 0.476586 Node= 19.4416 a = 3.230071 AU Incl= 2.5510 n = 0.1697798 q = 1.690665AU P = 5.805 yrs. (IAUC 4409) Guy M Hurst