------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1411 1999 May 23 13.47UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK GMH at AST.STAR.RL.AC.UK WORLD WIDE WEB http://www.demon.co.uk/astronomer ------------------------------------------------------------------- COMET C/1999 J3 (LINEAR) An apparently asteroidal object discovered by LINEAR, and noted on The NEO Confirmation Page, has been reported as cometary by Klet observers. The following CCD observations are available: 1999 UT R.A. (2000) Decl. m1 Observer May 12.28325 15 49 41.93 +72 55 22.2 18.8 Blythe 12.29285 15 49 38.33 +72 55 41.2 18.6 " 12.31163 15 49 32.55 +72 56 11.7 18.7 " 12.32404 15 49 28.92 +72 56 34.3 18.7 " M. Blythe, F. Shelly, M. Bezpalko, and M. Elowitz (Socorro). 1-m f/2.15 LINEAR telescope. IAUC 7166 (extract) Orbital elements by Dan Green: T 1999 Sept 23.6750 TT w 154.74900 ) e 1.00000000 O 230.48700 ) 2000.0 q 1.1476800 A.U. i 102.37000 ) Source: IAUC 7168 Positions are geocentric Ephemeris by G.Hurst using EPH.EXE by Nick James: m = 12.0 + 5.0 log R + 10.0 log r Date R.A. (2000) Dec. R r Elong Mag. Motion h m o ' (AU) (AU) o "/hr P.A. 1999 May 22.00 14 42.01 +76 45.8 2.071 2.181 82.4 17.0 86 300 24.00 14 23.99 +77 17.5 2.071 2.158 81.0 16.9 85 295 26.00 14 4.83 +77 42.6 2.072 2.136 79.6 16.9 83 289 28.00 13 44.80 +78 1.1 2.073 2.113 78.2 16.8 81 284 30.00 13 24.27 +78 12.7 2.074 2.090 76.8 16.8 80 278 1999 June 1.00 13 3.66 +78 17.6 2.075 2.068 75.4 16.7 78 272 3.00 12 43.39 +78 15.9 2.077 2.045 74.0 16.7 76 266 5.00 12 23.86 +78 8.2 2.079 2.023 72.6 16.6 75 260 7.00 12 5.36 +77 54.9 2.081 2.000 71.2 16.6 73 254 9.00 11 48.11 +77 36.9 2.082 1.978 69.9 16.6 71 249 11.00 11 32.24 +77 14.7 2.084 1.955 68.5 16.5 70 245 13.00 11 17.78 +76 49.0 2.086 1.933 67.2 16.5 68 240 15.00 11 4.70 +76 20.5 2.087 1.911 65.8 16.4 66 236 17.00 10 52.93 +75 49.7 2.088 1.889 64.5 16.4 65 232 19.00 10 42.38 +75 17.2 2.089 1.866 63.2 16.3 63 229 21.00 10 32.93 +74 43.3 2.089 1.844 62.0 16.3 62 226 23.00 10 24.48 +74 8.5 2.089 1.822 60.7 16.2 60 223 25.00 10 16.92 +73 32.9 2.089 1.800 59.5 16.2 59 220 27.00 10 10.15 +72 56.9 2.088 1.779 58.3 16.1 57 218 29.00 10 4.08 +72 20.7 2.086 1.757 57.2 16.0 56 216 Guy M Hurst