------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1841 2003 Jan 07 15.55UT 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.theastronomer.org ------------------------------------------------------------------- COMET C/2002 Y1 (JUELS-HOLVORCEM) Revised orbital elements for this comet, replacing those on TA E- Circular 1839, have now been published on M.P.E.C. 2003-A42. This has led to a significant change in the ephemeris. T 2003 Apr 13.0940 TT w 128.71500 ) e 1.00000000 O 166.26200 ) 2000.0 q 0.7140700 A.U. i 103.85100 ) Source: MPEC 2003-A42 Positions are geocentric m = 9.5 + 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. 2003 Jan 7.00 13 44.14 +21 13.9 1.561 1.855 90.7 13.2 116 45 8.00 13 46.52 +21 47.5 1.535 1.841 91.3 13.1 120 44 9.00 13 48.96 +22 22.4 1.508 1.827 91.9 13.0 123 44 10.00 13 51.47 +22 58.7 1.482 1.813 92.4 12.9 127 44 11.00 13 54.06 +23 36.3 1.456 1.799 93.0 12.9 131 43 12.00 13 56.72 +24 15.4 1.430 1.785 93.5 12.8 136 43 13.00 13 59.47 +24 55.9 1.404 1.771 94.1 12.7 140 43 14.00 14 2.31 +25 38.0 1.379 1.756 94.6 12.6 145 42 15.00 14 5.24 +26 21.6 1.355 1.742 95.0 12.6 149 42 16.00 14 8.28 +27 6.9 1.330 1.728 95.5 12.5 154 42 17.00 14 11.43 +27 53.8 1.306 1.714 95.9 12.4 159 42 18.00 14 14.69 +28 42.3 1.282 1.700 96.3 12.3 165 42 19.00 14 18.09 +29 32.6 1.259 1.686 96.7 12.3 170 41 20.00 14 21.62 +30 24.7 1.236 1.671 97.0 12.2 176 41 21.00 14 25.29 +31 18.6 1.214 1.657 97.3 12.1 182 41 22.00 14 29.13 +32 14.2 1.192 1.643 97.6 12.0 188 41 23.00 14 33.14 +33 11.7 1.171 1.629 97.8 12.0 194 41 24.00 14 37.34 +34 11.0 1.150 1.614 98.0 11.9 201 42 25.00 14 41.74 +35 12.0 1.130 1.600 98.1 11.8 207 42 26.00 14 46.36 +36 14.9 1.110 1.586 98.2 11.7 214 42 27.00 14 51.21 +37 19.4 1.091 1.571 98.2 11.7 220 42 28.00 14 56.32 +38 25.7 1.073 1.557 98.2 11.6 227 43 29.00 15 1.71 +39 33.5 1.056 1.543 98.2 11.5 234 43 30.00 15 7.41 +40 42.7 1.039 1.528 98.0 11.4 241 44 31.00 15 13.43 +41 53.3 1.023 1.514 97.8 11.4 248 44 2003 Feb 1.00 15 19.80 +43 5.0 1.008 1.499 97.6 11.3 254 45 2.00 15 26.57 +44 17.7 0.993 1.485 97.3 11.2 261 46 3.00 15 33.75 +45 31.0 0.980 1.471 96.9 11.1 267 47 4.00 15 41.38 +46 44.8 0.967 1.456 96.5 11.1 273 48 5.00 15 49.51 +47 58.5 0.955 1.442 95.9 11.0 279 49 6.00 15 58.16 +49 12.0 0.944 1.428 95.4 10.9 285 50 7.00 16 7.38 +50 24.7 0.934 1.413 94.7 10.9 290 51 8.00 16 17.19 +51 36.2 0.925 1.399 94.0 10.8 294 53 9.00 16 27.64 +52 45.9 0.918 1.384 93.2 10.7 298 55 10.00 16 38.76 +53 53.4 0.911 1.370 92.4 10.7 302 57 11.00 16 50.56 +54 57.9 0.905 1.356 91.4 10.6 305 59 12.00 17 3.06 +55 58.9 0.900 1.341 90.5 10.5 307 61 13.00 17 16.26 +56 55.7 0.896 1.327 89.4 10.5 309 64 14.00 17 30.14 +57 47.7 0.894 1.312 88.4 10.4 309 66 15.00 17 44.67 +58 34.4 0.892 1.298 87.2 10.4 310 69 16.00 17 59.77 +59 15.0 0.891 1.284 86.0 10.3 309 72 17.00 18 15.38 +59 49.3 0.892 1.270 84.8 10.3 308 75 18.00 18 31.38 +60 16.7 0.893 1.255 83.6 10.2 306 79 19.00 18 47.63 +60 37.0 0.895 1.241 82.3 10.2 304 82 20.00 19 4.01 +60 50.2 0.899 1.227 80.9 10.2 301 85 Guy M Hurst