IOTA/IOTA-ES occultation update for (1227) Geranium / TYC 2924-01884-1 event on 2008 Feb 02, 21:26 UT Visible from Europe, Russia Summary ------- On 2008 Feb 02 UT, the 42 km diameter asteroid (1227) Geranium will occult a 11.6 mag star in the constellation Auriga for observers along a path across Europe, Russia. In the case of an occultation, the combined light of the asteroid and the star will drop by 4.5 mag to 16.1 mag (the magnitude of the asteroid) for at most 3.9 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 31 * date and approx. time of event: 2008 Feb 02, 21:19 - 2008 Feb 02, 21:39 UT * midpoint of event [JD]: 2454499.39544167 * magnitude of target star: 11.6 * magnitude drop [mag]: 4.5 * estimated maximum duration [s]: 3.9 * Moon: 18 % sunlit, 164° distance * Sun: 133° distance * rough path description: Europe, Russia The occultation path -------------------- * approximate projected width [km]: 42 * 1 sigma uncertainty interval [path widths]: +/- 2.18 * 1 sigma uncertainty interval [seconds]: +/- 7.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .045 +/- .042) * 1 sigma uncertainty ellipse (major, minor, PA): ( .046", .041", 72° ) * approx speed of asteroid's shadow [km/s]: 10.7509 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 2924-01884-1 by 1227 Geranium on 2008 Feb 02 Centre Star Star Sun Path Limits Error Limits E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Longitude Longitude Longitude Longitude ... .. .. -28 0 0 .. .. .. .. .. .. ... .. .. ... .. .. ... .. .. - 66 54 53 - 67 28 40 -27 0 0 21 39 19 1 39 22 - 67 44 57 - 67 12 25 ... .. .. - 66 1 50 - 66 35 35 -26 0 0 21 39 18 2 38 21 - 66 51 39 - 66 19 33 - 68 1 58 - 65 9 55 - 65 43 38 -25 0 0 21 39 18 3 38 20 - 65 59 29 - 65 27 49 - 67 8 52 - 64 19 4 - 64 52 45 -24 0 0 21 39 17 4 38 19 - 65 8 24 - 64 37 7 - 66 16 54 - 63 29 12 - 64 2 50 -23 0 0 21 39 16 6 37 18 - 64 18 18 - 63 47 23 - 65 25 59 - 62 40 14 - 63 13 49 -22 0 0 21 39 15 7 37 17 - 63 29 7 - 62 58 32 - 64 36 3 - 61 52 7 - 62 25 39 -21 0 0 21 39 13 8 37 16 - 62 40 48 - 62 10 32 - 63 47 1 - 61 4 46 - 61 38 16 -20 0 0 21 39 11 9 36 15 - 61 53 16 - 61 23 17 - 62 58 49 - 60 18 9 - 60 51 36 -19 0 0 21 39 9 11 36 14 - 61 6 27 - 60 36 45 - 62 11 24 - 59 32 12 - 60 5 36 -18 0 0 21 39 6 12 36 13 - 60 20 20 - 59 50 53 - 61 24 42 - 58 46 52 - 59 20 12 -17 0 0 21 39 4 13 36 12 - 59 34 49 - 59 5 37 - 60 38 40 - 58 2 5 - 58 35 23 -16 0 0 21 39 1 14 35 11 - 58 49 53 - 58 20 54 - 59 53 15 - 57 17 50 - 57 51 5 -15 0 0 21 38 58 15 35 10 - 58 5 29 - 57 36 41 - 59 8 23 - 56 34 3 - 57 7 15 -14 0 0 21 38 54 17 35 9 - 57 21 34 - 56 52 57 - 58 24 3 - 55 50 42 - 56 23 51 -13 0 0 21 38 50 18 35 8 - 56 38 5 - 56 9 38 - 57 40 11 - 55 7 45 - 55 40 51 -12 0 0 21 38 46 19 35 8 - 55 55 0 - 55 26 43 - 56 56 46 - 54 25 9 - 54 58 13 -11 0 0 21 38 42 20 35 7 - 55 12 17 - 54 44 8 - 56 13 44 - 53 42 52 - 54 15 53 -10 0 0 21 38 38 21 35 6 - 54 29 54 - 54 1 53 - 55 31 4 - 53 0 53 - 53 33 51 - 9 0 0 21 38 33 23 34 5 - 53 47 48 - 53 19 54 - 54 48 43 - 52 19 8 - 52 52 3 - 8 0 0 21 38 28 24 34 4 - 53 5 58 - 52 38 9 - 54 6 39 - 51 37 36 - 52 10 29 - 7 0 0 21 38 23 25 34 3 - 52 24 21 - 51 56 38 - 53 24 50 - 50 56 15 - 51 29 6 - 6 0 0 21 38 18 26 34 2 - 51 42 56 - 51 15 17 - 52 43 15 - 50 15 3 - 50 47 52 - 5 0 0 21 38 12 27 34 1 - 51 1 40 - 50 34 5 - 52 1 50 - 49 33 58 - 50 6 46 - 4 0 0 21 38 6 29 34 0 - 50 20 32 - 49 53 0 - 51 20 36 - 48 52 59 - 49 25 45 - 3 0 0 21 38 0 30 34 -1 - 49 39 30 - 49 12 0 - 50 39 28 - 48 12 4 - 48 44 48 - 2 0 0 21 37 54 31 34 -2 - 48 58 33 - 48 31 4 - 49 58 27 - 47 31 11 - 48 3 54 - 1 0 0 21 37 48 32 34 -3 - 48 17 38 - 47 50 10 - 49 17 30 - 46 50 18 - 47 23 0 0 0 0 21 37 41 33 34 -3 - 47 36 44 - 47 9 16 - 48 36 35 - 46 9 23 - 46 42 4 1 0 0 21 37 34 35 34 -4 - 46 55 48 - 46 28 20 - 47 55 41 - 45 28 26 Latitude Latitude Latitude Latitude - 46 0 0 2 1 37 21 37 27 36 34 -5 2 21 43 1 41 30 3 49 24 0 13 46 - 45 0 0 3 29 15 21 37 16 38 34 -7 3 49 20 3 9 10 5 16 53 1 41 35 - 44 0 0 4 56 31 21 37 5 39 34 -8 5 16 33 4 36 29 6 43 55 3 9 5 - 43 0 0 6 23 17 21 36 53 41 34 -9 6 43 17 6 3 18 8 10 24 4 36 9 - 42 0 0 7 49 27 21 36 42 43 34 -11 8 9 22 7 29 32 9 36 14 6 2 39 - 41 0 0 9 14 53 21 36 30 44 35 -12 9 34 43 8 55 2 11 1 16 7 28 29 - 40 0 0 10 39 28 21 36 17 46 35 -13 10 59 14 10 19 43 12 25 25 8 53 31 - 39 0 0 12 3 8 21 36 5 48 35 -14 12 22 48 11 43 28 13 48 36 10 17 40 - 38 0 0 13 25 45 21 35 52 49 35 -16 13 45 20 13 6 11 15 10 42 11 40 51 - 37 0 0 14 47 16 21 35 39 51 36 -17 15 6 44 14 27 48 16 31 38 13 2 56 - 36 0 0 16 7 35 21 35 26 53 36 -18 16 26 56 15 48 14 17 51 20 14 23 52 - 35 0 0 17 26 37 21 35 12 54 36 -19 17 45 51 17 7 24 19 9 44 15 43 34 - 34 0 0 18 44 20 21 34 59 56 37 -20 19 3 26 18 25 14 20 26 46 17 1 58 - 33 0 0 20 0 39 21 34 46 57 37 -21 20 19 37 19 41 41 21 42 22 18 19 0 - 32 0 0 21 15 32 21 34 32 59 37 -23 21 34 22 20 56 42 22 56 31 19 34 37 - 31 0 0 22 28 55 21 34 19 60 38 -24 22 47 37 22 10 14 24 9 8 20 48 47 - 30 0 0 23 40 48 21 34 5 62 38 -25 23 59 20 23 22 15 25 20 14 22 1 27 - 29 0 0 24 51 7 21 33 52 63 39 -26 25 9 31 24 32 44 26 29 45 23 12 35 - 28 0 0 25 59 52 21 33 39 65 39 -27 26 18 6 25 41 38 27 37 41 24 22 9 - 27 0 0 27 7 2 21 33 26 66 40 -28 27 25 7 26 48 57 28 44 1 25 30 10 - 26 0 0 28 12 36 21 33 12 67 40 -29 28 30 31 27 54 40 29 48 44 26 36 34 - 25 0 0 29 16 33 21 32 59 69 41 -29 29 34 19 28 58 47 30 51 49 27 41 23 - 24 0 0 30 18 54 21 32 47 70 42 -30 30 36 30 30 1 18 31 53 18 28 44 36 - 23 0 0 31 19 38 21 32 34 71 42 -31 31 37 5 31 2 12 32 53 11 29 46 13 - 22 0 0 32 18 47 21 32 21 73 43 -32 32 36 4 32 1 30 33 51 27 30 46 14 - 21 0 0 33 16 20 21 32 9 74 44 -33 33 33 27 32 59 13 34 48 8 31 44 39 - 20 0 0 34 12 19 21 31 57 75 45 -34 34 29 16 33 55 22 35 43 14 32 41 31 - 19 0 0 35 6 44 21 31 45 76 45 -34 35 23 32 34 49 57 36 36 47 33 36 48 - 18 0 0 35 59 37 21 31 33 77 46 -35 36 16 15 35 43 0 37 28 48 34 30 34 - 17 0 0 36 51 0 21 31 21 78 47 -36 37 7 28 36 34 32 38 19 18 35 22 48 - 16 0 0 37 40 52 21 31 10 79 49 -36 37 57 10 37 24 34 39 8 19 36 13 32 - 15 0 0 38 29 17 21 30 59 80 50 -37 38 45 25 38 13 8 39 55 53 37 2 47 - 14 0 0 39 16 15 21 30 48 81 51 -38 39 32 14 39 0 15 40 42 0 37 50 36 - 13 0 0 40 1 48 21 30 37 82 53 -38 40 17 38 39 45 58 41 26 43 38 36 59 - 12 0 0 40 45 58 21 30 26 83 55 -39 41 1 39 40 30 17 42 10 4 39 21 58 - 11 0 0 41 28 46 21 30 16 84 58 -39 41 44 18 41 13 15 42 52 3 40 5 36 - 10 0 0 42 10 15 21 30 5 85 61 -40 42 25 38 41 54 53 43 32 44 40 47 53 - 9 0 0 42 50 27 21 29 55 86 67 -40 43 5 41 42 35 13 44 12 8 41 28 51 - 8 0 0 43 29 22 21 29 46 86 76 -41 43 44 27 43 14 17 44 50 17 42 8 33 - 7 0 0 44 7 3 21 29 36 86 95 -41 44 22 0 43 52 7 45 27 12 42 47 0 - 6 0 0 44 43 32 21 29 26 87 136 -42 44 58 20 44 28 44 46 2 56 43 24 13 - 5 0 0 45 18 50 21 29 17 86 179 -42 45 33 30 45 4 10 46 37 30 44 0 15 - 4 0 0 45 53 0 21 29 8 86 199 -43 46 7 32 45 38 28 47 10 56 44 35 8 - 3 0 0 46 26 2 21 28 59 86 209 -43 46 40 26 46 11 38 47 43 16 45 8 52 - 2 0 0 46 57 59 21 28 50 85 215 -43 47 12 15 46 43 43 48 14 32 45 41 31 - 1 0 0 47 28 52 21 28 42 84 219 -44 47 43 1 47 14 44 48 44 45 46 13 5 0 0 0 47 58 44 21 28 33 84 222 -44 48 12 46 47 44 43 49 13 57 46 43 36 1 0 0 48 27 35 21 28 25 83 224 -44 48 41 30 48 13 41 49 42 9 47 13 5 2 0 0 48 55 28 21 28 17 82 226 -45 49 9 15 48 41 40 50 9 24 47 41 35 3 0 0 49 22 23 21 28 9 82 227 -45 49 36 3 49 8 43 50 35 43 48 9 7 4 0 0 49 48 23 21 28 1 81 229 -45 50 1 56 49 34 49 51 1 6 48 35 42 5 0 0 50 13 28 21 27 53 80 230 -46 50 26 55 50 0 1 51 25 37 49 1 22 6 0 0 50 37 41 21 27 46 80 231 -46 50 51 2 50 24 20 51 49 16 49 26 9 7 0 0 51 1 2 21 27 38 79 232 -46 51 14 17 50 47 47 52 12 4 49 50 3 8 0 0 51 23 33 21 27 31 78 234 -46 51 36 42 51 10 24 52 34 3 50 13 6 9 0 0 51 45 15 21 27 24 78 235 -47 51 58 18 51 32 12 52 55 14 50 35 19 10 0 0 52 6 10 21 27 17 77 236 -47 52 19 7 51 53 13 53 15 39 50 56 44 11 0 0 52 26 18 21 27 10 76 237 -47 52 39 10 52 13 26 53 35 18 51 17 22 12 0 0 52 45 42 21 27 3 76 238 -47 52 58 28 52 32 55 53 54 13 51 37 13 13 0 0 53 4 21 21 26 57 75 239 -47 53 17 2 52 51 39 54 12 25 51 56 19 14 0 0 53 22 17 21 26 50 74 240 -48 53 34 54 53 9 40 54 29 54 52 14 42 15 0 0 53 39 31 21 26 44 74 240 -48 53 52 3 53 26 59 54 46 43 52 32 22 16 0 0 53 56 4 21 26 37 73 241 -48 54 8 32 53 43 37 55 2 51 52 49 19 17 0 0 54 11 57 21 26 31 72 242 -48 54 24 20 53 59 34 55 18 20 53 5 36 18 0 0 54 27 11 21 26 25 72 243 -48 54 39 30 54 14 53 55 33 11 53 21 13 19 0 0 54 41 47 21 26 19 71 244 -48 54 54 2 54 29 33 55 47 25 53 36 11 20 0 0 54 55 45 21 26 13 71 245 -48 55 7 56 54 43 35 56 1 2 53 50 31 21 0 0 55 9 7 21 26 7 70 246 -48 55 21 14 54 57 0 56 14 3 54 4 13 22 0 0 55 21 53 21 26 1 69 247 -49 55 33 56 55 9 50 56 26 30 54 17 18 23 0 0 55 34 4 21 25 55 69 248 -49 55 46 3 55 22 4 56 38 21 54 29 47 24 0 0 55 45 40 21 25 50 68 248 -49 55 57 36 55 33 43 56 49 40 54 41 41 25 0 0 55 56 42 21 25 44 68 249 -49 56 8 35 55 44 49 57 0 25 54 53 1 26 0 0 56 7 11 21 25 39 67 250 -49 56 19 1 55 55 21 57 10 38 55 3 46 27 0 0 56 17 8 21 25 33 67 251 -49 56 28 55 56 5 21 57 20 19 55 13 58 28 0 0 56 26 32 21 25 28 66 252 -49 56 38 16 56 14 48 57 29 28 55 23 37 29 0 0 56 35 25 21 25 23 65 253 -49 56 47 7 56 23 43 57 38 7 55 32 44 30 0 0 56 43 47 21 25 17 65 254 -49 56 55 26 56 32 7 57 46 16 55 41 19 31 0 0 56 51 38 21 25 12 64 255 -49 57 3 15 56 40 1 57 53 55 55 49 22 32 0 0 56 58 59 21 25 7 64 255 -49 57 10 34 56 47 24 58 1 4 55 56 55 33 0 0 57 5 50 21 25 2 63 256 -49 57 17 23 56 54 18 58 7 45 56 3 57 34 0 0 57 12 12 21 24 57 63 257 -49 57 23 43 57 0 41 58 13 56 56 10 29 35 0 0 57 18 5 21 24 52 62 258 -49 57 29 34 57 6 36 58 19 40 56 16 31 36 0 0 57 23 29 21 24 47 62 259 -49 57 34 57 57 12 2 58 24 56 56 22 4 37 0 0 57 28 25 21 24 42 61 260 -49 57 39 51 57 16 59 58 29 43 56 27 8 38 0 0 57 32 52 21 24 37 61 261 -49 57 44 17 57 21 28 58 34 4 56 31 42 39 0 0 57 36 52 21 24 33 60 261 -49 57 48 16 57 25 28 58 37 57 56 35 48 40 0 0 57 40 24 21 24 28 60 262 -49 57 51 47 57 29 1 58 41 23 56 39 26 41 0 0 57 43 28 21 24 23 59 263 -49 57 54 50 57 32 7 58 44 23 56 42 35 42 0 0 57 46 5 21 24 18 58 264 -49 57 57 26 57 34 44 58 46 55 56 45 16 43 0 0 57 48 15 21 24 14 58 265 -49 57 59 35 57 36 55 58 49 2 56 47 29 44 0 0 57 49 58 21 24 9 57 266 -49 58 1 17 57 38 38 58 50 41 56 49 15 45 0 0 57 51 13 21 24 5 57 267 -49 58 2 32 57 39 54 58 51 55 56 50 32 46 0 0 57 52 2 21 24 0 56 267 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13 58 17 21 56 14 5 61 0 0 57 9 37 21 22 55 48 280 -47 57 21 8 56 58 5 58 11 25 56 7 49 62 0 0 57 3 1 21 22 51 48 281 -47 57 14 35 56 51 28 58 5 0 56 1 3 63 0 0 56 55 56 21 22 46 47 282 -47 57 7 32 56 44 20 57 58 6 55 53 47 64 0 0 56 48 20 21 22 42 47 282 -47 56 59 58 56 36 42 57 50 42 55 45 59 65 0 0 56 40 14 21 22 38 46 283 -47 56 51 54 56 28 33 57 42 49 55 37 40 66 0 0 56 31 36 21 22 34 46 284 -47 56 43 19 56 19 53 57 34 25 55 28 48 67 0 0 56 22 27 21 22 30 45 285 -46 56 34 13 56 10 41 57 25 30 55 19 24 68 0 0 56 12 45 21 22 25 45 286 -46 56 24 34 56 0 57 57 16 4 55 9 27 69 0 0 56 2 31 21 22 21 44 287 -46 56 14 22 55 50 39 57 6 6 54 58 57 70 0 0 55 51 43 21 22 17 43 287 -46 56 3 38 55 39 48 56 55 35 54 47 52 71 0 0 55 40 21 21 22 13 43 288 -46 55 52 19 55 28 23 56 44 31 54 36 12 72 0 0 55 28 24 21 22 9 42 289 -45 55 40 26 55 16 23 56 32 53 54 23 56 73 0 0 55 15 52 21 22 5 42 290 -45 55 27 57 55 3 47 56 20 40 54 11 5 74 0 0 55 2 43 21 22 0 41 291 -45 55 14 52 54 50 34 56 7 52 53 57 35 75 0 0 54 48 57 21 21 56 40 292 -45 55 1 11 54 36 44 55 54 28 53 43 28 76 0 0 54 34 34 21 21 52 40 292 -44 54 46 51 54 22 17 55 40 26 53 28 42 77 0 0 54 19 31 21 21 48 39 293 -44 54 31 53 54 7 10 55 25 47 53 13 17 78 0 0 54 3 49 21 21 44 39 294 -44 54 16 15 53 51 23 55 10 29 52 57 10 79 0 0 53 47 26 21 21 40 38 295 -44 53 59 57 53 34 55 54 54 31 52 40 22 80 0 0 53 30 21 21 21 36 37 296 -43 53 42 57 53 17 46 54 37 53 52 22 51 81 0 0 53 12 34 21 21 32 37 296 -43 53 25 15 52 59 53 54 20 32 52 4 36 82 0 0 52 54 2 21 21 27 36 297 -43 53 6 48 52 41 16 54 2 29 51 45 37 83 0 0 52 34 46 21 21 23 35 298 -42 52 47 37 52 21 54 53 43 42 51 25 51 84 0 0 52 14 43 21 21 19 35 299 -42 52 27 40 52 1 45 53 24 9 51 5 17 85 0 0 51 53 52 21 21 15 34 299 -42 52 6 55 51 40 49 53 3 49 50 43 55 86 0 0 51 32 12 21 21 11 33 300 -41 51 45 21 51 19 3 52 42 42 50 21 43 87 0 0 51 9 42 21 21 7 32 301 -41 51 22 57 50 56 27 52 20 46 49 58 40 88 0 0 50 46 20 21 21 3 32 302 -41 50 59 42 50 32 59 51 57 58 49 34 43 89 0 0 50 22 5 21 20 59 31 303 -40 50 35 33 50 8 37 51 34 19 49 9 52 90 0 0 49 56 55 21 20 55 30 303 -40 50 10 30 49 43 20 51 9 45 48 44 6 91 0 0 49 30 48 21 20 51 29 304 -40 49 44 31 49 17 6 50 44 17 48 17 21 92 0 0 49 3 43 21 20 47 29 305 -39 49 17 33 48 49 54 50 17 51 47 49 37 93 0 0 48 35 38 21 20 43 28 306 -39 48 49 36 48 21 41 49 50 26 47 20 52 94 0 0 48 6 32 21 20 39 27 306 -38 48 20 37 47 52 27 49 22 1 46 51 3 95 0 0 47 36 21 21 20 35 26 307 -38 47 50 34 47 22 8 48 52 33 46 20 10 96 0 0 47 5 5 21 20 31 25 308 -37 47 19 26 46 50 44 48 22 1 45 48 10 97 0 0 46 32 41 21 20 28 25 308 -37 46 47 11 46 18 12 47 50 23 45 15 1 98 0 0 45 59 8 21 20 24 24 309 -36 46 13 46 45 44 30 47 17 35 44 40 41 99 0 0 45 24 23 21 20 20 23 310 -36 45 39 10 45 9 36 46 43 38 44 5 8 100 0 0 44 48 23 21 20 16 22 311 -35 45 3 19 44 33 27 46 8 27 43 28 20 101 0 0 44 11 8 21 20 13 21 311 -35 44 26 13 43 56 2 45 32 2 42 50 14 102 0 0 43 32 33 21 20 9 20 312 -34 43 47 48 43 17 18 44 54 19 42 10 48 103 0 0 42 52 38 21 20 6 19 313 -33 43 8 3 42 37 13 44 15 16 41 30 1 104 0 0 42 11 20 21 20 3 18 313 -33 42 26 54 41 55 45 43 34 51 40 47 48 105 0 0 41 28 35 21 19 59 17 314 -32 41 44 20 41 12 50 42 53 2 40 4 9 106 0 0 40 44 23 21 19 56 16 315 -31 41 0 18 40 28 27 42 9 45 39 19 0 107 0 0 39 58 39 21 19 53 15 315 -31 40 14 46 39 42 33 41 25 0 38 32 19 108 0 0 39 11 23 21 19 51 14 316 -30 39 27 40 38 55 6 40 38 42 37 44 4 109 0 0 38 22 31 21 19 48 13 316 -29 38 39 0 38 6 3 39 50 49 36 54 12 110 0 0 37 32 1 21 19 45 11 317 -29 37 48 41 37 15 21 39 1 20 36 2 41 111 0 0 36 39 51 21 19 43 10 318 -28 36 56 42 36 22 59 38 10 11 35 9 29 112 0 0 35 45 57 21 19 41 9 318 -27 36 3 0 35 28 54 37 17 20 34 14 33 113 0 0 34 50 19 21 19 39 8 319 -26 35 7 34 34 33 4 36 22 45 33 17 50 114 0 0 33 52 53 21 19 37 7 319 -25 34 10 20 33 35 26 35 26 24 32 19 20 115 0 0 32 53 38 21 19 36 5 320 -24 33 11 17 32 35 59 34 28 13 31 19 0 116 0 0 31 52 32 21 19 35 4 320 -23 32 10 23 31 34 40 33 28 13 30 16 47 117 0 0 30 49 32 21 19 34 3 321 -22 31 7 36 30 31 29 32 26 19 29 12 42 118 0 0 29 44 39 21 19 33 1 322 -21 30 2 55 29 26 23 31 22 32 28 6 42 119 0 0 .. .. .. .. .. .. .. .. .. 28 56 18 .. .. .. 30 16 49 .. .. .. Data for the target star ------------------------ * name: TYC 2924-01884-1 * constellation : Auriga * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 05 58 38.7316 DE: +43 46 36.428 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .016, .016 ) * V mag [mag]: 11.6 * B mag [mag]: 12.2 * Apparent position with proper motion RA(deg): 89.8176576408 DE(deg): 43.7805062655 * Equation of equinoxes (radians) : 0.000045029665593 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1227) Geranium approx. diameter [km]: 42 approx. diameter ["]: .019 distance from Earth [AU]: 3.03600 * orbital information: orbit source: Preston date of fit: 2007 Dec 19 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 718 number of rejected observations: 30 time covered by the observations: 1931 Oct 05 - 2007 Nov 15 1 sigma uncertainty ellipse (major, minor, PA): 0.043, 0.038, 70° remarks: * orbital elements for (1227) Geranium : Mean anomaly = 150.59298464 deg Arg. of pericenter = 299.20637351 deg Long. of node = 1.60817505 deg Inclination = 16.41841452 deg Eccentricity = 0.18885161 Semimajor axis = 3.22385571 AU Perihelion dist = 2.61502538 AU Mag: H = 10.66, G = 0.15 Epoch of elements : MJD 54498.89300000 TDT (2008 Feb 02.893) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Feb 02 1227 Geranium 21h 29.4m UT 11.6 5 58 38.732 43 46 36.43TYC 2924-01884-1 12.2 16.1 42 3.9 3.036 -1.234 -11.40 -5.151 43.780 221.07 -16.79 21.4906 -.01218 .01344 -4.61916 -3.93511 0.00420 -0.00153 2000 149.0787652008 125.00000299.206374 1.608175 16.4184150.188851613.223855712.6150253810.15 0.15 RATE 1.7027100 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.046 0.041 72.4 3.180 0.041 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2007 Dec 22, 20:33 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org