IOTA/IOTA-ES occultation update for (436) Patricia / HIP 34278 event on 2009 Feb 09, 22:51 UT Visible from Summary ------- On 2009 Feb 09 UT, the 60 km diameter asteroid (436) Patricia will occult a 11.3 mag star in the constellation Auriga for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 3.7 mag to 14.9 mag (the magnitude of the asteroid) for at most 5.3 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: 70 * date and approx. time of event: 2009 Feb 09, 22:42 - 2009 Feb 09, 23:01 UT * magnitude of target star: 11.3 * magnitude drop [mag]: 3.7 * estimated maximum duration [s]: 5.3 * Moon: 100 % sunlit, 49° distance * Sun: 137° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 60 * 1 sigma uncertainty interval [path widths]: +/- 0.83 * 1 sigma uncertainty interval [seconds]: +/- 3.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .034 +/- .024) * 1 sigma uncertainty ellipse (major, minor, PA): ( .034", .024", 101° ) * approx speed of asteroid's shadow [km/s]: 11.1261 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 34278 by 436 Patricia on 2009 Feb 9 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 - 64 59 26 -24 0 0 23 1 5 10 32 0 - 65 20 46 - 64 38 6 - 65 56 13 - 64 2 45 - 64 16 50 -23 0 0 23 1 3 11 32 -1 - 64 37 59 - 63 55 42 - 65 13 7 - 63 20 39 - 63 34 44 -22 0 0 23 1 0 12 31 -2 - 63 55 42 - 63 13 47 - 64 30 33 - 62 39 2 - 62 53 7 -21 0 0 23 0 58 14 31 -3 - 63 13 55 - 62 32 19 - 63 48 28 - 61 57 50 - 62 11 55 -20 0 0 23 0 55 15 31 -4 - 62 32 34 - 61 51 16 - 63 6 51 - 61 17 2 - 61 31 6 -19 0 0 23 0 52 16 31 -5 - 61 51 36 - 61 10 36 - 62 25 39 - 60 36 35 - 60 50 37 -18 0 0 23 0 48 17 31 -6 - 61 10 59 - 60 30 15 - 61 44 49 - 59 56 28 - 60 10 27 -17 0 0 23 0 45 18 30 -6 - 60 30 42 - 59 50 12 - 61 4 20 - 59 16 37 - 59 30 34 -16 0 0 23 0 41 20 30 -7 - 59 50 42 - 59 10 26 - 60 24 8 - 58 37 1 - 58 50 54 -15 0 0 23 0 37 21 30 -8 - 59 10 57 - 58 30 52 - 59 44 13 - 57 57 37 - 58 11 28 -14 0 0 23 0 33 22 30 -9 - 58 31 24 - 57 51 31 - 59 4 31 - 57 18 25 - 57 32 12 -13 0 0 23 0 28 23 30 -10 - 57 52 4 - 57 12 20 - 58 25 2 - 56 39 22 - 56 53 5 -12 0 0 23 0 23 24 29 -11 - 57 12 52 - 56 33 17 - 57 45 42 - 56 0 26 - 56 14 5 -11 0 0 23 0 19 25 29 -12 - 56 33 48 - 55 54 21 - 57 6 32 - 55 21 36 - 55 35 10 -10 0 0 23 0 13 27 29 -13 - 55 54 50 - 55 15 30 - 56 27 28 - 54 42 50 - 54 56 18 - 9 0 0 23 0 8 28 29 -14 - 55 15 55 - 54 36 41 - 55 48 29 - 54 4 6 - 54 17 29 - 8 0 0 23 0 2 29 29 -14 - 54 37 4 - 53 57 54 - 55 9 33 - 53 25 23 - 53 38 40 - 7 0 0 22 59 57 30 29 -15 - 53 58 13 - 53 19 7 - 54 30 38 - 52 46 39 - 52 59 50 - 6 0 0 22 59 51 31 29 -16 - 53 19 21 - 52 40 18 - 53 51 44 - 52 7 51 - 52 20 56 - 5 0 0 22 59 44 32 29 -17 - 52 40 27 - 52 1 25 - 53 12 48 - 51 29 0 - 51 41 58 - 4 0 0 22 59 38 34 28 -18 - 52 1 28 - 51 22 28 - 52 33 49 - 50 50 3 - 51 2 54 - 3 0 0 22 59 31 35 28 -19 - 51 22 24 - 50 43 23 - 51 54 45 - 50 10 58 - 50 23 42 - 2 0 0 22 59 25 36 28 -20 - 50 43 13 - 50 4 11 - 51 15 35 - 49 31 45 - 49 44 21 - 1 0 0 22 59 18 37 28 -21 - 50 3 53 - 49 24 48 - 50 36 16 - 48 52 20 - 49 4 49 0 0 0 22 59 10 38 28 -21 - 49 24 22 - 48 45 14 - 49 56 47 - 48 12 43 - 48 25 3 1 0 0 22 59 3 39 28 -22 - 48 44 39 - 48 5 27 - 49 17 8 - 47 32 52 Latitude Latitude Latitude Latitude - 48 0 0 1 37 38 22 58 58 40 28 -23 2 7 2 1 8 12 2 55 42 0 19 11 - 47 0 0 3 7 8 22 58 47 42 28 -24 3 36 20 2 37 53 4 24 42 1 49 12 - 46 0 0 4 35 38 22 58 35 44 28 -25 5 4 38 4 6 35 5 52 40 3 18 15 - 45 0 0 6 3 4 22 58 23 45 28 -27 6 31 51 5 34 14 7 19 32 4 46 15 - 44 0 0 7 29 17 22 58 10 47 28 -28 7 57 51 7 0 41 8 45 10 6 13 5 - 43 0 0 8 54 15 22 57 57 49 28 -29 9 22 35 8 25 52 10 9 31 7 38 39 - 42 0 0 10 17 50 22 57 45 50 28 -30 10 45 56 9 49 42 11 32 29 9 2 54 - 41 0 0 11 40 1 22 57 32 52 28 -31 12 7 52 11 12 7 12 54 0 10 25 44 - 40 0 0 13 0 41 22 57 19 54 28 -33 13 28 17 12 33 3 14 14 1 11 47 5 - 39 0 0 14 19 50 22 57 6 55 27 -34 14 47 10 13 52 27 15 32 29 13 6 55 - 38 0 0 15 37 23 22 56 52 57 27 -35 16 4 28 15 10 16 16 49 21 14 25 10 - 37 0 0 16 53 18 22 56 39 58 27 -36 17 20 7 16 26 27 18 4 34 15 41 48 - 36 0 0 18 7 35 22 56 26 60 27 -37 18 34 8 17 40 59 19 18 9 16 56 47 - 35 0 0 19 20 10 22 56 13 61 27 -38 19 46 28 18 53 51 20 30 2 18 10 5 - 34 0 0 20 31 4 22 56 0 63 27 -39 20 57 6 20 5 1 21 40 14 19 21 42 - 33 0 0 21 40 16 22 55 47 64 27 -40 22 6 1 21 14 29 22 48 43 20 31 37 - 32 0 0 22 47 45 22 55 34 66 26 -41 23 13 15 22 22 15 23 55 30 21 39 49 - 31 0 0 23 53 32 22 55 21 67 26 -41 24 18 45 23 28 17 25 0 34 22 46 19 - 30 0 0 24 57 37 22 55 8 68 26 -42 25 22 34 24 32 38 26 3 57 23 51 6 - 29 0 0 26 0 0 22 54 56 70 25 -43 26 24 41 25 35 17 27 5 38 24 54 12 - 28 0 0 27 0 42 22 54 43 71 25 -44 27 25 8 26 36 15 28 5 38 25 55 36 - 27 0 0 27 59 44 22 54 31 72 24 -44 28 23 54 27 35 33 29 3 59 26 55 20 - 26 0 0 28 57 8 22 54 19 73 23 -45 29 21 3 28 33 11 30 0 42 27 53 24 - 25 0 0 29 52 54 22 54 7 74 22 -46 30 16 33 29 29 13 30 55 48 28 49 51 - 24 0 0 30 47 4 22 53 55 75 21 -46 31 10 28 30 23 38 31 49 18 29 44 41 - 23 0 0 31 39 39 22 53 43 77 20 -47 32 2 49 31 16 28 32 41 14 30 37 56 - 22 0 0 32 30 41 22 53 32 78 18 -48 32 53 37 32 7 45 33 31 38 31 29 37 - 21 0 0 33 20 13 22 53 21 79 16 -48 33 42 54 32 57 31 34 20 32 32 19 47 - 20 0 0 34 8 15 22 53 9 79 14 -49 34 30 42 33 45 47 35 7 56 33 8 26 - 19 0 0 34 54 49 22 52 59 80 11 -49 35 17 2 34 32 35 35 53 54 33 55 37 - 18 0 0 35 39 58 22 52 48 81 7 -50 36 1 57 35 17 57 36 38 26 34 41 22 - 17 0 0 36 23 42 22 52 37 82 2 -50 36 45 29 36 1 55 37 21 36 35 25 42 - 16 0 0 37 6 5 22 52 27 83 357 -50 37 27 38 36 44 30 38 3 24 36 8 39 - 15 0 0 37 47 7 22 52 17 83 350 -51 38 8 28 37 25 45 38 43 53 36 50 16 - 14 0 0 38 26 51 22 52 7 83 343 -51 38 48 0 38 5 42 39 23 4 37 30 33 - 13 0 0 39 5 19 22 51 57 84 334 -52 39 26 15 38 44 22 40 0 59 38 9 33 - 12 0 0 39 42 32 22 51 47 84 324 -52 40 3 17 39 21 47 40 37 41 38 47 18 - 11 0 0 40 18 33 22 51 38 84 315 -52 40 39 6 39 57 59 41 13 11 39 23 50 - 10 0 0 40 53 22 22 51 28 84 306 -52 41 13 44 40 33 0 41 47 30 39 59 9 - 9 0 0 41 27 3 22 51 19 83 298 -53 41 47 13 41 6 52 42 20 41 40 33 19 - 8 0 0 41 59 36 22 51 10 83 291 -53 42 19 36 41 39 35 42 52 46 41 6 21 - 7 0 0 42 31 3 22 51 1 82 286 -53 42 50 53 42 11 13 43 23 46 41 38 16 - 6 0 0 43 1 27 22 50 53 82 281 -53 43 21 6 42 41 47 43 53 42 42 9 7 - 5 0 0 43 30 48 22 50 44 81 277 -53 43 50 17 43 11 18 44 22 37 42 38 54 - 4 0 0 43 59 8 22 50 36 81 274 -54 44 18 28 43 39 48 44 50 31 43 7 40 - 3 0 0 44 26 29 22 50 27 80 272 -54 44 45 39 44 7 18 45 17 27 43 35 26 - 2 0 0 44 52 52 22 50 19 79 270 -54 45 11 53 44 33 50 45 43 26 44 2 13 - 1 0 0 45 18 19 22 50 11 79 268 -54 45 37 11 44 59 26 46 8 30 44 28 3 0 0 0 45 42 50 22 50 4 78 267 -54 46 1 34 45 24 6 46 32 39 44 52 58 1 0 0 46 6 29 22 49 56 77 266 -54 46 25 4 45 47 52 46 55 55 45 16 58 2 0 0 46 29 15 22 49 48 77 265 -54 46 47 42 46 10 46 47 18 20 45 40 5 3 0 0 46 51 9 22 49 41 76 265 -54 47 9 29 46 32 49 47 39 54 46 2 21 4 0 0 47 12 15 22 49 34 75 264 -54 47 30 27 46 54 1 48 0 39 46 23 46 5 0 0 47 32 31 22 49 26 75 264 -54 47 50 36 47 14 25 48 20 37 46 44 21 6 0 0 47 52 0 22 49 19 74 264 -54 48 9 58 47 34 1 48 39 47 47 4 9 7 0 0 48 10 42 22 49 12 73 264 -54 48 28 34 47 52 50 48 58 12 47 23 9 8 0 0 48 28 39 22 49 6 73 264 -54 48 46 24 48 10 54 49 15 52 47 41 23 9 0 0 48 45 52 22 48 59 72 264 -54 49 3 31 48 28 12 49 32 48 47 58 53 10 0 0 49 2 21 22 48 52 71 264 -54 49 19 54 48 44 48 49 49 1 48 15 38 11 0 0 49 18 8 22 48 46 71 264 -54 49 35 35 49 0 40 50 4 32 48 31 40 12 0 0 49 33 13 22 48 39 70 264 -54 49 50 34 49 15 50 50 19 23 48 46 59 13 0 0 49 47 37 22 48 33 69 264 -54 50 4 53 49 30 20 50 33 33 49 1 37 14 0 0 50 1 21 22 48 26 69 265 -54 50 18 32 49 44 9 50 47 3 49 15 35 15 0 0 50 14 25 22 48 20 68 265 -54 50 31 32 49 57 18 50 59 55 49 28 52 16 0 0 50 26 52 22 48 14 68 265 -54 50 43 54 50 9 49 51 12 9 49 41 31 17 0 0 50 38 40 22 48 8 67 266 -54 50 55 37 50 21 42 51 23 46 49 53 31 18 0 0 50 49 51 22 48 2 66 266 -53 51 6 44 50 32 57 51 34 46 50 4 52 19 0 0 51 0 25 22 47 56 66 267 -53 51 17 14 50 43 35 51 45 9 50 15 37 20 0 0 51 10 23 22 47 50 65 267 -53 51 27 9 50 53 37 51 54 58 50 25 45 21 0 0 51 19 46 22 47 45 64 268 -53 51 36 28 51 3 3 52 4 11 50 35 17 22 0 0 51 28 33 22 47 39 64 268 -53 51 45 12 51 11 54 52 12 50 50 44 13 23 0 0 51 36 46 22 47 33 63 269 -53 51 53 22 51 20 10 52 20 54 50 52 34 24 0 0 51 44 25 22 47 28 63 269 -53 52 0 58 51 27 51 52 28 26 51 0 21 25 0 0 51 51 30 22 47 22 62 270 -52 52 8 0 51 34 59 52 35 23 51 7 33 26 0 0 51 58 1 22 47 17 61 270 -52 52 14 29 51 41 33 52 41 49 51 14 11 27 0 0 52 4 0 22 47 11 61 271 -52 52 20 26 51 47 34 52 47 41 51 20 16 28 0 0 52 9 26 22 47 6 60 271 -52 52 25 50 51 53 2 52 53 2 51 25 47 29 0 0 52 14 19 22 47 1 60 272 -52 52 30 41 51 57 57 52 57 50 51 30 45 30 0 0 52 18 41 22 46 56 59 273 -52 52 35 1 52 2 20 53 2 7 51 35 11 31 0 0 52 22 30 22 46 50 58 273 -51 52 38 49 52 6 11 53 5 53 51 39 4 32 0 0 52 25 47 22 46 45 58 274 -51 52 42 5 52 9 29 53 9 7 51 42 25 33 0 0 52 28 33 22 46 40 57 274 -51 52 44 50 52 12 16 53 11 50 51 45 14 34 0 0 52 30 48 22 46 35 57 275 -51 52 47 4 52 14 32 53 14 2 51 47 30 35 0 0 52 32 31 22 46 30 56 276 -50 52 48 46 52 16 15 53 15 44 51 49 15 36 0 0 52 33 43 22 46 25 55 276 -50 52 49 57 52 17 28 53 16 54 51 50 28 37 0 0 52 34 23 22 46 20 55 277 -50 52 50 38 52 18 9 53 17 34 51 51 9 38 0 0 52 34 33 22 46 15 54 278 -50 52 50 47 52 18 18 53 17 44 51 51 19 39 0 0 52 34 11 22 46 11 54 278 -50 52 50 26 52 17 56 53 17 22 51 50 57 40 0 0 52 33 18 22 46 6 53 279 -49 52 49 33 52 17 3 53 16 30 51 50 3 41 0 0 52 31 54 22 46 1 53 280 -49 52 48 9 52 15 38 53 15 7 51 48 37 42 0 0 52 29 58 22 45 56 52 280 -49 52 46 14 52 13 41 53 13 14 51 46 39 43 0 0 52 27 31 22 45 51 51 281 -48 52 43 48 52 11 13 53 10 49 51 44 9 44 0 0 52 24 32 22 45 47 51 282 -48 52 40 50 52 8 13 53 7 53 51 41 7 45 0 0 52 21 1 22 45 42 50 282 -48 52 37 21 52 4 41 53 4 26 51 37 33 46 0 0 52 16 58 22 45 37 50 283 -48 52 33 20 52 0 37 53 0 27 51 33 26 47 0 0 52 12 23 22 45 33 49 284 -47 52 28 46 51 56 0 52 55 57 51 28 46 48 0 0 52 7 16 22 45 28 48 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49 37 25 50 40 35 49 8 44 63 0 0 49 40 31 22 44 21 39 295 -42 49 57 52 49 23 9 50 26 39 48 54 18 64 0 0 49 25 38 22 44 17 38 296 -41 49 43 5 49 8 11 50 12 1 48 39 11 65 0 0 49 10 3 22 44 13 37 297 -41 49 27 36 48 52 30 49 56 42 48 23 20 66 0 0 48 53 45 22 44 9 37 297 -40 49 11 23 48 36 5 49 40 40 48 6 45 67 0 0 48 36 42 22 44 4 36 298 -40 48 54 27 48 18 56 49 23 54 47 49 25 68 0 0 48 18 53 22 44 0 35 299 -40 48 36 45 48 1 1 49 6 23 47 31 19 69 0 0 48 0 18 22 43 56 35 299 -39 48 18 17 47 42 19 48 48 7 47 12 25 70 0 0 47 40 56 22 43 52 34 300 -39 47 59 2 47 22 49 48 29 3 46 52 43 71 0 0 47 20 44 22 43 48 33 301 -38 47 38 58 47 2 29 48 9 12 46 32 11 72 0 0 46 59 42 22 43 44 32 301 -38 47 18 4 46 41 20 47 48 31 46 10 48 73 0 0 46 37 49 22 43 39 32 302 -37 46 56 18 46 19 18 47 26 59 45 48 33 74 0 0 46 15 2 22 43 35 31 303 -37 46 33 40 45 56 23 47 4 35 45 25 24 75 0 0 45 51 22 22 43 31 30 303 -36 46 10 9 45 32 34 46 41 17 45 1 20 76 0 0 45 26 45 22 43 27 29 304 -36 45 45 41 45 7 48 46 17 5 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22 42 34 15 314 -26 37 27 25 36 43 35 38 3 44 36 7 8 92 0 0 36 21 41 22 42 31 14 314 -25 36 43 51 35 59 31 37 20 35 35 22 39 93 0 0 35 36 21 22 42 29 13 315 -24 35 58 46 35 13 55 36 35 55 34 36 37 94 0 0 34 49 26 22 42 26 12 315 -24 35 12 7 34 26 44 35 49 42 33 49 0 95 0 0 34 0 55 22 42 24 11 316 -23 34 23 52 33 37 56 35 1 54 32 59 45 96 0 0 33 10 44 22 42 22 10 316 -22 33 33 57 32 47 29 34 12 27 32 8 49 97 0 0 32 18 51 22 42 20 9 317 -21 32 42 21 31 55 18 33 21 19 31 16 10 98 0 0 31 25 13 22 42 18 7 318 -20 31 49 1 31 1 23 32 28 28 30 21 45 99 0 0 30 29 47 22 42 17 6 318 -19 30 53 53 30 5 39 31 33 50 29 25 31 100 0 0 29 32 31 22 42 15 5 319 -18 29 56 56 29 8 5 30 37 22 28 27 27 101 0 0 28 33 23 22 42 14 4 319 -17 28 58 6 28 8 38 29 39 4 27 27 28 102 0 0 27 32 20 22 42 14 2 319 -16 27 57 22 27 7 16 28 38 51 26 25 34 103 0 0 26 29 20 22 42 13 1 320 -15 26 54 41 26 3 56 27 36 42 .. .. .. Uncertainty in time = +/- 5 secs [Prediction of 2008 Nov 16.0] Data for the target star ------------------------ * name: HIP 34278 * constellation : Auriga * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 07 06 22.1070 DE: +43 49 51.229 * position source: mpos:UCAC2 pm:UCAC2 plx:HIP2 * standard error: RA,DE ["]: ( .015, .011 ) * V mag [mag]: 11.3 * B mag [mag]: 11.7 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (436) Patricia approx. diameter [km]: 60 approx. diameter ["]: .035 distance from Earth [AU]: 2.37400 * orbital information: orbit source: Preston date of fit: 2008 Nov 16 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 803 number of rejected observations: 57 time covered by the observations: 1915 Sep 09 - 2008 Nov 02 1 sigma uncertainty ellipse (major, minor, PA): 0.031, 0.021, 103° remarks: * orbital elements for (436) Patricia : Mean anomaly = 75.83467335 deg Arg. of pericenter = 38.61347678 deg Long. of node = 351.46880064 deg Inclination = 18.47584284 deg Eccentricity = 0.06267277 Semimajor axis = 3.20492024 AU Perihelion dist = 3.00405902 AU Mag: H = 9.96, G = 0.15 Epoch of elements : MJD 54871.95300000 TDT (2009 Feb 09.953) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Feb 9 436 Patricia 22h 51.7m UT 11.3 7 6 22.107 43 49 51.23HIP 34278 11.7 14.9 60 5.3 2.374 -1.587 -15.67 -16.4980 43.835 -159.37 -14.39 22.8621 0.06280 -0.06918 -4.64242 -4.22904 0.00347 -0.00212 2000 75.4991822009 2 8.00000 38.613477351.468801 18.4758430.06267277 3.2049202 3.0040590 9.8 5.00.15 RATE 1.7178230 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.034 0.024 101 1.83 0.029 0 54786.5020090209__34278 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Nov 16, 17:51 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org