IOTA/IOTA-ES occultation update for (977) Philippa / HIP 2017 event on 2012 Oct 07, 00:00 UT Visible from Africa, Brazil, Argentina Summary ------- On 2012 Oct 07 UT, the 66 km diameter asteroid (977) Philippa will occult a 7.8 mag star in the constellation Cetus for observers along a path across Africa, Brazil, Argentina. In the case of an occultation, the combined light of the asteroid and the star will drop by 6.7 mag to 14.5 mag (the magnitude of the asteroid) for at most 5.2 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: . The event at a glimpse ---------------------- * Rank: 91 * date and approx. time of event: 2012 Oct 06, 23:52 - 2012 Oct 07, 00:08 UT * geocentric midpoint of event [JD]: 2456207.50044583 * magnitude of target star: 7.8 * magnitude drop [mag]: 6.7 * estimated maximum duration [s]: 5.2 * Moon: 62 % sunlit, 91° distance * Sun: 154° distance * rough path description: Africa, Brazil, Argentina The occultation path -------------------- * approximate projected width [km]: 67 * 1 sigma uncertainty interval [path widths]: +/- 0.51 * 1 sigma uncertainty interval [seconds]: +/- 4.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .032 +/- .022) * 1 sigma uncertainty ellipse (major, minor, PA): ( .033", .019", 68° ) * approx speed of asteroid's shadow [km/s]: 12.7016 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 2017 by 977 Philippa on 2012 Oct 6 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 ' " Latitude Latitude Latitude Latitude - 93 0 0 -18 32 54 24 8 42 14 107 0 -18 13 56 -18 51 53 -17 54 36 -19 11 15 - 92 0 0 -18 51 41 24 8 39 15 106 -1 -18 32 44 -19 10 38 -18 13 26 -19 29 59 - 91 0 0 -19 10 12 24 8 37 16 106 -2 -18 51 17 -19 29 8 -18 32 0 -19 48 28 - 90 0 0 -19 28 28 24 8 35 17 106 -3 -19 9 34 -19 47 22 -18 50 18 -20 6 41 - 89 0 0 -19 46 28 24 8 32 18 105 -4 -19 27 35 -20 5 21 -19 8 21 -20 24 38 - 88 0 0 -20 4 11 24 8 29 19 105 -5 -19 45 20 -20 23 3 -19 26 7 -20 42 19 - 87 0 0 -20 21 39 24 8 26 20 105 -6 -20 2 49 -20 40 29 -19 43 37 -20 59 43 - 86 0 0 -20 38 49 24 8 23 21 104 -7 -20 20 1 -20 57 38 -20 0 51 -21 16 51 - 85 0 0 -20 55 43 24 8 20 22 104 -7 -20 36 56 -21 14 31 -20 17 47 -21 33 42 - 84 0 0 -21 12 20 24 8 17 23 103 -8 -20 53 35 -21 31 7 -20 34 27 -21 50 17 - 83 0 0 -21 28 40 24 8 14 24 103 -9 -21 9 56 -21 47 25 -20 50 50 -22 6 34 - 82 0 0 -21 44 43 24 8 10 25 103 -10 -21 26 0 -22 3 27 -21 6 55 -22 22 34 - 81 0 0 -22 0 28 24 8 7 26 102 -11 -21 41 47 -22 19 11 -21 22 44 -22 38 16 - 80 0 0 -22 15 56 24 8 3 27 102 -12 -21 57 16 -22 34 37 -21 38 14 -22 53 41 - 79 0 0 -22 31 6 24 7 59 27 102 -13 -22 12 27 -22 49 46 -21 53 27 -23 8 49 - 78 0 0 -22 45 58 24 7 55 28 101 -13 -22 27 21 -23 4 37 -22 8 22 -23 23 38 - 77 0 0 -23 0 33 24 7 51 29 101 -14 -22 41 57 -23 19 10 -22 22 59 -23 38 10 - 76 0 0 -23 14 49 24 7 47 30 100 -15 -22 56 14 -23 33 25 -22 37 18 -23 52 23 - 75 0 0 -23 28 47 24 7 43 31 100 -16 -23 10 14 -23 47 21 -22 51 19 -24 6 19 - 74 0 0 -23 42 27 24 7 39 32 99 -17 -23 23 55 -24 1 0 -23 5 1 -24 19 56 - 73 0 0 -23 55 49 24 7 34 33 99 -18 -23 37 18 -24 14 20 -23 18 25 -24 33 15 - 72 0 0 -24 8 52 24 7 30 34 99 -18 -23 50 22 -24 27 22 -23 31 31 -24 46 15 - 71 0 0 -24 21 36 24 7 25 35 98 -19 -24 3 8 -24 40 5 -23 44 18 -24 58 57 - 70 0 0 -24 34 2 24 7 20 36 98 -20 -24 15 35 -24 52 30 -23 56 47 -25 11 21 - 69 0 0 -24 46 10 24 7 16 37 97 -21 -24 27 44 -25 4 36 -24 8 57 -25 23 26 - 68 0 0 -24 57 58 24 7 11 38 97 -22 -24 39 34 -25 16 24 -24 20 48 -25 35 12 - 67 0 0 -25 9 28 24 7 6 39 96 -22 -24 51 5 -25 27 52 -24 32 20 -25 46 39 - 66 0 0 -25 20 40 24 7 1 39 96 -23 -25 2 17 -25 39 2 -24 43 34 -25 57 48 - 65 0 0 -25 31 32 24 6 56 40 95 -24 -25 13 11 -25 49 54 -24 54 28 -26 8 38 - 64 0 0 -25 42 5 24 6 50 41 95 -25 -25 23 45 -26 0 26 -25 5 4 -26 19 9 - 63 0 0 -25 52 20 24 6 45 42 94 -25 -25 34 1 -26 10 39 -25 15 21 -26 29 21 - 62 0 0 -26 2 15 24 6 40 43 94 -26 -25 43 57 -26 20 34 -25 25 18 -26 39 15 - 61 0 0 -26 11 52 24 6 34 44 93 -27 -25 53 35 -26 30 9 -25 34 57 -26 48 49 - 60 0 0 -26 21 9 24 6 29 45 93 -28 -26 2 53 -26 39 25 -25 44 17 -26 58 4 - 59 0 0 -26 30 7 24 6 23 46 92 -28 -26 11 53 -26 48 23 -25 53 17 -27 7 1 - 58 0 0 -26 38 47 24 6 18 47 91 -29 -26 20 33 -26 57 1 -26 1 58 -27 15 38 - 57 0 0 -26 47 7 24 6 12 47 91 -30 -26 28 54 -27 5 21 -26 10 20 -27 23 57 - 56 0 0 -26 55 8 24 6 6 48 90 -31 -26 36 56 -27 13 21 -26 18 23 -27 31 56 - 55 0 0 -27 2 50 24 6 0 49 90 -31 -26 44 39 -27 21 2 -26 26 7 -27 39 36 - 54 0 0 -27 10 13 24 5 54 50 89 -32 -26 52 3 -27 28 24 -26 33 32 -27 46 58 - 53 0 0 -27 17 17 24 5 49 51 89 -33 -26 59 8 -27 35 27 -26 40 37 -27 54 0 - 52 0 0 -27 24 2 24 5 42 52 88 -34 -27 5 53 -27 42 11 -26 47 24 -28 0 43 - 51 0 0 -27 30 27 24 5 36 53 87 -34 -27 12 20 -27 48 36 -26 53 51 -28 7 7 - 50 0 0 -27 36 34 24 5 30 53 87 -35 -27 18 27 -27 54 42 -26 59 59 -28 13 12 - 49 0 0 -27 42 21 24 5 24 54 86 -36 -27 24 15 -28 0 28 -27 5 47 -28 18 58 - 48 0 0 -27 47 49 24 5 18 55 85 -36 -27 29 44 -28 5 56 -27 11 17 -28 24 25 - 47 0 0 -27 52 58 24 5 11 56 85 -37 -27 34 53 -28 11 4 -27 16 27 -28 29 32 - 46 0 0 -27 57 48 24 5 5 57 84 -38 -27 39 44 -28 15 53 -27 21 18 -28 34 21 - 45 0 0 -28 2 19 24 4 59 58 83 -38 -27 44 15 -28 20 24 -27 25 50 -28 38 51 - 44 0 0 -28 6 31 24 4 52 59 82 -39 -27 48 27 -28 24 35 -27 30 3 -28 43 2 - 43 0 0 -28 10 23 24 4 46 59 82 -40 -27 52 20 -28 28 27 -27 33 56 -28 46 53 - 42 0 0 -28 13 57 24 4 39 60 81 -40 -27 55 54 -28 32 0 -27 37 30 -28 50 26 - 41 0 0 -28 17 11 24 4 32 61 80 -41 -27 59 9 -28 35 14 -27 40 45 -28 53 39 - 40 0 0 -28 20 6 24 4 26 62 79 -42 -28 2 4 -28 38 9 -27 43 41 -28 56 34 - 39 0 0 -28 22 42 24 4 19 63 78 -42 -28 4 40 -28 40 44 -27 46 18 -28 59 9 - 38 0 0 -28 24 59 24 4 12 64 78 -43 -28 6 58 -28 43 1 -27 48 35 -29 1 26 - 37 0 0 -28 26 57 24 4 6 64 77 -44 -28 8 56 -28 44 59 -27 50 34 -29 3 23 - 36 0 0 -28 28 36 24 3 59 65 76 -44 -28 10 35 -28 46 38 -27 52 13 -29 5 2 - 35 0 0 -28 29 56 24 3 52 66 75 -45 -28 11 55 -28 47 57 -27 53 33 -29 6 21 - 34 0 0 -28 30 57 24 3 45 67 74 -45 -28 12 56 -28 48 58 -27 54 34 -29 7 22 - 33 0 0 -28 31 38 24 3 38 68 73 -46 -28 13 38 -28 49 40 -27 55 16 -29 8 3 - 32 0 0 -28 32 1 24 3 31 68 71 -47 -28 14 0 -28 50 2 -27 55 39 -29 8 26 - 31 0 0 -28 32 5 24 3 24 69 70 -47 -28 14 4 -28 50 6 -27 55 43 -29 8 29 - 30 0 0 -28 31 49 24 3 17 70 69 -48 -28 13 49 -28 49 51 -27 55 27 -29 8 14 - 29 0 0 -28 31 15 24 3 10 71 68 -48 -28 13 14 -28 49 16 -27 54 53 -29 7 40 - 28 0 0 -28 30 21 24 3 3 72 66 -49 -28 12 21 -28 48 23 -27 53 59 -29 6 47 - 27 0 0 -28 29 9 24 2 55 72 65 -49 -28 11 8 -28 47 11 -27 52 46 -29 5 35 - 26 0 0 -28 27 38 24 2 48 73 63 -50 -28 9 37 -28 45 40 -27 51 15 -29 4 4 - 25 0 0 -28 25 47 24 2 41 74 61 -50 -28 7 46 -28 43 50 -27 49 24 -29 2 14 - 24 0 0 -28 23 38 24 2 34 75 60 -51 -28 5 37 -28 41 41 -27 47 14 -29 0 5 - 23 0 0 -28 21 10 24 2 26 75 58 -51 -28 3 8 -28 39 13 -27 44 45 -28 57 38 - 22 0 0 -28 18 23 24 2 19 76 55 -52 -28 0 21 -28 36 26 -27 41 57 -28 54 51 - 21 0 0 -28 15 17 24 2 12 77 53 -52 -27 57 14 -28 33 20 -27 38 50 -28 51 46 - 20 0 0 -28 11 52 24 2 4 78 50 -53 -27 53 49 -28 29 56 -27 35 25 -28 48 22 - 19 0 0 -28 8 8 24 1 57 78 47 -53 -27 50 4 -28 26 12 -27 31 40 -28 44 39 - 18 0 0 -28 4 5 24 1 50 79 44 -54 -27 46 1 -28 22 10 -27 27 36 -28 40 37 - 17 0 0 -27 59 43 24 1 42 79 41 -54 -27 41 39 -28 17 49 -27 23 13 -28 36 16 - 16 0 0 -27 55 3 24 1 35 80 37 -54 -27 36 58 -28 13 9 -27 18 31 -28 31 37 - 15 0 0 -27 50 3 24 1 27 81 32 -55 -27 31 58 -28 8 10 -27 13 31 -28 26 39 - 14 0 0 -27 44 45 24 1 20 81 27 -55 -27 26 39 -28 2 52 -27 8 11 -28 21 22 - 13 0 0 -27 39 8 24 1 12 82 22 -56 -27 21 1 -27 57 16 -27 2 33 -28 15 46 - 12 0 0 -27 33 12 24 1 4 82 16 -56 -27 15 4 -27 51 20 -26 56 36 -28 9 51 - 11 0 0 -27 26 57 24 0 57 82 9 -56 -27 8 49 -27 45 6 -26 50 19 -28 3 38 - 10 0 0 -27 20 24 24 0 49 82 2 -57 -27 2 15 -27 38 34 -26 43 44 -27 57 6 - 9 0 0 -27 13 32 24 0 42 82 355 -57 -26 55 22 -27 31 42 -26 36 51 -27 50 16 - 8 0 0 -27 6 21 24 0 34 82 348 -57 -26 48 10 -27 24 32 -26 29 38 -27 43 6 - 7 0 0 -26 58 51 24 0 26 82 341 -57 -26 40 40 -27 17 4 -26 22 7 -27 35 38 - 6 0 0 -26 51 3 24 0 19 82 334 -58 -26 32 50 -27 9 16 -26 14 17 -27 27 52 - 5 0 0 -26 42 56 24 0 11 82 327 -58 -26 24 42 -27 1 10 -26 6 8 -27 19 47 - 4 0 0 -26 34 30 24 0 3 81 321 -58 -26 16 16 -26 52 45 -25 57 40 -27 11 23 - 3 0 0 -26 25 46 23 59 56 81 316 -58 -26 7 31 -26 44 2 -25 48 54 -27 2 41 - 2 0 0 -26 16 44 23 59 48 81 311 -58 -25 58 27 -26 35 1 -25 39 50 -26 53 40 - 1 0 0 -26 7 22 23 59 40 80 307 -58 -25 49 5 -26 25 40 -25 30 27 -26 44 21 0 0 0 -25 57 43 23 59 33 79 303 -58 -25 39 24 -26 16 2 -25 20 45 -26 34 44 1 0 0 -25 47 45 23 59 25 79 299 -58 -25 29 25 -26 6 5 -25 10 45 -26 24 48 2 0 0 -25 37 28 23 59 17 78 296 -59 -25 19 8 -25 55 50 -25 0 26 -26 14 34 3 0 0 -25 26 54 23 59 10 77 293 -59 -25 8 32 -25 45 16 -24 49 49 -26 4 1 4 0 0 -25 16 1 23 59 2 77 291 -59 -24 57 38 -25 34 24 -24 38 54 -25 53 10 5 0 0 -25 4 50 23 58 54 76 288 -59 -24 46 26 -25 23 14 -24 27 40 -25 42 2 6 0 0 -24 53 20 23 58 46 75 286 -58 -24 34 55 -25 11 46 -24 16 9 -25 30 35 7 0 0 -24 41 33 23 58 39 74 284 -58 -24 23 7 -25 0 0 -24 4 19 -25 18 50 8 0 0 -24 29 27 23 58 31 73 282 -58 -24 11 0 -24 47 56 -23 52 11 -25 6 47 9 0 0 -24 17 4 23 58 23 73 281 -58 -23 58 36 -24 35 34 -23 39 46 -24 54 26 10 0 0 -24 4 23 23 58 16 72 279 -58 -23 45 53 -24 22 54 -23 27 2 -24 41 47 11 0 0 -23 51 24 23 58 8 71 278 -58 -23 32 53 -24 9 56 -23 14 1 -24 28 51 12 0 0 -23 38 8 23 58 1 70 277 -58 -23 19 36 -23 56 41 -23 0 42 -24 15 37 13 0 0 -23 24 34 23 57 53 69 275 -57 -23 6 0 -23 43 8 -22 47 5 -24 2 5 14 0 0 -23 10 42 23 57 45 68 274 -57 -22 52 8 -23 29 18 -22 33 11 -23 48 17 15 0 0 -22 56 34 23 57 38 68 273 -57 -22 37 58 -23 15 10 -22 19 0 -23 34 10 16 0 0 -22 42 8 23 57 30 67 272 -57 -22 23 30 -23 0 46 -22 4 31 -23 19 47 17 0 0 -22 27 25 23 57 23 66 271 -56 -22 8 46 -22 46 4 -21 49 46 -23 5 6 18 0 0 -22 12 24 23 57 15 65 270 -56 -21 53 45 -22 31 5 -21 34 43 -22 50 9 19 0 0 -21 57 8 23 57 8 64 269 -56 -21 38 26 -22 15 50 -21 19 24 -22 34 55 20 0 0 -21 41 34 23 57 1 63 268 -55 -21 22 52 -22 0 17 -21 3 48 -22 19 24 21 0 0 -21 25 44 23 56 53 62 268 -55 -21 7 0 -21 44 29 -20 47 55 -22 3 36 22 0 0 -21 9 38 23 56 46 61 267 -54 -20 50 53 -21 28 24 -20 31 46 -21 47 33 23 0 0 -20 53 15 23 56 39 60 266 -54 -20 34 29 -21 12 2 -20 15 21 -21 31 13 24 0 0 -20 36 37 23 56 31 59 265 -53 -20 17 49 -20 55 25 -19 58 40 -21 14 37 25 0 0 -20 19 42 23 56 24 58 265 -53 -20 0 54 -20 38 32 -19 41 43 -20 57 45 26 0 0 -20 2 32 23 56 17 58 264 -52 -19 43 42 -20 21 23 -19 24 30 -20 40 38 27 0 0 -19 45 7 23 56 10 57 263 -52 -19 26 16 -20 3 59 -19 7 3 -20 23 15 28 0 0 -19 27 27 23 56 3 56 263 -51 -19 8 34 -19 46 20 -18 49 20 -20 5 37 29 0 0 -19 9 31 23 55 56 55 262 -51 -18 50 37 -19 28 26 -18 31 21 -19 47 44 30 0 0 -18 51 21 23 55 49 54 262 -50 -18 32 26 -19 10 16 -18 13 9 -19 29 36 31 0 0 -18 32 56 23 55 42 53 261 -50 -18 14 0 -18 51 53 -17 54 42 -19 11 13 32 0 0 -18 14 17 23 55 35 52 261 -49 -17 55 19 -18 33 15 -17 36 0 -18 52 37 33 0 0 -17 55 24 23 55 28 51 260 -48 -17 36 25 -18 14 23 -17 17 5 -18 33 46 34 0 0 -17 36 17 23 55 22 50 260 -48 -17 17 17 -17 55 17 -16 57 56 -18 14 42 35 0 0 -17 16 57 23 55 15 49 259 -47 -16 57 56 -17 35 58 -16 38 33 -17 55 24 36 0 0 -16 57 23 23 55 9 48 259 -46 -16 38 22 -17 16 26 -16 18 58 -17 35 53 37 0 0 -16 37 37 23 55 2 47 258 -46 -16 18 34 -16 56 41 -15 59 9 -17 16 8 38 0 0 -16 17 38 23 54 56 46 258 -45 -15 58 34 -16 36 43 -15 39 8 -16 56 12 39 0 0 -15 57 28 23 54 50 45 258 -44 -15 38 22 -16 16 33 -15 18 55 -16 36 3 40 0 0 -15 37 5 23 54 43 44 257 -44 -15 17 59 -15 56 11 -14 58 30 -16 15 42 41 0 0 -15 16 30 23 54 37 43 257 -43 -14 57 23 -15 35 38 -14 37 54 -15 55 10 42 0 0 -14 55 45 23 54 31 42 256 -42 -14 36 37 -15 14 53 -14 17 7 -15 34 26 43 0 0 -14 34 48 23 54 25 41 256 -41 -14 15 39 -14 53 58 -13 56 8 -15 13 31 44 0 0 -14 13 41 23 54 20 40 256 -41 -13 54 31 -14 32 52 -13 35 0 -14 52 26 45 0 0 -13 52 24 23 54 14 39 255 -40 -13 33 14 -14 11 35 -13 13 41 -14 31 11 46 0 0 -13 30 57 23 54 8 38 255 -39 -13 11 46 -13 50 9 -12 52 12 -14 9 45 47 0 0 -13 9 21 23 54 3 37 255 -38 -12 50 9 -13 28 34 -12 30 35 -13 48 11 48 0 0 -12 47 36 23 53 57 36 255 -38 -12 28 23 -13 6 50 -12 8 48 -13 26 27 49 0 0 -12 25 43 23 53 52 35 254 -37 -12 6 29 -12 44 57 -11 46 54 -13 4 35 50 0 0 -12 3 41 23 53 47 34 254 -36 -11 44 27 -12 22 56 -11 24 51 -12 42 35 51 0 0 -11 41 32 23 53 42 33 254 -35 -11 22 18 -12 0 48 -11 2 41 -12 20 27 52 0 0 -11 19 16 23 53 37 32 253 -34 -11 0 1 -11 38 32 -10 40 23 -11 58 12 53 0 0 -10 56 53 23 53 32 31 253 -33 -10 37 37 -11 16 10 -10 17 59 -11 35 50 54 0 0 -10 34 24 23 53 28 30 253 -33 -10 15 8 -10 53 41 - 9 55 29 -11 13 22 55 0 0 -10 11 49 23 53 23 29 253 -32 - 9 52 32 -10 31 6 - 9 32 53 -10 50 48 56 0 0 - 9 49 8 23 53 19 28 253 -31 - 9 29 51 -10 8 26 - 9 10 12 -10 28 8 57 0 0 - 9 26 23 23 53 15 27 252 -30 - 9 7 6 - 9 45 41 - 8 47 26 -10 5 24 58 0 0 - 9 3 34 23 53 11 26 252 -29 - 8 44 16 - 9 22 52 - 8 24 36 - 9 42 35 59 0 0 - 8 40 40 23 53 7 25 252 -28 - 8 21 22 - 8 59 59 - 8 1 42 - 9 19 42 60 0 0 - 8 17 44 23 53 3 24 252 -27 - 7 58 26 - 8 37 3 - 7 38 45 - 8 56 45 61 0 0 - 7 54 44 23 52 59 23 252 -26 - 7 35 26 - 8 14 3 - 7 15 45 - 8 33 46 62 0 0 - 7 31 42 23 52 56 22 252 -26 - 7 12 24 - 7 51 1 - 6 52 43 - 8 10 45 63 0 0 - 7 8 39 23 52 53 21 251 -25 - 6 49 20 - 7 27 58 - 6 29 40 - 7 47 41 64 0 0 - 6 45 34 23 52 49 19 251 -24 - 6 26 16 - 7 4 53 - 6 6 35 - 7 24 36 65 0 0 - 6 22 28 23 52 46 18 251 -23 - 6 3 10 - 6 41 47 - 5 43 29 - 7 1 30 66 0 0 - 5 59 22 23 52 43 17 251 -22 - 5 40 4 - 6 18 41 - 5 20 24 - 6 38 24 67 0 0 - 5 36 17 23 52 41 16 251 -21 - 5 16 59 - 5 55 36 - 4 57 18 - 6 15 18 68 0 0 - 5 13 12 23 52 38 15 251 -20 - 4 53 54 - 5 32 31 - 4 34 14 - 5 52 13 69 0 0 - 4 50 9 23 52 36 14 251 -19 - 4 30 51 - 5 9 27 - 4 11 11 - 5 29 9 70 0 0 - 4 27 7 23 52 34 13 251 -18 - 4 7 50 - 4 46 25 - 3 48 11 - 5 6 7 71 0 0 - 4 4 8 23 52 32 12 251 -17 - 3 44 52 - 4 23 26 - 3 25 12 - 4 43 8 72 0 0 - 3 41 12 23 52 30 11 250 -16 - 3 21 56 - 4 0 30 - 3 2 17 - 4 20 11 73 0 0 - 3 18 20 23 52 28 10 250 -15 - 2 59 4 - 3 37 37 - 2 39 26 - 3 57 17 74 0 0 - 2 55 32 23 52 26 9 250 -14 - 2 36 16 - 3 14 48 - 2 16 38 - 3 34 28 75 0 0 - 2 32 48 23 52 25 8 250 -14 - 2 13 33 - 2 52 4 - 1 53 56 - 3 11 43 76 0 0 - 2 10 9 23 52 24 7 250 -13 - 1 50 55 - 2 29 24 - 1 31 18 - 2 49 3 77 0 0 - 1 47 36 23 52 23 6 250 -12 - 1 28 23 - 2 6 51 - 1 8 47 - 2 26 29 78 0 0 - 1 25 10 23 52 22 5 250 -11 - 1 5 57 - 1 44 23 - 0 46 21 - 2 4 1 79 0 0 - 1 2 50 23 52 21 4 250 -10 - 0 43 37 - 1 22 2 - 0 24 3 - 1 41 39 80 0 0 - 0 40 37 23 52 21 3 250 -9 - 0 21 25 - 0 59 49 - 0 1 52 - 1 19 25 81 0 0 - 0 18 32 23 52 21 1 250 -8 0 0 39 - 0 37 43 0 20 12 - 0 57 18 82 0 0 0 3 25 23 52 20 0 250 -7 0 22 35 - 0 15 45 0 42 7 - 0 35 20 Uncertainty in time = +/- 4 secs Prediction of 2012 Sep 27.0 Data for the target star ------------------------ * name: HIP 2017 * constellation : Cetus * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 00 25 36.6930 DE: -19 56 03.492 * position source: mpos:HIP2 pm:HIP2 plx:HIP2 * standard error: RA,DE ["]: ( .015, .010 ) * V mag [mag]: 7.8 * B mag [mag]: 8.3 * Diameter [mas]: 0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (977) Philippa approx. diameter [km]: 66 approx. diameter ["]: .040 distance from Earth [AU]: 2.26700 * orbital information: orbit source: Preston date of fit: 2012 Sep 07 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 851 number of rejected observations: 51 time covered by the observations: 1914 Dec 19 - 2012 Sep 03 1 sigma uncertainty ellipse (major, minor, PA): 0.030, 0.017, 63° remarks: * orbital elements for (977) Philippa : Mean anomaly = 208.16257914 deg Arg. of pericenter = 79.71818257 deg Long. of node = 75.88294103 deg Inclination = 15.20201657 deg Eccentricity = 0.02883276 Semimajor axis = 3.11439200 AU Perihelion dist = 3.02459549 AU Mag: H = 9.79, G = 0.15 Epoch of elements : MJD 56207.00000000 TDT (2012 Oct 07.000) ------ occelmnt file for Occult BEGIN ----------------------------------- 2012 Oct 7 977 Philippa 0h 0.6m UT 7.8 0 25 36.693-19 56 3.49HIP 2017 8.3 14.5 66 5.2 2.267 -1.955 -3.58 -9.8030 -19.933 176.80 -5.57 0.0107 0.01623 -0.12461 -7.10907 -0.92606 0.00062 0.00249 2000 206.9072942012 930.00000 79.718183 75.882941 15.2020170.02883276 3.1143920 3.0245955 9.7 5.00.15 RATE 1.7932640 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.033 0.019 68 1.51 0.021 0 0 0-2 056197.0020121007_P_2017 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2012 Sep 07, 22:28 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org