IOTA/IOTA-ES occultation update for (7875) 1991 ES1 / TYC 5019-00794-1 event on 2009 May 10, 18:43 UT Visible from Summary ------- On 2009 May 10 UT, the 35 km diameter asteroid (7875) 1991 ES1 will occult a 9.4 mag star in the constellation Serpens for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.5 mag to 16.9 mag (the magnitude of the asteroid) for at most 2.4 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: 21 * date and approx. time of event: 2009 May 10, 18:35 - 2009 May 10, 18:50 UT * magnitude of target star: 9.4 * magnitude drop [mag]: 7.5 * estimated maximum duration [s]: 2.4 * Moon: 97 % sunlit, 26° distance * Sun: 160° distance * rough path description: Additional comments ------------------- 10" double star The occultation path -------------------- * approximate projected width [km]: 35 * 1 sigma uncertainty interval [path widths]: +/- 3.22 * 1 sigma uncertainty interval [seconds]: +/- 9.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .089 +/- .074) * 1 sigma uncertainty ellipse (major, minor, PA): ( .089", .073", 99° ) * approx speed of asteroid's shadow [km/s]: 14.1542 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5019-00794-1 by 7875 1991 ES1 on 2009 May 10 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 - 2 0 0 15 13 31 18 50 17 1 91 -6 15 23 5 15 3 58 16 24 32 14 2 20 - 1 0 0 15 12 36 18 50 17 2 91 -7 15 22 9 15 3 3 16 23 37 14 1 25 0 0 0 15 11 18 18 50 17 3 91 -8 15 20 51 15 1 44 16 22 19 14 0 6 1 0 0 15 9 37 18 50 16 4 91 -9 15 19 10 15 0 3 16 20 39 13 58 24 2 0 0 15 7 33 18 50 16 5 92 -10 15 17 7 14 57 59 16 18 36 13 56 20 3 0 0 15 5 7 18 50 15 6 92 -10 15 14 40 14 55 33 16 16 11 13 53 52 4 0 0 15 2 18 18 50 14 7 92 -11 15 11 51 14 52 44 16 13 23 13 51 2 5 0 0 14 59 6 18 50 13 8 92 -12 15 8 40 14 49 32 16 10 12 13 47 48 6 0 0 14 55 31 18 50 12 9 93 -13 15 5 6 14 45 57 16 6 40 13 44 12 7 0 0 14 51 35 18 50 11 10 93 -14 15 1 9 14 42 0 16 2 45 13 40 14 8 0 0 14 47 15 18 50 10 10 93 -15 14 56 50 14 37 40 15 58 27 13 35 53 9 0 0 14 42 33 18 50 8 11 93 -16 14 52 8 14 32 58 15 53 48 13 31 9 10 0 0 14 37 29 18 50 7 12 94 -17 14 47 5 14 27 54 15 48 46 13 26 2 11 0 0 14 32 3 18 50 5 13 94 -18 14 41 39 14 22 27 15 43 22 13 20 34 12 0 0 14 26 14 18 50 3 14 94 -19 14 35 50 14 16 38 15 37 36 13 14 42 13 0 0 14 20 4 18 50 1 15 94 -20 14 29 40 14 10 27 15 31 28 13 8 29 14 0 0 14 13 31 18 49 59 16 95 -21 14 23 8 14 3 54 15 24 58 13 1 53 15 0 0 14 6 36 18 49 57 17 95 -21 14 16 13 13 56 59 15 18 6 12 54 55 16 0 0 13 59 20 18 49 55 18 95 -22 14 8 57 13 49 42 15 10 53 12 47 36 17 0 0 13 51 41 18 49 52 19 95 -23 14 1 19 13 42 3 15 3 18 12 39 54 18 0 0 13 43 41 18 49 50 20 96 -24 13 53 19 13 34 2 14 55 21 12 31 50 19 0 0 13 35 19 18 49 47 21 96 -25 13 44 58 13 25 40 14 47 3 12 23 25 20 0 0 13 26 36 18 49 44 22 96 -26 13 36 15 13 16 56 14 38 23 12 14 37 21 0 0 13 17 31 18 49 41 23 96 -27 13 27 11 13 7 50 14 29 22 12 5 29 22 0 0 13 8 4 18 49 38 24 96 -28 13 17 45 12 58 24 14 20 0 11 55 58 23 0 0 12 58 17 18 49 35 25 97 -29 13 7 58 12 48 36 14 10 17 11 46 7 24 0 0 12 48 8 18 49 32 26 97 -30 12 57 50 12 38 26 14 0 12 11 35 54 25 0 0 12 37 39 18 49 28 27 97 -31 12 47 21 12 27 56 13 49 47 11 25 20 26 0 0 12 26 48 18 49 25 28 97 -32 12 36 31 12 17 5 13 39 1 11 14 25 27 0 0 12 15 37 18 49 21 29 97 -32 12 25 20 12 5 53 13 27 54 11 3 9 28 0 0 12 4 5 18 49 17 30 97 -33 12 13 49 11 54 21 13 16 27 10 51 32 29 0 0 11 52 12 18 49 13 31 98 -34 12 1 57 11 42 27 13 4 39 10 39 35 30 0 0 11 40 0 18 49 9 32 98 -35 11 49 45 11 30 14 12 52 31 10 27 17 31 0 0 11 27 27 18 49 5 33 98 -36 11 37 13 11 17 40 12 40 3 10 14 39 32 0 0 11 14 33 18 49 1 34 98 -37 11 24 20 11 4 46 12 27 15 10 1 41 33 0 0 11 1 20 18 48 56 35 98 -38 11 11 8 10 51 33 12 14 7 9 48 23 34 0 0 10 47 48 18 48 52 36 98 -39 10 57 36 10 37 59 12 0 39 9 34 45 35 0 0 10 33 55 18 48 47 37 98 -40 10 43 44 10 24 6 11 46 52 9 20 48 36 0 0 10 19 44 18 48 42 38 99 -41 10 29 33 10 9 54 11 32 45 9 6 31 37 0 0 10 5 13 18 48 37 39 99 -42 10 15 3 9 55 22 11 18 20 8 51 55 38 0 0 9 50 23 18 48 32 40 99 -43 10 0 14 9 40 32 11 3 35 8 36 59 39 0 0 9 35 14 18 48 27 41 99 -44 9 45 6 9 25 22 10 48 32 8 21 45 40 0 0 9 19 47 18 48 22 42 99 -45 9 29 39 9 9 54 10 33 10 8 6 13 41 0 0 9 4 1 18 48 17 43 99 -45 9 13 54 8 54 8 10 17 30 7 50 22 42 0 0 8 47 57 18 48 11 44 99 -46 8 57 51 8 38 3 10 1 31 7 34 12 43 0 0 8 31 36 18 48 6 45 99 -47 8 41 30 8 21 41 9 45 15 7 17 45 44 0 0 8 14 56 18 48 0 46 99 -48 8 24 52 8 5 1 9 28 41 7 1 0 45 0 0 7 58 0 18 47 54 47 99 -49 8 7 56 7 48 3 9 11 50 6 43 58 46 0 0 7 40 46 18 47 49 48 99 -50 7 50 43 7 30 49 8 54 41 6 26 39 47 0 0 7 23 15 18 47 43 49 99 -51 7 33 13 7 13 17 8 37 16 6 9 3 48 0 0 7 5 28 18 47 37 50 99 -52 7 15 26 6 55 29 8 19 34 5 51 10 49 0 0 6 47 24 18 47 30 51 99 -53 6 57 23 6 37 25 8 1 36 5 33 1 50 0 0 6 29 4 18 47 24 52 99 -54 6 39 4 6 19 4 7 43 21 5 14 35 51 0 0 6 10 29 18 47 18 53 99 -55 6 20 29 6 0 28 7 24 51 4 55 55 52 0 0 5 51 38 18 47 11 54 99 -56 6 1 39 5 41 36 7 6 5 4 36 58 53 0 0 5 32 32 18 47 5 55 99 -57 5 42 34 5 22 30 6 47 5 4 17 47 54 0 0 5 13 11 18 46 58 56 98 -57 5 23 14 5 3 8 6 27 49 3 58 21 55 0 0 4 53 36 18 46 51 57 98 -58 5 3 39 4 43 32 6 8 19 3 38 41 56 0 0 4 33 47 18 46 45 58 98 -59 4 43 50 4 23 42 5 48 35 3 18 47 57 0 0 4 13 44 18 46 38 59 98 -60 4 23 48 4 3 39 5 28 37 2 58 39 58 0 0 3 53 27 18 46 31 60 97 -61 4 3 32 3 43 22 5 8 25 2 38 17 59 0 0 3 32 58 18 46 24 61 97 -62 3 43 4 3 22 52 4 48 1 2 17 43 60 0 0 3 12 16 18 46 17 62 97 -63 3 22 22 3 2 9 4 27 23 1 56 57 61 0 0 2 51 22 18 46 9 63 96 -64 3 1 29 2 41 15 4 6 34 1 35 58 62 0 0 2 30 16 18 46 2 64 96 -65 2 40 24 2 20 8 3 45 32 1 14 47 63 0 0 2 8 59 18 45 55 65 95 -65 2 19 7 1 58 50 3 24 19 0 53 26 64 0 0 1 47 30 18 45 47 66 95 -66 1 57 39 1 37 21 3 2 55 0 31 53 65 0 0 1 25 51 18 45 40 67 94 -67 1 36 1 1 15 42 2 41 20 0 10 10 66 0 0 1 4 2 18 45 32 68 94 -68 1 14 12 0 53 52 2 19 35 - 0 11 43 67 0 0 0 42 4 18 45 25 69 93 -69 0 52 14 0 31 53 1 57 41 - 0 33 46 68 0 0 0 19 56 18 45 17 70 92 -69 0 30 7 0 9 44 1 35 36 - 0 55 57 69 0 0 - 0 2 21 18 45 9 71 91 -70 0 7 50 - 0 12 33 1 13 23 - 1 18 18 70 0 0 - 0 24 46 18 45 2 72 90 -71 - 0 14 34 - 0 34 58 0 51 2 - 1 40 46 71 0 0 - 0 47 19 18 44 54 73 89 -72 - 0 37 7 - 0 57 32 0 28 32 - 2 3 23 72 0 0 - 1 9 59 18 44 46 74 87 -72 - 0 59 47 - 1 20 12 0 5 55 - 2 26 6 73 0 0 - 1 32 47 18 44 38 75 86 -73 - 1 22 34 - 1 43 0 - 0 16 50 - 2 48 56 74 0 0 - 1 55 40 18 44 30 75 84 -74 - 1 45 27 - 2 5 54 - 0 39 41 - 3 11 53 75 0 0 - 2 18 40 18 44 22 76 82 -74 - 2 8 26 - 2 28 54 - 1 2 38 - 3 34 55 76 0 0 - 2 41 45 18 44 14 77 80 -75 - 2 31 31 - 2 52 0 - 1 25 40 - 3 58 3 77 0 0 - 3 4 55 18 44 6 78 77 -75 - 2 54 41 - 3 15 10 - 1 48 48 - 4 21 15 78 0 0 - 3 28 10 18 43 58 79 74 -76 - 3 17 55 - 3 38 25 - 2 12 0 - 4 44 32 79 0 0 - 3 51 28 18 43 50 80 71 -76 - 3 41 13 - 4 1 43 - 2 35 17 - 5 7 52 80 0 0 - 4 14 50 18 43 42 80 66 -76 - 4 4 35 - 4 25 6 - 2 58 37 - 5 31 16 81 0 0 - 4 38 15 18 43 34 81 62 -77 - 4 27 59 - 4 48 31 - 3 22 0 - 5 54 42 82 0 0 - 5 1 42 18 43 26 82 56 -77 - 4 51 26 - 5 11 58 - 3 45 26 - 6 18 11 83 0 0 - 5 25 11 18 43 17 82 49 -77 - 5 14 55 - 5 35 27 - 4 8 54 - 6 41 41 84 0 0 - 5 48 42 18 43 9 83 42 -77 - 5 38 26 - 5 58 58 - 4 32 24 - 7 5 13 85 0 0 - 6 12 13 18 43 1 83 34 -77 - 6 1 57 - 6 22 30 - 4 55 55 - 7 28 45 86 0 0 - 6 35 45 18 42 53 83 25 -77 - 6 25 29 - 6 46 2 - 5 19 26 - 7 52 17 87 0 0 - 6 59 17 18 42 45 83 16 -76 - 6 49 1 - 7 9 33 - 5 42 57 - 8 15 50 88 0 0 - 7 22 48 18 42 37 83 8 -76 - 7 12 32 - 7 33 4 - 6 6 28 - 8 39 21 89 0 0 - 7 46 18 18 42 29 83 360 -76 - 7 36 1 - 7 56 34 - 6 29 58 - 9 2 51 90 0 0 - 8 9 46 18 42 20 82 353 -75 - 7 59 29 - 8 20 2 - 6 53 26 - 9 26 18 91 0 0 - 8 33 12 18 42 12 82 347 -75 - 8 22 55 - 8 43 28 - 7 16 52 - 9 49 44 92 0 0 - 8 56 35 18 42 4 81 341 -74 - 8 46 19 - 9 6 51 - 7 40 16 -10 13 7 93 0 0 - 9 19 55 18 41 56 80 336 -74 - 9 9 39 - 9 30 11 - 8 3 37 -10 36 26 94 0 0 - 9 43 11 18 41 48 80 332 -73 - 9 32 55 - 9 53 27 - 8 26 54 -10 59 41 95 0 0 -10 6 23 18 41 40 79 329 -72 - 9 56 8 -10 16 39 - 8 50 8 -11 22 52 96 0 0 -10 29 31 18 41 32 78 326 -72 -10 19 15 -10 39 46 - 9 13 16 -11 45 58 97 0 0 -10 52 33 18 41 24 77 323 -71 -10 42 18 -11 2 48 - 9 36 20 -12 8 59 98 0 0 -11 15 29 18 41 16 76 321 -70 -11 5 14 -11 25 45 - 9 59 18 -12 31 53 99 0 0 -11 38 20 18 41 9 75 319 -69 -11 28 5 -11 48 35 -10 22 11 -12 54 42 100 0 0 -12 1 3 18 41 1 74 317 -69 -11 50 49 -12 11 18 -10 44 57 -13 17 24 101 0 0 -12 23 40 18 40 53 73 315 -68 -12 13 26 -12 33 55 -11 7 36 -13 39 58 102 0 0 -12 46 9 18 40 45 72 314 -67 -12 35 55 -12 56 23 -11 30 7 -14 2 24 103 0 0 -13 8 30 18 40 38 72 312 -66 -12 58 17 -13 18 44 -11 52 31 -14 24 43 104 0 0 -13 30 43 18 40 30 71 311 -66 -13 20 30 -13 40 56 -12 14 46 -14 46 53 105 0 0 -13 52 47 18 40 23 70 310 -65 -13 42 34 -14 3 0 -12 36 53 -15 8 54 106 0 0 -14 14 41 18 40 15 69 309 -64 -14 4 29 -14 24 54 -12 58 51 -15 30 45 107 0 0 -14 36 26 18 40 8 68 308 -63 -14 26 14 -14 46 38 -13 20 39 -15 52 26 108 0 0 -14 58 1 18 40 1 67 307 -62 -14 47 49 -15 8 12 -13 42 17 -16 13 57 109 0 0 -15 19 25 18 39 53 66 306 -61 -15 9 14 -15 29 36 -14 3 45 -16 35 18 110 0 0 -15 40 38 18 39 46 65 305 -60 -15 30 27 -15 50 48 -14 25 2 -16 56 27 111 0 0 -16 1 40 18 39 39 64 304 -60 -15 51 30 -16 11 50 -14 46 7 -17 17 25 112 0 0 -16 22 30 18 39 32 63 304 -59 -16 12 20 -16 32 39 -15 7 1 -17 38 11 113 0 0 -16 43 8 18 39 25 62 303 -58 -16 32 59 -16 53 17 -15 27 44 -17 58 45 114 0 0 -17 3 33 18 39 18 61 302 -57 -16 53 25 -17 13 42 -15 48 13 -18 19 6 115 0 0 -17 23 46 18 39 11 60 302 -56 -17 13 38 -17 33 54 -16 8 31 -18 39 14 116 0 0 -17 43 46 18 39 5 59 301 -55 -17 33 39 -17 53 53 -16 28 35 -18 59 9 117 0 0 -18 3 32 18 38 58 58 300 -54 -17 53 25 -18 13 38 -16 48 26 -19 18 51 118 0 0 -18 23 4 18 38 51 57 300 -53 -18 12 58 -18 33 10 -17 8 3 -19 38 18 119 0 0 -18 42 22 18 38 45 56 299 -52 -18 32 17 -18 52 28 -17 27 26 -19 57 32 120 0 0 -19 1 26 18 38 39 55 299 -52 -18 51 22 -19 11 31 -17 46 35 -20 16 31 121 0 0 -19 20 16 18 38 32 54 298 -51 -19 10 12 -19 30 20 -18 5 29 -20 35 15 122 0 0 -19 38 50 18 38 26 53 298 -50 -19 28 47 -19 48 53 -18 24 8 -20 53 44 123 0 0 -19 57 9 18 38 20 52 297 -49 -19 47 7 -20 7 11 -18 42 33 -21 11 58 124 0 0 -20 15 12 18 38 14 51 297 -48 -20 5 11 -20 25 14 -19 0 41 -21 29 56 125 0 0 -20 33 0 18 38 8 50 296 -47 -20 22 59 -20 43 1 -19 18 34 -21 47 38 126 0 0 -20 50 32 18 38 2 49 296 -46 -20 40 32 -21 0 32 -19 36 12 -22 5 5 127 0 0 -21 7 47 18 37 57 49 295 -45 -20 57 48 -21 17 47 -19 53 32 -22 22 15 128 0 0 -21 24 46 18 37 51 48 295 -44 -21 14 48 -21 34 45 -20 10 37 -22 39 8 129 0 0 -21 41 29 18 37 45 47 294 -44 -21 31 31 -21 51 27 -20 27 25 -22 55 45 130 0 0 -21 57 54 18 37 40 46 294 -43 -21 47 57 -22 7 52 -20 43 56 -23 12 5 131 0 0 -22 14 3 18 37 35 45 293 -42 -22 4 6 -22 23 59 -21 0 10 -23 28 8 132 0 0 -22 29 54 18 37 30 44 293 -41 -22 19 58 -22 39 50 -21 16 6 -23 43 53 133 0 0 -22 45 27 18 37 24 43 292 -40 -22 35 32 -22 55 23 -21 31 45 -23 59 21 134 0 0 -23 0 43 18 37 19 42 292 -39 -22 50 49 -23 10 38 -21 47 7 -24 14 32 135 0 0 -23 15 41 18 37 15 41 291 -38 -23 5 48 -23 25 35 -22 2 10 -24 29 24 136 0 0 -23 30 22 18 37 10 40 291 -37 -23 20 29 -23 40 15 -22 16 56 -24 43 59 137 0 0 -23 44 44 18 37 5 39 290 -37 -23 34 52 -23 54 36 -22 31 24 -24 58 15 138 0 0 -23 58 47 18 37 0 38 290 -36 -23 48 56 -24 8 39 -22 45 33 -25 12 14 139 0 0 -24 12 33 18 36 56 37 289 -35 -24 2 42 -24 22 24 -22 59 24 -25 25 53 140 0 0 -24 26 0 18 36 52 36 289 -34 -24 16 10 -24 35 50 -23 12 56 -25 39 15 141 0 0 -24 39 8 18 36 47 35 288 -33 -24 29 19 -24 48 57 -23 26 9 -25 52 18 142 0 0 -24 51 57 18 36 43 35 288 -32 -24 42 9 -25 1 46 -23 39 4 -26 5 2 143 0 0 -25 4 28 18 36 39 34 287 -31 -24 54 40 -25 14 15 -23 51 40 -26 17 27 144 0 0 -25 16 39 18 36 35 33 287 -30 -25 6 52 -25 26 26 -24 3 56 -26 29 33 145 0 0 -25 28 31 18 36 31 32 287 -30 -25 18 45 -25 38 18 -24 15 54 -26 41 20 146 0 0 -25 40 4 18 36 28 31 286 -29 -25 30 19 -25 49 50 -24 27 32 -26 52 48 147 0 0 -25 51 18 18 36 24 30 286 -28 -25 41 33 -26 1 3 -24 38 51 -27 3 57 148 0 0 -26 2 13 18 36 20 29 285 -27 -25 52 28 -26 11 57 -24 49 50 -27 14 46 149 0 0 -26 12 48 18 36 17 28 285 -26 -26 3 4 -26 22 31 -25 0 30 -27 25 17 150 0 0 -26 23 3 18 36 14 27 284 -25 -26 13 20 -26 32 46 -25 10 50 -27 35 27 151 0 0 -26 32 59 18 36 10 26 284 -24 -26 23 16 -26 42 41 -25 20 50 -27 45 18 152 0 0 -26 42 35 18 36 7 26 283 -24 -26 32 53 -26 52 17 -25 30 31 -27 54 50 153 0 0 -26 51 51 18 36 4 25 283 -23 -26 42 10 -27 1 33 -25 39 52 -28 4 2 154 0 0 -27 0 48 18 36 1 24 282 -22 -26 51 7 -27 10 29 -25 48 53 -28 12 54 155 0 0 -27 9 25 18 35 59 23 282 -21 -26 59 45 -27 19 5 -25 57 33 -28 21 27 156 0 0 -27 17 41 18 35 56 22 281 -20 -27 8 2 -27 27 21 -26 5 54 -28 29 39 157 0 0 -27 25 38 18 35 53 21 281 -19 -27 15 59 -27 35 17 -26 13 55 -28 37 32 158 0 0 -27 33 15 18 35 51 20 281 -19 -27 23 36 -27 42 53 -26 21 35 -28 45 5 159 0 0 -27 40 31 18 35 48 19 280 -18 -27 30 53 -27 50 10 -26 28 56 -28 52 18 160 0 0 -27 47 28 18 35 46 18 280 -17 -27 37 51 -27 57 6 -26 35 56 -28 59 11 161 0 0 -27 54 4 18 35 44 18 279 -16 -27 44 27 -28 3 42 -26 42 35 -29 5 44 162 0 0 -28 0 21 18 35 42 17 279 -15 -27 50 44 -28 9 57 -26 48 55 -29 11 57 163 0 0 -28 6 16 18 35 40 16 278 -14 -27 56 40 -28 15 53 -26 54 54 -29 17 50 164 0 0 -28 11 52 18 35 38 15 278 -14 -28 2 16 -28 21 28 -27 0 32 -29 23 22 165 0 0 -28 17 7 18 35 36 14 277 -13 -28 7 32 -28 26 43 -27 5 50 -29 28 35 166 0 0 -28 22 2 18 35 35 13 277 -12 -28 12 27 -28 31 38 -27 10 48 -29 33 27 167 0 0 -28 26 37 18 35 33 12 276 -11 -28 17 2 -28 36 12 -27 15 25 -29 37 59 168 0 0 -28 30 51 18 35 32 11 276 -10 -28 21 17 -28 40 26 -27 19 41 -29 42 11 169 0 0 -28 34 45 18 35 31 10 275 -9 -28 25 11 -28 44 19 -27 23 37 -29 46 2 170 0 0 -28 38 18 18 35 29 10 275 -9 -28 28 44 -28 47 52 -27 27 12 -29 49 34 171 0 0 -28 41 31 18 35 28 9 274 -8 -28 31 57 -28 51 4 -27 30 27 -29 52 45 172 0 0 -28 44 23 18 35 27 8 274 -7 -28 34 49 -28 53 56 -27 33 21 -29 55 35 173 0 0 -28 46 54 18 35 26 7 273 -6 -28 37 21 -28 56 28 -27 35 54 -29 58 5 174 0 0 -28 49 5 18 35 26 6 273 -5 -28 39 32 -28 58 39 -27 38 6 -30 0 15 175 0 0 -28 50 56 18 35 25 5 272 -4 -28 41 23 -29 0 29 -27 39 57 -30 2 4 176 0 0 -28 52 25 18 35 24 4 272 -4 -28 42 52 -29 1 58 -27 41 28 -30 3 33 177 0 0 -28 53 34 18 35 24 3 271 -3 -28 44 2 -29 3 7 -27 42 37 -30 4 41 178 0 0 -28 54 22 18 35 23 3 271 -2 -28 44 50 -29 3 55 -27 43 26 -30 5 29 179 0 0 -28 54 50 18 35 23 2 271 -1 -28 45 17 -29 4 23 -27 43 54 -30 5 56 180 0 0 -28 54 57 18 35 23 1 270 0 -28 45 24 -29 4 29 -27 44 1 -30 6 3 Uncertainty in time = +/- 10 secs [Prediction of 2008 Apr 25.0] Data for the target star ------------------------ * name: TYC 5019-00794-1 * constellation : Serpens * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 15 52 44.6594 DE: -00 21 11.465 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .024, .021 ) * V mag [mag]: 9.4 * B mag [mag]: 10.6 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (7875) 1991 ES1 approx. diameter [km]: 35 approx. diameter ["]: .023 distance from Earth [AU]: 2.12700 * orbital information: orbit source: Preston date of fit: 2008 Apr 24 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 703 number of rejected observations: 8 time covered by the observations: 1989 Sep 30 - 2008 Mar 12 1 sigma uncertainty ellipse (major, minor, PA): 0.086, 0.070, 100° remarks: * orbital elements for (7875) 1991 ES1 : Mean anomaly = 157.96999539 deg Arg. of pericenter = 264.76342049 deg Long. of node = 165.51017027 deg Inclination = 14.15272380 deg Eccentricity = 0.18032845 Semimajor axis = 2.64253972 AU Perihelion dist = 2.16601462 AU Mag: H = 12.19, G = 0.15 Epoch of elements : MJD 54961.78000000 TDT (2009 May 10.780) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 May 10 7875 1991 ES1 18h 42.8m UT 9.4 15 52 44.659- 0 21 11.46TYC 5019-00794-1 10.6 16.9 35 2.4 2.127 -2.043 12.34 88.7810 -0.357 -101.61 17.80 18.7139 -0.04421 -0.10987 -7.41033 2.98516 -0.00100 -0.00169 2000 157.5615892009 5 9.00000264.763420165.510170 14.1527240.18032845 2.6425397 2.166014612.3 5.00.15 RATE 2.2944140 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.089 0.073 99 4.22 0.073 0 54581.5020090510_0794-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Apr 25, 06:47 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org