IOTA/IOTA-ES occultation update for (9) Metis / TYC 6858-00340-1 event on 2007 Apr 14, 22:25 UT Visible from E Africa Summary ------- On 2007 Apr 14 UT, the 210 km diameter asteroid (9) Metis will occult a 7.6 mag star in the constellation Sagittarius for observers along a path across E Africa. In the case of an occultation, the combined light of the asteroid and the star will drop by 3.5 mag to 11.1 mag (the magnitude of the asteroid) for at most 26.1 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: 99 * date and approx. time of event: 2007 Apr 14, 22:12 - 2007 Apr 14, 22:38 UT * midpoint of event [JD]: 2454205.43449583 * magnitude of target star: 7.6 * magnitude drop [mag]: 3.5 * estimated maximum duration [s]: 26.1 * Moon: 10 % sunlit, 71° distance * Sun: 107° distance * rough path description: E Africa The occultation path -------------------- * approximate projected width [km]: 210 * 1 sigma uncertainty interval [path widths]: +/- 0.19 * 1 sigma uncertainty interval [seconds]: +/- 4.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .025 +/- .025) * 1 sigma uncertainty ellipse (major, minor, PA): ( .025", .025", 1° ) * approx speed of asteroid's shadow [km/s]: 8.0368 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6858-00340-1 by 9 Metis on 2007 Apr 14 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 17 0 0 8 17 2 22 12 26 0 114 -70 7 14 18 9 19 41 6 50 26 .. .. .. 18 0 0 7 49 40 22 12 27 2 115 -71 6 46 50 8 52 25 6 22 56 9 16 15 19 0 0 7 22 1 22 12 27 3 115 -71 6 19 5 8 24 52 5 55 9 8 48 45 20 0 0 6 54 6 22 12 28 4 115 -72 5 51 4 7 57 3 5 27 6 8 20 58 21 0 0 6 25 55 22 12 29 5 115 -73 5 22 48 7 28 58 4 58 47 7 52 55 22 0 0 5 57 30 22 12 31 6 115 -74 4 54 17 7 0 38 4 30 14 7 24 37 23 0 0 5 28 50 22 12 32 7 115 -75 4 25 32 6 32 3 4 1 27 6 56 4 24 0 0 4 59 56 22 12 35 8 115 -75 3 56 33 6 3 15 3 32 26 6 27 17 25 0 0 4 30 49 22 12 37 9 115 -76 3 27 21 5 34 13 3 3 13 5 58 17 26 0 0 4 1 30 22 12 40 10 115 -76 2 57 58 5 4 58 2 33 47 5 29 4 27 0 0 3 31 59 22 12 42 12 115 -77 2 28 22 4 35 32 2 4 11 4 59 39 28 0 0 3 2 18 22 12 46 13 116 -77 1 58 37 4 5 54 1 34 23 4 30 3 29 0 0 2 32 26 22 12 49 14 116 -78 1 28 41 3 36 6 1 4 26 4 0 17 30 0 0 2 2 25 22 12 53 15 116 -78 0 58 36 3 6 8 0 34 20 3 30 20 31 0 0 1 32 15 22 12 57 16 116 -78 0 28 23 2 36 2 0 4 6 3 0 15 32 0 0 1 1 57 22 13 2 17 116 -78 - 0 1 57 2 5 47 - 0 26 16 2 30 2 33 0 0 0 31 33 22 13 7 18 116 -78 - 0 32 24 1 35 25 - 0 56 44 1 59 41 34 0 0 0 1 2 22 13 12 19 116 -78 - 1 2 57 1 4 57 - 1 27 18 1 29 14 35 0 0 - 0 29 33 22 13 17 21 116 -78 - 1 33 35 0 34 24 - 1 57 56 0 58 41 36 0 0 - 1 0 14 22 13 23 22 116 -77 - 2 4 17 0 3 45 - 2 28 39 0 28 3 37 0 0 - 1 30 57 22 13 29 23 116 -77 - 2 35 2 - 0 26 57 - 2 59 24 - 0 2 38 38 0 0 - 2 1 43 22 13 35 24 116 -76 - 3 5 49 - 0 57 42 - 3 30 12 - 0 33 23 39 0 0 - 2 32 31 22 13 42 25 116 -76 - 3 36 37 - 1 28 29 - 4 1 0 - 1 4 10 40 0 0 - 3 3 19 22 13 49 26 115 -75 - 4 7 26 - 1 59 17 - 4 31 49 - 1 34 57 41 0 0 - 3 34 8 22 13 56 27 115 -74 - 4 38 14 - 2 30 5 - 5 2 38 - 2 5 46 42 0 0 - 4 4 55 22 14 4 29 115 -74 - 5 9 1 - 3 0 52 - 5 33 24 - 2 36 33 43 0 0 - 4 35 40 22 14 11 30 115 -73 - 5 39 46 - 3 31 38 - 6 4 8 - 3 7 19 44 0 0 - 5 6 22 22 14 19 31 115 -72 - 6 10 27 - 4 2 21 - 6 34 49 - 3 38 2 45 0 0 - 5 37 0 22 14 28 32 115 -71 - 6 41 3 - 4 33 0 - 7 5 25 - 4 8 42 46 0 0 - 6 7 33 22 14 36 33 115 -70 - 7 11 35 - 5 3 35 - 7 35 56 - 4 39 18 47 0 0 - 6 38 1 22 14 45 34 115 -69 - 7 42 0 - 5 34 5 - 8 6 21 - 5 9 48 48 0 0 - 7 8 21 22 14 54 36 115 -68 - 8 12 19 - 6 4 28 - 8 36 38 - 5 40 12 49 0 0 - 7 38 34 22 15 4 37 115 -67 - 8 42 29 - 6 34 44 - 9 6 48 - 6 10 29 50 0 0 - 8 8 39 22 15 13 38 114 -67 - 9 12 31 - 7 4 51 - 9 36 48 - 6 40 38 51 0 0 - 8 38 34 22 15 23 39 114 -66 - 9 42 22 - 7 34 50 -10 6 38 - 7 10 37 52 0 0 - 9 8 19 22 15 33 40 114 -65 -10 12 4 - 8 4 39 -10 36 18 - 7 40 27 53 0 0 - 9 37 53 22 15 43 41 114 -64 -10 41 33 - 8 34 16 -11 5 46 - 8 10 7 54 0 0 -10 7 15 22 15 54 42 114 -62 -11 10 51 - 9 3 43 -11 35 2 - 8 39 34 55 0 0 -10 36 24 22 16 5 44 113 -61 -11 39 55 - 9 32 56 -12 4 5 - 9 8 50 56 0 0 -11 5 19 22 16 16 45 113 -60 -12 8 45 -10 1 56 -12 32 53 - 9 37 52 57 0 0 -11 34 0 22 16 27 46 113 -59 -12 37 21 -10 30 42 -13 1 26 -10 6 40 58 0 0 -12 2 25 22 16 38 47 113 -58 -13 5 41 -10 59 13 -13 29 44 -10 35 13 59 0 0 -12 30 35 22 16 49 48 112 -57 -13 33 45 -11 27 28 -13 57 46 -11 3 30 60 0 0 -12 58 28 22 17 1 49 112 -56 -14 1 31 -11 55 27 -14 25 30 -11 31 31 61 0 0 -13 26 3 22 17 13 50 112 -55 -14 29 1 -12 23 9 -14 52 57 -11 59 15 62 0 0 -13 53 20 22 17 25 51 112 -54 -14 56 11 -12 50 32 -15 20 5 -12 26 41 63 0 0 -14 20 19 22 17 37 52 111 -53 -15 23 3 -13 17 38 -15 46 54 -12 53 49 64 0 0 -14 46 58 22 17 49 54 111 -52 -15 49 35 -13 44 23 -16 13 24 -13 20 37 65 0 0 -15 13 17 22 18 2 55 111 -51 -16 15 47 -14 10 49 -16 39 33 -13 47 6 66 0 0 -15 39 15 22 18 14 56 110 -50 -16 41 38 -14 36 55 -17 5 21 -14 13 14 67 0 0 -16 4 52 22 18 27 57 110 -49 -17 7 7 -15 2 39 -17 30 47 -14 39 1 68 0 0 -16 30 7 22 18 40 58 109 -48 -17 32 15 -15 28 2 -17 55 52 -15 4 27 69 0 0 -16 55 0 22 18 53 59 109 -47 -17 57 0 -15 53 3 -18 20 34 -15 29 30 70 0 0 -17 19 30 22 19 6 60 109 -46 -18 21 22 -16 17 41 -18 44 54 -15 54 11 71 0 0 -17 43 37 22 19 19 61 108 -45 -18 45 21 -16 41 56 -19 8 50 -16 18 29 72 0 0 -18 7 20 22 19 32 62 108 -44 -19 8 56 -17 5 47 -19 32 22 -16 42 24 73 0 0 -18 30 40 22 19 45 63 107 -43 -19 32 8 -17 29 14 -19 55 30 -17 5 54 74 0 0 -18 53 34 22 19 59 64 107 -42 -19 54 54 -17 52 17 -20 18 13 -17 29 0 75 0 0 -19 16 4 22 20 12 65 106 -41 -20 17 16 -18 14 55 -20 40 32 -17 51 41 76 0 0 -19 38 9 22 20 25 67 106 -40 -20 39 12 -18 37 8 -21 2 25 -18 13 58 77 0 0 -19 59 49 22 20 39 68 105 -39 -21 0 43 -18 58 56 -21 23 53 -18 35 48 78 0 0 -20 21 2 22 20 52 69 105 -38 -21 21 48 -19 20 18 -21 44 55 -18 57 13 79 0 0 -20 41 50 22 21 6 70 104 -37 -21 42 28 -19 41 14 -22 5 31 -19 18 12 80 0 0 -21 2 11 22 21 20 71 103 -36 -22 2 40 -20 1 43 -22 25 40 -19 38 45 81 0 0 -21 22 5 22 21 33 72 103 -35 -22 22 27 -20 21 46 -22 45 24 -19 58 51 82 0 0 -21 41 33 22 21 47 73 102 -34 -22 41 47 -20 41 22 -23 4 40 -20 18 30 83 0 0 -22 0 34 22 22 1 74 101 -33 -23 0 39 -21 0 31 -23 23 30 -20 37 42 84 0 0 -22 19 8 22 22 14 75 101 -32 -23 19 5 -21 19 13 -23 41 53 -20 56 28 85 0 0 -22 37 15 22 22 28 76 100 -31 -23 37 4 -21 37 28 -23 59 48 -21 14 45 86 0 0 -22 54 54 22 22 42 77 99 -30 -23 54 35 -21 55 15 -24 17 16 -21 32 36 87 0 0 -23 12 6 22 22 55 78 98 -29 -24 11 39 -22 12 35 -24 34 17 -21 49 58 88 0 0 -23 28 50 22 23 9 79 96 -28 -24 28 15 -22 29 27 -24 50 51 -22 6 53 89 0 0 -23 45 7 22 23 23 80 95 -27 -24 44 24 -22 45 51 -25 6 57 -22 23 20 90 0 0 -24 0 55 22 23 37 81 94 -26 -25 0 5 -23 1 47 -25 22 35 -22 39 19 91 0 0 -24 16 16 22 23 50 82 92 -25 -25 15 19 -23 17 15 -25 37 45 -22 54 50 92 0 0 -24 31 9 22 24 4 83 90 -24 -25 30 4 -23 32 15 -25 52 28 -23 9 53 93 0 0 -24 45 34 22 24 18 84 87 -23 -25 44 22 -23 46 47 -26 6 43 -23 24 27 94 0 0 -24 59 31 22 24 31 84 83 -22 -25 58 12 -24 0 51 -26 20 31 -23 38 34 95 0 0 -25 13 0 22 24 45 85 78 -21 -26 11 34 -24 14 27 -26 33 50 -23 52 12 96 0 0 -25 26 0 22 24 58 86 71 -20 -26 24 28 -24 27 34 -26 46 42 -24 5 22 97 0 0 -25 38 33 22 25 12 87 60 -19 -26 36 55 -24 40 13 -26 59 6 -24 18 3 98 0 0 -25 50 38 22 25 25 87 41 -18 -26 48 53 -24 52 24 -27 11 2 -24 30 17 99 0 0 -26 2 14 22 25 39 87 13 -17 -27 0 24 -25 4 7 -27 22 30 -24 42 2 100 0 0 -26 13 23 22 25 52 87 344 -16 -27 11 27 -25 15 21 -27 33 31 -24 53 18 101 0 0 -26 24 4 22 26 5 87 324 -15 -27 22 1 -25 26 7 -27 44 4 -25 4 6 102 0 0 -26 34 16 22 26 19 86 312 -14 -27 32 9 -25 36 25 -27 54 9 -25 14 26 103 0 0 -26 44 1 22 26 32 85 305 -14 -27 41 48 -25 46 15 -28 3 46 -25 24 18 104 0 0 -26 53 17 22 26 45 84 300 -13 -27 51 0 -25 55 36 -28 12 56 -25 33 42 105 0 0 -27 2 6 22 26 58 84 296 -12 -27 59 43 -26 4 30 -28 21 38 -25 42 37 106 0 0 -27 10 27 22 27 11 83 293 -11 -28 8 0 -26 12 55 -28 29 52 -25 51 4 107 0 0 -27 18 20 22 27 24 82 291 -10 -28 15 48 -26 20 52 -28 37 39 -25 59 3 108 0 0 -27 25 45 22 27 37 81 289 -9 -28 23 9 -26 28 21 -28 44 59 -26 6 33 109 0 0 -27 32 42 22 27 50 80 287 -8 -28 30 3 -26 35 23 -28 51 51 -26 13 36 110 0 0 -27 39 12 22 28 3 79 286 -7 -28 36 29 -26 41 56 -28 58 16 -26 20 10 111 0 0 -27 45 13 22 28 16 78 285 -6 -28 42 27 -26 48 1 -29 4 13 -26 26 17 112 0 0 -27 50 48 22 28 29 77 284 -5 -28 47 58 -26 53 38 -29 9 43 -26 31 55 113 0 0 -27 55 54 22 28 41 76 283 -4 -28 53 2 -26 58 47 -29 14 45 -26 37 6 114 0 0 -28 0 33 22 28 54 76 282 -3 -28 57 39 -27 3 29 -29 19 21 -26 41 48 115 0 0 -28 4 45 22 29 6 75 281 -3 -29 1 48 -27 7 43 -29 23 29 -26 46 3 116 0 0 -28 8 29 22 29 19 74 280 -2 -29 5 30 -27 11 29 -29 27 10 -26 49 49 117 0 0 -28 11 45 22 29 31 73 279 -1 -29 8 44 -27 14 47 -29 30 24 -26 53 8 118 0 0 -28 14 34 22 29 43 72 278 0 -29 11 32 -27 17 38 -29 33 11 -26 56 0 119 0 0 -28 16 56 22 29 55 71 277 1 -29 13 52 -27 20 1 -29 35 31 -26 58 23 120 0 0 -28 18 50 22 30 8 70 277 2 -29 15 45 -27 21 56 -29 37 24 -27 0 19 121 0 0 -28 20 17 22 30 20 69 276 3 -29 17 12 -27 23 24 -29 38 50 -27 1 47 122 0 0 -28 21 17 22 30 32 68 275 4 -29 18 11 -27 24 24 -29 39 49 -27 2 47 123 0 0 -28 21 49 22 30 43 67 275 5 -29 18 43 -27 24 57 -29 40 21 -27 3 20 124 0 0 -28 21 54 22 30 55 66 274 6 -29 18 48 -27 25 2 -29 40 26 -27 3 26 125 0 0 -28 21 32 22 31 7 65 273 6 -29 18 26 -27 24 40 -29 40 4 -27 3 3 126 0 0 -28 20 43 22 31 18 65 273 7 -29 17 38 -27 23 50 -29 39 16 -27 2 14 127 0 0 -28 19 27 22 31 30 64 272 8 -29 16 22 -27 22 33 -29 38 1 -27 0 56 128 0 0 -28 17 44 22 31 41 63 272 9 -29 14 40 -27 20 49 -29 36 19 -26 59 12 129 0 0 -28 15 33 22 31 53 62 271 10 -29 12 30 -27 18 37 -29 34 10 -26 56 59 130 0 0 -28 12 55 22 32 4 61 270 11 -29 9 54 -27 15 58 -29 31 34 -26 54 20 131 0 0 -28 9 51 22 32 15 60 270 12 -29 6 51 -27 12 52 -29 28 32 -26 51 13 132 0 0 -28 6 19 22 32 26 59 269 13 -29 3 22 -27 9 18 -29 25 3 -26 47 38 133 0 0 -28 2 20 22 32 37 58 269 14 -28 59 25 -27 5 17 -29 21 7 -26 43 36 134 0 0 -27 57 55 22 32 48 57 268 15 -28 55 2 -27 0 49 -29 16 45 -26 39 7 135 0 0 -27 53 2 22 32 59 56 267 15 -28 50 12 -26 55 54 -29 11 56 -26 34 11 136 0 0 -27 47 42 22 33 9 55 267 16 -28 44 55 -26 50 31 -29 6 40 -26 28 47 137 0 0 -27 41 56 22 33 20 54 266 17 -28 39 12 -26 44 41 -29 0 58 -26 22 56 138 0 0 -27 35 42 22 33 30 53 266 18 -28 33 1 -26 38 24 -28 54 49 -26 16 38 139 0 0 -27 29 1 22 33 41 53 265 19 -28 26 24 -26 31 40 -28 48 13 -26 9 53 140 0 0 -27 21 54 22 33 51 52 265 20 -28 19 21 -26 24 29 -28 41 11 -26 2 40 141 0 0 -27 14 20 22 34 1 51 264 21 -28 11 51 -26 16 51 -28 33 43 -25 55 0 142 0 0 -27 6 18 22 34 11 50 264 22 -28 3 54 -26 8 45 -28 25 47 -25 46 53 143 0 0 -26 57 50 22 34 21 49 263 23 -27 55 30 -26 0 13 -28 17 25 -25 38 19 144 0 0 -26 48 56 22 34 31 48 263 24 -27 46 40 -25 51 13 -28 8 37 -25 29 18 145 0 0 -26 39 34 22 34 40 47 262 24 -27 37 23 -25 41 47 -27 59 22 -25 19 49 146 0 0 -26 29 46 22 34 50 46 262 25 -27 27 40 -25 31 53 -27 49 41 -25 9 54 147 0 0 -26 19 30 22 34 59 45 261 26 -27 17 30 -25 21 33 -27 39 33 -24 59 32 148 0 0 -26 8 49 22 35 8 44 261 27 -27 6 53 -25 10 46 -27 28 58 -24 48 43 149 0 0 -25 57 40 22 35 18 43 260 28 -26 55 50 -24 59 32 -27 17 57 -24 37 26 150 0 0 -25 46 5 22 35 26 42 260 29 -26 44 21 -24 47 51 -27 6 30 -24 25 44 151 0 0 -25 34 3 22 35 35 41 259 30 -26 32 25 -24 35 43 -26 54 37 -24 13 34 152 0 0 -25 21 35 22 35 44 40 259 31 -26 20 3 -24 23 9 -26 42 17 -24 0 57 153 0 0 -25 8 41 22 35 53 39 258 32 -26 7 15 -24 10 9 -26 29 31 -23 47 54 154 0 0 -24 55 20 22 36 1 38 258 33 -25 54 0 -23 56 41 -26 16 19 -23 34 25 155 0 0 -24 41 33 22 36 9 37 258 34 -25 40 19 -23 42 48 -26 2 40 -23 20 29 156 0 0 -24 27 19 22 36 17 36 257 35 -25 26 13 -23 28 28 -25 48 36 -23 6 6 157 0 0 -24 12 40 22 36 25 35 257 35 -25 11 40 -23 13 42 -25 34 6 -22 51 18 158 0 0 -23 57 34 22 36 33 34 256 36 -24 56 41 -22 58 29 -25 19 10 -22 36 3 159 0 0 -23 42 3 22 36 41 33 256 37 -24 41 17 -22 42 51 -25 3 48 -22 20 22 160 0 0 -23 26 6 22 36 48 32 255 38 -24 25 27 -22 26 47 -24 48 1 -22 4 15 161 0 0 -23 9 43 22 36 55 32 255 39 -24 9 11 -22 10 17 -24 31 48 -21 47 43 162 0 0 -22 52 55 22 37 2 31 255 40 -23 52 30 -21 53 22 -24 15 9 -21 30 45 163 0 0 -22 35 41 22 37 9 30 254 41 -23 35 23 -21 36 1 -23 58 6 -21 13 22 164 0 0 -22 18 3 22 37 16 29 254 42 -23 17 52 -21 18 16 -23 40 37 -20 55 33 165 0 0 -21 59 59 22 37 22 28 253 43 -22 59 56 -21 0 5 -23 22 43 -20 37 19 166 0 0 -21 41 31 22 37 29 27 253 44 -22 41 35 -20 41 29 -23 4 25 -20 18 41 167 0 0 -21 22 38 22 37 35 26 253 45 -22 22 49 -20 22 29 -22 45 42 -19 59 38 168 0 0 -21 3 20 22 37 41 25 252 46 -22 3 39 -20 3 4 -22 26 35 -19 40 11 169 0 0 -20 43 39 22 37 46 24 252 47 -21 44 5 -19 43 16 -22 7 4 -19 20 19 170 0 0 -20 23 34 22 37 52 23 251 48 -21 24 7 -19 23 3 -21 47 9 -19 0 4 171 0 0 -20 3 5 22 37 57 21 251 49 -21 3 46 -19 2 27 -21 26 50 -18 39 25 172 0 0 -19 42 13 22 38 2 20 251 49 -20 43 1 -18 41 28 -21 6 8 -18 18 23 173 0 0 -19 20 58 22 38 7 19 250 50 -20 21 53 -18 20 6 -20 45 3 -17 56 58 174 0 0 -18 59 21 22 38 12 18 250 51 -20 0 23 -17 58 21 -20 23 36 -17 35 11 175 0 0 -18 37 21 22 38 16 17 250 52 -19 38 30 -17 36 14 -20 1 46 -17 13 1 176 0 0 -18 14 59 22 38 20 16 249 53 -19 16 15 -17 13 45 -19 39 34 -16 50 30 177 0 0 -17 52 15 22 38 24 15 249 54 -18 53 39 -16 50 55 -19 17 0 -16 27 37 178 0 0 -17 29 11 22 38 28 14 249 55 -18 30 41 -16 27 44 -18 54 5 -16 4 23 179 0 0 -17 5 45 22 38 31 13 248 56 -18 7 23 -16 4 12 -18 30 49 -15 40 48 180 0 0 -16 42 0 22 38 35 12 248 57 -17 43 44 -15 40 19 -18 7 12 -15 16 54 -179 0 0 -16 17 54 22 38 38 11 248 58 -17 19 45 -15 16 7 -17 43 16 -14 52 39 -178 0 0 -15 53 29 22 38 40 10 248 59 -16 55 26 -14 51 36 -17 19 0 -14 28 6 -177 0 0 -15 28 45 22 38 43 9 247 60 -16 30 48 -14 26 46 -16 54 24 -14 3 13 -176 0 0 -15 3 43 22 38 45 8 247 61 -16 5 52 -14 1 38 -16 29 31 -13 38 3 -175 0 0 -14 38 23 22 38 47 7 247 61 -15 40 38 -13 36 12 -16 4 18 -13 12 34 -174 0 0 -14 12 45 22 38 49 6 247 62 -15 15 6 -13 10 28 -15 38 49 -12 46 49 -173 0 0 -13 46 51 22 38 50 5 246 63 -14 49 17 -12 44 28 -15 13 2 -12 20 47 -172 0 0 -13 20 40 22 38 51 4 246 64 -14 23 12 -12 18 12 -14 46 59 -11 54 29 -171 0 0 -12 54 14 22 38 52 3 246 65 -13 56 51 -11 51 41 -14 20 40 -11 27 56 -170 0 0 -12 27 33 22 38 52 2 246 66 -13 30 14 -11 24 55 -13 54 5 -11 1 8 -169 0 0 -12 0 37 22 38 53 0 245 67 -13 3 23 -10 57 54 -13 27 16 .. .. .. -168 0 0 .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. -13 0 13 .. .. .. Data for the target star ------------------------ * name: TYC 6858-00340-1 * constellation : Sagittarius * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 18 33 47.5906 DE: -24 07 23.980 * position source: mpos:TYC pm:TYC * standard error: RA,DE ["]: ( .023, .023 ) * V mag [mag]: 7.6 * B mag [mag]: 7.7 * Apparent position with proper motion RA(deg): 278.5625886660 DE(deg): -24.1196373438 * Equation of equinoxes (radians) : 0.000016858069186 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (9) Metis approx. diameter [km]: 210 approx. diameter ["]: .131 distance from Earth [AU]: 2.21000 * orbital information: orbit source: Preston date of fit: 2007 Feb 10 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 1700 number of rejected observations: 185 time covered by the observations: 1903 Mar 22 - 2006 Jun 27 1 sigma uncertainty ellipse (major, minor, PA): 0.010, 0.009, 95° remarks: * orbital elements for (9) Metis : Mean anomaly = 182.28108482 deg Arg. of pericenter = 5.95038723 deg Long. of node = 68.97308568 deg Inclination = 5.57617606 deg Eccentricity = 0.12135756 Semimajor axis = 2.38781481 AU Perihelion dist = 2.09803543 AU Mag: H = 6.20, G = 0.17 Epoch of elements : MJD 54204.93400000 TDT (2007 Apr 14.934) ------ occelmnt file for Occult BEGIN ----------------------------------- 2007 Apr 14 9 Metis 22h 25.7m UT 7.6 18 33 47.591-24 7 23.98TYC 6858-00340-1 7.7 11.1 210 26.1 2.210 1.293 -3.46 99.318 -24.122 -156.35 9.53 22.4279 -.00476 -.03123 4.45203 -0.86985 -0.00546 -0.00029 2000 180.9631242007 410.00000 5.950387 68.973086 5.5761760.121357562.387814812.098035436.285 0.17 RATE 2.6711800 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.025 0.025 0.6 1.190 0.025 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2007 Mar 18, 03:07 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org