IOTA/IOTA-ES occultation update for (5) Astraea / HIP 64980 event on 2008 Mar 29, 06:39 UT Visible from Argentina, Chile Summary ------- On 2008 Mar 29 UT, the 119 km diameter asteroid (5) Astraea will occult a 10.7 mag star in the constellation Virgo for observers along a path across Argentina, Chile. In the case of an occultation, the combined light of the asteroid and the star will drop by 0.3 mag to 9.5 mag (the magnitude of the asteroid) for at most 13.6 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: 99 * date and approx. time of event: 2008 Mar 29, 06:29 - 2008 Mar 29, 06:51 UT * magnitude of target star: 10.7 * magnitude drop [mag]: 0.3 * estimated maximum duration [s]: 13.6 * Moon: 56 % sunlit, 74° distance * Sun: 168° distance * rough path description: Argentina, Chile Additional comments ------------------- small mag drop The occultation path -------------------- * approximate projected width [km]: 130 * 1 sigma uncertainty interval [path widths]: +/- 0.20 * 1 sigma uncertainty interval [seconds]: +/- 2.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .027 +/- .027) * 1 sigma uncertainty ellipse (major, minor, PA): ( .027", .027", 102° ) * approx speed of asteroid's shadow [km/s]: 8.7658 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 64980 by 5 Astraea on 2008 Mar 29 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 180 0 0 8 13 4 6 51 32 0 90 -11 8 48 20 7 37 38 9 2 24 7 23 25 -179 0 0 8 12 35 6 51 32 1 90 -12 8 47 51 7 37 10 9 1 55 7 22 57 -178 0 0 8 11 31 6 51 31 2 90 -13 8 46 46 7 36 5 9 0 50 7 21 52 -177 0 0 8 9 49 6 51 31 3 91 -14 8 45 5 7 34 24 8 59 9 7 20 11 -176 0 0 8 7 32 6 51 30 4 91 -15 8 42 48 7 32 6 8 56 52 7 17 53 -175 0 0 8 4 38 6 51 29 5 91 -16 8 39 55 7 29 12 8 53 59 7 14 58 -174 0 0 8 1 9 6 51 27 6 91 -17 8 36 26 7 25 41 8 50 31 7 11 27 -173 0 0 7 57 3 6 51 26 7 91 -18 8 32 21 7 21 34 8 46 26 7 7 20 -172 0 0 7 52 21 6 51 24 8 91 -19 8 27 41 7 16 51 8 41 46 7 2 37 -171 0 0 7 47 4 6 51 22 9 91 -20 8 22 25 7 11 32 8 36 31 6 57 17 -170 0 0 7 41 10 6 51 20 10 91 -21 8 16 33 7 5 38 8 30 40 6 51 22 -169 0 0 7 34 41 6 51 17 11 92 -22 8 10 6 6 59 7 8 24 13 6 44 50 -168 0 0 7 27 37 6 51 15 12 92 -23 8 3 4 6 52 0 8 17 12 6 37 43 -167 0 0 7 19 57 6 51 12 13 92 -24 7 55 26 6 44 18 8 9 35 6 29 59 -166 0 0 7 11 41 6 51 9 14 92 -25 7 47 13 6 36 0 8 1 23 6 21 40 -165 0 0 7 2 50 6 51 5 15 92 -26 7 38 25 6 27 6 7 52 36 6 12 46 -164 0 0 6 53 24 6 51 1 16 92 -27 7 29 1 6 17 37 7 43 14 6 3 16 -163 0 0 6 43 23 6 50 58 17 92 -28 7 19 3 6 7 33 7 33 16 5 53 10 -162 0 0 6 32 46 6 50 54 18 92 -29 7 8 30 5 56 53 7 22 45 5 42 29 -161 0 0 6 21 35 6 50 49 19 92 -30 6 57 22 5 45 38 7 11 38 5 31 13 -160 0 0 6 9 48 6 50 45 20 92 -31 6 45 39 5 33 48 6 59 56 5 19 21 -159 0 0 5 57 27 6 50 40 21 92 -32 6 33 21 5 21 23 6 47 40 5 6 54 -158 0 0 5 44 31 6 50 35 22 92 -33 6 20 29 5 8 23 6 34 49 4 53 52 -157 0 0 5 31 0 6 50 30 23 92 -34 6 7 2 4 54 47 6 21 24 4 40 15 -156 0 0 5 16 54 6 50 24 24 92 -35 5 53 1 4 40 37 6 7 25 4 26 4 -155 0 0 5 2 14 6 50 18 25 92 -36 5 38 25 4 25 53 5 52 51 4 11 17 -154 0 0 4 47 0 6 50 12 26 92 -37 5 23 15 4 10 34 5 37 43 3 55 56 -153 0 0 4 31 11 6 50 6 27 92 -38 5 7 31 3 54 40 5 22 1 3 40 0 -152 0 0 4 14 48 6 50 0 28 92 -39 4 51 13 3 38 12 5 5 45 3 23 30 -151 0 0 3 57 51 6 49 53 29 92 -40 4 34 21 3 21 9 4 48 55 3 6 26 -150 0 0 3 40 19 6 49 47 30 92 -41 4 16 55 3 3 33 4 31 31 2 48 47 -149 0 0 3 22 14 6 49 39 31 92 -42 3 58 56 2 45 22 4 13 33 2 30 34 -148 0 0 3 3 36 6 49 32 31 92 -43 3 40 23 2 26 38 3 55 3 2 11 48 -147 0 0 2 44 24 6 49 25 32 92 -44 3 21 16 2 7 20 3 35 58 1 52 28 -146 0 0 2 24 38 6 49 17 33 92 -45 3 1 37 1 47 29 3 16 21 1 32 34 -145 0 0 2 4 19 6 49 9 34 92 -46 2 41 24 1 27 4 2 56 11 1 12 7 -144 0 0 1 43 28 6 49 1 35 91 -47 2 20 38 1 6 6 2 35 28 0 51 6 -143 0 0 1 22 3 6 48 52 36 91 -48 1 59 20 0 44 35 2 14 12 0 29 33 -142 0 0 1 0 6 6 48 44 37 91 -49 1 37 29 0 22 32 1 52 24 0 7 27 -141 0 0 0 37 37 6 48 35 38 91 -50 1 15 7 - 0 0 4 1 30 3 - 0 15 12 -140 0 0 0 14 35 6 48 26 39 90 -51 0 52 12 - 0 23 12 1 7 11 - 0 38 23 -139 0 0 - 0 8 58 6 48 17 40 90 -52 0 28 45 - 0 46 53 0 43 47 - 1 2 6 -138 0 0 - 0 33 3 6 48 7 41 90 -53 0 4 47 - 1 11 4 0 19 52 - 1 26 20 -137 0 0 - 0 57 39 6 47 58 42 89 -54 - 0 19 42 - 1 35 47 - 0 4 35 - 1 51 6 -136 0 0 - 1 22 46 6 47 48 43 89 -55 - 0 44 42 - 2 1 2 - 0 29 32 - 2 16 23 -135 0 0 - 1 48 24 6 47 38 44 88 -56 - 1 10 13 - 2 26 46 - 0 55 0 - 2 42 11 -134 0 0 - 2 14 32 6 47 28 45 88 -57 - 1 36 14 - 2 53 2 - 1 20 58 - 3 8 29 -133 0 0 - 2 41 9 6 47 17 46 87 -58 - 2 2 44 - 3 19 47 - 1 47 26 - 3 35 17 -132 0 0 - 3 8 17 6 47 7 47 87 -59 - 2 29 44 - 3 47 1 - 2 14 23 - 4 2 35 -131 0 0 - 3 35 53 6 46 56 48 86 -60 - 2 57 14 - 4 14 45 - 2 41 49 - 4 30 22 -130 0 0 - 4 3 58 6 46 45 49 86 -61 - 3 25 11 - 4 42 58 - 3 9 44 - 4 58 37 -129 0 0 - 4 32 31 6 46 34 50 85 -62 - 3 53 37 - 5 11 39 - 3 38 7 - 5 27 21 -128 0 0 - 5 1 32 6 46 22 51 84 -62 - 4 22 30 - 5 40 47 - 4 6 57 - 5 56 33 -127 0 0 - 5 31 0 6 46 11 51 83 -63 - 4 51 51 - 6 10 23 - 4 36 15 - 6 26 12 -126 0 0 - 6 0 55 6 45 59 52 82 -64 - 5 21 38 - 6 40 25 - 5 5 59 - 6 56 17 -125 0 0 - 6 31 16 6 45 47 53 82 -65 - 5 51 52 - 7 10 54 - 5 36 10 - 7 26 49 -124 0 0 - 7 2 3 6 45 35 54 81 -66 - 6 22 31 - 7 41 48 - 6 6 46 - 7 57 46 -123 0 0 - 7 33 14 6 45 23 55 79 -67 - 6 53 35 - 8 13 7 - 6 37 46 - 8 29 8 -122 0 0 - 8 4 50 6 45 11 56 78 -68 - 7 25 3 - 8 44 50 - 7 9 12 - 9 0 55 -121 0 0 - 8 36 49 6 44 58 56 77 -69 - 7 56 54 - 9 16 57 - 7 41 0 - 9 33 5 -120 0 0 - 9 9 11 6 44 46 57 76 -69 - 8 29 9 - 9 49 27 - 8 13 12 -10 5 38 -119 0 0 - 9 41 56 6 44 33 58 75 -70 - 9 1 46 -10 22 19 - 8 45 46 -10 38 33 -118 0 0 -10 15 2 6 44 20 59 73 -71 - 9 34 45 -10 55 33 - 9 18 42 -11 11 49 -117 0 0 -10 48 28 6 44 7 59 72 -72 -10 8 4 -11 29 7 - 9 51 59 -11 45 27 -116 0 0 -11 22 15 6 43 54 60 70 -72 -10 41 44 -12 3 1 -10 25 35 -12 19 24 -115 0 0 -11 56 21 6 43 41 61 68 -73 -11 15 42 -12 37 14 -10 59 31 -12 53 40 -114 0 0 -12 30 45 6 43 28 61 66 -73 -11 49 59 -13 11 46 -11 33 45 -13 28 14 -113 0 0 -13 5 27 6 43 15 62 65 -74 -12 24 34 -13 46 34 -12 8 17 -14 3 6 -112 0 0 -13 40 25 6 43 1 63 63 -74 -12 59 25 -14 21 40 -12 43 6 -14 38 14 -111 0 0 -14 15 39 6 42 48 63 60 -74 -13 34 32 -14 57 0 -13 18 10 -15 13 37 -110 0 0 -14 51 7 6 42 34 64 58 -75 -14 9 54 -15 32 36 -13 53 29 -15 49 16 -109 0 0 -15 26 49 6 42 21 64 56 -75 -14 45 30 -16 8 25 -14 29 2 -16 25 7 -108 0 0 -16 2 44 6 42 7 64 54 -75 -15 21 19 -16 44 26 -15 4 49 -17 1 12 -107 0 0 -16 38 51 6 41 53 65 51 -75 -15 57 19 -17 20 39 -15 40 47 -17 37 27 -106 0 0 -17 15 9 6 41 40 65 49 -75 -16 33 31 -17 57 3 -16 16 56 -18 13 54 -105 0 0 -17 51 36 6 41 26 65 46 -75 -17 9 52 -18 33 37 -16 53 15 -18 50 30 -104 0 0 -18 28 12 6 41 12 66 44 -74 -17 46 23 -19 10 19 -17 29 43 -19 27 14 -103 0 0 -19 4 56 6 40 59 66 41 -74 -18 23 1 -19 47 8 -18 6 19 -20 4 5 -102 0 0 -19 41 46 6 40 45 66 38 -74 -18 59 46 -20 24 4 -18 43 2 -20 41 3 -101 0 0 -20 18 42 6 40 31 66 35 -73 -19 36 37 -21 1 4 -19 19 51 -21 18 6 -100 0 0 -20 55 42 6 40 18 66 33 -73 -20 13 32 -21 38 9 -19 56 44 -21 55 13 - 99 0 0 -21 32 45 6 40 4 66 30 -72 -20 50 31 -22 15 17 -20 33 41 -22 32 23 - 98 0 0 -22 9 51 6 39 50 66 27 -71 -21 27 32 -22 52 27 -21 10 41 -23 9 35 - 97 0 0 -22 46 57 6 39 37 65 25 -71 -22 4 34 -23 29 38 -21 47 41 -23 46 47 - 96 0 0 -23 24 4 6 39 23 65 22 -70 -22 41 37 -24 6 48 -22 24 42 -24 23 59 - 95 0 0 -24 1 9 6 39 10 65 19 -69 -23 18 38 -24 43 57 -23 1 43 -25 1 9 - 94 0 0 -24 38 11 6 38 57 65 17 -69 -23 55 37 -25 21 3 -23 38 41 -25 38 17 - 93 0 0 -25 15 10 6 38 43 64 14 -68 -24 32 34 -25 58 5 -24 15 36 -26 15 20 - 92 0 0 -25 52 5 6 38 30 64 12 -67 -25 9 25 -26 35 2 -24 52 26 -26 52 18 - 91 0 0 -26 28 54 6 38 17 63 10 -66 -25 46 12 -27 11 53 -25 29 12 -27 29 11 - 90 0 0 -27 5 36 6 38 4 63 7 -65 -26 22 52 -27 48 37 -26 5 51 -28 5 55 - 89 0 0 -27 42 10 6 37 51 62 5 -64 -26 59 24 -28 25 13 -26 42 23 -28 42 32 - 88 0 0 -28 18 35 6 37 39 62 3 -63 -27 35 48 -29 1 40 -27 18 46 -29 18 59 - 87 0 0 -28 54 49 6 37 26 61 1 -63 -28 12 1 -29 37 56 -27 54 59 -29 55 15 - 86 0 0 -29 30 53 6 37 14 61 359 -62 -28 48 4 -30 14 0 -28 31 2 -30 31 20 - 85 0 0 -30 6 45 6 37 1 60 357 -61 -29 23 56 -30 49 52 -29 6 53 -31 7 12 - 84 0 0 -30 42 23 6 36 49 59 355 -60 -29 59 34 -31 25 31 -29 42 31 -31 42 51 - 83 0 0 -31 17 48 6 36 37 59 354 -59 -30 34 59 -32 0 55 -30 17 56 -32 18 15 - 82 0 0 -31 52 57 6 36 25 58 352 -58 -31 10 8 -32 36 3 -30 53 6 -32 53 23 - 81 0 0 -32 27 50 6 36 14 57 350 -57 -31 45 2 -33 10 55 -31 28 0 -33 28 15 - 80 0 0 -33 2 26 6 36 2 57 349 -56 -32 19 40 -33 45 30 -32 2 38 -34 2 49 - 79 0 0 -33 36 45 6 35 51 56 347 -55 -32 54 0 -34 19 47 -32 36 59 -34 37 5 - 78 0 0 -34 10 44 6 35 40 55 346 -54 -33 28 2 -34 53 45 -33 11 2 -35 11 2 - 77 0 0 -34 44 24 6 35 29 54 344 -53 -34 1 44 -35 27 23 -33 44 45 -35 44 39 - 76 0 0 -35 17 45 6 35 18 54 343 -53 -34 35 7 -36 0 40 -34 18 9 -36 17 56 - 75 0 0 -35 50 44 6 35 7 53 342 -52 -35 8 9 -36 33 36 -34 51 12 -36 50 50 - 74 0 0 -36 23 21 6 34 57 52 340 -51 -35 40 49 -37 6 10 -35 23 54 -37 23 23 - 73 0 0 -36 55 36 6 34 47 51 339 -50 -36 13 8 -37 38 21 -35 56 14 -37 55 33 - 72 0 0 -37 27 28 6 34 37 51 338 -49 -36 45 4 -38 10 9 -36 28 11 -38 27 19 - 71 0 0 -37 58 56 6 34 27 50 337 -48 -37 16 36 -38 41 33 -36 59 45 -38 58 41 - 70 0 0 -38 30 0 6 34 17 49 335 -47 -37 47 45 -39 12 33 -37 30 55 -39 29 39 - 69 0 0 -39 0 39 6 34 8 48 334 -46 -38 18 29 -39 43 7 -38 1 41 -40 0 11 - 68 0 0 -39 30 54 6 33 58 48 333 -45 -38 48 48 -40 13 16 -38 32 3 -40 30 18 - 67 0 0 -40 0 42 6 33 49 47 332 -44 -39 18 42 -40 42 59 -39 1 59 -40 59 59 - 66 0 0 -40 30 4 6 33 40 46 331 -44 -39 48 10 -41 12 16 -39 31 29 -41 29 14 - 65 0 0 -40 59 0 6 33 32 45 330 -43 -40 17 12 -41 41 6 -40 0 33 -41 58 1 - 64 0 0 -41 27 30 6 33 23 44 329 -42 -40 45 47 -42 9 29 -40 29 10 -42 26 22 - 63 0 0 -41 55 32 6 33 15 44 328 -41 -41 13 55 -42 37 25 -40 57 21 -42 54 15 - 62 0 0 -42 23 6 6 33 7 43 327 -40 -41 41 36 -43 4 53 -41 25 5 -43 21 40 - 61 0 0 -42 50 13 6 32 59 42 326 -39 -42 8 50 -43 31 53 -41 52 21 -43 48 37 - 60 0 0 -43 16 52 6 32 51 41 325 -39 -42 35 36 -43 58 25 -42 19 10 -44 15 7 - 59 0 0 -43 43 3 6 32 43 41 324 -38 -43 1 54 -44 24 29 -42 45 31 -44 41 8 - 58 0 0 -44 8 46 6 32 36 40 323 -37 -43 27 44 -44 50 4 -43 11 24 -45 6 40 - 57 0 0 -44 34 1 6 32 29 39 322 -36 -43 53 6 -45 15 11 -43 36 48 -45 31 44 - 56 0 0 -44 58 47 6 32 22 38 321 -35 -44 18 0 -45 39 50 -44 1 45 -45 56 20 - 55 0 0 -45 23 5 6 32 15 38 320 -35 -44 42 25 -46 4 0 -44 26 13 -46 20 27 - 54 0 0 -45 46 54 6 32 8 37 320 -34 -45 6 22 -46 27 41 -44 50 13 -46 44 5 - 53 0 0 -46 10 15 6 32 2 36 319 -33 -45 29 51 -46 50 54 -45 13 45 -47 7 14 - 52 0 0 -46 33 7 6 31 56 35 318 -32 -45 52 51 -47 13 38 -45 36 48 -47 29 55 - 51 0 0 -46 55 31 6 31 50 35 317 -31 -46 15 23 -47 35 54 -45 59 23 -47 52 8 - 50 0 0 -47 17 26 6 31 44 34 316 -31 -46 37 26 -47 57 41 -46 21 30 -48 13 51 - 49 0 0 -47 38 53 6 31 38 33 315 -30 -46 59 1 -48 19 0 -46 43 8 -48 35 7 - 48 0 0 -47 59 52 6 31 32 32 314 -29 -47 20 8 -48 39 50 -47 4 18 -48 55 54 - 47 0 0 -48 20 23 6 31 27 32 313 -28 -47 40 47 -49 0 13 -47 25 0 -49 16 13 - 46 0 0 -48 40 25 6 31 22 31 313 -28 -48 0 57 -49 20 7 -47 45 14 -49 36 4 - 45 0 0 -49 0 0 6 31 16 30 312 -27 -48 20 40 -49 39 33 -48 5 0 -49 55 27 - 44 0 0 -49 19 7 6 31 11 30 311 -26 -48 39 55 -49 58 32 -48 24 18 -50 14 22 - 43 0 0 -49 37 46 6 31 7 29 310 -26 -48 58 43 -50 17 3 -48 43 9 -50 32 50 - 42 0 0 -49 55 58 6 31 2 28 309 -25 -49 17 3 -50 35 7 -49 1 32 -50 50 50 - 41 0 0 -50 13 43 6 30 57 28 308 -24 -49 34 55 -50 52 43 -49 19 28 -51 8 23 - 40 0 0 -50 31 0 6 30 53 27 308 -23 -49 52 21 -51 9 52 -49 36 57 -51 25 29 - 39 0 0 -50 47 51 6 30 49 26 307 -23 -50 9 20 -51 26 35 -49 53 59 -51 42 8 - 38 0 0 -51 4 15 6 30 45 26 306 -22 -50 25 52 -51 42 51 -50 10 34 -51 58 21 - 37 0 0 -51 20 13 6 30 41 25 305 -21 -50 41 57 -51 58 41 -50 26 42 -52 14 8 - 36 0 0 -51 35 44 6 30 37 24 304 -21 -50 57 36 -52 14 5 -50 42 25 -52 29 28 - 35 0 0 -51 50 50 6 30 33 24 303 -20 -51 12 50 -52 29 2 -50 57 41 -52 44 23 - 34 0 0 -52 5 30 6 30 29 23 303 -19 -51 27 37 -52 43 34 -51 12 31 -52 58 52 - 33 0 0 -52 19 44 6 30 26 22 302 -19 -51 41 58 -52 57 41 -51 26 56 -53 12 55 - 32 0 0 -52 33 33 6 30 23 22 301 -18 -51 55 55 -53 11 22 -51 40 55 -53 26 34 - 31 0 0 -52 46 56 6 30 19 21 300 -18 -52 9 26 -53 24 39 -51 54 28 -53 39 47 - 30 0 0 -52 59 55 6 30 16 21 299 -17 -52 22 32 -53 37 30 -52 7 37 -53 52 36 - 29 0 0 -53 12 29 6 30 13 20 298 -16 -52 35 13 -53 49 58 -52 20 21 -54 5 0 - 28 0 0 -53 24 39 6 30 10 19 298 -16 -52 47 29 -54 2 0 -52 32 40 -54 17 0 - 27 0 0 -53 36 25 6 30 7 19 297 -15 -52 59 21 -54 13 39 -52 44 35 -54 28 36 - 26 0 0 -53 47 46 6 30 5 18 296 -14 -53 10 50 -54 24 54 -52 56 6 -54 39 48 - 25 0 0 -53 58 44 6 30 2 17 295 -14 -53 21 54 -54 35 45 -53 7 13 -54 50 37 - 24 0 0 -54 9 18 6 30 0 17 294 -13 -53 32 34 -54 46 13 -53 17 55 -55 1 3 - 23 0 0 -54 19 29 6 29 57 16 294 -13 -53 42 51 -54 56 18 -53 28 15 -55 11 5 - 22 0 0 -54 29 17 6 29 55 16 293 -12 -53 52 45 -55 6 0 -53 38 11 -55 20 44 - 21 0 0 -54 38 42 6 29 53 15 292 -11 -54 2 15 -55 15 19 -53 47 43 -55 30 1 - 20 0 0 -54 47 44 6 29 51 14 291 -11 -54 11 23 -55 24 15 -53 56 53 -55 38 55 - 19 0 0 -54 56 23 6 29 49 14 290 -10 -54 20 7 -55 32 49 -54 5 40 -55 47 27 - 18 0 0 -55 4 40 6 29 47 13 289 -10 -54 28 30 -55 41 1 -54 14 4 -55 55 36 - 17 0 0 -55 12 35 6 29 45 13 289 -9 -54 36 29 -55 48 51 -54 22 6 -56 3 24 - 16 0 0 -55 20 7 6 29 43 12 288 -8 -54 44 7 -55 56 18 -54 29 45 -56 10 50 - 15 0 0 -55 27 18 6 29 41 12 287 -8 -54 51 22 -56 3 25 -54 37 3 -56 17 54 - 14 0 0 -55 34 7 6 29 40 11 286 -7 -54 58 16 -56 10 9 -54 43 58 -56 24 37 - 13 0 0 -55 40 35 6 29 38 10 285 -7 -55 4 48 -56 16 32 -54 50 31 -56 30 58 - 12 0 0 -55 46 41 6 29 37 10 284 -6 -55 10 58 -56 22 35 -54 56 43 -56 36 59 - 11 0 0 -55 52 26 6 29 36 9 284 -6 -55 16 46 -56 28 15 -55 2 33 -56 42 38 - 10 0 0 -55 57 50 6 29 34 9 283 -5 -55 22 14 -56 33 35 -55 8 2 -56 47 57 - 9 0 0 -56 2 52 6 29 33 8 282 -5 -55 27 20 -56 38 34 -55 13 9 -56 52 54 - 8 0 0 -56 7 34 6 29 32 8 281 -4 -55 32 5 -56 43 13 -55 17 55 -56 57 31 - 7 0 0 -56 11 55 6 29 31 7 280 -3 -55 36 28 -56 47 31 -55 22 20 -57 1 48 - 6 0 0 -56 15 55 6 29 30 6 279 -3 -55 40 31 -56 51 28 -55 26 24 -57 5 44 - 5 0 0 -56 19 34 6 29 30 6 279 -2 -55 44 13 -56 55 4 -55 30 7 -57 9 20 - 4 0 0 -56 22 53 6 29 29 5 278 -2 -55 47 34 -56 58 21 -55 33 30 -57 12 35 - 3 0 0 -56 25 51 6 29 28 5 277 -1 -55 50 35 -57 1 17 -55 36 31 -57 15 30 - 2 0 0 -56 28 29 6 29 27 4 276 -1 -55 53 14 -57 3 53 -55 39 11 -57 18 5 - 1 0 0 -56 30 46 6 29 27 4 275 0 -55 55 34 -57 6 8 -55 41 31 -57 20 20 Uncertainty in time = +/- 3 secs [Prediction of 2008 Mar 13.0] Data for the target star ------------------------ * name: HIP 64980 * constellation : Virgo * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 13 19 04.4048 DE: -00 05 39.488 * position source: mpos:UCAC2 pm:UCAC2 plx:HIP * standard error: RA,DE ["]: ( .017, .024 ) * V mag [mag]: 10.7 * B mag [mag]: 11.2 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (5) Astraea approx. diameter [km]: 119 approx. diameter ["]: .132 distance from Earth [AU]: 1.24600 * orbital information: orbit source: Preston date of fit: 2008 Mar 12 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 1506 number of rejected observations: 218 time covered by the observations: 1901 May 25 - 2008 Mar 12 1 sigma uncertainty ellipse (major, minor, PA): 0.021, 0.012, 110° remarks: * orbital elements for (5) Astraea : Mean anomaly = 38.41566677 deg Arg. of pericenter = 357.49065773 deg Long. of node = 141.67775260 deg Inclination = 5.36898922 deg Eccentricity = 0.19239377 Semimajor axis = 2.57310775 AU Perihelion dist = 2.07805785 AU Mag: H = 6.87, G = 0.15 Epoch of elements : MJD 54554.27800000 TDT (2008 Mar 29.278) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Mar 29 5 Astraea 6h 40.5m UT 10.7 13 19 4.405- 0 5 39.49HIP 64980 11.2 9.5 119 13.6 1.246 -1.970 18.65 -87.3890 -0.100 81.07 3.55 6.6743 -0.21800 -0.34543 -4.18318 2.64202 -0.00113 -0.00031 2000 37.3941212008 325.00000357.490658141.677753 5.3689890.19239377 2.5731078 2.0780578 6.9 5.00.15 RATE 2.3879050 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.027 0.027 102 1.20 0.027 0 54538.5020080329__64980 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Mar 13, 00:05 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org