IOTA/IOTA-ES occultation update for (89) Julia / TYC 7808-00287-1 event on 2008 May 18, 01:33 UT Visible from Brazil, Bolivia, Peru Summary ------- On 2008 May 18 UT, the 175 km diameter asteroid (89) Julia will occult a 11.9 mag star in the constellation Centaurus for observers along a path across Brazil, Bolivia, Peru. In the case of an occultation, the combined light of the asteroid and the star will drop by 0.3 mag to 10.8 mag (the magnitude of the asteroid) for at most 14.1 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: UCAC. The event at a glimpse ---------------------- * Rank: 99 * date and approx. time of event: 2008 May 18, 01:25 - 2008 May 18, 01:42 UT * magnitude of target star: 11.9 * magnitude drop [mag]: 0.3 * estimated maximum duration [s]: 14.1 * Moon: 96 % sunlit, 21° distance * Sun: 153° distance * rough path description: Brazil, Bolivia, Peru The occultation path -------------------- * approximate projected width [km]: 176 * 1 sigma uncertainty interval [path widths]: +/- 0.23 * 1 sigma uncertainty interval [seconds]: +/- 3.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .036 +/- .030) * 1 sigma uncertainty ellipse (major, minor, PA): ( .037", .030", 99° ) * approx speed of asteroid's shadow [km/s]: 12.4226 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 7808-00287-1 by 89 Julia on 2008 May 18 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 -107 51 48 22 0 0 1 42 19 7 138 0 -106 42 10 -109 1 44 -106 10 14 -109 34 0 -106 52 33 21 0 0 1 42 17 8 138 -2 -105 43 36 -108 1 45 -105 11 58 -108 33 41 -105 54 6 20 0 0 1 42 16 9 139 -3 -104 45 47 -107 2 38 -104 14 26 -107 34 15 -104 56 23 19 0 0 1 42 13 11 139 -4 -103 48 40 -106 4 18 -103 17 34 -106 35 37 -103 59 20 18 0 0 1 42 11 12 139 -5 -102 52 9 -105 6 41 -102 21 18 -105 37 44 -103 2 53 17 0 0 1 42 8 13 139 -6 -101 56 11 -104 9 43 -101 25 33 -104 40 32 -102 6 58 16 0 0 1 42 6 15 140 -8 -101 0 43 -103 13 20 -100 30 17 -103 43 55 -101 11 32 15 0 0 1 42 2 16 140 -9 -100 5 42 -102 17 29 - 99 35 27 -102 47 52 -100 16 32 14 0 0 1 41 59 17 140 -10 - 99 11 4 -101 22 6 - 98 40 58 -101 52 18 - 99 21 54 13 0 0 1 41 55 19 140 -11 - 98 16 45 -100 27 8 - 97 46 48 -100 57 9 - 98 27 36 12 0 0 1 41 51 20 141 -12 - 97 22 44 - 99 32 31 - 96 52 54 -100 2 24 - 97 33 34 11 0 0 1 41 47 21 141 -14 - 96 28 57 - 98 38 13 - 95 59 14 - 99 7 58 - 96 39 45 10 0 0 1 41 43 23 141 -15 - 95 35 21 - 97 44 10 - 95 5 43 - 98 13 48 - 95 46 7 9 0 0 1 41 38 24 141 -16 - 94 41 53 - 96 50 20 - 94 12 20 - 97 19 53 - 94 52 37 8 0 0 1 41 33 25 141 -17 - 93 48 32 - 95 56 41 - 93 19 2 - 96 26 8 - 93 59 12 7 0 0 1 41 28 27 141 -18 - 92 55 13 - 95 3 8 - 92 25 46 - 95 32 32 - 93 5 50 6 0 0 1 41 23 28 142 -19 - 92 1 55 - 94 9 40 - 91 32 30 - 94 39 1 - 92 12 27 5 0 0 1 41 17 29 142 -21 - 91 8 35 - 93 16 14 - 90 39 11 - 93 45 34 - 91 19 2 4 0 0 1 41 11 31 142 -22 - 90 15 11 - 92 22 48 - 89 45 46 - 92 52 6 - 90 25 31 3 0 0 1 41 5 32 142 -23 - 89 21 38 - 91 29 18 - 88 52 13 - 91 58 36 - 89 31 53 2 0 0 1 40 59 33 142 -24 - 88 27 56 - 90 35 42 - 87 58 29 - 91 5 1 - 88 38 4 1 0 0 1 40 52 35 142 -25 - 87 34 2 - 89 41 58 - 87 4 31 - 90 11 19 - 87 44 2 0 0 0 1 40 45 36 142 -27 - 86 39 52 - 88 48 3 - 86 10 17 - 89 17 26 - 86 49 45 - 1 0 0 1 40 38 37 142 -28 - 85 45 24 - 87 53 54 - 85 15 45 - 88 23 21 Latitude Latitude Latitude Latitude - 86 0 0 - 1 54 40 1 40 31 38 142 -29 - 0 43 58 - 3 5 10 - 0 11 21 - 3 37 31 - 85 0 0 - 3 0 11 1 40 23 40 142 -30 - 1 49 44 - 4 10 25 - 1 17 15 - 4 42 40 - 84 0 0 - 4 5 12 1 40 15 41 142 -31 - 2 55 1 - 5 15 9 - 2 22 40 - 5 47 16 - 83 0 0 - 5 9 37 1 40 6 43 142 -33 - 3 59 45 - 6 19 17 - 3 27 32 - 6 51 16 - 82 0 0 - 6 13 26 1 39 57 44 142 -34 - 5 3 52 - 7 22 47 - 4 31 48 - 7 54 37 - 81 0 0 - 7 16 34 1 39 48 46 142 -35 - 6 7 20 - 8 25 35 - 5 35 25 - 8 57 17 - 80 0 0 - 8 18 59 1 39 39 47 142 -36 - 7 10 6 - 9 27 40 - 6 38 20 - 9 59 12 - 79 0 0 - 9 20 39 1 39 30 48 142 -38 - 8 12 7 -10 28 58 - 7 40 31 -11 0 21 - 78 0 0 -10 21 31 1 39 20 50 142 -39 - 9 13 21 -11 29 29 - 8 41 56 -12 0 41 - 77 0 0 -11 21 33 1 39 11 51 142 -40 -10 13 46 -12 29 8 - 9 42 31 -13 0 10 - 76 0 0 -12 20 43 1 39 1 52 142 -41 -11 13 20 -13 27 55 -10 42 16 -13 58 47 - 75 0 0 -13 18 59 1 38 52 54 142 -42 -12 12 0 -14 25 48 -11 41 7 -14 56 29 - 74 0 0 -14 16 21 1 38 42 55 142 -43 -13 9 46 -15 22 45 -12 39 5 -15 53 15 - 73 0 0 -15 12 46 1 38 32 56 142 -45 -14 6 36 -16 18 46 -13 36 6 -16 49 5 - 72 0 0 -16 8 13 1 38 22 58 142 -46 -15 2 28 -17 13 48 -14 32 10 -17 43 55 - 71 0 0 -17 2 41 1 38 12 59 142 -47 -15 57 22 -18 7 51 -15 27 15 -18 37 47 - 70 0 0 -17 56 9 1 38 3 60 142 -48 -16 51 16 -19 0 54 -16 21 21 -19 30 38 - 69 0 0 -18 48 37 1 37 53 61 142 -49 -17 44 9 -19 52 56 -17 14 27 -20 22 29 - 68 0 0 -19 40 4 1 37 43 63 142 -50 -18 36 2 -20 43 58 -18 6 32 -21 13 18 - 67 0 0 -20 30 29 1 37 33 64 142 -51 -19 26 54 -21 33 57 -18 57 35 -22 3 6 - 66 0 0 -21 19 53 1 37 23 65 143 -52 -20 16 43 -22 22 54 -19 47 37 -22 51 52 - 65 0 0 -22 8 14 1 37 13 66 143 -53 -21 5 30 -23 10 50 -20 36 36 -23 39 35 - 64 0 0 -22 55 33 1 37 3 67 143 -54 -21 53 15 -23 57 43 -21 24 33 -24 26 16 - 63 0 0 -23 41 49 1 36 54 68 143 -55 -22 39 58 -24 43 34 -22 11 27 -25 11 55 - 62 0 0 -24 27 4 1 36 44 70 143 -55 -23 25 38 -25 28 22 -22 57 20 -25 56 32 - 61 0 0 -25 11 16 1 36 34 71 144 -56 -24 10 16 -26 12 9 -23 42 10 -26 40 7 - 60 0 0 -25 54 27 1 36 25 72 144 -57 -24 53 52 -26 54 54 -24 25 58 -27 22 41 - 59 0 0 -26 36 36 1 36 15 73 145 -58 -25 36 27 -27 36 38 -25 8 44 -28 4 14 - 58 0 0 -27 17 44 1 36 6 74 145 -59 -26 18 0 -28 17 22 -25 50 29 -28 44 45 - 57 0 0 -27 57 52 1 35 56 75 146 -59 -26 58 33 -28 57 4 -26 31 13 -29 24 17 - 56 0 0 -28 36 59 1 35 47 76 147 -60 -27 38 5 -29 35 48 -27 10 56 -30 2 49 - 55 0 0 -29 15 7 1 35 38 77 148 -61 -28 16 37 -30 13 32 -27 49 40 -30 40 22 - 54 0 0 -29 52 16 1 35 29 78 149 -62 -28 54 10 -30 50 17 -28 27 24 -31 16 56 - 53 0 0 -30 28 27 1 35 20 79 151 -62 -29 30 45 -31 26 4 -29 4 10 -31 52 33 - 52 0 0 -31 3 41 1 35 11 80 153 -63 -30 6 22 -32 0 55 -29 39 57 -32 27 13 - 51 0 0 -31 37 57 1 35 2 80 155 -63 -30 41 1 -32 34 48 -30 14 47 -33 0 56 - 50 0 0 -32 11 18 1 34 53 81 158 -64 -31 14 44 -33 7 46 -30 48 41 -33 33 44 - 49 0 0 -32 43 43 1 34 44 82 162 -65 -31 47 31 -33 39 49 -31 21 38 -34 5 37 - 48 0 0 -33 15 13 1 34 36 83 166 -65 -32 19 23 -34 10 58 -31 53 40 -34 36 35 - 47 0 0 -33 45 50 1 34 27 83 171 -65 -32 50 21 -34 41 13 -32 24 48 -35 6 41 - 46 0 0 -34 15 33 1 34 19 84 178 -66 -33 20 26 -35 10 36 -32 55 2 -35 35 54 - 45 0 0 -34 44 24 1 34 11 84 186 -66 -33 49 37 -35 39 7 -33 24 23 -36 4 15 - 44 0 0 -35 12 24 1 34 2 84 195 -67 -34 17 57 -36 6 46 -33 52 52 -36 31 46 - 43 0 0 -35 39 33 1 33 54 84 205 -67 -34 45 25 -36 33 36 -34 20 30 -36 58 26 - 42 0 0 -36 5 52 1 33 46 84 215 -67 -35 12 3 -36 59 36 -34 47 16 -37 24 17 - 41 0 0 -36 31 21 1 33 38 84 225 -68 -35 37 52 -37 24 47 -35 13 13 -37 49 20 - 40 0 0 -36 56 3 1 33 30 84 233 -68 -36 2 51 -37 49 10 -35 38 21 -38 13 34 - 39 0 0 -37 19 56 1 33 23 84 241 -68 -36 27 2 -38 12 45 -36 2 41 -38 37 2 - 38 0 0 -37 43 3 1 33 15 83 247 -68 -36 50 26 -38 35 35 -36 26 13 -38 59 43 - 37 0 0 -38 5 23 1 33 7 83 251 -68 -37 13 3 -38 57 38 -36 48 58 -39 21 39 - 36 0 0 -38 26 58 1 33 0 82 255 -68 -37 34 55 -39 18 57 -37 10 56 -39 42 50 - 35 0 0 -38 47 48 1 32 52 81 258 -69 -37 56 1 -39 39 31 -37 32 10 -40 3 17 - 34 0 0 -39 7 54 1 32 45 81 261 -69 -38 16 22 -39 59 22 -37 52 38 -40 23 1 - 33 0 0 -39 27 16 1 32 38 80 263 -69 -38 35 59 -40 18 29 -38 12 22 -40 42 2 - 32 0 0 -39 45 56 1 32 31 79 265 -69 -38 54 54 -40 36 55 -38 31 23 -41 0 20 - 31 0 0 -40 3 54 1 32 24 79 266 -69 -39 13 5 -40 54 38 -38 49 41 -41 17 58 - 30 0 0 -40 21 10 1 32 16 78 267 -69 -39 30 35 -41 11 41 -39 7 17 -41 34 54 - 29 0 0 -40 37 45 1 32 10 77 268 -69 -39 47 23 -41 28 3 -39 24 11 -41 51 10 - 28 0 0 -40 53 40 1 32 3 77 268 -68 -40 3 30 -41 43 45 -39 40 25 -42 6 47 - 27 0 0 -41 8 55 1 31 56 76 269 -68 -40 18 57 -41 58 48 -39 55 57 -42 21 44 - 26 0 0 -41 23 30 1 31 49 75 269 -68 -40 33 45 -42 13 12 -40 10 50 -42 36 3 - 25 0 0 -41 37 28 1 31 43 74 270 -68 -40 47 53 -42 26 58 -40 25 3 -42 49 44 - 24 0 0 -41 50 46 1 31 36 74 270 -68 -41 1 23 -42 40 6 -40 38 38 -43 2 47 - 23 0 0 -42 3 27 1 31 29 73 270 -68 -41 14 14 -42 52 37 -40 51 34 -43 15 13 - 22 0 0 -42 15 31 1 31 23 72 270 -67 -41 26 27 -43 4 31 -41 3 52 -43 27 3 - 21 0 0 -42 26 58 1 31 17 72 270 -67 -41 38 4 -43 15 49 -41 15 32 -43 38 16 - 20 0 0 -42 37 49 1 31 10 71 270 -67 -41 49 3 -43 26 31 -41 26 36 -43 48 54 - 19 0 0 -42 48 3 1 31 4 70 269 -66 -41 59 26 -43 36 37 -41 37 2 -43 58 56 - 18 0 0 -42 57 42 1 30 58 69 269 -66 -42 9 12 -43 46 8 -41 46 53 -44 8 23 - 17 0 0 -43 6 45 1 30 52 69 269 -66 -42 18 23 -43 55 4 -41 56 7 -44 17 16 - 16 0 0 -43 15 14 1 30 46 68 269 -65 -42 26 59 -44 3 25 -42 4 45 -44 25 34 - 15 0 0 -43 23 7 1 30 40 67 268 -65 -42 34 59 -44 11 13 -42 12 49 -44 33 19 - 14 0 0 -43 30 27 1 30 34 67 268 -65 -42 42 24 -44 18 26 -42 20 17 -44 40 29 - 13 0 0 -43 37 12 1 30 28 66 268 -64 -42 49 15 -44 25 6 -42 27 10 -44 47 6 - 12 0 0 -43 43 23 1 30 22 65 267 -64 -42 55 31 -44 31 12 -42 33 29 -44 53 10 - 11 0 0 -43 49 1 1 30 16 65 267 -64 -43 1 14 -44 36 45 -42 39 14 -44 58 41 - 10 0 0 -43 54 5 1 30 10 64 267 -63 -43 6 22 -44 41 45 -42 44 24 -45 3 39 - 9 0 0 -43 58 36 1 30 5 63 266 -63 -43 10 57 -44 46 12 -42 49 0 -45 8 5 - 8 0 0 -44 2 34 1 29 59 62 266 -62 -43 14 58 -44 50 7 -42 53 3 -45 11 58 - 7 0 0 -44 5 59 1 29 53 62 265 -62 -43 18 26 -44 53 29 -42 56 32 -45 15 18 - 6 0 0 -44 8 51 1 29 48 61 265 -61 -43 21 20 -44 56 18 -42 59 27 -45 18 7 - 5 0 0 -44 11 10 1 29 42 60 264 -61 -43 23 41 -44 58 35 -43 1 49 -45 20 23 - 4 0 0 -44 12 56 1 29 37 60 264 -61 -43 25 29 -45 0 20 -43 3 38 -45 22 8 - 3 0 0 -44 14 10 1 29 31 59 263 -60 -43 26 44 -45 1 33 -43 4 53 -45 23 20 - 2 0 0 -44 14 51 1 29 26 58 263 -60 -43 27 25 -45 2 14 -43 5 35 -45 24 0 - 1 0 0 -44 15 0 1 29 21 58 262 -59 -43 27 34 -45 2 22 -43 5 44 -45 24 9 0 0 0 -44 14 36 1 29 15 57 262 -59 -43 27 10 -45 1 59 -43 5 19 -45 23 45 1 0 0 -44 13 39 1 29 10 56 261 -58 -43 26 12 -45 1 3 -43 4 21 -45 22 50 2 0 0 -44 12 10 1 29 5 55 261 -58 -43 24 42 -44 59 35 -43 2 50 -45 21 23 3 0 0 -44 10 8 1 29 0 55 260 -57 -43 22 38 -44 57 35 -43 0 45 -45 19 23 4 0 0 -44 7 33 1 28 54 54 259 -57 -43 20 0 -44 55 2 -42 58 7 -45 16 51 5 0 0 -44 4 25 1 28 49 53 259 -56 -43 16 50 -44 51 56 -42 54 55 -45 13 47 6 0 0 -44 0 44 1 28 44 53 258 -56 -43 13 5 -44 48 18 -42 51 9 -45 10 11 7 0 0 -43 56 29 1 28 39 52 258 -55 -43 8 47 -44 44 8 -42 46 50 -45 6 1 8 0 0 -43 51 41 1 28 34 51 257 -55 -43 3 55 -44 39 24 -42 41 56 -45 1 19 9 0 0 -43 46 20 1 28 29 51 257 -54 -42 58 29 -44 34 7 -42 36 27 -44 56 4 10 0 0 -43 40 24 1 28 24 50 256 -53 -42 52 29 -44 28 16 -42 30 24 -44 50 16 11 0 0 -43 33 55 1 28 19 49 255 -53 -42 45 53 -44 21 52 -42 23 47 -44 43 55 12 0 0 -43 26 50 1 28 14 48 255 -52 -42 38 43 -44 14 54 -42 16 34 -44 36 59 13 0 0 -43 19 12 1 28 10 48 254 -52 -42 30 58 -44 7 21 -42 8 45 -44 29 30 14 0 0 -43 10 58 1 28 5 47 254 -51 -42 22 37 -43 59 14 -42 0 21 -44 21 26 15 0 0 -43 2 8 1 28 0 46 253 -51 -42 13 40 -43 50 32 -41 51 21 -44 12 47 16 0 0 -42 52 43 1 27 55 46 252 -50 -42 4 7 -43 41 15 -41 41 44 -44 3 34 17 0 0 -42 42 42 1 27 50 45 252 -49 -41 53 57 -43 31 22 -41 31 31 -43 53 44 18 0 0 -42 32 4 1 27 46 44 251 -49 -41 43 10 -43 20 53 -41 20 40 -43 43 19 19 0 0 -42 20 49 1 27 41 43 251 -48 -41 31 46 -43 9 48 -41 9 11 -43 32 18 20 0 0 -42 8 56 1 27 36 43 250 -48 -41 19 44 -42 58 5 -40 57 4 -43 20 40 21 0 0 -41 56 26 1 27 32 42 249 -47 -41 7 3 -42 45 45 -40 44 18 -43 8 25 22 0 0 -41 43 17 1 27 27 41 249 -46 -40 53 43 -42 32 47 -40 30 53 -42 55 32 23 0 0 -41 29 29 1 27 23 40 248 -46 -40 39 43 -42 19 10 -40 16 48 -42 42 0 24 0 0 -41 15 1 1 27 18 40 248 -45 -40 25 4 -42 4 54 -40 2 3 -42 27 50 25 0 0 -40 59 53 1 27 14 39 247 -44 -40 9 43 -41 49 59 -39 46 37 -42 13 0 26 0 0 -40 44 5 1 27 9 38 246 -44 -39 53 42 -41 34 23 -39 30 29 -41 57 31 27 0 0 -40 27 35 1 27 5 37 246 -43 -39 36 58 -41 18 7 -39 13 39 -41 41 20 28 0 0 -40 10 22 1 27 1 36 245 -42 -39 19 32 -41 1 9 -38 56 7 -41 24 28 29 0 0 -39 52 27 1 26 56 36 245 -42 -39 1 22 -40 43 28 -38 37 50 -41 6 55 30 0 0 -39 33 49 1 26 52 35 244 -41 -38 42 28 -40 25 5 -38 18 50 -40 48 38 31 0 0 -39 14 26 1 26 48 34 243 -40 -38 22 50 -40 5 57 -37 59 4 -40 29 38 32 0 0 -38 54 18 1 26 44 33 243 -39 -38 2 26 -39 46 6 -37 38 32 -40 9 54 33 0 0 -38 33 24 1 26 40 32 242 -39 -37 41 15 -39 25 29 -37 17 14 -39 49 24 34 0 0 -38 11 44 1 26 36 31 242 -38 -37 19 18 -39 4 6 -36 55 8 -39 28 9 35 0 0 -37 49 16 1 26 32 31 241 -37 -36 56 32 -38 41 56 -36 32 14 -39 6 7 36 0 0 -37 26 0 1 26 28 30 241 -36 -36 32 57 -38 18 58 -36 8 31 -38 43 18 37 0 0 -37 1 55 1 26 24 29 240 -36 -36 8 33 -37 55 11 -35 43 58 -38 19 40 38 0 0 -36 36 59 1 26 20 28 239 -35 -35 43 18 -37 30 36 -35 18 34 -37 55 13 39 0 0 -36 11 13 1 26 16 27 239 -34 -35 17 11 -37 5 9 -34 52 18 -37 29 56 40 0 0 -35 44 35 1 26 13 26 238 -33 -34 50 12 -36 38 51 -34 25 9 -37 3 48 41 0 0 -35 17 3 1 26 9 25 238 -32 -34 22 20 -36 11 41 -33 57 7 -36 36 47 42 0 0 -34 48 38 1 26 5 24 237 -32 -33 53 33 -35 43 38 -33 28 10 -36 8 53 43 0 0 -34 19 18 1 26 2 23 237 -31 -33 23 50 -35 14 40 -32 58 17 -35 40 6 44 0 0 -33 49 2 1 25 59 22 236 -30 -32 53 11 -34 44 47 -32 27 27 -35 10 23 45 0 0 -33 17 49 1 25 55 21 236 -29 -32 21 35 -34 13 57 -31 55 40 -34 39 44 46 0 0 -32 45 39 1 25 52 20 235 -28 -31 49 0 -33 42 10 -31 22 54 -34 8 9 47 0 0 -32 12 29 1 25 49 19 235 -27 -31 15 26 -33 9 25 -30 49 9 -33 35 35 48 0 0 -31 38 20 1 25 46 18 234 -26 -30 40 52 -32 35 41 -30 14 23 -33 2 2 49 0 0 -31 3 10 1 25 43 17 234 -26 -30 5 16 -32 0 56 -29 38 35 -32 27 28 50 0 0 -30 26 58 1 25 41 16 233 -25 -29 28 38 -31 25 10 -29 1 45 -31 51 54 51 0 0 -29 49 43 1 25 38 15 233 -24 -28 50 56 -30 48 21 -28 23 51 -31 15 18 52 0 0 -29 11 24 1 25 36 14 232 -23 -28 12 10 -30 10 30 -27 44 52 -30 37 38 53 0 0 -28 32 0 1 25 33 13 232 -22 -27 32 19 -29 31 34 -27 4 48 -29 58 55 54 0 0 -27 51 31 1 25 31 12 231 -21 -26 51 22 -28 51 32 -26 23 38 -29 19 6 55 0 0 -27 9 56 1 25 29 11 231 -20 -26 9 18 -28 10 25 -25 41 21 -28 38 12 56 0 0 -26 27 13 1 25 27 10 230 -19 -25 26 6 -27 28 11 -24 57 56 -27 56 11 57 0 0 -25 43 22 1 25 26 9 230 -18 -24 41 46 -26 44 49 -24 13 22 -27 13 3 58 0 0 -24 58 23 1 25 24 7 229 -17 -23 56 17 -26 0 19 -23 27 39 -26 28 46 59 0 0 -24 12 14 1 25 23 6 229 -16 -23 9 38 -25 14 40 -22 40 46 -25 43 21 60 0 0 -23 24 55 1 25 22 5 229 -14 -22 21 49 -24 27 52 -21 52 43 -24 56 46 61 0 0 -22 36 26 1 25 21 4 228 -13 -21 32 49 -23 39 53 -21 3 30 -24 9 1 62 0 0 -21 46 47 1 25 20 3 228 -12 -20 42 39 -22 50 44 -20 13 5 -23 20 6 63 0 0 -20 55 57 1 25 20 1 227 -11 -19 51 18 -22 0 24 -19 21 30 -22 30 0 64 0 0 -20 3 55 1 25 20 0 227 -10 .. .. .. -21 8 54 .. .. .. -21 38 43 Uncertainty in time = +/- 4 secs [Prediction of 2008 May 8.0] Data for the target star ------------------------ * name: TYC 7808-00287-1 * constellation : Centaurus * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 14 15 11.8996 DE: -39 44 41.901 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .030, .028 ) * V mag [mag]: 11.9 * B mag [mag]: 13.2 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (89) Julia approx. diameter [km]: 175 approx. diameter ["]: .132 distance from Earth [AU]: 1.83200 * orbital information: orbit source: Preston date of fit: 2008 May 07 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 988 number of rejected observations: 129 time covered by the observations: 1907 Sep 09 - 2008 May 05 1 sigma uncertainty ellipse (major, minor, PA): 0.021, 0.011, 117° remarks: * orbital elements for (89) Julia : Mean anomaly = 251.31417060 deg Arg. of pericenter = 44.89824052 deg Long. of node = 311.64719072 deg Inclination = 16.14257513 deg Eccentricity = 0.18399956 Semimajor axis = 2.54971918 AU Perihelion dist = 2.08057197 AU Mag: H = 6.70, G = 0.15 Epoch of elements : MJD 54604.06500000 TDT (2008 May 18.065) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 May 18 89 Julia 1h 33.9m UT 11.9 14 15 11.900-39 44 41.90TYC 7808-00287-1 13.2 10.8 175 14.1 1.832 -2.499 17.39 -45.7786 -39.750 155.65 19.60 1.5642 0.04283 0.07142 -6.00522 3.61953 0.00192 0.00169 2000 250.3301012008 514.00000 44.898241311.647191 16.1425750.18399956 2.5497192 2.0805720 6.6 5.00.15 RATE 2.4208370 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.037 0.030 99 1.23 0.030 0 54594.5020080518_0287-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 May 08, 03:28 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org