IOTA/IOTA-ES occultation update for (260) Huberta / UCAC2 27390911 event on 2007 Jul 03, 00:01 UT Visible from SW Asia, Arabia, Africa Summary ------- On 2007 Jul 03 UT, the 95 km diameter asteroid (260) Huberta will occult a 10.9 mag star in the constellation Capricornus for observers along a path across SW Asia, Arabia, Africa. In the case of an occultation, the combined light of the asteroid and the star will drop by 2.9 mag to 13.7 mag (the magnitude of the asteroid) for at most 10.0 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: 73 * date and approx. time of event: 2007 Jul 02, 23:53 - 2007 Jul 03, 00:10 UT * magnitude of target star: 10.9 * magnitude drop [mag]: 2.9 * estimated maximum duration [s]: 10.0 * Moon: 93 % sunlit, 12° distance * Sun: 156° distance * rough path description: SW Asia, Arabia, Africa The occultation path -------------------- * approximate projected width [km]: 116 * 1 sigma uncertainty interval [path widths]: +/- 0.79 * 1 sigma uncertainty interval [seconds]: +/- 8.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .054 +/- .047) * 1 sigma uncertainty ellipse (major, minor, PA): ( .054", .047", 87° ) * approx speed of asteroid's shadow [km/s]: 9.5463 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC2 27390911 by 260 Huberta on 2007 Jul 03 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 - 63 0 0 20 40 50 0 10 15 1 104 -16 21 13 25 .. .. .. 22 5 23 .. .. .. - 62 0 0 20 27 50 0 10 15 2 104 -17 21 0 22 19 55 31 21 52 15 .. .. .. - 61 0 0 20 15 10 0 10 14 3 104 -18 20 47 39 19 42 54 21 39 27 .. .. .. - 60 0 0 20 2 50 0 10 13 4 105 -19 20 35 16 19 30 36 21 27 0 .. .. .. - 59 0 0 19 50 50 0 10 12 5 105 -20 20 23 13 19 18 39 21 14 52 .. .. .. - 58 0 0 19 39 10 0 10 11 6 105 -20 20 11 31 19 7 2 21 3 6 .. .. .. - 57 0 0 19 27 51 0 10 10 7 106 -21 20 0 9 18 55 45 20 51 39 18 5 28 - 56 0 0 19 16 52 0 10 8 8 106 -22 19 49 8 18 44 49 20 40 34 17 54 36 - 55 0 0 19 6 14 0 10 6 9 106 -23 19 38 28 18 34 14 20 29 50 17 44 4 - 54 0 0 18 55 57 0 10 4 9 107 -24 19 28 8 18 23 59 20 19 26 17 33 54 - 53 0 0 18 46 2 0 10 2 10 107 -25 19 18 10 18 14 6 20 9 24 17 24 4 - 52 0 0 18 36 27 0 9 59 11 107 -26 19 8 33 18 4 34 19 59 43 17 14 35 - 51 0 0 18 27 14 0 9 56 12 108 -26 18 59 18 17 55 22 19 50 24 17 5 28 - 50 0 0 18 18 22 0 9 53 13 108 -27 18 50 24 17 46 33 19 41 27 16 56 41 - 49 0 0 18 9 52 0 9 50 14 108 -28 18 41 51 17 38 5 19 32 51 16 48 16 - 48 0 0 18 1 43 0 9 47 15 109 -29 18 33 40 17 29 58 19 24 37 16 40 13 - 47 0 0 17 53 56 0 9 43 16 109 -30 18 25 51 17 22 13 19 16 44 16 32 30 - 46 0 0 17 46 31 0 9 39 17 110 -30 18 18 24 17 14 49 19 9 14 16 25 10 - 45 0 0 17 39 27 0 9 35 18 110 -31 18 11 19 17 7 48 19 2 6 16 18 11 - 44 0 0 17 32 46 0 9 31 19 110 -32 18 4 36 17 1 8 18 55 20 16 11 34 - 43 0 0 17 26 26 0 9 27 20 111 -33 17 58 14 16 54 50 18 48 56 16 5 18 - 42 0 0 17 20 28 0 9 22 21 111 -33 17 52 15 16 48 54 18 42 54 15 59 25 - 41 0 0 17 14 53 0 9 17 22 111 -34 17 46 38 16 43 20 18 37 14 15 53 53 - 40 0 0 17 9 39 0 9 12 22 112 -35 17 41 23 16 38 8 18 31 57 15 48 43 - 39 0 0 17 4 48 0 9 7 23 112 -36 17 36 30 16 33 17 18 27 2 15 43 55 - 38 0 0 17 0 18 0 9 2 24 113 -36 17 32 0 16 28 49 18 22 29 15 39 29 - 37 0 0 16 56 11 0 8 56 25 113 -37 17 27 51 16 24 43 18 18 19 15 35 24 - 36 0 0 16 52 26 0 8 50 26 113 -38 17 24 5 16 20 59 18 14 31 15 31 42 - 35 0 0 16 49 3 0 8 45 27 114 -38 17 20 41 16 17 37 18 11 5 15 28 22 - 34 0 0 16 46 2 0 8 38 28 114 -39 17 17 39 16 14 37 18 8 2 15 25 23 - 33 0 0 16 43 24 0 8 32 29 115 -40 17 15 0 16 12 0 18 5 21 15 22 47 - 32 0 0 16 41 7 0 8 26 29 115 -40 17 12 43 16 9 44 18 3 3 15 20 32 - 31 0 0 16 39 13 0 8 19 30 116 -41 17 10 47 16 7 50 18 1 7 15 18 39 - 30 0 0 16 37 41 0 8 12 31 116 -41 17 9 15 16 6 18 17 59 33 15 17 8 - 29 0 0 16 36 30 0 8 5 32 117 -42 17 8 4 16 5 9 17 58 21 15 15 59 - 28 0 0 16 35 42 0 7 58 33 117 -42 17 7 15 16 4 21 17 57 32 15 15 12 - 27 0 0 16 35 16 0 7 51 34 118 -43 17 6 49 16 3 55 17 57 5 15 14 47 - 26 0 0 16 35 12 0 7 44 34 119 -44 17 6 44 16 3 51 17 57 0 15 14 43 - 25 0 0 16 35 30 0 7 36 35 119 -44 17 7 2 16 4 9 17 57 17 15 15 2 - 24 0 0 16 36 9 0 7 28 36 120 -44 17 7 41 16 4 49 17 57 57 15 15 41 - 23 0 0 16 37 11 0 7 21 37 120 -45 17 8 43 16 5 50 17 58 58 15 16 43 - 22 0 0 16 38 34 0 7 13 38 121 -45 17 10 6 16 7 13 18 0 22 15 18 6 - 21 0 0 16 40 19 0 7 4 38 122 -46 17 11 51 16 8 58 18 2 7 15 19 50 - 20 0 0 16 42 25 0 6 56 39 122 -46 17 13 58 16 11 5 18 4 14 15 21 56 - 19 0 0 16 44 54 0 6 48 40 123 -46 17 16 27 16 13 32 18 6 43 15 24 24 - 18 0 0 16 47 43 0 6 39 41 124 -47 17 19 17 16 16 22 18 9 34 15 27 12 - 17 0 0 16 50 55 0 6 31 41 125 -47 17 22 29 16 19 32 18 12 47 15 30 22 - 16 0 0 16 54 27 0 6 22 42 125 -47 17 26 2 16 23 4 18 16 21 15 33 53 - 15 0 0 16 58 21 0 6 13 43 126 -48 17 29 56 16 26 58 18 20 16 15 37 46 - 14 0 0 17 2 36 0 6 4 44 127 -48 17 34 12 16 31 12 18 24 33 15 41 59 - 13 0 0 17 7 12 0 5 55 44 128 -48 17 38 49 16 35 47 18 29 11 15 46 33 - 12 0 0 17 12 9 0 5 46 45 129 -48 17 43 47 16 40 43 18 34 11 15 51 28 - 11 0 0 17 17 27 0 5 36 46 130 -48 17 49 6 16 46 0 18 39 31 15 56 43 - 10 0 0 17 23 6 0 5 27 46 131 -49 17 54 46 16 51 38 18 45 13 16 2 19 - 9 0 0 17 29 5 0 5 17 47 132 -49 18 0 46 16 57 36 18 51 15 16 8 16 - 8 0 0 17 35 25 0 5 8 47 133 -49 18 7 7 17 3 55 18 57 38 16 14 33 - 7 0 0 17 42 6 0 4 58 48 134 -49 18 13 49 17 10 34 19 4 22 16 21 10 - 6 0 0 17 49 6 0 4 48 49 135 -49 18 20 51 17 17 34 19 11 27 16 28 7 - 5 0 0 17 56 27 0 4 39 49 136 -49 18 28 13 17 24 53 19 18 51 16 35 25 - 4 0 0 18 4 8 0 4 29 50 137 -49 18 35 56 17 32 33 19 26 36 16 43 2 - 3 0 0 18 12 9 0 4 19 50 138 -49 18 43 58 17 40 32 19 34 41 16 50 59 - 2 0 0 18 20 30 0 4 8 51 140 -49 18 52 21 17 48 51 19 43 6 16 59 16 - 1 0 0 18 29 10 0 3 58 51 141 -49 19 1 3 17 57 30 19 51 51 17 7 52 0 0 0 18 38 10 0 3 48 52 142 -48 19 10 4 18 6 28 20 0 55 17 16 47 1 0 0 18 47 29 0 3 38 52 144 -48 19 19 25 18 15 45 20 10 19 17 26 2 2 0 0 18 57 7 0 3 27 52 145 -48 19 29 5 18 25 22 20 20 2 17 35 35 3 0 0 19 7 4 0 3 17 53 146 -48 19 39 4 18 35 17 20 30 5 17 45 27 4 0 0 19 17 20 0 3 7 53 148 -48 19 49 22 18 45 31 20 40 26 17 55 38 5 0 0 19 27 55 0 2 56 53 149 -47 19 59 59 18 56 3 20 51 6 18 6 8 6 0 0 19 38 48 0 2 46 54 151 -47 20 10 54 19 6 54 21 2 5 18 16 56 7 0 0 19 49 59 0 2 35 54 152 -47 20 22 8 19 18 4 21 13 21 18 28 2 8 0 0 20 1 29 0 2 24 54 154 -46 20 33 39 19 29 31 21 24 57 18 39 25 9 0 0 20 13 16 0 2 14 54 156 -46 20 45 29 19 41 16 21 36 50 18 51 7 10 0 0 20 25 21 0 2 3 55 157 -46 20 57 36 19 53 18 21 49 1 19 3 6 11 0 0 20 37 43 0 1 53 55 159 -45 21 10 0 20 5 38 22 1 29 19 15 22 12 0 0 20 50 22 0 1 42 55 160 -45 21 22 42 20 18 15 22 14 15 19 27 56 13 0 0 21 3 19 0 1 31 55 162 -44 21 35 41 20 31 9 22 27 18 19 40 46 14 0 0 21 16 32 0 1 20 55 164 -44 21 48 57 20 44 20 22 40 37 19 53 53 15 0 0 21 30 1 0 1 10 55 165 -43 22 2 29 20 57 47 22 54 14 20 7 16 16 0 0 21 43 47 0 0 59 55 167 -43 22 16 17 21 11 30 23 8 6 20 20 55 17 0 0 21 57 49 0 0 48 55 169 -42 22 30 21 21 25 29 23 22 15 20 34 51 18 0 0 22 12 6 0 0 38 55 170 -42 22 44 42 21 39 44 23 36 39 20 49 2 19 0 0 22 26 39 0 0 27 55 172 -41 22 59 17 21 54 15 23 51 19 21 3 28 20 0 0 22 41 27 0 0 16 55 174 -41 23 14 8 22 9 0 24 6 14 21 18 10 21 0 0 22 56 30 0 0 6 55 175 -40 23 29 14 22 24 1 24 21 24 21 33 6 22 0 0 23 11 48 -0 0 5 54 177 -40 23 44 34 22 39 16 24 36 49 21 48 17 23 0 0 23 27 20 -0 0 15 54 179 -39 24 0 9 22 54 45 24 52 28 22 3 42 24 0 0 23 43 6 -0 0 26 54 180 -38 24 15 58 23 10 28 25 8 22 22 19 21 25 0 0 23 59 6 -0 0 36 54 182 -38 24 32 0 23 26 25 25 24 29 22 35 14 26 0 0 24 15 19 -0 0 47 53 183 -37 24 48 16 23 42 35 25 40 49 22 51 20 27 0 0 24 31 45 -0 0 57 53 185 -36 25 4 45 23 58 59 25 57 22 23 7 39 28 0 0 24 48 24 -0 1 8 53 186 -36 25 21 27 24 15 35 26 14 9 23 24 11 29 0 0 25 5 15 -0 1 18 52 188 -35 25 38 21 24 32 24 26 31 7 23 40 56 30 0 0 25 22 18 -0 1 28 52 189 -34 25 55 27 24 49 24 26 48 18 23 57 52 31 0 0 25 39 34 -0 1 38 51 191 -34 26 12 45 25 6 37 27 5 40 24 15 0 32 0 0 25 57 0 -0 1 48 51 192 -33 26 30 14 25 24 0 27 23 14 24 32 20 33 0 0 26 14 37 -0 1 58 50 193 -32 26 47 54 25 41 35 27 40 58 24 49 51 34 0 0 26 32 25 -0 2 8 50 195 -31 27 5 44 25 59 20 27 58 53 25 7 32 35 0 0 26 50 23 -0 2 18 49 196 -31 27 23 45 26 17 16 28 16 59 25 25 23 36 0 0 27 8 32 -0 2 28 49 197 -30 27 41 56 26 35 21 28 35 14 25 43 25 37 0 0 27 26 49 -0 2 38 48 199 -29 28 0 16 26 53 36 28 53 38 26 1 36 38 0 0 27 45 16 -0 2 47 48 200 -28 28 18 46 27 12 0 29 12 12 26 19 56 39 0 0 28 3 51 -0 2 57 47 201 -28 28 37 23 27 30 33 29 30 54 26 38 25 40 0 0 28 22 35 -0 3 6 47 202 -27 28 56 10 27 49 14 29 49 44 26 57 2 41 0 0 28 41 26 -0 3 15 46 203 -26 29 15 3 28 8 3 30 8 42 27 15 47 42 0 0 29 0 25 -0 3 24 45 204 -25 29 34 5 28 26 59 30 27 48 27 34 40 43 0 0 29 19 31 -0 3 33 45 206 -25 29 53 13 28 46 3 30 47 0 27 53 40 44 0 0 29 38 43 -0 3 42 44 207 -24 30 12 28 29 5 13 31 6 18 28 12 46 45 0 0 29 58 2 -0 3 51 43 208 -23 30 31 49 29 24 29 31 25 43 28 31 59 46 0 0 30 17 26 -0 4 0 43 209 -22 30 51 15 29 43 51 31 45 13 28 51 18 47 0 0 30 36 55 -0 4 8 42 210 -21 31 10 47 30 3 19 32 4 48 29 10 42 48 0 0 30 56 30 -0 4 17 41 211 -20 31 30 23 30 22 51 32 24 28 29 30 11 49 0 0 31 16 9 -0 4 25 41 212 -20 31 50 4 30 42 28 32 44 13 29 49 45 50 0 0 31 35 51 -0 4 33 40 213 -19 32 9 49 31 2 9 33 4 1 30 9 23 51 0 0 31 55 38 -0 4 41 39 214 -18 32 29 37 31 21 53 33 23 52 30 29 4 52 0 0 32 15 27 -0 4 49 38 214 -17 32 49 28 31 41 41 33 43 46 30 48 49 53 0 0 32 35 19 -0 4 57 38 215 -16 33 9 22 32 1 31 34 3 42 31 8 36 54 0 0 32 55 13 -0 5 4 37 216 -16 33 29 17 32 21 23 34 23 41 31 28 26 55 0 0 33 15 8 -0 5 12 36 217 -15 33 49 15 32 41 17 34 43 40 31 48 18 56 0 0 33 35 5 -0 5 19 35 218 -14 34 9 13 33 1 13 35 3 41 32 8 11 57 0 0 33 55 3 -0 5 26 35 219 -13 34 29 12 33 21 9 35 23 42 32 28 5 58 0 0 34 15 0 -0 5 33 34 220 -12 34 49 11 33 41 5 35 43 43 32 48 0 59 0 0 34 34 58 -0 5 40 33 220 -11 35 9 10 34 1 2 36 3 44 33 7 55 60 0 0 34 54 55 -0 5 47 32 221 -11 35 29 8 34 20 58 36 23 44 33 27 49 61 0 0 35 14 51 -0 5 53 32 222 -10 35 49 5 34 40 53 36 43 43 33 47 42 62 0 0 35 34 46 -0 6 0 31 223 -9 36 9 0 35 0 46 37 3 40 34 7 35 63 0 0 35 54 38 -0 6 6 30 224 -8 36 28 54 35 20 38 37 23 34 34 27 25 64 0 0 36 14 28 -0 6 12 29 224 -7 36 48 44 35 40 28 37 43 26 34 47 14 65 0 0 36 34 15 -0 6 18 28 225 -6 37 8 32 36 0 14 38 3 15 35 6 59 66 0 0 36 53 59 -0 6 23 28 226 -6 37 28 16 36 19 58 38 23 0 35 26 42 67 0 0 37 13 39 -0 6 29 27 227 -5 37 47 57 36 39 37 38 42 41 35 46 21 68 0 0 37 33 15 -0 6 34 26 227 -4 38 7 33 36 59 13 39 2 17 36 5 57 69 0 0 37 52 47 -0 6 39 25 228 -3 38 27 4 37 18 44 39 21 49 36 25 28 70 0 0 38 12 13 -0 6 44 25 229 -2 38 46 31 37 38 11 39 41 15 36 44 54 71 0 0 38 31 34 -0 6 49 24 230 -1 39 5 51 37 57 31 40 0 36 37 4 15 72 0 0 38 50 49 -0 6 54 23 230 -1 39 25 6 38 16 47 40 19 50 37 23 31 73 0 0 39 9 57 -0 6 58 22 231 0 39 44 15 38 35 56 40 38 58 37 42 40 74 0 0 39 29 0 -0 7 3 21 232 1 40 3 16 38 54 58 40 57 59 38 1 43 75 0 0 39 47 55 -0 7 7 21 232 2 40 22 11 39 13 54 41 16 52 38 20 40 76 0 0 40 6 42 -0 7 11 20 233 3 40 40 58 39 32 42 41 35 38 38 39 29 77 0 0 40 25 22 -0 7 15 19 234 3 40 59 37 39 51 23 41 54 16 38 58 11 78 0 0 40 43 54 -0 7 18 18 234 4 41 18 8 40 9 56 42 12 45 39 16 45 79 0 0 41 2 17 -0 7 22 17 235 5 41 36 30 40 28 20 42 31 6 39 35 11 80 0 0 41 20 32 -0 7 25 17 236 6 41 54 43 40 46 35 42 49 17 39 53 28 81 0 0 41 38 37 -0 7 28 16 237 7 42 12 47 41 4 42 43 7 19 40 11 36 82 0 0 41 56 33 -0 7 31 15 237 7 42 30 42 41 22 39 43 25 12 40 29 35 83 0 0 42 14 19 -0 7 34 14 238 8 42 48 26 41 40 26 43 42 54 40 47 25 84 0 0 42 31 54 -0 7 37 13 239 9 43 6 0 41 58 3 44 0 25 41 5 4 85 0 0 42 49 20 -0 7 39 13 239 10 43 23 24 42 15 30 44 17 46 41 22 34 86 0 0 43 6 34 -0 7 42 12 240 11 43 40 37 42 32 47 44 34 56 41 39 53 87 0 0 43 23 38 -0 7 44 11 241 11 43 57 39 42 49 52 44 51 55 41 57 1 88 0 0 43 40 30 -0 7 46 10 241 12 44 14 29 43 6 46 45 8 43 42 13 58 89 0 0 43 57 11 -0 7 48 10 242 13 44 31 8 43 23 29 45 25 18 42 30 44 90 0 0 44 13 40 -0 7 50 9 243 14 44 47 35 43 40 0 45 41 42 42 47 18 91 0 0 44 29 57 -0 7 51 8 244 14 45 3 50 43 56 20 45 57 53 43 3 41 92 0 0 44 46 2 -0 7 53 7 244 15 45 19 53 44 12 27 46 13 52 43 19 51 93 0 0 45 1 55 -0 7 54 7 245 16 45 35 43 44 28 21 46 29 38 43 35 49 94 0 0 45 17 34 -0 7 55 6 246 17 45 51 20 44 44 4 46 45 12 43 51 35 95 0 0 45 33 1 -0 7 56 5 246 17 46 6 44 44 59 33 47 0 32 .. .. .. 96 0 0 45 48 15 -0 7 57 4 247 18 46 21 56 45 14 49 47 15 39 .. .. .. 97 0 0 46 3 16 -0 7 58 4 248 19 46 36 54 45 29 52 47 30 33 .. .. .. 98 0 0 46 18 3 -0 7 58 3 249 20 46 51 38 45 44 42 47 45 13 .. .. .. 99 0 0 46 32 37 -0 7 59 2 249 20 47 6 9 45 59 19 47 59 40 .. .. .. 100 0 0 46 46 57 -0 7 59 1 250 21 47 20 27 46 13 41 48 13 52 .. .. .. 101 0 0 47 1 3 -0 7 59 1 251 22 47 34 30 46 27 50 48 27 51 .. .. .. 102 0 0 47 14 55 -0 7 59 0 251 23 .. .. .. 46 41 45 .. .. .. .. .. .. Data for the target star ------------------------ * name: UCAC2 27390911 * constellation : Capricornus * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 20 17 27.7155 DE: -12 32 25.732 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .045, .043 ) * V mag [mag]: 10.9 * B mag [mag]: 0.0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (260) Huberta approx. diameter [km]: 95 approx. diameter ["]: .060 distance from Earth [AU]: 2.20000 * orbital information: orbit source: Preston date of fit: 2007 Jun 28 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 872 number of rejected observations: 72 time covered by the observations: 1914 Jan 18 - 2007 Jun 16 1 sigma uncertainty ellipse (major, minor, PA): 0.030, 0.019, 81° remarks: * orbital elements for (260) Huberta : Mean anomaly = 320.14086157 deg Arg. of pericenter = 180.33463408 deg Long. of node = 165.44460673 deg Inclination = 6.41540104 deg Eccentricity = 0.11742414 Semimajor axis = 3.44314128 AU Perihelion dist = 3.03883337 AU Mag: H = 9.00, G = 0.15 Epoch of elements : MJD 54284.00100000 TDT (2007 Jul 03.001) ------ occelmnt file for Occult BEGIN ----------------------------------- 2007 Jul 03 260 Huberta 0h 1.1m UT 10.9 20 17 27.715-12 32 25.73UCAC2 27390911 0.0 13.7 95 10.0 2.200 -1.431 -5.08 23.442 -12.538 -179.26 23.00 0.0187 -.13471 .55593 -5.23661 -1.26910 -0.00202 -0.00111 2000 319.5236412007 629.00000180.334634165.444607 6.4154010.117424143.443141283.038833378.975 0.15 RATE 1.5426660 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.054 0.047 87.2 1.790 0.047 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2007 Jun 29, 02:09 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org