IOTA/IOTA-ES occultation update for (1483) Hakoila / TYC 0023-01210-1 event on 2012 Nov 19, 13:22 UT Visible from N Australia Summary ------- On 2012 Nov 19 UT, the 17 km diameter asteroid (1483) Hakoila will occult a 10.3 mag star in the constellation Pisces for observers along a path across N Australia. In the case of an occultation, the combined light of the asteroid and the star will drop by 5.9 mag to 16.2 mag (the magnitude of the asteroid) for at most 2.0 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: 19 * date and approx. time of event: 2012 Nov 19, 13:11 - 2012 Nov 19, 13:32 UT * geocentric midpoint of event [JD]: 2456251.057725 * magnitude of target star: 10.3 * magnitude drop [mag]: 5.9 * estimated maximum duration [s]: 2.0 * Moon: 39 % sunlit, 66° distance * Sun: 142° distance * rough path description: N Australia The occultation path -------------------- * approximate projected width [km]: 18 * 1 sigma uncertainty interval [path widths]: +/- 3.52 * 1 sigma uncertainty interval [seconds]: +/- 7.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .044 +/- .039) * 1 sigma uncertainty ellipse (major, minor, PA): ( .044", .039", 73° ) * approx speed of asteroid's shadow [km/s]: 8.4865 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 0023-01210-1 by 1483 Hakoila on 2012 Nov 19 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 72 0 0 -21 42 44 13 32 11 38 66 0 -21 37 49 -21 47 40 -21 3 16 -22 22 22 73 0 0 -21 34 0 13 32 3 39 65 -1 -21 29 5 -21 38 55 -20 54 31 -22 13 38 74 0 0 -21 25 12 13 31 55 40 65 -2 -21 20 17 -21 30 7 -20 45 43 -22 4 51 75 0 0 -21 16 21 13 31 47 41 64 -3 -21 11 26 -21 21 17 -20 36 51 -21 56 0 76 0 0 -21 7 27 13 31 38 42 64 -4 -21 2 32 -21 12 23 -20 27 57 -21 47 6 77 0 0 -20 58 30 13 31 30 42 63 -5 -20 53 35 -21 3 26 -20 19 0 -21 38 10 78 0 0 -20 49 31 13 31 21 43 63 -6 -20 44 35 -20 54 26 -20 10 0 -21 29 10 79 0 0 -20 40 29 13 31 13 44 62 -7 -20 35 33 -20 45 24 -20 0 58 -21 20 8 80 0 0 -20 31 24 13 31 4 45 61 -8 -20 26 29 -20 36 20 -19 51 53 -21 11 4 81 0 0 -20 22 17 13 30 55 46 61 -8 -20 17 22 -20 27 13 -19 42 47 -21 1 57 82 0 0 -20 13 8 13 30 46 47 60 -9 -20 8 13 -20 18 4 -19 33 38 -20 52 49 83 0 0 -20 3 58 13 30 36 48 59 -10 -19 59 2 -20 8 53 -19 24 27 -20 43 38 84 0 0 -19 54 45 13 30 27 48 59 -11 -19 49 50 -19 59 41 -19 15 14 -20 34 25 85 0 0 -19 45 31 13 30 18 49 58 -12 -19 40 35 -19 50 26 -19 6 0 -20 25 11 86 0 0 -19 36 15 13 30 8 50 57 -13 -19 31 20 -19 41 11 -18 56 44 -20 15 56 87 0 0 -19 26 58 13 29 58 51 56 -14 -19 22 3 -19 31 54 -18 47 27 -20 6 39 88 0 0 -19 17 40 13 29 48 52 56 -15 -19 12 45 -19 22 36 -18 38 9 -19 57 21 89 0 0 -19 8 21 13 29 38 53 55 -15 -19 3 25 -19 13 16 -18 28 50 -19 48 1 90 0 0 -18 59 1 13 29 28 53 54 -16 -18 54 5 -19 3 56 -18 19 30 -19 38 41 91 0 0 -18 49 40 13 29 18 54 53 -17 -18 44 45 -18 54 36 -18 10 9 -19 29 21 92 0 0 -18 40 19 13 29 7 55 52 -18 -18 35 24 -18 45 15 -18 0 48 -19 19 59 93 0 0 -18 30 57 13 28 57 56 51 -19 -18 26 2 -18 35 53 -17 51 26 -19 10 38 94 0 0 -18 21 36 13 28 46 57 50 -20 -18 16 40 -18 26 31 -17 42 5 -19 1 16 95 0 0 -18 12 14 13 28 36 58 49 -21 -18 7 18 -18 17 9 -17 32 43 -18 51 54 96 0 0 -18 2 52 13 28 25 58 48 -22 -17 57 57 -18 7 48 -17 23 21 -18 42 32 97 0 0 -17 53 31 13 28 14 59 47 -22 -17 48 35 -17 58 26 -17 14 0 -18 33 10 98 0 0 -17 44 10 13 28 3 60 46 -23 -17 39 14 -17 49 5 -17 4 39 -18 23 49 99 0 0 -17 34 49 13 27 52 61 45 -24 -17 29 54 -17 39 44 -16 55 19 -18 14 28 100 0 0 -17 25 29 13 27 41 61 43 -25 -17 20 34 -17 30 25 -16 45 59 -18 5 8 101 0 0 -17 16 10 13 27 30 62 42 -26 -17 11 15 -17 21 6 -16 36 41 -17 55 49 102 0 0 -17 6 53 13 27 18 63 41 -27 -17 1 57 -17 11 48 -16 27 23 -17 46 31 103 0 0 -16 57 36 13 27 7 63 39 -28 -16 52 41 -17 2 31 -16 18 7 -17 37 14 104 0 0 -16 48 21 13 26 55 64 38 -28 -16 43 26 -16 53 16 -16 8 52 -17 27 59 105 0 0 -16 39 7 13 26 44 65 36 -29 -16 34 12 -16 44 2 -15 59 39 -17 18 45 106 0 0 -16 29 55 13 26 32 65 34 -30 -16 25 0 -16 34 50 -15 50 27 -17 9 32 107 0 0 -16 20 45 13 26 21 66 32 -31 -16 15 50 -16 25 40 -15 41 17 -17 0 22 108 0 0 -16 11 37 13 26 9 67 31 -32 -16 6 42 -16 16 32 -15 32 9 -16 51 13 109 0 0 -16 2 31 13 25 57 67 29 -33 -15 57 36 -16 7 26 -15 23 3 -16 42 7 110 0 0 -15 53 27 13 25 45 68 27 -33 -15 48 32 -15 58 22 -15 14 0 -16 33 3 111 0 0 -15 44 25 13 25 33 68 24 -34 -15 39 31 -15 49 20 -15 4 59 -16 24 1 112 0 0 -15 35 27 13 25 22 69 22 -35 -15 30 32 -15 40 22 -14 56 1 -16 15 2 113 0 0 -15 26 31 13 25 10 69 20 -36 -15 21 36 -15 31 26 -14 47 5 -16 6 5 114 0 0 -15 17 38 13 24 58 70 17 -37 -15 12 43 -15 22 32 -14 38 12 -15 57 12 115 0 0 -15 8 48 13 24 46 70 15 -37 -15 3 53 -15 13 42 -14 29 23 -15 48 21 116 0 0 -15 0 1 13 24 33 71 12 -38 -14 55 6 -15 4 55 -14 20 36 -15 39 34 117 0 0 -14 51 17 13 24 21 71 9 -39 -14 46 23 -14 56 12 -14 11 53 -15 30 50 118 0 0 -14 42 37 13 24 9 71 7 -40 -14 37 43 -14 47 32 -14 3 14 -15 22 10 119 0 0 -14 34 1 13 23 57 71 4 -41 -14 29 6 -14 38 55 -13 54 38 -15 13 33 120 0 0 -14 25 28 13 23 45 72 1 -41 -14 20 34 -14 30 23 -13 46 6 -15 5 0 121 0 0 -14 17 0 13 23 33 72 358 -42 -14 12 5 -14 21 54 -13 37 38 -14 56 31 122 0 0 -14 8 35 13 23 20 72 355 -43 -14 3 41 -14 13 29 -13 29 13 -14 48 5 123 0 0 -14 0 15 13 23 8 72 352 -44 -13 55 20 -14 5 9 -13 20 54 -14 39 44 124 0 0 -13 51 58 13 22 56 72 349 -44 -13 47 4 -13 56 53 -13 12 38 -14 31 28 125 0 0 -13 43 47 13 22 44 72 345 -45 -13 38 53 -13 48 41 -13 4 27 -14 23 16 126 0 0 -13 35 40 13 22 32 72 342 -46 -13 30 46 -13 40 34 -12 56 21 -14 15 8 127 0 0 -13 27 38 13 22 19 71 340 -46 -13 22 44 -13 32 32 -12 48 19 -14 7 6 128 0 0 -13 19 41 13 22 7 71 337 -47 -13 14 47 -13 24 34 -12 40 22 -13 59 8 129 0 0 -13 11 48 13 21 55 71 334 -48 -13 6 55 -13 16 42 -12 32 30 -13 51 15 130 0 0 -13 4 1 13 21 43 71 331 -49 -12 59 8 -13 8 55 -12 24 44 -13 43 27 131 0 0 -12 56 19 13 21 31 70 328 -49 -12 51 26 -13 1 13 -12 17 3 -13 35 45 132 0 0 -12 48 43 13 21 19 70 326 -50 -12 43 50 -12 53 37 -12 9 27 -13 28 8 133 0 0 -12 41 12 13 21 6 69 323 -51 -12 36 19 -12 46 6 -12 1 57 -13 20 37 134 0 0 -12 33 47 13 20 54 69 321 -51 -12 28 54 -12 38 41 -11 54 32 -13 13 11 135 0 0 -12 26 28 13 20 42 68 319 -52 -12 21 35 -12 31 21 -11 47 13 -13 5 51 136 0 0 -12 19 15 13 20 30 68 317 -52 -12 14 21 -12 24 8 -11 40 1 -12 58 37 137 0 0 -12 12 7 13 20 18 67 315 -53 -12 7 14 -12 17 1 -11 32 54 -12 51 30 138 0 0 -12 5 6 13 20 7 67 313 -54 -12 0 13 -12 9 59 -11 25 53 -12 44 28 139 0 0 -11 58 11 13 19 55 66 311 -54 -11 53 18 -12 3 5 -11 18 59 -12 37 33 140 0 0 -11 51 23 13 19 43 65 309 -55 -11 46 30 -11 56 16 -11 12 11 -12 30 44 141 0 0 -11 44 41 13 19 31 65 308 -55 -11 39 48 -11 49 34 -11 5 30 -12 24 1 142 0 0 -11 38 6 13 19 19 64 306 -56 -11 33 13 -11 42 59 -10 58 55 -12 17 26 143 0 0 -11 31 38 13 19 8 63 305 -56 -11 26 45 -11 36 31 -10 52 28 -12 10 57 144 0 0 -11 25 16 13 18 56 63 303 -57 -11 20 24 -11 30 9 -10 46 7 -12 4 35 145 0 0 -11 19 2 13 18 45 62 302 -57 -11 14 9 -11 23 54 -10 39 53 -11 58 20 146 0 0 -11 12 54 13 18 33 61 301 -57 -11 8 2 -11 17 47 -10 33 46 -11 52 12 147 0 0 -11 6 54 13 18 22 60 300 -58 -11 2 2 -11 11 47 -10 27 46 -11 46 11 148 0 0 -11 1 1 13 18 11 60 298 -58 -10 56 9 -11 5 54 -10 21 54 -11 40 18 149 0 0 -10 55 16 13 18 0 59 297 -59 -10 50 23 -11 0 8 -10 16 9 -11 34 32 150 0 0 -10 49 38 13 17 48 58 296 -59 -10 44 46 -10 54 30 -10 10 31 -11 28 53 151 0 0 -10 44 8 13 17 37 57 295 -59 -10 39 15 -10 49 0 -10 5 2 -11 23 23 152 0 0 -10 38 45 13 17 27 57 294 -59 -10 33 53 -10 43 38 - 9 59 40 -11 18 0 153 0 0 -10 33 30 13 17 16 56 294 -60 -10 28 38 -10 38 23 - 9 54 25 -11 12 44 154 0 0 -10 28 24 13 17 5 55 293 -60 -10 23 32 -10 33 16 - 9 49 19 -11 7 37 155 0 0 -10 23 25 13 16 54 54 292 -60 -10 18 33 -10 28 17 - 9 44 21 -11 2 38 156 0 0 -10 18 34 13 16 44 53 291 -60 -10 13 42 -10 23 26 - 9 39 30 -10 57 47 157 0 0 -10 13 52 13 16 34 52 291 -60 -10 9 0 -10 18 44 - 9 34 48 -10 53 4 158 0 0 -10 9 18 13 16 23 51 290 -60 -10 4 26 -10 14 10 - 9 30 15 -10 48 29 159 0 0 -10 4 52 13 16 13 51 289 -60 -10 0 0 -10 9 44 - 9 25 49 -10 44 3 160 0 0 -10 0 35 13 16 3 50 289 -60 - 9 55 43 -10 5 27 - 9 21 32 -10 39 46 161 0 0 - 9 56 26 13 15 53 49 288 -60 - 9 51 34 -10 1 18 - 9 17 24 -10 35 37 162 0 0 - 9 52 26 13 15 43 48 287 -60 - 9 47 34 - 9 57 18 - 9 13 24 -10 31 36 163 0 0 - 9 48 35 13 15 34 47 287 -60 - 9 43 43 - 9 53 26 - 9 9 33 -10 27 44 164 0 0 - 9 44 52 13 15 24 46 286 -60 - 9 40 0 - 9 49 44 - 9 5 51 -10 24 1 165 0 0 - 9 41 18 13 15 15 45 286 -60 - 9 36 27 - 9 46 10 - 9 2 18 -10 20 27 166 0 0 - 9 37 53 13 15 6 44 285 -60 - 9 33 2 - 9 42 45 - 8 58 53 -10 17 2 167 0 0 - 9 34 38 13 14 56 44 285 -59 - 9 29 46 - 9 39 29 - 8 55 38 -10 13 46 168 0 0 - 9 31 31 13 14 47 43 285 -59 - 9 26 40 - 9 36 23 - 8 52 31 -10 10 39 169 0 0 - 9 28 34 13 14 39 42 284 -59 - 9 23 42 - 9 33 25 - 8 49 34 -10 7 42 170 0 0 - 9 25 45 13 14 30 41 284 -59 - 9 20 54 - 9 30 37 - 8 46 46 -10 4 53 171 0 0 - 9 23 6 13 14 21 40 283 -58 - 9 18 15 - 9 27 58 - 8 44 7 -10 2 14 172 0 0 - 9 20 37 13 14 13 39 283 -58 - 9 15 45 - 9 25 28 - 8 41 38 - 9 59 44 173 0 0 - 9 18 16 13 14 5 38 283 -57 - 9 13 25 - 9 23 8 - 8 39 18 - 9 57 24 174 0 0 - 9 16 6 13 13 57 37 282 -57 - 9 11 14 - 9 20 57 - 8 37 7 - 9 55 13 175 0 0 - 9 14 4 13 13 49 36 282 -57 - 9 9 13 - 9 18 56 - 8 35 6 - 9 53 11 176 0 0 - 9 12 13 13 13 41 35 282 -56 - 9 7 21 - 9 17 4 - 8 33 14 - 9 51 19 177 0 0 - 9 10 31 13 13 34 34 281 -56 - 9 5 39 - 9 15 22 - 8 31 32 - 9 49 37 178 0 0 - 9 8 58 13 13 26 33 281 -55 - 9 4 7 - 9 13 50 - 8 30 0 - 9 48 5 179 0 0 - 9 7 36 13 13 19 32 281 -55 - 9 2 44 - 9 12 27 - 8 28 38 - 9 46 42 180 0 0 - 9 6 23 13 13 12 32 281 -54 - 9 1 31 - 9 11 14 - 8 27 25 - 9 45 29 -179 0 0 - 9 5 20 13 13 5 31 280 -54 - 9 0 28 - 9 10 11 - 8 26 22 - 9 44 26 -178 0 0 - 9 4 26 13 12 59 30 280 -53 - 8 59 35 - 9 9 18 - 8 25 29 - 9 43 33 -177 0 0 - 9 3 43 13 12 52 29 280 -52 - 8 58 52 - 9 8 34 - 8 24 45 - 9 42 50 -176 0 0 - 9 3 10 13 12 46 28 280 -52 - 8 58 18 - 9 8 1 - 8 24 12 - 9 42 16 -175 0 0 - 9 2 46 13 12 40 27 279 -51 - 8 57 55 - 9 7 38 - 8 23 48 - 9 41 53 -174 0 0 - 9 2 33 13 12 34 26 279 -50 - 8 57 42 - 9 7 24 - 8 23 35 - 9 41 40 -173 0 0 - 9 2 29 13 12 28 25 279 -50 - 8 57 38 - 9 7 21 - 8 23 31 - 9 41 36 -172 0 0 - 9 2 36 13 12 23 24 279 -49 - 8 57 45 - 9 7 28 - 8 23 38 - 9 41 43 -171 0 0 - 9 2 53 13 12 17 23 278 -48 - 8 58 2 - 9 7 44 - 8 23 54 - 9 42 0 -170 0 0 - 9 3 20 13 12 12 22 278 -48 - 8 58 28 - 9 8 11 - 8 24 21 - 9 42 27 -169 0 0 - 9 3 57 13 12 7 21 278 -47 - 8 59 5 - 9 8 48 - 8 24 58 - 9 43 4 -168 0 0 - 9 4 44 13 12 3 20 278 -46 - 8 59 52 - 9 9 35 - 8 25 45 - 9 43 51 -167 0 0 - 9 5 41 13 11 58 19 278 -45 - 9 0 49 - 9 10 32 - 8 26 42 - 9 44 49 -166 0 0 - 9 6 48 13 11 54 18 277 -45 - 9 1 57 - 9 11 40 - 8 27 49 - 9 45 56 -165 0 0 - 9 8 6 13 11 50 17 277 -44 - 9 3 14 - 9 12 57 - 8 29 6 - 9 47 14 -164 0 0 - 9 9 33 13 11 46 16 277 -43 - 9 4 42 - 9 14 25 - 8 30 33 - 9 48 42 -163 0 0 - 9 11 11 13 11 42 15 277 -42 - 9 6 20 - 9 16 3 - 8 32 11 - 9 50 20 -162 0 0 - 9 12 59 13 11 39 14 277 -42 - 9 8 8 - 9 17 51 - 8 33 59 - 9 52 8 -161 0 0 - 9 14 57 13 11 36 13 276 -41 - 9 10 6 - 9 19 49 - 8 35 57 - 9 54 7 -160 0 0 - 9 17 6 13 11 33 12 276 -40 - 9 12 14 - 9 21 57 - 8 38 5 - 9 56 16 -159 0 0 - 9 19 24 13 11 30 11 276 -39 - 9 14 32 - 9 24 16 - 8 40 23 - 9 58 34 -158 0 0 - 9 21 53 13 11 27 10 276 -38 - 9 17 1 - 9 26 45 - 8 42 51 -10 1 3 -157 0 0 - 9 24 31 13 11 25 9 276 -37 - 9 19 40 - 9 29 23 - 8 45 29 -10 3 43 -156 0 0 - 9 27 20 13 11 23 8 276 -37 - 9 22 28 - 9 32 12 - 8 48 18 -10 6 32 -155 0 0 - 9 30 19 13 11 21 8 275 -36 - 9 25 27 - 9 35 11 - 8 51 16 -10 9 31 -154 0 0 - 9 33 28 13 11 19 7 275 -35 - 9 28 36 - 9 38 20 - 8 54 25 -10 12 41 -153 0 0 - 9 36 47 13 11 18 6 275 -34 - 9 31 55 - 9 41 39 - 8 57 43 -10 16 0 -152 0 0 - 9 40 16 13 11 17 5 275 -33 - 9 35 24 - 9 45 8 - 9 1 12 -10 19 30 -151 0 0 - 9 43 55 13 11 16 4 275 -32 - 9 39 3 - 9 48 47 - 9 4 50 -10 23 9 -150 0 0 - 9 47 44 13 11 15 3 275 -31 - 9 42 52 - 9 52 36 .. .. .. -10 26 59 -149 0 0 - 9 51 43 13 11 14 2 274 -31 - 9 46 51 - 9 56 35 .. .. .. -10 30 58 -148 0 0 - 9 55 51 13 11 14 1 274 -30 - 9 50 59 -10 0 44 .. .. .. -10 35 7 Uncertainty in time = +/- 8 secs Prediction of 2012 Nov 16.0 Data for the target star ------------------------ * name: TYC 0023-01210-1 * constellation : Pisces * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 01 19 51.2094 DE: +04 01 48.782 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .025, .033 ) * V mag [mag]: 10.3 * B mag [mag]: 10.8 * Diameter [mas]: 0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1483) Hakoila approx. diameter [km]: 17 approx. diameter ["]: .011 distance from Earth [AU]: 2.11400 * orbital information: orbit source: Preston date of fit: 2012 Oct 25 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 1081 number of rejected observations: 42 time covered by the observations: 1938 Feb 24 - 2012 Oct 06 1 sigma uncertainty ellipse (major, minor, PA): 0.037, 0.020, 65° remarks: * orbital elements for (1483) Hakoila : Mean anomaly = 248.96261300 deg Arg. of pericenter = 88.07466468 deg Long. of node = 71.92766362 deg Inclination = 4.49836409 deg Eccentricity = 0.17789189 Semimajor axis = 2.71780875 AU Perihelion dist = 2.23433262 AU Mag: H = 11.78, G = 0.15 Epoch of elements : MJD 56250.55800000 TDT (2012 Nov 19.558) ------ occelmnt file for Occult BEGIN ----------------------------------- 2012 Nov 19 1483 Hakoila 13h 23.1m UT 10.3 1 19 51.209 4 1 48.78TYC 0023-01210-1 10.8 16.2 17 2.0 2.114 -1.317 -2.85 120.2055 4.031 -24.40 -19.63 13.3854 0.04548 -0.30896 -4.74034 -0.68810 0.00326 0.00167 2000 248.83986620121119.00000 88.074665 71.927664 4.4983640.17789189 2.7178088 2.234332611.5 5.00.15 RATE 2.1997620 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.044 0.039 73 4.52 0.039 0 0 4 2 056247.0020121119_1210-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2012 Oct 25, 21:36 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org