IOTA/IOTA-ES occultation update for (0) 2003 TK58 / UCAC2 39974889 event on 2008 Jan 09, 12:07 UT Visible from Australia Summary ------- On 2008 Jan 09 UT, the 99 km diameter asteroid (0) 2003 TK58 will occult a 14.0 mag star in the constellation Taurus for observers along a path across Australia. In the case of an occultation, the combined light of the asteroid and the star will drop by 10.3 mag to 24.3 mag (the magnitude of the asteroid) for at most 4.6 seconds. This update is based on historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 0 * date and approx. time of event: 2008 Jan 09, 12:03 - 2008 Jan 09, 12:11 UT * midpoint of event [JD]: 2454475.0052375 * magnitude of target star: 14.0 * magnitude drop [mag]: 10.3 * estimated maximum duration [s]: 4.6 * Moon: 1 % sunlit, 137° distance * Sun: 148° distance * rough path description: Australia The occultation path -------------------- * approximate projected width [km]: 127 * 1 sigma uncertainty interval [path widths]: +/- 457.61 * 1 sigma uncertainty interval [seconds]: +/- 5055.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 3.595 +/- 1.478) * 1 sigma uncertainty ellipse (major, minor, PA): ( 3.654", 1.327", 79° ) * approx speed of asteroid's shadow [km/s]: 21.5246 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC2 39974889 by 0 2003 TK58 on 2008 Jan 09 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 76 0 0 -39 36 39 12 11 24 1 59 23 -38 56 36 -40 17 9 .. .. .. .. .. .. 77 0 0 -39 8 39 12 11 24 1 58 23 -38 28 38 -39 49 6 .. .. .. .. .. .. 78 0 0 -38 40 35 12 11 23 2 57 22 -38 0 36 -39 20 59 .. .. .. .. .. .. 79 0 0 -38 12 27 12 11 23 3 57 21 -37 32 32 -38 52 49 .. .. .. .. .. .. 80 0 0 -37 44 17 12 11 23 4 56 20 -37 4 25 -38 24 36 .. .. .. .. .. .. 81 0 0 -37 16 6 12 11 22 5 55 19 -36 36 16 -37 56 21 .. .. .. .. .. .. 82 0 0 -36 47 53 12 11 22 6 55 18 -36 8 8 -37 28 5 .. .. .. .. .. .. 83 0 0 -36 19 41 12 11 21 7 54 17 -35 39 59 -36 59 49 24 22 31 .. .. .. 84 0 0 -35 51 30 12 11 20 8 54 16 -35 11 52 -36 31 33 24 46 44 .. .. .. 85 0 0 -35 23 21 12 11 19 9 53 16 -34 43 47 -36 3 20 25 10 43 .. .. .. 86 0 0 -34 55 15 12 11 18 10 53 15 -34 15 45 -35 35 9 25 34 28 .. .. .. 87 0 0 -34 27 12 12 11 17 11 52 14 -33 47 47 -35 7 2 25 57 58 .. .. .. 88 0 0 -33 59 14 12 11 16 12 51 13 -33 19 54 -34 38 59 26 21 14 .. .. .. 89 0 0 -33 31 21 12 11 15 13 51 12 -32 52 6 -34 11 1 26 44 15 .. .. .. 90 0 0 -33 3 35 12 11 13 13 50 11 -32 24 25 -33 43 9 27 7 0 .. .. .. 91 0 0 -32 35 56 12 11 12 14 50 10 -31 56 51 -33 15 25 27 29 28 .. .. .. 92 0 0 -32 8 24 12 11 10 15 49 9 -31 29 25 -32 47 48 27 51 41 .. .. .. 93 0 0 -31 41 2 12 11 8 16 48 8 -31 2 8 -32 20 20 28 13 37 .. .. .. 94 0 0 -31 13 49 12 11 7 17 48 7 -30 35 1 -31 53 1 28 35 16 .. .. .. 95 0 0 -30 46 47 12 11 5 18 47 6 -30 8 5 -31 25 53 28 56 38 .. .. .. 96 0 0 -30 19 56 12 11 3 19 47 5 -29 41 20 -30 58 56 29 17 42 .. .. .. 97 0 0 -29 53 17 12 11 0 20 46 4 -29 14 46 -30 32 11 29 38 29 .. .. .. 98 0 0 -29 26 51 12 10 58 21 45 3 -28 48 26 -30 5 39 29 58 57 .. .. .. 99 0 0 -29 0 38 12 10 56 22 45 2 -28 22 20 -29 39 20 30 19 7 .. .. .. 100 0 0 -28 34 40 12 10 53 23 44 1 -27 56 27 -29 13 15 30 38 59 .. .. .. 101 0 0 -28 8 57 12 10 51 24 44 0 -27 30 50 -28 47 26 30 58 33 .. .. .. 102 0 0 -27 43 29 12 10 48 25 43 -1 -27 5 29 -28 21 51 31 17 47 .. .. .. 103 0 0 -27 18 18 12 10 46 25 42 -2 -26 40 24 -27 56 34 31 36 42 .. .. .. 104 0 0 -26 53 23 12 10 43 26 42 -3 -26 15 36 -27 31 33 31 55 19 .. .. .. 105 0 0 -26 28 47 12 10 40 27 41 -3 -25 51 5 -27 6 50 32 13 36 .. .. .. 106 0 0 -26 4 28 12 10 37 28 40 -4 -25 26 53 -26 42 25 32 31 33 .. .. .. 107 0 0 -25 40 29 12 10 34 29 40 -5 -25 3 0 -26 18 19 32 49 11 .. .. .. 108 0 0 -25 16 49 12 10 31 30 39 -6 -24 39 26 -25 54 33 33 6 29 .. .. .. 109 0 0 -24 53 29 12 10 27 31 38 -7 -24 16 12 -25 31 6 33 23 28 .. .. .. 110 0 0 -24 30 29 12 10 24 32 38 -8 -23 53 19 -25 8 0 33 40 6 .. .. .. 111 0 0 -24 7 51 12 10 21 32 37 -9 -23 30 47 -24 45 15 33 56 25 .. .. .. 112 0 0 -23 45 34 12 10 17 33 36 -10 -23 8 36 -24 22 52 34 12 23 .. .. .. 113 0 0 -23 23 39 12 10 14 34 36 -11 -22 46 48 -24 0 51 34 28 1 .. .. .. 114 0 0 -23 2 7 12 10 10 35 35 -12 -22 25 22 -23 39 13 34 43 20 .. .. .. 115 0 0 -22 40 58 12 10 6 36 34 -13 -22 4 19 -23 17 58 34 58 18 .. .. .. 116 0 0 -22 20 13 12 10 2 37 33 -14 -21 43 39 -22 57 6 35 12 55 .. .. .. 117 0 0 -21 59 51 12 9 59 37 32 -15 -21 23 23 -22 36 38 35 27 13 .. .. .. 118 0 0 -21 39 53 12 9 55 38 32 -16 -21 3 31 -22 16 35 35 41 10 .. .. .. 119 0 0 -21 20 20 12 9 51 39 31 -17 -20 44 4 -21 56 56 35 54 46 .. .. .. 120 0 0 -21 1 12 12 9 47 40 30 -18 -20 25 2 -21 37 42 36 8 2 .. .. .. 121 0 0 -20 42 30 12 9 42 40 29 -19 -20 6 25 -21 18 54 36 20 58 .. .. .. 122 0 0 -20 24 13 12 9 38 41 28 -20 -19 48 13 -21 0 31 36 33 34 .. .. .. 123 0 0 -20 6 22 12 9 34 42 27 -21 -19 30 27 -20 42 35 36 45 49 .. .. .. 124 0 0 -19 48 57 12 9 30 42 26 -22 -19 13 8 -20 25 5 36 57 43 .. .. .. 125 0 0 -19 31 59 12 9 25 43 25 -23 -18 56 15 -20 8 2 37 9 18 .. .. .. 126 0 0 -19 15 28 12 9 21 44 24 -23 -18 39 49 -19 51 25 37 20 32 .. .. .. 127 0 0 -18 59 23 12 9 17 44 23 -24 -18 23 49 -19 35 16 37 31 25 .. .. .. 128 0 0 -18 43 47 12 9 12 45 22 -25 -18 8 17 -19 19 34 37 41 58 .. .. .. 129 0 0 -18 28 37 12 9 8 45 21 -26 -17 53 13 -19 4 20 37 52 11 .. .. .. 130 0 0 -18 13 56 12 9 3 46 20 -27 -17 38 36 -18 49 34 38 2 3 .. .. .. 131 0 0 -17 59 42 12 8 59 47 19 -28 -17 24 26 -18 35 16 38 11 35 .. .. .. 132 0 0 -17 45 57 12 8 54 47 18 -29 -17 10 45 -18 21 27 38 20 47 .. .. .. 133 0 0 -17 32 40 12 8 49 48 16 -30 -16 57 33 -18 8 6 38 29 39 .. .. .. 134 0 0 -17 19 52 12 8 45 48 15 -31 -16 44 48 -17 55 13 38 38 10 .. .. .. 135 0 0 -17 7 33 12 8 40 48 14 -31 -16 32 33 -17 42 50 38 46 22 .. .. .. 136 0 0 -16 55 42 12 8 35 49 13 -32 -16 20 46 -17 30 55 38 54 13 .. .. .. 137 0 0 -16 44 20 12 8 30 49 11 -33 -16 9 28 -17 19 30 39 1 44 .. .. .. 138 0 0 -16 33 28 12 8 25 50 10 -34 -15 58 38 -17 8 34 39 8 54 .. .. .. 139 0 0 -16 23 4 12 8 21 50 9 -35 -15 48 18 -16 58 8 39 15 45 .. .. .. 140 0 0 -16 13 11 12 8 16 50 7 -35 -15 38 28 -16 48 11 39 22 16 .. .. .. 141 0 0 -16 3 46 12 8 11 50 6 -36 -15 29 6 -16 38 44 39 28 26 .. .. .. 142 0 0 -15 54 52 12 8 6 51 5 -37 -15 20 15 -16 29 46 39 34 17 .. .. .. 143 0 0 -15 46 27 12 8 1 51 3 -38 -15 11 52 -16 21 18 39 39 48 .. .. .. 144 0 0 -15 38 32 12 7 56 51 2 -39 -15 4 0 -16 13 21 39 44 59 .. .. .. 145 0 0 -15 31 7 12 7 51 51 0 -39 -14 56 37 -16 5 53 39 49 50 .. .. .. 146 0 0 -15 24 12 12 7 46 51 359 -40 -14 49 44 -15 58 56 39 54 21 .. .. .. 147 0 0 -15 17 47 12 7 42 51 357 -41 -14 43 21 -15 52 29 39 58 32 .. .. .. 148 0 0 -15 11 52 12 7 37 51 356 -41 -14 37 28 -15 46 32 40 2 23 .. .. .. 149 0 0 -15 6 27 12 7 32 51 355 -42 -14 32 5 -15 41 6 40 5 55 .. .. .. 150 0 0 -15 1 33 12 7 27 51 353 -43 -14 27 12 -15 36 10 40 9 6 .. .. .. 151 0 0 -14 57 8 12 7 22 51 352 -43 -14 22 49 -15 31 44 40 11 58 .. .. .. 152 0 0 -14 53 15 12 7 17 51 350 -44 -14 18 57 -15 27 49 40 14 30 .. .. .. 153 0 0 -14 49 51 12 7 12 51 349 -45 -14 15 34 -15 24 25 40 16 43 .. .. .. 154 0 0 -14 46 58 12 7 7 51 347 -45 -14 12 42 -15 21 31 40 18 36 .. .. .. 155 0 0 -14 44 36 12 7 2 51 346 -46 -14 10 20 -15 19 7 40 20 9 .. .. .. 156 0 0 -14 42 44 12 6 58 51 345 -46 -14 8 29 -15 17 15 40 21 22 .. .. .. 157 0 0 -14 41 22 12 6 53 50 343 -47 -14 7 8 -15 15 53 40 22 15 .. .. .. 158 0 0 -14 40 31 12 6 48 50 342 -47 -14 6 17 -15 15 2 40 22 49 .. .. .. 159 0 0 -14 40 11 12 6 43 50 341 -48 -14 5 57 -15 14 41 40 23 3 .. .. .. 160 0 0 -14 40 21 12 6 38 49 339 -48 -14 6 7 -15 14 51 40 22 58 .. .. .. 161 0 0 -14 41 2 12 6 34 49 338 -49 -14 6 47 -15 15 32 40 22 32 .. .. .. 162 0 0 -14 42 13 12 6 29 49 337 -49 -14 7 58 -15 16 44 40 21 47 .. .. .. 163 0 0 -14 43 55 12 6 24 48 336 -50 -14 9 39 -15 18 27 40 20 42 .. .. .. 164 0 0 -14 46 7 12 6 19 48 334 -50 -14 11 51 -15 20 40 40 19 18 .. .. .. 165 0 0 -14 48 50 12 6 15 47 333 -50 -14 14 33 -15 23 24 40 17 34 .. .. .. 166 0 0 -14 52 4 12 6 10 47 332 -51 -14 17 45 -15 26 38 40 15 30 .. .. .. 167 0 0 -14 55 48 12 6 6 46 331 -51 -14 21 28 -15 30 24 40 13 6 .. .. .. 168 0 0 -15 0 2 12 6 1 46 330 -51 -14 25 41 -15 34 40 40 10 22 .. .. .. 169 0 0 -15 4 47 12 5 57 45 329 -51 -14 30 25 -15 39 26 40 7 19 .. .. .. 170 0 0 -15 10 3 12 5 52 45 328 -51 -14 35 39 -15 44 44 40 3 56 .. .. .. 171 0 0 -15 15 49 12 5 48 44 327 -52 -14 41 22 -15 50 32 40 0 12 .. .. .. 172 0 0 -15 22 5 12 5 43 44 326 -52 -14 47 37 -15 56 50 39 56 9 .. .. .. 173 0 0 -15 28 51 12 5 39 43 325 -52 -14 54 21 -16 3 39 39 51 46 .. .. .. 174 0 0 -15 36 8 12 5 35 42 324 -52 -15 1 35 -16 10 58 39 47 4 .. .. .. 175 0 0 -15 43 55 12 5 30 42 323 -52 -15 9 20 -16 18 47 39 42 1 .. .. .. 176 0 0 -15 52 12 12 5 26 41 322 -52 -15 17 34 -16 27 7 39 36 38 .. .. .. 177 0 0 -16 0 59 12 5 22 40 322 -52 -15 26 18 -16 35 57 39 30 55 .. .. .. 178 0 0 -16 10 17 12 5 18 40 321 -52 -15 35 33 -16 45 18 39 24 52 .. .. .. 179 0 0 -16 20 3 12 5 14 39 320 -52 -15 45 16 -16 55 8 39 18 29 .. .. .. 180 0 0 -16 30 20 12 5 10 38 319 -51 -15 55 30 -17 5 28 39 11 45 .. .. .. -179 0 0 -16 41 7 12 5 6 37 318 -51 -16 6 13 -17 16 18 39 4 42 .. .. .. -178 0 0 -16 52 23 12 5 2 37 318 -51 -16 17 25 -17 27 38 38 57 18 .. .. .. -177 0 0 -17 4 8 12 4 59 36 317 -51 -16 29 7 -17 39 27 38 49 34 .. .. .. -176 0 0 -17 16 23 12 4 55 35 316 -51 -16 41 18 -17 51 46 38 41 30 .. .. .. -175 0 0 -17 29 7 12 4 51 34 316 -50 -16 53 57 -18 4 34 38 33 5 .. .. .. -174 0 0 -17 42 20 12 4 48 33 315 -50 -17 7 6 -18 17 51 38 24 20 .. .. .. -173 0 0 -17 56 1 12 4 44 33 314 -50 -17 20 44 -18 31 37 38 15 15 .. .. .. -172 0 0 -18 10 12 12 4 41 32 314 -49 -17 34 50 -18 45 52 38 5 49 .. .. .. -171 0 0 -18 24 51 12 4 38 31 313 -49 -17 49 24 -19 0 36 37 56 3 .. .. .. -170 0 0 -18 39 58 12 4 34 30 313 -48 -18 4 26 -19 15 48 37 45 56 .. .. .. -169 0 0 -18 55 33 12 4 31 29 312 -48 -18 19 57 -19 31 28 37 35 29 .. .. .. -168 0 0 -19 11 36 12 4 28 28 312 -47 -18 35 55 -19 47 36 37 24 41 .. .. .. -167 0 0 -19 28 7 12 4 25 27 311 -47 -18 52 21 -20 4 12 37 13 33 .. .. .. -166 0 0 -19 45 5 12 4 22 27 310 -46 -19 9 14 -20 21 16 37 2 4 .. .. .. -165 0 0 -20 2 31 12 4 19 26 310 -46 -19 26 34 -20 38 47 36 50 14 .. .. .. -164 0 0 -20 20 23 12 4 17 25 309 -45 -19 44 20 -20 56 44 36 38 4 .. .. .. -163 0 0 -20 38 41 12 4 14 24 309 -44 -20 2 34 -21 15 9 36 25 33 .. .. .. -162 0 0 -20 57 26 12 4 11 23 308 -44 -20 21 13 -21 33 59 36 12 41 .. .. .. -161 0 0 -21 16 37 12 4 9 22 308 -43 -20 40 18 -21 53 16 35 59 29 .. .. .. -160 0 0 -21 36 14 12 4 7 21 307 -42 -20 59 48 -22 12 58 35 45 56 .. .. .. -159 0 0 -21 56 15 12 4 4 20 307 -42 -21 19 44 -22 33 6 35 32 2 .. .. .. -158 0 0 -22 16 42 12 4 2 19 306 -41 -21 40 5 -22 53 39 35 17 48 .. .. .. -157 0 0 -22 37 32 12 4 0 18 306 -40 -22 0 49 -23 14 36 35 3 13 .. .. .. -156 0 0 -22 58 47 12 3 58 17 306 -40 -22 21 58 -23 35 57 34 48 18 .. .. .. -155 0 0 -23 20 26 12 3 56 16 305 -39 -22 43 30 -23 57 42 34 33 2 .. .. .. -154 0 0 -23 42 27 12 3 55 15 305 -38 -23 5 26 -24 19 49 34 17 26 .. .. .. -153 0 0 -24 4 51 12 3 53 14 304 -37 -23 27 44 -24 42 20 34 1 29 .. .. .. -152 0 0 -24 27 38 12 3 51 13 304 -37 -23 50 24 -25 5 13 33 45 11 .. .. .. -151 0 0 -24 50 46 12 3 50 12 303 -36 -24 13 25 -25 28 27 33 28 34 .. .. .. -150 0 0 -25 14 15 12 3 49 12 303 -35 -24 36 48 -25 52 3 33 11 36 .. .. .. -149 0 0 -25 38 4 12 3 47 11 302 -34 -25 0 31 -26 15 59 .. .. .. .. .. .. -148 0 0 -26 2 14 12 3 46 10 302 -33 -25 24 34 -26 40 15 .. .. .. .. .. .. -147 0 0 -26 26 43 12 3 45 9 301 -32 -25 48 57 -27 4 51 .. .. .. .. .. .. -146 0 0 -26 51 30 12 3 44 8 301 -32 -26 13 38 -27 29 45 .. .. .. .. .. .. -145 0 0 -27 16 36 12 3 43 7 301 -31 -26 38 38 -27 54 58 .. .. .. .. .. .. -144 0 0 -27 42 0 12 3 43 6 300 -30 -27 3 54 -28 20 27 .. .. .. .. .. .. -143 0 0 -28 7 40 12 3 42 5 300 -29 -27 29 28 -28 46 14 .. .. .. .. .. .. -142 0 0 -28 33 36 12 3 42 4 299 -28 -27 55 18 -29 12 16 .. .. .. .. .. .. -141 0 0 -28 59 47 12 3 41 3 299 -27 -28 21 23 -29 38 34 .. .. .. .. .. .. -140 0 0 -29 26 13 12 3 41 2 298 -26 -28 47 43 -30 5 7 .. .. .. .. .. .. -139 0 0 -29 52 53 12 3 41 1 298 -25 -29 14 17 -30 31 53 .. .. .. .. .. .. Data for the target star ------------------------ * name: UCAC2 39974889 * constellation : Taurus * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 05 01 57.2207 DE: +23 21 40.178 * position source: Pos: UCAC2, pm: UCAC2, pi: * standard error: RA,DE ["]: ( .050, .062 ) * V mag [mag]: 14.0 * B mag [mag]: 0.0 * Apparent position with proper motion RA(deg): 75.6178488366 DE(deg): 23.3750792624 * Equation of equinoxes (radians) : 0.000042039816741 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (0) 2003 TK58 approx. diameter [km]: 99 approx. diameter ["]: .003 distance from Earth [AU]: 44.87400 * orbital information: orbit source: Preston date of fit: 2007 May 08 source of used astrometry: MPC (via Astdys) number of used observations: 14 number of rejected observations: 0 time covered by the observations: 2003 Oct 03 - 2005 Nov 06 1 sigma uncertainty ellipse (major, minor, PA): 3.654, 1.326, 79° remarks: * orbital elements for (0) 2003 TK58 : Mean anomaly = 160.63697154 deg Arg. of pericenter = 206.88039195 deg Long. of node = 67.44730948 deg Inclination = 3.36030971 deg Eccentricity = 0.06836428 Semimajor axis = 42.92449779 AU Perihelion dist = 39.98999547 AU Mag: H = 7.63, G = 0.00 Epoch of elements : MJD 54474.50500000 TDT (2008 Jan 09.505) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Jan 09 0 2003 TK58 12h 7.5m UT 14.0 5 1 57.221 23 21 40.18UCAC2 39974889 0.0 24.3 99 4.6 44.874 -0.172 -0.23 -214.810 23.361 -0.16 -22.15 12.1257 .05931 -.62028-12.09316 -1.16418 0.00329 0.00028 2000 160.6211832008 1 5.00000206.880392 67.447309 3.3603100.0683642842.924497739.98999547.635 0.00 RATE .0350470 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 3.654 1.327 79.058.610 1.373 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2007 Dec 10, 22:19 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org