IOTA/IOTA-ES occultation update for (2259) Sofievka / TYC 1867-03107-1 event on 2024 Nov 29, 16:25 UT Visible from Summary ------- On 2024 Nov 29 UT, the 19.3588780045801 km diameter asteroid (2259) Sofievka will occult a 11.4 mag star in the constellation Taurus for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 5.18 mag to 16.53 mag (the magnitude of the asteroid) for at most 1.660 seconds. This update is based on, astrometry for the asteroid kindly provided by the IAU Minor Planet Center. This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The event at a glimpse ---------------------- * Rank: 99 * date and approx. time of event: 2024 Nov 29, 16:19 - 2024 Nov 29, 16:30 * geocentric midpoint of event [JD]: 2460644.18434763 * magnitude of target star: 11.36 * magnitude drop [mag]: 5.18 * estimated maximum duration [s]: 1.660 * Moon: 3 % sunlit, 139° distance * Sun: 157° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 33 * 1 sigma uncertainty interval [path widths]: +/- 0.24 * 1 sigma uncertainty interval [seconds]: +/- 1.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.016, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.016", 0.003", 95°) * approx speed of asteroid's shadow [km/s]: 11.7542 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1867-03107-1 by 2259 Sofievka on 2024 Nov 29 Centre Star Star Sun Path Limits Error Limits Alt E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 Crn o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Latitude Latitude Latitude Latitude 80 0 0 -50 37 25 16 30 41.9 0 47 -13 -50 24 49 -50 50 7 -50 18 45 -50 56 18 .... 81 0 0 -50 1 36 16 30 41.7 1 46 -14 -49 49 5 -50 14 11 -49 43 4 -50 20 19 0.63 82 0 0 -49 25 57 16 30 41.3 2 45 -15 -49 13 32 -49 38 26 -49 7 33 -49 44 31 0.97 83 0 0 -48 50 30 16 30 40.7 3 44 -16 -48 38 11 -49 2 53 -48 32 15 -49 8 56 1.11 84 0 0 -48 15 16 16 30 39.9 4 44 -17 -48 3 4 -48 27 34 -47 57 11 -48 33 33 1.19 85 0 0 -47 40 18 16 30 38.9 5 43 -17 -47 28 11 -47 52 30 -47 22 21 -47 58 26 1.23 86 0 0 -47 5 37 16 30 37.6 6 42 -18 -46 53 36 -47 17 42 -46 47 48 -47 23 36 1.27 87 0 0 -46 31 13 16 30 36.1 6 41 -19 -46 19 18 -46 43 13 -46 13 33 -46 49 3 1.29 88 0 0 -45 57 8 16 30 34.4 7 41 -20 -45 45 19 -46 9 2 -45 39 37 -46 14 50 1.31 89 0 0 -45 23 24 16 30 32.5 8 40 -21 -45 11 40 -45 35 12 -45 6 1 -45 40 57 1.32 90 0 0 -44 50 2 16 30 30.3 9 39 -21 -44 38 24 -45 1 44 -44 32 47 -45 7 26 1.33 91 0 0 -44 17 2 16 30 27.9 10 38 -22 -44 5 30 -44 28 39 -43 59 56 -44 34 18 1.34 92 0 0 -43 44 27 16 30 25.3 11 38 -23 -43 33 0 -43 55 58 -43 27 28 -44 1 34 1.35 93 0 0 -43 12 16 16 30 22.5 12 37 -24 -43 0 55 -43 23 42 -42 55 26 -43 29 16 1.35 94 0 0 -42 40 32 16 30 19.4 13 36 -24 -42 29 15 -42 51 52 -42 23 49 -42 57 23 1.36 95 0 0 -42 9 14 16 30 16.2 13 35 -25 -41 58 3 -42 20 29 -41 52 39 -42 25 58 1.37 96 0 0 -41 38 24 16 30 12.7 14 35 -26 -41 27 18 -41 49 34 -41 21 57 -41 55 0 1.37 97 0 0 -41 8 3 16 30 9.0 15 34 -26 -40 57 2 -41 19 8 -40 51 43 -41 24 31 1.37 98 0 0 -40 38 11 16 30 5.2 16 33 -27 -40 27 15 -40 49 11 -40 21 59 -40 54 32 1.38 99 0 0 -40 8 50 16 30 1.1 17 33 -28 -39 57 58 -40 19 44 -39 52 44 -40 25 3 1.38 100 0 0 -39 39 59 16 29 56.8 18 32 -28 -39 29 12 -39 50 49 -39 24 0 -39 56 5 1.38 101 0 0 -39 11 40 16 29 52.4 18 31 -29 -39 0 58 -39 22 25 -38 55 48 -39 27 39 1.38 102 0 0 -38 43 52 16 29 47.7 19 30 -29 -38 33 15 -38 54 33 -38 28 7 -38 59 45 1.38 103 0 0 -38 16 38 16 29 42.9 20 29 -30 -38 6 5 -38 27 14 -38 0 59 -38 32 24 1.39 104 0 0 -37 49 57 16 29 37.9 21 29 -30 -37 39 28 -38 0 29 -37 34 24 -38 5 36 1.39 105 0 0 -37 23 49 16 29 32.7 21 28 -31 -37 13 24 -37 34 17 -37 8 23 -37 39 22 1.39 106 0 0 -36 58 15 16 29 27.3 22 27 -31 -36 47 55 -37 8 39 -36 42 55 -37 13 42 1.39 107 0 0 -36 33 17 16 29 21.8 23 26 -32 -36 23 0 -36 43 36 -36 18 2 -36 48 38 1.39 108 0 0 -36 8 53 16 29 16.1 24 26 -32 -35 58 40 -36 19 9 -35 53 44 -36 24 8 1.39 109 0 0 -35 45 5 16 29 10.3 24 25 -33 -35 34 55 -35 55 17 -35 30 1 -36 0 14 1.39 110 0 0 -35 21 52 16 29 4.3 25 24 -33 -35 11 46 -35 32 0 -35 6 54 -35 36 56 1.39 111 0 0 -34 59 15 16 28 58.2 26 23 -34 -34 49 13 -35 9 20 -34 44 22 -35 14 14 1.39 112 0 0 -34 37 15 16 28 52.0 26 22 -34 -34 27 16 -34 47 16 -34 22 27 -34 52 9 1.39 113 0 0 -34 15 51 16 28 45.6 27 21 -34 -34 5 56 -34 25 49 -34 1 8 -34 30 40 1.39 114 0 0 -33 55 4 16 28 39.0 27 21 -34 -33 45 12 -34 4 59 -33 40 26 -34 9 48 1.40 115 0 0 -33 34 54 16 28 32.4 28 20 -35 -33 25 5 -33 44 46 -33 20 21 -33 49 34 1.40 116 0 0 -33 15 22 16 28 25.6 29 19 -35 -33 5 36 -33 25 11 -33 0 53 -33 29 57 1.40 117 0 0 -32 56 27 16 28 18.8 29 18 -35 -32 46 44 -33 6 13 -32 42 2 -33 10 58 1.40 118 0 0 -32 38 10 16 28 11.8 30 17 -35 -32 28 29 -32 47 53 -32 23 49 -32 52 37 1.40 119 0 0 -32 20 31 16 28 4.7 30 16 -35 -32 10 53 -32 30 11 -32 6 13 -32 34 53 1.40 120 0 0 -32 3 29 16 27 57.5 31 15 -36 -31 53 54 -32 13 7 -31 49 16 -32 17 48 1.40 121 0 0 -31 47 6 16 27 50.2 31 14 -36 -31 37 33 -31 56 42 -31 32 56 -32 1 22 1.40 122 0 0 -31 31 22 16 27 42.9 32 13 -36 -31 21 51 -31 40 55 -31 17 15 -31 45 33 1.40 123 0 0 -31 16 15 16 27 35.5 32 12 -36 -31 6 47 -31 25 46 -31 2 12 -31 30 24 1.40 124 0 0 -31 1 47 16 27 27.9 32 11 -36 -30 52 21 -31 11 16 -30 47 47 -31 15 53 1.40 125 0 0 -30 47 58 16 27 20.3 33 10 -36 -30 38 33 -30 57 25 -30 34 1 -31 2 0 1.40 126 0 0 -30 34 47 16 27 12.7 33 9 -36 -30 25 25 -30 44 12 -30 20 53 -30 48 47 1.40 127 0 0 -30 22 16 16 27 5.0 34 8 -36 -30 12 55 -30 31 39 -30 8 24 -30 36 12 1.40 128 0 0 -30 10 23 16 26 57.2 34 7 -36 -30 1 3 -30 19 44 -29 56 33 -30 24 17 1.40 129 0 0 -29 59 8 16 26 49.4 34 6 -35 -29 49 51 -30 8 28 -29 45 21 -30 13 0 1.40 130 0 0 -29 48 33 16 26 41.5 34 5 -35 -29 39 17 -29 57 51 -29 34 48 -30 2 23 1.40 131 0 0 -29 38 37 16 26 33.6 35 4 -35 -29 29 22 -29 47 54 -29 24 54 -29 52 24 1.40 132 0 0 -29 29 19 16 26 25.7 35 3 -35 -29 20 6 -29 38 35 -29 15 39 -29 43 5 1.40 133 0 0 -29 20 41 16 26 17.7 35 2 -35 -29 11 29 -29 29 56 -29 7 2 -29 34 25 1.40 134 0 0 -29 12 42 16 26 9.7 35 1 -34 -29 3 31 -29 21 55 -28 59 5 -29 26 24 1.40 135 0 0 -29 5 22 16 26 1.7 35 360 -34 -28 56 12 -29 14 35 -28 51 47 -29 19 3 1.40 136 0 0 -28 58 42 16 25 53.6 35 359 -34 -28 49 33 -29 7 53 -28 45 7 -29 12 21 1.40 137 0 0 -28 52 40 16 25 45.6 35 358 -34 -28 43 32 -29 1 51 -28 39 7 -29 6 18 1.40 138 0 0 -28 47 18 16 25 37.5 36 357 -33 -28 38 11 -28 56 28 -28 33 46 -29 0 55 1.40 139 0 0 -28 42 35 16 25 29.5 36 356 -33 -28 33 28 -28 51 44 -28 29 4 -28 56 11 1.40 140 0 0 -28 38 32 16 25 21.4 36 354 -32 -28 29 25 -28 47 40 -28 25 1 -28 52 7 1.40 141 0 0 -28 35 8 16 25 13.4 35 353 -32 -28 26 2 -28 44 16 -28 21 38 -28 48 42 1.40 142 0 0 -28 32 23 16 25 5.3 35 352 -32 -28 23 17 -28 41 30 -28 18 54 -28 45 56 1.40 143 0 0 -28 30 17 16 24 57.3 35 351 -31 -28 21 12 -28 39 25 -28 16 48 -28 43 51 1.40 144 0 0 -28 28 51 16 24 49.3 35 350 -31 -28 19 46 -28 37 58 -28 15 23 -28 42 24 1.40 145 0 0 -28 28 5 16 24 41.3 35 349 -30 -28 18 59 -28 37 12 -28 14 36 -28 41 37 1.40 146 0 0 -28 27 57 16 24 33.3 35 348 -30 -28 18 52 -28 37 4 -28 14 29 -28 41 30 1.40 147 0 0 -28 28 30 16 24 25.4 35 347 -29 -28 19 24 -28 37 37 -28 15 1 -28 42 3 1.40 148 0 0 -28 29 41 16 24 17.5 35 346 -29 -28 20 36 -28 38 49 -28 16 12 -28 43 15 1.40 149 0 0 -28 31 32 16 24 9.7 34 345 -28 -28 22 27 -28 40 40 -28 18 3 -28 45 6 1.40 150 0 0 -28 34 3 16 24 1.9 34 344 -27 -28 24 57 -28 43 11 -28 20 33 -28 47 37 1.41 151 0 0 -28 37 13 16 23 54.2 34 343 -27 -28 28 7 -28 46 22 -28 23 43 -28 50 48 1.41 152 0 0 -28 41 3 16 23 46.5 33 342 -26 -28 31 56 -28 50 12 -28 27 31 -28 54 39 1.41 153 0 0 -28 45 32 16 23 38.9 33 341 -26 -28 36 24 -28 54 42 -28 32 0 -28 59 9 1.41 154 0 0 -28 50 41 16 23 31.3 33 340 -25 -28 41 33 -28 59 52 -28 37 7 -29 4 19 1.41 155 0 0 -28 56 30 16 23 23.9 32 339 -24 -28 47 20 -29 5 41 -28 42 55 -29 10 9 1.41 156 0 0 -29 2 58 16 23 16.5 32 338 -24 -28 53 47 -29 12 10 -28 49 21 -29 16 38 1.41 157 0 0 -29 10 5 16 23 9.1 31 337 -23 -29 0 54 -29 19 19 -28 56 27 -29 23 48 1.41 158 0 0 -29 17 52 16 23 1.9 31 336 -22 -29 8 39 -29 27 7 -29 4 12 -29 31 36 1.41 159 0 0 -29 26 19 16 22 54.7 31 335 -21 -29 17 5 -29 35 35 -29 12 37 -29 40 5 1.41 160 0 0 -29 35 25 16 22 47.7 30 335 -21 -29 26 9 -29 44 42 -29 21 41 -29 49 13 1.41 161 0 0 -29 45 10 16 22 40.7 30 334 -20 -29 35 54 -29 54 29 -29 31 25 -29 59 1 1.42 162 0 0 -29 55 35 16 22 33.9 29 333 -19 -29 46 17 -30 4 56 -29 41 48 -30 9 28 1.42 163 0 0 -30 6 40 16 22 27.1 28 332 -19 -29 57 20 -30 16 2 -29 52 50 -30 20 35 1.42 164 0 0 -30 18 24 16 22 20.5 28 331 -18 -30 9 3 -30 27 48 -30 4 31 -30 32 22 1.42 165 0 0 -30 30 48 16 22 14.0 27 330 -17 -30 21 24 -30 40 13 -30 16 52 -30 44 48 1.42 166 0 0 -30 43 51 16 22 7.6 27 330 -16 -30 34 25 -30 53 18 -30 29 52 -30 57 54 1.42 167 0 0 -30 57 33 16 22 1.3 26 329 -15 -30 48 6 -31 7 3 -30 43 31 -31 11 39 1.42 168 0 0 -31 11 54 16 21 55.2 25 328 -15 -31 2 25 -31 21 26 -30 57 50 -31 26 4 1.42 169 0 0 -31 26 55 16 21 49.1 25 327 -14 -31 17 23 -31 36 29 -31 12 47 -31 41 8 1.42 170 0 0 -31 42 35 16 21 43.3 24 326 -13 -31 33 1 -31 52 12 -31 28 24 -31 56 52 1.43 171 0 0 -31 58 54 16 21 37.6 23 326 -12 -31 49 18 -32 8 33 -31 44 39 -32 13 15 1.43 172 0 0 -32 15 52 16 21 32.0 23 325 -11 -32 6 13 -32 25 34 -32 1 33 -32 30 16 1.43 173 0 0 -32 33 29 16 21 26.6 22 324 -10 -32 23 47 -32 43 13 -32 19 6 -32 47 57 1.43 174 0 0 -32 51 45 16 21 21.3 21 323 -10 -32 42 0 -33 1 32 -32 37 18 -33 6 17 1.43 175 0 0 -33 10 39 16 21 16.2 21 323 -9 -33 0 51 -33 20 29 -32 56 8 -33 25 16 1.43 176 0 0 -33 30 11 16 21 11.3 20 322 -8 -33 20 21 -33 40 5 -33 15 36 -33 44 53 1.44 177 0 0 -33 50 22 16 21 6.5 19 321 -7 -33 40 29 -34 0 19 -33 35 42 -34 5 8 1.44 178 0 0 -34 11 11 16 21 1.9 18 321 -6 -34 1 14 -34 21 11 -33 56 26 -34 26 2 1.44 179 0 0 -34 32 38 16 20 57.5 17 320 -5 -34 22 38 -34 42 41 -34 17 48 -34 47 34 1.44 180 0 0 -34 54 43 16 20 53.3 17 319 -4 -34 44 39 -35 4 50 -34 39 48 -35 9 44 1.44 -179 0 0 -35 17 25 16 20 49.3 16 319 -3 -35 7 18 -35 27 36 -35 2 25 -35 32 32 1.44 -178 0 0 -35 40 44 16 20 45.5 15 318 -3 -35 30 33 -35 50 58 -35 25 38 -35 55 56 1.45 -177 0 0 -36 4 40 16 20 41.8 14 317 -2 -35 54 25 -36 14 57 -35 49 28 -36 19 58 1.45 -176 0 0 -36 29 12 16 20 38.4 13 317 -1 -36 18 53 -36 39 33 -36 13 54 -36 44 36 1.45 -175 0 0 -36 54 20 16 20 35.2 12 316 0 -36 43 57 -37 4 46 -36 38 57 -37 9 50 1.45 -174 0 0 -37 20 4 16 20 32.1 12 315 1 -37 9 37 -37 30 34 -37 4 34 -37 35 40 1.46 -173 0 0 -37 46 23 16 20 29.3 11 315 2 -37 35 52 -37 56 57 -37 30 47 -38 2 6 1.46 -172 0 0 -38 13 17 16 20 26.7 10 314 3 -38 2 41 -38 23 55 -37 57 35 -38 29 6 1.46 -171 0 0 -38 40 45 16 20 24.3 9 313 4 -38 30 5 -38 51 28 -38 24 56 -38 56 41 1.47 -170 0 0 -39 8 47 16 20 22.2 8 313 5 -38 58 2 -39 19 34 -38 52 51 -39 24 50 1.47 -169 0 0 -39 37 21 16 20 20.2 7 312 6 -39 26 32 -39 48 14 -39 21 19 -39 53 32 1.48 -168 0 0 -40 6 29 16 20 18.5 6 311 6 -39 55 35 -40 17 26 -39 50 19 -40 22 46 1.49 -167 0 0 -40 36 8 16 20 17.0 5 311 7 -40 25 9 -40 47 10 -40 19 51 -40 52 33 1.50 -166 0 0 -41 6 18 16 20 15.8 5 310 8 -40 55 14 -41 17 26 -40 49 54 -41 22 50 1.51 -165 0 0 -41 36 58 16 20 14.8 4 309 9 -41 25 49 -41 48 11 -41 20 26 -41 53 39 1.53 -164 0 0 -42 8 8 16 20 14.0 3 309 10 -41 56 54 -42 19 27 -41 51 29 -42 24 57 1.56 -163 0 0 -42 39 47 16 20 13.4 2 308 11 -42 28 27 -42 51 11 -42 22 59 -42 56 43 1.63 -162 0 0 -43 11 53 16 20 13.1 1 307 12 -43 0 28 -43 23 22 -42 54 58 -43 28 58 1.82 -161 0 0 .. .. .... .. .. .. .. .. .. -43 32 56 .. .. .. -43 27 22 .. .. .. .... Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 1867-03107-1 * constellation : Taurus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 05 59 56.8983 DE: +25 44 37.732 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 05 59 56.8983 DE: +25 44 37.733 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 11.4 * B mag [mag]: 12.2 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (2259) Sofievka asteroid class: approx. diameter [km]: 19 approx. diameter ["]: 0.016 distance from Earth [AU]: 1.69760 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#54 date of fit: 2023 Apr 24 source of used astrometry: MPC, JPL number of used observations: 0 number of rejected observations: 0 time covered by the observations: 1800 Jan 01 - 1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.016", 0.003", 95.363° remarks: * orbital elements for (2259)Sofievka : Mean anomaly = 136.8069048384 deg Arg. of pericenter = 12.3933476591 deg Long. of node = 280.2041764987 deg Inclination = 4.6832364585 deg Eccentricity = 0.1853430861 Semimajor axis = 2.2955255717 AU Perihelion dist = 1.8700657780 AU Mag: H = 12.70, G = 0.15 Epoch of elements : MJD 60643.68434804 TDT (2024 Nov 29.6843) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#542023Apr24,1.66,2024,11,29,16.424343,0.065231,-0.810177,-6.613003,-0.532330,-0.002256,-0.000211,0.000001,0.000000 134.9661,25.7457,-69.23,-21.63,False TYC 1867-03107-1,5.99913840,25.7438146,12.19,11.36,10.91,0.1,0,,6.02522734,25.7456850,5.18,5.17,0,0,0 2259,Sofievka,16.53,19.482,1.6976,0,0,-2.535,-2.76,,1.0,0 0,136.6130,2024,11,29,12.3933,280.2042,4.6832,0.18534,2.29553,1.87007,12.70,5.0,0.15 1.242,0.0160,0.0027,95,0.0038,Known errors,1.26,0,-1,-1 20241129_3107-1,60140.72 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:16 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org