IOTA/IOTA-ES occultation update for (368) Haidea / TYC 1328-00801-1 event on 2024 Nov 21, 19:48 UT Visible from Summary ------- On 2024 Nov 21 UT, the 69.35 km diameter asteroid (368) Haidea will occult a 11.3 mag star in the constellation Gemini for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 4.06 mag to 15.28 mag (the magnitude of the asteroid) for at most 6.840 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 21, 19:43 - 2024 Nov 21, 19:54 * geocentric midpoint of event [JD]: 2460636.32565891 * magnitude of target star: 11.25 * magnitude drop [mag]: 4.06 * estimated maximum duration [s]: 6.840 * Moon: 62 % sunlit, 40° distance * Sun: 142° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 136 * 1 sigma uncertainty interval [path widths]: +/- 0.22 * 1 sigma uncertainty interval [seconds]: +/- 2.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.017, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.018", 0.004", 100°) * approx speed of asteroid's shadow [km/s]: 10.1365 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1328-00801-1 by 368 Haidea on 2024 Nov 21 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 54 0 0 .. .. .... .. .. .. .. .. .. .. .. .. .. .. .. -67 46 55 .. .. .. .... 55 0 0 .. .. .... .. .. .. .. .. .. -67 45 44 .. .. .. -67 21 14 .. .. .. .... 56 0 0 -68 16 27 19 54 14.0 0 40 -2 -67 19 35 .. .. .. -66 55 7 .. .. .. .... 57 0 0 -67 49 49 19 54 14.0 1 39 -2 -66 53 2 .. .. .. -66 28 35 .. .. .. 0.62 58 0 0 -67 22 45 19 54 13.8 1 38 -3 -66 26 4 -68 22 0 -66 1 40 -68 49 13 1.12 59 0 0 -66 55 16 19 54 13.4 2 37 -3 -65 58 43 -67 54 23 -65 34 22 -68 21 32 1.31 60 0 0 -66 27 24 19 54 12.9 3 36 -4 -65 31 0 -67 26 21 -65 6 43 -67 53 24 1.41 61 0 0 -65 59 10 19 54 12.3 3 36 -4 -65 2 56 -66 57 55 -64 38 43 -67 24 53 1.47 62 0 0 -65 30 34 19 54 11.5 4 35 -4 -64 34 32 -66 29 7 -64 10 23 -66 55 58 1.52 63 0 0 -65 1 39 19 54 10.5 4 34 -5 -64 5 49 -65 59 57 -63 41 46 -66 26 41 1.55 64 0 0 -64 32 25 19 54 9.4 5 33 -5 -63 36 49 -65 30 27 -63 12 51 -65 57 4 1.57 65 0 0 -64 2 54 19 54 8.1 6 32 -6 -63 7 33 -65 0 39 -62 43 42 -65 27 8 1.59 66 0 0 -63 33 8 19 54 6.6 6 31 -6 -62 38 3 -64 30 35 -62 14 18 -64 56 54 1.60 67 0 0 -63 3 7 19 54 4.9 7 30 -7 -62 8 19 -64 0 15 -61 44 41 -64 26 25 1.62 68 0 0 -62 32 53 19 54 3.1 8 29 -7 -61 38 23 -63 29 41 -61 14 52 -63 55 42 1.63 69 0 0 -62 2 29 19 54 1.0 8 28 -7 -61 8 17 -62 58 56 -60 44 54 -63 24 46 1.63 70 0 0 -61 31 54 19 53 58.8 9 27 -8 -60 38 2 -62 27 59 -60 14 47 -62 53 39 1.64 71 0 0 -61 1 12 19 53 56.4 10 26 -8 -60 7 40 -61 56 54 -59 44 33 -62 22 23 1.65 72 0 0 -60 30 23 19 53 53.7 10 26 -9 -59 37 11 -61 25 42 -59 14 13 -61 50 59 1.65 73 0 0 -59 59 28 19 53 50.9 11 25 -9 -59 6 38 -60 54 24 -58 43 48 -61 19 30 1.66 74 0 0 -59 28 30 19 53 47.8 12 24 -9 -58 36 2 -60 23 2 -58 13 21 -60 47 56 1.66 75 0 0 -58 57 30 19 53 44.6 12 23 -10 -58 5 24 -59 51 37 -57 42 52 -60 16 20 1.67 76 0 0 -58 26 30 19 53 41.1 13 22 -10 -57 34 45 -59 20 11 -57 12 23 -59 44 42 1.67 77 0 0 -57 55 30 19 53 37.5 14 21 -10 -57 4 8 -58 48 46 -56 41 55 -59 13 5 1.68 78 0 0 -57 24 33 19 53 33.6 14 20 -11 -56 33 34 -58 17 24 -56 11 30 -58 41 30 1.68 79 0 0 -56 53 39 19 53 29.5 15 19 -11 -56 3 3 -57 46 4 -55 41 9 -58 9 58 1.68 80 0 0 -56 22 50 19 53 25.3 16 18 -11 -55 32 37 -57 14 50 -55 10 53 -57 38 32 1.68 81 0 0 -55 52 8 19 53 20.8 16 17 -12 -55 2 18 -56 43 43 -54 40 43 -57 7 12 1.69 82 0 0 -55 21 34 19 53 16.1 17 16 -12 -54 32 7 -56 12 43 -54 10 41 -56 36 0 1.69 83 0 0 -54 51 8 19 53 11.3 18 16 -12 -54 2 5 -55 41 52 -53 40 48 -56 4 56 1.69 84 0 0 -54 20 53 19 53 6.2 18 15 -12 -53 32 12 -55 11 11 -53 11 6 -55 34 4 1.69 85 0 0 -53 50 49 19 53 0.9 19 14 -13 -53 2 32 -54 40 42 -52 41 34 -55 3 23 1.69 86 0 0 -53 20 58 19 52 55.5 20 13 -13 -52 33 3 -54 10 26 -52 12 16 -54 32 55 1.69 87 0 0 -52 51 21 19 52 49.9 20 12 -13 -52 3 49 -53 40 24 -51 43 10 -54 2 41 1.70 88 0 0 -52 21 59 19 52 44.0 21 11 -13 -51 34 48 -53 10 37 -51 14 19 -53 32 43 1.70 89 0 0 -51 52 52 19 52 38.1 21 10 -13 -51 6 4 -52 41 7 -50 45 44 -53 3 1 1.70 90 0 0 -51 24 3 19 52 31.9 22 9 -13 -50 37 36 -52 11 53 -50 17 25 -52 33 36 1.70 91 0 0 -50 55 31 19 52 25.6 22 8 -13 -50 9 26 -51 42 58 -49 49 24 -52 4 30 1.70 92 0 0 -50 27 18 19 52 19.1 23 7 -14 -49 41 34 -51 14 22 -49 21 41 -51 35 43 1.70 93 0 0 -49 59 25 19 52 12.5 24 6 -14 -49 14 2 -50 46 7 -48 54 18 -51 7 16 1.70 94 0 0 -49 31 52 19 52 5.7 24 5 -14 -48 46 50 -50 18 12 -48 27 14 -50 39 11 1.70 95 0 0 -49 4 41 19 51 58.7 25 4 -14 -48 19 59 -49 50 39 -48 0 31 -50 11 28 1.70 96 0 0 -48 37 52 19 51 51.6 25 3 -14 -47 53 29 -49 23 28 -47 34 10 -49 44 7 1.70 97 0 0 -48 11 26 19 51 44.4 25 2 -14 -47 27 23 -48 56 42 -47 8 12 -49 17 10 1.70 98 0 0 -47 45 24 19 51 37.1 26 1 -14 -47 1 39 -48 30 19 -46 42 36 -48 50 38 1.70 99 0 0 -47 19 46 19 51 29.6 26 360 -14 -46 36 20 -48 4 20 -46 17 24 -48 24 30 1.70 100 0 0 -46 54 33 19 51 22.0 27 359 -13 -46 11 25 -47 38 48 -45 52 37 -47 58 48 1.70 101 0 0 -46 29 45 19 51 14.4 27 358 -13 -45 46 55 -47 13 41 -45 28 15 -47 33 33 1.70 102 0 0 -46 5 24 19 51 6.6 28 357 -13 -45 22 51 -46 49 1 -45 4 18 -47 8 44 1.70 103 0 0 -45 41 29 19 50 58.7 28 356 -13 -44 59 13 -46 24 49 -44 40 47 -46 44 23 1.70 104 0 0 -45 18 2 19 50 50.7 28 355 -13 -44 36 2 -46 1 4 -44 17 43 -46 20 30 1.70 105 0 0 -44 55 3 19 50 42.6 29 353 -13 -44 13 19 -45 37 47 -43 55 6 -45 57 5 1.70 106 0 0 -44 32 31 19 50 34.5 29 352 -12 -43 51 3 -45 14 59 -43 32 57 -45 34 10 1.70 107 0 0 -44 10 29 19 50 26.3 29 351 -12 -43 29 16 -44 52 41 -43 11 16 -45 11 43 1.70 108 0 0 -43 48 56 19 50 18.0 29 350 -12 -43 7 57 -44 30 52 -42 50 4 -44 49 47 1.70 109 0 0 -43 27 52 19 50 9.7 30 349 -12 -42 47 7 -44 9 33 -42 29 20 -44 28 21 1.70 110 0 0 -43 7 18 19 50 1.3 30 348 -11 -42 26 48 -43 48 44 -42 9 6 -44 7 26 1.70 111 0 0 -42 47 15 19 49 52.9 30 347 -11 -42 6 57 -43 28 26 -41 49 22 -43 47 1 1.70 112 0 0 -42 27 42 19 49 44.4 30 346 -11 -41 47 38 -43 8 40 -41 30 7 -43 27 8 1.70 113 0 0 -42 8 41 19 49 35.9 30 345 -10 -41 28 49 -42 49 25 -41 11 24 -43 7 47 1.70 114 0 0 -41 50 10 19 49 27.4 30 344 -10 -41 10 30 -42 30 42 -40 53 11 -42 48 58 1.70 115 0 0 -41 32 12 19 49 18.8 30 343 -10 -40 52 43 -42 12 31 -40 35 29 -42 30 41 1.70 116 0 0 -41 14 45 19 49 10.3 30 341 -9 -40 35 28 -41 54 52 -40 18 18 -42 12 57 1.70 117 0 0 -40 57 51 19 49 1.7 30 340 -9 -40 18 45 -41 37 47 -40 1 39 -41 55 46 1.70 118 0 0 -40 41 29 19 48 53.2 30 339 -8 -40 2 33 -41 21 14 -39 45 32 -41 39 8 1.70 119 0 0 -40 25 40 19 48 44.6 30 338 -8 -39 46 54 -41 5 14 -39 29 57 -41 23 3 1.70 120 0 0 -40 10 24 19 48 36.1 30 337 -8 -39 31 47 -40 49 48 -39 14 54 -41 7 32 1.70 121 0 0 -39 55 41 19 48 27.5 30 336 -7 -39 17 14 -40 34 55 -39 0 25 -40 52 35 1.70 122 0 0 -39 41 31 19 48 19.0 30 335 -7 -39 3 13 -40 20 37 -38 46 28 -40 38 12 1.70 123 0 0 -39 27 56 19 48 10.6 30 334 -6 -38 49 45 -40 6 52 -38 33 4 -40 24 24 1.70 124 0 0 -39 14 54 19 48 2.1 30 333 -6 -38 36 51 -39 53 42 -38 20 13 -40 11 9 1.70 125 0 0 -39 2 26 19 47 53.7 30 332 -5 -38 24 31 -39 41 6 -38 7 56 -39 58 30 1.70 126 0 0 -38 50 32 19 47 45.4 30 331 -4 -38 12 44 -39 29 4 -37 56 12 -39 46 25 1.70 127 0 0 -38 39 13 19 47 37.1 29 330 -4 -38 1 32 -39 17 38 -37 45 2 -39 34 55 1.70 128 0 0 -38 28 28 19 47 28.9 29 329 -3 -37 50 53 -39 6 46 -37 34 26 -39 24 0 1.70 129 0 0 -38 18 18 19 47 20.7 29 328 -3 -37 40 49 -38 56 30 -37 24 25 -39 13 41 1.70 130 0 0 -38 8 42 19 47 12.6 29 327 -2 -37 31 19 -38 46 49 -37 14 57 -39 3 57 1.70 131 0 0 -37 59 42 19 47 4.6 28 326 -2 -37 22 24 -38 37 43 -37 6 4 -38 54 49 1.70 132 0 0 -37 51 17 19 46 56.6 28 325 -1 -37 14 3 -38 29 12 -36 57 46 -38 46 16 1.70 133 0 0 -37 43 27 19 46 48.8 28 324 0 -37 6 18 -38 21 18 -36 50 2 -38 38 19 1.70 134 0 0 -37 36 12 19 46 41.0 27 323 0 -36 59 7 -38 13 59 -36 42 53 -38 30 58 1.71 135 0 0 -37 29 33 19 46 33.3 27 322 1 -36 52 31 -38 7 16 -36 36 19 -38 24 14 1.71 136 0 0 -37 23 29 19 46 25.8 27 321 2 -36 46 31 -38 1 9 -36 30 20 -38 18 5 1.71 137 0 0 -37 18 1 19 46 18.3 26 320 2 -36 41 6 -37 55 38 -36 24 56 -38 12 33 1.71 138 0 0 -37 13 9 19 46 10.9 26 319 3 -36 36 16 -37 50 43 -36 20 7 -38 7 37 1.71 139 0 0 -37 8 53 19 46 3.7 25 318 4 -36 32 2 -37 46 25 -36 15 54 -38 3 17 1.71 140 0 0 -37 5 12 19 45 56.6 25 317 4 -36 28 23 -37 42 43 -36 12 16 -37 59 34 1.71 141 0 0 -37 2 8 19 45 49.6 24 317 5 -36 25 21 -37 39 37 -36 9 14 -37 56 28 1.71 142 0 0 -36 59 40 19 45 42.8 24 316 6 -36 22 54 -37 37 8 -36 6 47 -37 53 59 1.71 143 0 0 -36 57 49 19 45 36.1 23 315 6 -36 21 3 -37 35 16 -36 4 57 -37 52 6 1.71 144 0 0 -36 56 34 19 45 29.5 23 314 7 -36 19 48 -37 34 1 -36 3 42 -37 50 51 1.72 145 0 0 -36 55 55 19 45 23.0 22 313 8 -36 19 9 -37 33 22 -36 3 3 -37 50 13 1.72 146 0 0 -36 55 53 19 45 16.8 22 312 9 -36 19 6 -37 33 21 -36 3 0 -37 50 11 1.72 147 0 0 -36 56 27 19 45 10.6 21 312 9 -36 19 40 -37 33 56 -36 3 33 -37 50 47 1.72 148 0 0 -36 57 38 19 45 4.7 20 311 10 -36 20 49 -37 35 9 -36 4 42 -37 52 0 1.72 149 0 0 -36 59 26 19 44 58.9 20 310 11 -36 22 35 -37 36 58 -36 6 27 -37 53 51 1.72 150 0 0 -37 1 51 19 44 53.2 19 309 12 -36 24 58 -37 39 25 -36 8 49 -37 56 19 1.73 151 0 0 -37 4 53 19 44 47.8 19 309 12 -36 27 57 -37 42 30 -36 11 47 -37 59 25 1.73 152 0 0 -37 8 31 19 44 42.5 18 308 13 -36 31 33 -37 46 11 -36 15 22 -38 3 7 1.73 153 0 0 -37 12 47 19 44 37.4 17 307 14 -36 35 45 -37 50 30 -36 19 33 -38 7 28 1.73 154 0 0 -37 17 39 19 44 32.5 17 306 15 -36 40 34 -37 55 26 -36 24 20 -38 12 26 1.73 155 0 0 -37 23 9 19 44 27.7 16 306 16 -36 45 59 -38 1 0 -36 29 43 -38 18 2 1.74 156 0 0 -37 29 15 19 44 23.2 15 305 16 -36 52 1 -38 7 11 -36 35 43 -38 24 15 1.74 157 0 0 -37 35 59 19 44 18.8 14 304 17 -36 58 40 -38 14 0 -36 42 20 -38 31 6 1.74 158 0 0 -37 43 19 19 44 14.7 14 304 18 -37 5 55 -38 21 26 -36 49 33 -38 38 35 1.74 159 0 0 -37 51 17 19 44 10.8 13 303 19 -37 13 47 -38 29 30 -36 57 23 -38 46 41 1.75 160 0 0 -37 59 52 19 44 7.0 12 302 19 -37 22 16 -38 38 11 -37 5 49 -38 55 26 1.75 161 0 0 -38 9 4 19 44 3.5 12 302 20 -37 31 22 -38 47 30 -37 14 52 -39 4 48 1.75 162 0 0 -38 18 53 19 44 0.2 11 301 21 -37 41 4 -38 57 27 -37 24 31 -39 14 48 1.76 163 0 0 -38 29 19 19 43 57.1 10 300 22 -37 51 23 -39 8 0 -37 34 47 -39 25 25 1.76 164 0 0 -38 40 22 19 43 54.2 9 300 23 -38 2 18 -39 19 12 -37 45 39 -39 36 40 1.77 165 0 0 -38 52 3 19 43 51.6 9 299 23 -38 13 50 -39 31 1 -37 57 8 -39 48 33 1.77 166 0 0 -39 4 20 19 43 49.1 8 298 24 -38 25 59 -39 43 27 -38 9 13 -40 1 4 1.78 167 0 0 -39 17 14 19 43 46.9 7 298 25 -38 38 44 -39 56 31 -38 21 54 -40 14 12 1.79 168 0 0 -39 30 45 19 43 45.0 6 297 26 -38 52 5 -40 10 12 -38 35 11 -40 27 57 1.80 169 0 0 -39 44 52 19 43 43.3 5 296 27 -39 6 3 -40 24 30 -38 49 5 -40 42 20 1.81 170 0 0 -39 59 37 19 43 41.8 5 296 27 -39 20 37 -40 39 25 -39 3 34 -40 57 21 1.83 171 0 0 -40 14 58 19 43 40.5 4 295 28 -39 35 47 -40 54 57 -39 18 40 -41 12 58 1.85 172 0 0 -40 30 55 19 43 39.5 3 295 29 -39 51 33 -41 11 6 -39 34 21 -41 29 13 1.88 173 0 0 -40 47 28 19 43 38.7 2 294 30 -40 7 55 -41 27 52 -39 50 38 -41 46 4 1.94 174 0 0 -41 4 38 19 43 38.2 1 293 30 -40 24 53 -41 45 15 -40 7 30 -42 3 33 2.07 175 0 0 -41 22 23 19 43 37.9 1 293 31 -40 42 25 -42 3 13 -40 24 58 -42 21 38 2.56 176 0 0 .. .. .... .. .. .. .. .. .. -41 0 33 .. .. .. -40 43 0 .. .. .. .... Uncertainty in time = +/- 3 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 1328-00801-1 * constellation : Gemini * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 06 30 27.8886 DE: +16 27 20.800 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 06 30 27.8886 DE: +16 27 20.800 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.3 * B mag [mag]: 11.5 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (368) Haidea asteroid class: approx. diameter [km]: 69 approx. diameter ["]: 0.038 distance from Earth [AU]: 2.50870 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#114 date of fit: 2023 Feb 09 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): 0.018", 0.004", 99.737° remarks: * orbital elements for (368)Haidea : Mean anomaly = 104.3562837898 deg Arg. of pericenter = 95.7184957270 deg Long. of node = 226.2592730098 deg Inclination = 7.7940526588 deg Eccentricity = 0.2039422806 Semimajor axis = 3.0764476230 AU Perihelion dist = 2.4490298787 AU Mag: H = 10.00, G = 0.15 Epoch of elements : MJD 60635.82566083 TDT (2024 Nov 21.8257) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1142023Feb09,6.84,2024,11,21,19.815814,0.235709,-0.827401,-5.502202,-1.568238,-0.003663,0.000762,0.000001,0.000000 99.4414,16.4396,-120.72,-20.15,False TYC 1328-00801-1,6.50774682,16.4557778,11.52,11.25,11.10,0.0,0,,6.53199910,16.4395866,4.05,3.76,0,0,0 368,Haidea,15.28,69.350,2.5087,0,0,-1.340,-5.50,,3.4,0 0,104.2055,2024,11,21,95.7185,226.2593,7.7941,0.20394,3.07645,2.44903,9.99,5.0,0.15 1.222,0.0177,0.0040,100,0.0085,Known errors,0.85,0,-1,-1 20241121_0801-1,60140.71 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:00 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org