IOTA/IOTA-ES occultation update for (346) Hermentaria / TYC 852-00079-1 event on 2024 Nov 02, 18:13 UT Visible from Summary ------- On 2024 Nov 02 UT, the 96.399 km diameter asteroid (346) Hermentaria will occult a 10.2 mag star in the constellation Leo for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 3.05 mag to 13.15 mag (the magnitude of the asteroid) for at most 3.320 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: 100 * date and approx. time of event: 2024 Nov 02, 18:10 - 2024 Nov 02, 18:17 * geocentric midpoint of event [JD]: 2460617.25951438 * magnitude of target star: 10.17 * magnitude drop [mag]: 3.05 * estimated maximum duration [s]: 3.320 * Moon: 1 % sunlit, 77° distance * Sun: 63° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 104 * 1 sigma uncertainty interval [path widths]: +/- 0.04 * 1 sigma uncertainty interval [seconds]: +/- 0.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.008, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.009", 0.001", 110°) * approx speed of asteroid's shadow [km/s]: 29.0691 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 852-00079-1 by 346 Hermentaria on 2024 Nov 2 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 106 0 0 .. .. .... .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 35 29 35 .... 107 0 0 35 13 7 18 10 18.7 1 73 -61 34 43 43 35 42 38 34 41 26 35 44 56 .... 108 0 0 35 28 15 18 10 18.7 2 74 -60 34 58 53 35 57 43 34 56 36 36 0 1 -0.36 109 0 0 35 43 6 18 10 18.9 2 74 -59 35 13 46 36 12 32 35 11 30 36 14 50 -0.38 110 0 0 35 57 41 18 10 19.0 3 75 -58 35 28 24 36 27 5 35 26 8 36 29 22 -0.38 111 0 0 36 12 0 18 10 19.3 4 75 -58 35 42 45 36 41 22 35 40 29 36 43 39 -0.39 112 0 0 36 26 3 18 10 19.6 5 76 -57 35 56 50 36 55 22 35 54 34 36 57 39 -0.39 113 0 0 36 39 49 18 10 19.9 6 77 -56 36 10 39 37 9 6 36 8 23 37 11 22 -0.39 114 0 0 36 53 19 18 10 20.3 7 77 -55 36 24 10 37 22 33 36 21 55 37 24 49 -0.39 115 0 0 37 6 32 18 10 20.7 7 78 -54 36 37 26 37 35 44 36 35 10 37 38 0 -0.39 116 0 0 37 19 28 18 10 21.1 8 78 -53 36 50 24 37 48 37 36 48 9 37 50 53 -0.39 117 0 0 37 32 7 18 10 21.7 9 79 -53 37 3 5 38 1 14 37 0 51 38 3 30 -0.39 118 0 0 37 44 29 18 10 22.2 10 80 -52 37 15 30 38 13 34 37 13 15 38 15 50 -0.40 119 0 0 37 56 34 18 10 22.8 11 80 -51 37 27 37 38 25 37 37 25 23 38 27 52 -0.40 120 0 0 38 8 22 18 10 23.5 12 81 -50 37 39 28 38 37 23 37 37 13 38 39 38 -0.40 121 0 0 38 19 53 18 10 24.2 12 82 -50 37 51 1 38 48 51 37 48 47 38 51 7 -0.40 122 0 0 38 31 7 18 10 24.9 13 82 -49 38 2 17 39 0 3 38 0 3 39 2 18 -0.40 123 0 0 38 42 3 18 10 25.7 14 83 -48 38 13 16 39 10 57 38 11 2 39 13 12 -0.40 124 0 0 38 52 42 18 10 26.5 15 83 -47 38 23 57 39 21 34 38 21 43 39 23 49 -0.40 125 0 0 39 3 4 18 10 27.4 16 84 -46 38 34 21 39 31 54 38 32 7 39 34 8 -0.40 126 0 0 39 13 9 18 10 28.3 16 85 -46 38 44 27 39 41 56 38 42 14 39 44 10 -0.40 127 0 0 39 22 55 18 10 29.2 17 85 -45 38 54 16 39 51 41 38 52 3 39 53 55 -0.40 128 0 0 39 32 25 18 10 30.2 18 86 -44 39 3 48 40 1 8 39 1 35 40 3 22 -0.40 129 0 0 39 41 37 18 10 31.2 19 87 -43 39 13 2 40 10 18 39 10 49 40 12 32 -0.40 130 0 0 39 50 31 18 10 32.3 19 87 -42 39 21 58 40 19 10 39 19 45 40 21 24 -0.40 131 0 0 39 59 8 18 10 33.4 20 88 -42 39 30 37 40 27 45 39 28 24 40 29 59 -0.40 132 0 0 40 7 28 18 10 34.6 21 89 -41 39 38 58 40 36 3 39 36 46 40 38 16 -0.40 133 0 0 40 15 30 18 10 35.7 22 90 -40 39 47 2 40 44 3 39 44 49 40 46 16 -0.40 134 0 0 40 23 14 18 10 36.9 23 90 -39 39 54 48 40 51 45 39 52 36 40 53 58 -0.40 135 0 0 40 30 40 18 10 38.2 23 91 -39 40 2 16 40 59 10 40 0 4 41 1 23 -0.40 136 0 0 40 37 49 18 10 39.5 24 92 -38 40 9 27 41 6 18 40 7 15 41 8 30 -0.40 137 0 0 40 44 41 18 10 40.8 25 92 -37 40 16 20 41 13 7 40 14 8 41 15 20 -0.40 138 0 0 40 51 15 18 10 42.2 26 93 -36 40 22 55 41 19 40 40 20 44 41 21 52 -0.40 139 0 0 40 57 31 18 10 43.5 26 94 -35 40 29 13 41 25 54 40 27 1 41 28 7 -0.40 140 0 0 41 3 29 18 10 45.0 27 95 -35 40 35 13 41 31 51 40 33 2 41 34 4 -0.40 141 0 0 41 9 10 18 10 46.4 28 95 -34 40 40 55 41 37 31 40 38 44 41 39 43 -0.40 142 0 0 41 14 34 18 10 47.9 29 96 -33 40 46 20 41 42 53 40 44 9 41 45 5 -0.40 143 0 0 41 19 40 18 10 49.4 29 97 -32 40 51 27 41 47 58 40 49 16 41 50 10 -0.40 144 0 0 41 24 28 18 10 51.0 30 98 -32 40 56 17 41 52 45 40 54 6 41 54 57 -0.40 145 0 0 41 28 59 18 10 52.6 31 98 -31 41 0 48 41 57 14 40 58 37 41 59 26 -0.40 146 0 0 41 33 11 18 10 54.2 32 99 -30 41 5 2 42 1 26 41 2 51 42 3 38 -0.40 147 0 0 41 37 7 18 10 55.9 32 100 -29 41 8 59 42 5 20 41 6 48 42 7 32 -0.40 148 0 0 41 40 44 18 10 57.6 33 101 -29 41 12 37 42 8 57 41 10 26 42 11 9 -0.40 149 0 0 41 44 4 18 10 59.3 34 101 -28 41 15 58 42 12 16 41 13 47 42 14 28 -0.40 150 0 0 41 47 7 18 11 1.0 34 102 -27 41 19 1 42 15 18 41 16 51 42 17 29 -0.40 151 0 0 41 49 52 18 11 2.8 35 103 -26 41 21 47 42 18 2 41 19 36 42 20 13 -0.40 152 0 0 41 52 19 18 11 4.6 36 104 -26 41 24 15 42 20 29 41 22 4 42 22 40 -0.40 153 0 0 41 54 29 18 11 6.4 37 105 -25 41 26 25 42 22 38 41 24 15 42 24 49 -0.40 154 0 0 41 56 21 18 11 8.3 37 106 -24 41 28 18 42 24 29 41 26 7 42 26 41 -0.40 155 0 0 41 57 55 18 11 10.2 38 106 -23 41 29 53 42 26 3 41 27 42 42 28 14 -0.40 156 0 0 41 59 12 18 11 12.1 39 107 -23 41 31 10 42 27 20 41 28 59 42 29 31 -0.40 157 0 0 42 0 11 18 11 14.1 39 108 -22 41 32 9 42 28 19 41 29 59 42 30 30 -0.40 158 0 0 42 0 53 18 11 16.1 40 109 -21 41 32 51 42 29 0 41 30 41 42 31 11 -0.40 159 0 0 42 1 17 18 11 18.1 41 110 -20 41 33 15 42 29 24 41 31 5 42 31 35 -0.40 160 0 0 42 1 23 18 11 20.1 42 111 -20 41 33 21 42 29 30 41 31 11 42 31 41 -0.40 161 0 0 42 1 12 18 11 22.2 42 112 -19 41 33 10 42 29 19 41 31 0 42 31 30 -0.40 162 0 0 42 0 43 18 11 24.3 43 113 -18 41 32 41 42 28 50 41 30 31 42 31 1 -0.40 163 0 0 41 59 56 18 11 26.4 44 114 -17 41 31 54 42 28 3 41 29 44 42 30 15 -0.40 164 0 0 41 58 52 18 11 28.6 44 115 -17 41 30 50 42 26 59 41 28 39 42 29 11 -0.40 165 0 0 41 57 30 18 11 30.8 45 116 -16 41 29 28 42 25 38 41 27 17 42 27 49 -0.40 166 0 0 41 55 50 18 11 33.0 46 117 -15 41 27 48 42 23 59 41 25 37 42 26 10 -0.40 167 0 0 41 53 53 18 11 35.2 46 118 -14 41 25 50 42 22 2 41 23 39 42 24 13 -0.40 168 0 0 41 51 38 18 11 37.5 47 119 -14 41 23 34 42 19 47 41 21 24 42 21 59 -0.40 169 0 0 41 49 5 18 11 39.8 48 120 -13 41 21 1 42 17 15 41 18 50 42 19 27 -0.40 170 0 0 41 46 15 18 11 42.1 48 121 -12 41 18 10 42 14 25 41 15 59 42 16 37 -0.40 171 0 0 41 43 7 18 11 44.4 49 122 -11 41 15 1 42 11 18 41 12 50 42 13 30 -0.40 172 0 0 41 39 41 18 11 46.8 50 123 -11 41 11 34 42 7 53 41 9 24 42 10 5 -0.40 173 0 0 41 35 57 18 11 49.2 50 124 -10 41 7 50 42 4 10 41 5 39 42 6 22 -0.40 174 0 0 41 31 56 18 11 51.7 51 125 -9 41 3 47 42 0 10 41 1 36 42 2 21 -0.40 175 0 0 41 27 36 18 11 54.1 52 126 -8 40 59 27 41 55 51 40 57 16 41 58 3 -0.40 176 0 0 41 22 59 18 11 56.6 52 127 -8 40 54 49 41 51 15 40 52 38 41 53 27 -0.40 177 0 0 41 18 4 18 11 59.1 53 129 -7 40 49 53 41 46 22 40 47 41 41 48 34 -0.40 178 0 0 41 12 52 18 12 1.6 54 130 -6 40 44 39 41 41 10 40 42 27 41 43 22 -0.40 179 0 0 41 7 21 18 12 4.2 54 131 -5 40 39 7 41 35 41 40 36 55 41 37 53 -0.40 -180 0 0 41 1 33 18 12 6.8 55 132 -5 40 33 17 41 29 54 40 31 5 41 32 6 -0.40 -179 0 0 40 55 26 18 12 9.4 56 134 -4 40 27 9 41 23 49 40 24 58 41 26 1 -0.40 -178 0 0 40 49 2 18 12 12.1 56 135 -3 40 20 43 41 17 26 40 18 32 41 19 39 -0.40 -177 0 0 40 42 20 18 12 14.7 57 136 -2 40 14 0 41 10 46 40 11 48 41 12 58 -0.40 -176 0 0 40 35 20 18 12 17.4 57 138 -1 40 6 58 41 3 47 40 4 46 41 6 0 -0.40 -175 0 0 40 28 2 18 12 20.2 58 139 -1 39 59 38 40 56 31 39 57 26 40 58 44 -0.40 -174 0 0 40 20 26 18 12 22.9 59 141 0 39 52 1 40 48 57 39 49 49 40 51 10 -0.40 -173 0 0 40 12 32 18 12 25.7 59 142 1 39 44 5 40 41 5 39 41 53 40 43 18 -0.40 -172 0 0 40 4 20 18 12 28.5 60 144 2 39 35 52 40 32 55 39 33 39 40 35 8 -0.40 -171 0 0 39 55 51 18 12 31.3 60 145 2 39 27 20 40 24 27 39 25 7 40 26 41 -0.40 -170 0 0 39 47 3 18 12 34.1 61 147 3 39 18 30 40 15 41 39 16 18 40 17 55 -0.40 -169 0 0 39 37 58 18 12 37.0 61 149 4 39 9 23 40 6 38 39 7 10 40 8 52 -0.40 -168 0 0 39 28 34 18 12 39.9 62 150 5 38 59 57 39 57 16 38 57 44 39 59 30 -0.40 -167 0 0 39 18 53 18 12 42.8 63 152 5 38 50 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52 261 46 24 36 40 25 37 22 24 34 19 25 39 44 -0.41 -115 0 0 24 44 58 18 15 33.7 51 262 47 24 14 40 25 15 23 24 12 19 25 17 45 -0.41 -114 0 0 24 22 52 18 15 36.9 50 263 48 23 52 34 24 53 18 23 50 13 24 55 40 -0.41 -113 0 0 24 0 42 18 15 40.0 49 264 48 23 30 23 24 31 8 23 28 2 24 33 30 -0.41 -112 0 0 23 38 27 18 15 43.1 48 265 49 23 8 8 24 8 53 23 5 47 24 11 15 -0.41 -111 0 0 23 16 8 18 15 46.2 47 266 50 22 45 49 23 46 34 22 43 28 23 48 56 -0.41 -110 0 0 22 53 46 18 15 49.2 47 267 50 22 23 27 23 24 12 22 21 6 23 26 34 -0.41 -109 0 0 22 31 21 18 15 52.2 46 268 51 22 1 2 23 1 47 21 58 41 23 4 9 -0.41 -108 0 0 22 8 53 18 15 55.2 45 268 52 21 38 34 22 39 19 21 36 14 22 41 41 -0.41 -107 0 0 21 46 24 18 15 58.1 44 269 52 21 16 5 22 16 49 21 13 45 22 19 11 -0.41 -106 0 0 21 23 53 18 16 0.9 43 270 53 20 53 35 21 54 18 20 51 14 21 56 40 -0.41 -105 0 0 21 1 22 18 16 3.8 42 271 53 20 31 4 21 31 47 20 28 44 21 34 9 -0.41 -104 0 0 20 38 51 18 16 6.5 41 271 54 20 8 34 21 9 15 20 6 13 21 11 37 -0.41 -103 0 0 20 16 20 18 16 9.3 40 272 54 19 46 3 20 46 43 19 43 43 20 49 5 -0.41 -102 0 0 19 53 50 18 16 11.9 39 273 55 19 23 34 20 24 13 19 21 14 20 26 34 -0.41 -101 0 0 19 31 22 18 16 14.6 38 273 55 19 1 7 20 1 44 18 58 46 20 4 5 -0.41 -100 0 0 19 8 56 18 16 17.2 37 274 56 18 38 42 19 39 17 18 36 21 19 41 38 -0.41 - 99 0 0 18 46 32 18 16 19.7 36 274 56 18 16 19 19 16 52 18 13 59 19 19 14 -0.41 - 98 0 0 18 24 12 18 16 22.1 35 275 57 17 54 0 18 54 31 17 51 40 18 56 52 -0.41 - 97 0 0 18 1 56 18 16 24.6 34 275 57 17 31 45 18 32 14 17 29 25 18 34 35 -0.41 - 96 0 0 17 39 44 18 16 26.9 33 276 57 17 9 35 18 10 1 17 7 15 18 12 22 -0.41 - 95 0 0 17 17 38 18 16 29.2 32 276 58 16 47 29 17 47 53 16 45 9 17 50 14 -0.41 - 94 0 0 16 55 37 18 16 31.4 31 277 58 16 25 30 17 25 50 16 23 10 17 28 11 -0.41 - 93 0 0 16 33 41 18 16 33.6 30 277 58 16 3 36 17 3 54 16 1 16 17 6 14 -0.41 - 92 0 0 16 11 53 18 16 35.7 29 278 58 15 41 49 16 42 3 15 39 29 16 44 24 -0.41 - 91 0 0 15 50 12 18 16 37.8 28 278 58 15 20 9 16 20 21 15 17 50 16 22 41 -0.41 - 90 0 0 15 28 38 18 16 39.8 27 278 58 14 58 38 15 58 45 14 56 18 16 1 6 -0.42 - 89 0 0 15 7 13 18 16 41.7 26 279 59 14 37 14 15 37 18 14 34 55 15 39 39 -0.42 - 88 0 0 14 45 56 18 16 43.5 25 279 59 14 15 59 15 16 0 14 13 40 15 18 20 -0.42 - 87 0 0 14 24 49 18 16 45.3 24 279 59 13 54 54 14 54 51 13 52 35 14 57 11 -0.42 - 86 0 0 14 3 51 18 16 47.0 23 280 58 13 33 58 14 33 51 13 31 39 14 36 11 -0.42 - 85 0 0 13 43 4 18 16 48.6 22 280 58 13 13 13 14 13 2 13 10 54 14 15 22 -0.42 - 84 0 0 13 22 28 18 16 50.2 21 280 58 12 52 38 13 52 24 12 50 20 13 54 43 -0.42 - 83 0 0 13 2 3 18 16 51.7 20 281 58 12 32 15 13 31 56 12 29 57 13 34 16 -0.42 - 82 0 0 12 41 49 18 16 53.1 19 281 58 12 12 4 13 11 41 12 9 46 13 14 0 -0.42 - 81 0 0 12 21 48 18 16 54.5 18 281 58 11 52 5 12 51 37 11 49 46 12 53 56 -0.42 - 80 0 0 12 1 59 18 16 55.8 17 281 57 11 32 18 12 31 46 11 30 0 12 34 5 -0.42 - 79 0 0 11 42 23 18 16 57.0 16 282 57 11 12 45 12 12 8 11 10 27 12 14 27 -0.42 - 78 0 0 11 23 1 18 16 58.1 15 282 57 10 53 25 11 52 44 10 51 7 11 55 3 -0.43 - 77 0 0 11 3 53 18 16 59.2 14 282 56 10 34 19 11 33 33 10 32 1 11 35 52 -0.43 - 76 0 0 10 44 59 18 17 0.2 13 282 56 10 15 27 11 14 37 10 13 10 11 16 55 -0.43 - 75 0 0 10 26 19 18 17 1.1 12 283 56 9 56 50 10 55 56 9 54 33 10 58 14 -0.43 - 74 0 0 10 7 55 18 17 1.9 11 283 55 9 38 28 10 37 29 9 36 11 10 39 47 -0.43 - 73 0 0 9 49 46 18 17 2.6 10 283 55 9 20 21 10 19 18 9 18 5 10 21 36 -0.44 - 72 0 0 9 31 54 18 17 3.3 9 283 54 9 2 31 10 1 23 9 0 14 10 3 40 -0.44 - 71 0 0 9 14 17 18 17 3.9 8 283 54 8 44 56 9 43 44 8 42 40 9 46 1 -0.44 - 70 0 0 8 56 57 18 17 4.5 7 283 53 8 27 39 9 26 21 8 25 22 9 28 38 -0.45 - 69 0 0 8 39 53 18 17 4.9 6 284 52 8 10 38 9 9 15 8 8 22 9 11 32 -0.46 - 68 0 0 8 23 7 18 17 5.3 5 284 52 7 53 54 8 52 27 7 51 38 8 54 44 -0.47 - 67 0 0 8 6 38 18 17 5.6 4 284 51 7 37 27 8 35 56 7 35 12 8 38 12 -0.49 - 66 0 0 7 50 28 18 17 5.8 2 284 51 7 21 19 8 19 43 7 19 3 8 21 59 -0.53 - 65 0 0 7 34 35 18 17 6.0 1 284 50 7 5 28 8 3 47 7 3 13 8 6 4 -0.61 - 64 0 0 7 19 0 18 17 6.0 0 284 49 6 49 56 7 48 11 6 47 41 7 50 27 -1.08 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 852-00079-1 * constellation : Leo * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 10 44 18.2050 DE: +14 19 15.349 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 10 44 18.2052 DE: +14 19 15.347 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 10.2 * B mag [mag]: 10.4 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (346) Hermentaria asteroid class: approx. diameter [km]: 96 approx. diameter ["]: 0.041 distance from Earth [AU]: 3.20370 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#52 date of fit: 2023 Apr 27 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): 0.009", 0.001", 109.639° remarks: * orbital elements for (346)Hermentaria : Mean anomaly = 106.0657960795 deg Arg. of pericenter = 290.7405560556 deg Long. of node = 91.8478211221 deg Inclination = 8.7580051589 deg Eccentricity = 0.1030260053 Semimajor axis = 2.7945321210 AU Perihelion dist = 2.5066226398 AU Mag: H = 7.38, G = 0.15 Epoch of elements : MJD 60616.75951433 TDT (2024 Nov 02.7595) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#522023Apr27,3.32,2024,11,2,18.228345,0.090914,0.358824,15.895978,-4.064569,-0.004785,0.002253,-0.000001,0.000000 -154.5311,14.1916,-97.53,-15.07,False TYC 852-00079-1,10.73839024,14.3209306,10.41,10.17,10.04,0.0,0,,10.76017358,14.1915909,3.05,2.75,0,0,0 346,Hermentaria,13.15,96.399,3.2037,0,0,3.001,-11.16,,4.8,0 0,105.9056,2024,11,2,290.7406,91.8478,8.7580,0.10303,2.79453,2.50662,7.38,5.0,0.15 1.039,0.0090,0.0014,110,0.0016,Known errors,1.04,0,-1,-1 20241102_0079-1,60140.68 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:14 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org