IOTA/IOTA-ES occultation update for (697) Galilea / HIP 58372 event on 2023 Mar 21, 06:09 UT Visible from USA Summary ------- On 2023 Mar 21 UT, the 76 km diameter asteroid (697) Galilea will occult a 8.7 mag star in the constellation Virgo for observers along a path across USA. In the case of an occultation, the combined light of the asteroid and the star will drop by 5.54 mag to 14.21 mag (the magnitude of the asteroid) for at most 4.810 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: 2023 Mar 21, 06:04 - 2023 Mar 21, 06:15 * geocentric midpoint of event [JD]: 2460024.75693992 * magnitude of target star: 8.68 * magnitude drop [mag]: 5.54 * estimated maximum duration [s]: 4.810 * Moon: 0 % sunlit, 176° distance * Sun: 172° distance * rough path description: USA The occultation path -------------------- * approximate projected width [km]: 91 * 1 sigma uncertainty interval [path widths]: +/- 0.23 * 1 sigma uncertainty interval [seconds]: +/- 1.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.016, +/- 0.013) * 1 sigma uncertainty ellipse (major, minor, PA): (0.020", 0.003", 129°) * approx speed of asteroid's shadow [km/s]: 15.7902 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 58372 by 697 Galilea on 2023 Mar 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 171 0 0 42 20 34 6 15 37.7 0 80 5 42 45 29 41 55 46 42 56 49 41 44 34 .... 172 0 0 42 28 19 6 15 37.6 1 81 4 42 53 14 42 3 32 43 4 33 41 52 20 -0.48 173 0 0 42 35 54 6 15 37.5 2 82 4 43 0 48 42 11 7 43 12 7 41 59 56 -0.55 174 0 0 42 43 19 6 15 37.3 2 82 3 43 8 12 42 18 33 43 19 31 42 7 22 -0.58 175 0 0 42 50 34 6 15 36.9 3 83 2 43 15 26 42 25 49 43 26 44 42 14 38 -0.59 176 0 0 42 57 39 6 15 36.5 4 84 2 43 22 30 42 32 54 43 33 48 42 21 44 -0.60 177 0 0 43 4 33 6 15 36.1 5 84 1 43 29 24 42 39 50 43 40 41 42 28 40 -0.61 178 0 0 43 11 18 6 15 35.5 5 85 0 43 36 7 42 46 35 43 47 25 42 35 25 -0.61 179 0 0 43 17 52 6 15 34.9 6 86 -1 43 42 41 42 53 10 43 53 58 42 42 0 -0.62 -180 0 0 43 24 15 6 15 34.2 7 86 -1 43 49 4 42 59 34 44 0 20 42 48 25 -0.62 -179 0 0 43 30 29 6 15 33.4 8 87 -2 43 55 16 43 5 48 44 6 33 42 54 40 -0.62 -178 0 0 43 36 32 6 15 32.5 8 88 -3 44 1 19 43 11 52 44 12 35 43 0 44 -0.63 -177 0 0 43 42 24 6 15 31.6 9 88 -4 44 7 10 43 17 45 44 18 26 43 6 37 -0.63 -176 0 0 43 48 6 6 15 30.6 10 89 -4 44 12 52 43 23 28 44 24 7 43 12 20 -0.63 -175 0 0 43 53 38 6 15 29.5 11 90 -5 44 18 23 43 29 0 44 29 38 43 17 53 -0.63 -174 0 0 43 58 59 6 15 28.3 11 91 -6 44 23 43 43 34 22 44 34 58 43 23 14 -0.63 -173 0 0 44 4 9 6 15 27.1 12 91 -6 44 28 53 43 39 33 44 40 7 43 28 26 -0.63 -172 0 0 44 9 9 6 15 25.8 13 92 -7 44 33 52 43 44 33 44 45 6 43 33 27 -0.63 -171 0 0 44 13 58 6 15 24.5 13 93 -8 44 38 41 43 49 23 44 49 55 43 38 17 -0.63 -170 0 0 44 18 37 6 15 23.0 14 93 -8 44 43 19 43 54 2 44 54 32 43 42 56 -0.63 -169 0 0 44 23 5 6 15 21.5 15 94 -9 44 47 46 43 58 30 44 58 59 43 47 25 -0.64 -168 0 0 44 27 22 6 15 19.9 16 95 -10 44 52 3 44 2 48 45 3 16 43 51 43 -0.64 -167 0 0 44 31 28 6 15 18.3 16 96 -11 44 56 9 44 6 55 45 7 22 43 55 50 -0.64 -166 0 0 44 35 24 6 15 16.6 17 96 -11 45 0 4 44 10 51 45 11 17 43 59 46 -0.64 -165 0 0 44 39 9 6 15 14.8 18 97 -12 45 3 48 44 14 37 45 15 1 44 3 32 -0.64 -164 0 0 44 42 44 6 15 13.0 18 98 -13 45 7 22 44 18 12 45 18 35 44 7 7 -0.64 -163 0 0 44 46 7 6 15 11.0 19 99 -13 45 10 45 44 21 36 45 21 57 44 10 31 -0.64 -162 0 0 44 49 20 6 15 9.1 20 99 -14 45 13 58 44 24 49 45 25 10 44 13 44 -0.64 -161 0 0 44 52 22 6 15 7.0 20 100 -15 45 16 59 44 27 51 45 28 11 44 16 47 -0.64 -160 0 0 44 55 13 6 15 4.9 21 101 -15 45 19 50 44 30 43 45 31 2 44 19 39 -0.64 -159 0 0 44 57 53 6 15 2.8 22 102 -16 45 22 30 44 33 23 45 33 42 44 22 19 -0.64 -158 0 0 45 0 23 6 15 0.5 22 102 -17 45 25 0 44 35 53 45 36 11 44 24 49 -0.64 -157 0 0 45 2 42 6 14 58.3 23 103 -17 45 27 18 44 38 12 45 38 29 44 27 9 -0.64 -156 0 0 45 4 50 6 14 55.9 24 104 -18 45 29 26 44 40 20 45 40 37 44 29 17 -0.64 -155 0 0 45 6 47 6 14 53.5 24 105 -19 45 31 23 44 42 18 45 42 34 44 31 14 -0.64 -154 0 0 45 8 33 6 14 51.0 25 105 -19 45 33 9 44 44 4 45 44 20 44 33 1 -0.64 -153 0 0 45 10 9 6 14 48.5 26 106 -20 45 34 44 44 45 40 45 45 55 44 34 37 -0.64 -152 0 0 45 11 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49 59 45 50 14 44 38 55 -0.65 -139 0 0 45 13 32 6 14 7.1 35 118 -28 45 38 8 44 49 3 45 49 19 44 38 0 -0.65 -138 0 0 45 12 26 6 14 3.7 35 119 -29 45 37 2 44 47 57 45 48 13 44 36 53 -0.65 -137 0 0 45 11 9 6 14 0.3 36 120 -30 45 35 45 44 46 39 45 46 56 44 35 36 -0.65 -136 0 0 45 9 41 6 13 56.8 37 121 -30 45 34 18 44 45 12 45 45 29 44 34 8 -0.65 -135 0 0 45 8 3 6 13 53.3 37 122 -31 45 32 40 44 43 33 45 43 51 44 32 29 -0.65 -134 0 0 45 6 14 6 13 49.7 38 123 -31 45 30 51 44 41 44 45 42 2 44 30 40 -0.65 -133 0 0 45 4 14 6 13 46.1 38 124 -32 45 28 52 44 39 44 45 40 3 44 28 39 -0.65 -132 0 0 45 2 4 6 13 42.4 39 125 -32 45 26 42 44 37 33 45 37 53 44 26 29 -0.65 -131 0 0 44 59 43 6 13 38.7 40 126 -33 45 24 21 44 35 12 45 35 33 44 24 7 -0.65 -130 0 0 44 57 11 6 13 34.9 40 127 -34 45 21 50 44 32 40 45 33 2 44 21 35 -0.65 -129 0 0 44 54 29 6 13 31.1 41 128 -34 45 19 8 44 29 57 45 30 21 44 18 52 -0.65 -128 0 0 44 51 36 6 13 27.2 41 129 -35 45 16 16 44 27 4 45 27 28 44 15 59 -0.65 -127 0 0 44 48 33 6 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22 34 -0.65 -114 0 0 43 53 4 6 12 28.2 49 145 -42 44 17 52 43 28 24 44 29 8 43 17 15 -0.65 -113 0 0 43 47 36 6 12 23.7 49 147 -42 44 12 25 43 22 55 44 23 41 43 11 46 -0.65 -112 0 0 43 41 59 6 12 19.1 50 148 -42 44 6 48 43 17 17 44 18 5 43 6 7 -0.65 -111 0 0 43 36 11 6 12 14.5 50 149 -43 44 1 1 43 11 28 44 12 18 43 0 19 -0.65 -110 0 0 43 30 13 6 12 9.8 51 151 -43 43 55 4 43 5 30 44 6 21 42 54 20 -0.65 -109 0 0 43 24 6 6 12 5.1 51 152 -44 43 48 57 42 59 21 44 0 15 42 48 11 -0.65 -108 0 0 43 17 48 6 12 0.4 51 153 -44 43 42 40 42 53 3 43 53 58 42 41 53 -0.65 -107 0 0 43 11 21 6 11 55.6 52 155 -44 43 36 14 42 46 35 43 47 32 42 35 24 -0.65 -106 0 0 43 4 44 6 11 50.8 52 156 -45 43 29 37 42 39 57 43 40 56 42 28 46 -0.65 -105 0 0 42 57 57 6 11 45.9 53 158 -45 43 22 52 42 33 10 43 34 11 42 21 59 -0.65 -104 0 0 42 51 1 6 11 41.1 53 159 -46 43 15 56 42 26 13 43 27 16 42 15 1 -0.65 -103 0 0 42 43 55 6 11 36.2 53 161 -46 43 8 51 42 19 7 43 20 11 42 7 54 -0.65 -102 0 0 42 36 40 6 11 31.2 54 162 -46 43 1 37 42 11 50 43 12 57 42 0 38 -0.65 -101 0 0 42 29 15 6 11 26.2 54 164 -47 42 54 13 42 4 25 43 5 33 41 53 12 -0.65 -100 0 0 42 21 41 6 11 21.2 54 165 -47 42 46 39 41 56 50 42 58 0 41 45 37 -0.65 - 99 0 0 42 13 58 6 11 16.2 55 167 -47 42 38 57 41 49 6 42 50 18 41 37 53 -0.65 - 98 0 0 42 6 5 6 11 11.1 55 169 -47 42 31 5 41 41 13 42 42 27 41 29 59 -0.65 - 97 0 0 41 58 4 6 11 6.0 55 170 -48 42 23 4 41 33 10 42 34 26 41 21 56 -0.65 - 96 0 0 41 49 53 6 11 0.8 55 172 -48 42 14 54 41 24 59 42 26 17 41 13 44 -0.65 - 95 0 0 41 41 33 6 10 55.7 56 174 -48 42 6 35 41 16 39 42 17 58 41 5 24 -0.65 - 94 0 0 41 33 5 6 10 50.5 56 175 -48 41 58 8 41 8 9 42 9 31 40 56 54 -0.65 - 93 0 0 41 24 28 6 10 45.3 56 177 -48 41 49 31 40 59 31 42 0 55 40 48 16 -0.65 - 92 0 0 41 15 42 6 10 40.0 56 179 -49 41 40 46 40 50 45 41 52 10 40 39 29 -0.65 - 91 0 0 41 6 47 6 10 34.8 56 181 -49 41 31 52 40 41 50 41 43 17 40 30 33 -0.65 - 90 0 0 40 57 44 6 10 29.5 56 182 -49 41 22 50 40 32 46 41 34 15 40 21 29 -0.65 - 89 0 0 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26 33 13 52 34 15 57 33 2 28 -0.65 - 50 0 0 33 26 26 6 6 54.7 45 245 -40 33 51 47 33 1 13 34 3 18 32 49 49 -0.65 - 49 0 0 33 13 46 6 6 49.8 44 246 -39 33 39 6 32 48 33 33 50 38 32 37 9 -0.65 - 48 0 0 33 1 4 6 6 44.9 43 247 -39 33 26 25 32 35 51 33 37 56 32 24 28 -0.65 - 47 0 0 32 48 22 6 6 40.0 43 248 -38 33 13 43 32 23 9 33 25 14 32 11 46 -0.65 - 46 0 0 32 35 39 6 6 35.2 42 249 -37 33 1 0 32 10 27 33 12 31 31 59 4 -0.65 - 45 0 0 32 22 56 6 6 30.4 41 250 -37 32 48 16 31 57 44 32 59 47 31 46 21 -0.65 - 44 0 0 32 10 13 6 6 25.7 40 251 -36 32 35 33 31 45 1 32 47 4 31 33 38 -0.65 - 43 0 0 31 57 30 6 6 21.0 40 251 -35 32 22 49 31 32 18 32 34 20 31 20 55 -0.65 - 42 0 0 31 44 47 6 6 16.4 39 252 -35 32 10 6 31 19 35 32 21 37 31 8 13 -0.65 - 41 0 0 31 32 5 6 6 11.9 38 253 -34 31 57 24 31 6 54 32 8 54 30 55 31 -0.65 - 40 0 0 31 19 24 6 6 7.4 38 254 -33 31 44 42 30 54 13 31 56 13 30 42 51 -0.65 - 39 0 0 31 6 44 6 6 3.0 37 255 -33 31 32 2 30 41 33 31 43 32 30 30 11 -0.65 - 38 0 0 30 54 5 6 5 58.7 36 256 -32 31 19 23 30 28 55 31 30 53 30 17 33 -0.65 - 37 0 0 30 41 29 6 5 54.4 35 256 -31 31 6 46 30 16 19 31 18 16 30 4 57 -0.65 - 36 0 0 30 28 54 6 5 50.2 34 257 -31 30 54 11 30 3 44 31 5 40 29 52 23 -0.65 - 35 0 0 30 16 21 6 5 46.1 34 258 -30 30 41 37 29 51 12 30 53 7 29 39 51 -0.65 - 34 0 0 30 3 51 6 5 42.0 33 259 -29 30 29 7 29 38 42 30 40 36 29 27 21 -0.65 - 33 0 0 29 51 23 6 5 38.1 32 259 -28 30 16 39 29 26 15 30 28 8 29 14 54 -0.65 - 32 0 0 29 38 59 6 5 34.2 31 260 -28 30 4 14 29 13 51 30 15 42 29 2 31 -0.65 - 31 0 0 29 26 38 6 5 30.3 31 261 -27 29 51 52 29 1 31 30 3 20 28 50 10 -0.65 - 30 0 0 29 14 20 6 5 26.6 30 262 -26 29 39 34 28 49 13 29 51 2 28 37 53 -0.66 - 29 0 0 29 2 6 6 5 23.0 29 262 -25 29 27 19 28 37 0 29 38 47 28 25 40 -0.66 - 28 0 0 28 49 56 6 5 19.4 28 263 -25 29 15 8 28 24 51 29 26 36 28 13 31 -0.66 - 27 0 0 28 37 50 6 5 15.9 27 263 -24 29 3 2 28 12 45 29 14 30 28 1 26 -0.66 - 26 0 0 28 25 49 6 5 12.6 26 264 -23 28 51 0 28 0 45 29 2 28 27 49 26 -0.66 - 25 0 0 28 13 53 6 5 9.3 26 265 -22 28 39 3 27 48 49 28 50 30 27 37 30 -0.66 - 24 0 0 28 2 1 6 5 6.1 25 265 -21 28 27 12 27 36 59 28 38 38 27 25 40 -0.66 - 23 0 0 27 50 16 6 5 3.0 24 266 -21 28 15 25 27 25 13 28 26 51 27 13 55 -0.66 - 22 0 0 27 38 35 6 5 0.0 23 266 -20 28 3 44 27 13 34 28 15 10 27 2 16 -0.66 - 21 0 0 27 27 1 6 4 57.1 22 267 -19 27 52 9 27 2 0 28 3 34 26 50 42 -0.66 - 20 0 0 27 15 32 6 4 54.3 21 268 -18 27 40 39 26 50 32 27 52 5 26 39 15 -0.66 - 19 0 0 27 4 10 6 4 51.6 20 268 -17 27 29 17 26 39 10 27 40 42 26 27 53 -0.66 - 18 0 0 26 52 54 6 4 49.0 19 269 -16 27 18 0 26 27 56 27 29 25 26 16 39 -0.66 - 17 0 0 26 41 46 6 4 46.6 19 269 -16 27 6 51 26 16 48 27 18 15 26 5 31 -0.66 - 16 0 0 26 30 44 6 4 44.2 18 270 -15 26 55 49 26 5 47 27 7 13 25 54 31 -0.66 - 15 0 0 26 19 50 6 4 41.9 17 270 -14 26 44 54 25 54 53 26 56 18 25 43 38 -0.67 - 14 0 0 26 9 3 6 4 39.8 16 271 -13 26 34 6 25 44 7 26 45 30 25 32 52 -0.67 - 13 0 0 25 58 24 6 4 37.7 15 271 -12 26 23 27 25 33 29 26 34 50 25 22 14 -0.67 - 12 0 0 25 47 54 6 4 35.8 14 272 -11 26 12 55 25 22 59 26 24 18 25 11 44 -0.67 - 11 0 0 25 37 31 6 4 34.0 13 272 -10 26 2 32 25 12 37 26 13 54 25 1 23 -0.67 - 10 0 0 25 27 17 6 4 32.3 12 272 -10 25 52 17 25 2 24 26 3 39 24 51 10 -0.67 - 9 0 0 25 17 12 6 4 30.7 11 273 -9 25 42 11 24 52 20 25 53 33 24 41 6 -0.68 - 8 0 0 25 7 16 6 4 29.2 11 273 -8 25 32 14 24 42 24 25 43 36 24 31 11 -0.68 - 7 0 0 24 57 29 6 4 27.9 10 274 -7 25 22 27 24 32 38 25 33 48 24 21 25 -0.68 - 6 0 0 24 47 51 6 4 26.6 9 274 -6 25 12 48 24 23 1 25 24 9 24 11 48 -0.69 - 5 0 0 24 38 23 6 4 25.5 8 275 -5 25 3 20 24 13 34 25 14 40 24 2 21 -0.69 - 4 0 0 24 29 5 6 4 24.5 7 275 -4 24 54 1 24 4 17 25 5 21 23 53 4 -0.70 - 3 0 0 24 19 57 6 4 23.6 6 275 -3 24 44 52 23 55 9 24 56 12 23 43 58 -0.71 - 2 0 0 24 11 0 6 4 22.9 5 276 -2 24 35 54 23 46 12 24 47 13 23 35 1 -0.72 - 1 0 0 24 2 12 6 4 22.3 4 276 -2 24 27 6 23 37 26 24 38 25 23 26 15 -0.73 0 0 0 23 53 36 6 4 21.8 3 277 -1 24 18 29 23 28 50 24 29 47 23 17 39 -0.76 1 0 0 23 45 10 6 4 21.4 2 277 0 24 10 2 23 20 25 24 21 21 23 9 15 -0.81 2 0 0 23 36 56 6 4 21.2 1 277 1 24 1 47 23 12 11 24 13 5 23 1 1 -0.91 3 0 0 23 28 52 6 4 21.0 0 278 2 23 53 43 23 4 9 24 5 1 22 52 59 -1.50 Uncertainty in time = +/- 2 secs Prediction of 2023 Feb 15.9 Data for the target star ------------------------ * name: HIP 58372 * constellation : Virgo * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 11 58 09.4031 DE: +07 32 46.480 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 11 58 09.4031 DE: +07 32 46.480 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 8.7 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (697) Galilea asteroid class: approx. diameter [km]: 76 approx. diameter ["]: 0.045 distance from Earth [AU]: 2.33020 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#61 date of fit: 2023 Feb 07 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): 0.020", 0.003", 128.878° remarks: * orbital elements for (697)Galilea : Mean anomaly = 191.2802601325 deg Arg. of pericenter = 333.2195692077 deg Long. of node = 15.4138593524 deg Inclination = 15.1229025250 deg Eccentricity = 0.1538642610 Semimajor axis = 2.8829809831 AU Perihelion dist = 2.4393932446 AU Mag: H = 9.50, G = 0.15 Epoch of elements : MJD 60024.25687500 TDT (2023 Mar 21.2569) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#612023Feb07,4.81,2023,3,21,6.166558,0.089935,0.536864,-8.789970,1.472505,0.000049,-0.000779,0.000001,-0.000001 -91.1668,7.4158,89.33,0.15,False HIP 58372,11.96927864,7.5462443,0.00,8.68,0.00,0.0,4,,11.98932358,7.4158149,5.54,0.00,0,0,0 697,Galilea,14.21,76.0,2.3302,0,0,-2.230,5.56,,4.2,0 0,191.2285,2023,3,21,333.2196,15.4139,15.1229,0.15386,2.88298,2.43939,9.51,5.0,0.15 1.227,0.0200,0.0032,129,0.0102,Known errors,-1.00,-1,-1,-1 20230321__58372,59990.87 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Feb 15, 20:51 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org