IOTA/IOTA-ES occultation update for (528) Rezia / UCAC4 299-093104 event on 2024 Sep 07, 06:07 UT Visible from Summary ------- On 2024 Sep 07 UT, the 87.433134897856 km diameter asteroid (528) Rezia will occult a 10.6 mag star in the constellation Scorpius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 4.66 mag to 15.27 mag (the magnitude of the asteroid) for at most 5.110 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 Sep 07, 06:01 - 2024 Sep 07, 06:12 * geocentric midpoint of event [JD]: 2460560.75497659 * magnitude of target star: 10.62 * magnitude drop [mag]: 4.66 * estimated maximum duration [s]: 5.110 * Moon: 15 % sunlit, 41° distance * Sun: 86° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 107 * 1 sigma uncertainty interval [path widths]: +/- 0.18 * 1 sigma uncertainty interval [seconds]: +/- 3.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.020, +/- 0.008) * 1 sigma uncertainty ellipse (major, minor, PA): (0.022", 0.001", 112°) * approx speed of asteroid's shadow [km/s]: 17.1499 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 299-093104 by 528 Rezia on 2024 Sep 7 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 105 0 0 34 7 31 6 2 5.4 0 128 58 33 31 23 .. .. .. 33 18 41 .. .. .. .... 106 0 0 33 29 2 6 2 5.5 1 128 58 32 52 59 34 5 25 32 40 19 34 18 22 -0.26 107 0 0 32 50 30 6 2 5.7 2 129 58 32 14 32 33 26 48 32 1 54 33 39 43 -0.44 108 0 0 32 11 57 6 2 6.2 4 129 58 31 36 4 32 48 9 31 23 27 33 1 2 -0.51 109 0 0 31 33 23 6 2 6.8 5 130 58 30 57 35 32 9 30 30 45 1 32 22 21 -0.55 110 0 0 30 54 51 6 2 7.5 6 130 58 30 19 9 31 30 52 30 6 36 31 43 40 -0.58 111 0 0 30 16 21 6 2 8.4 7 131 58 29 40 45 30 52 16 29 28 15 31 5 2 -0.59 112 0 0 29 37 56 6 2 9.5 8 131 58 29 2 27 30 13 45 28 49 58 30 26 29 -0.61 113 0 0 28 59 37 6 2 10.7 9 132 58 28 24 14 29 35 19 28 11 48 29 48 0 -0.62 114 0 0 28 21 25 6 2 12.1 10 132 57 27 46 9 28 57 0 27 33 45 29 9 39 -0.62 115 0 0 27 43 22 6 2 13.6 11 133 57 27 8 13 28 18 50 26 55 51 28 31 26 -0.63 116 0 0 27 5 29 6 2 15.4 12 133 57 26 30 27 27 40 49 26 18 8 27 53 23 -0.63 117 0 0 26 27 48 6 2 17.3 13 134 56 25 52 53 27 3 1 25 40 37 27 15 32 -0.64 118 0 0 25 50 20 6 2 19.3 14 134 56 25 15 33 26 25 25 25 3 19 26 37 54 -0.64 119 0 0 25 13 7 6 2 21.5 15 135 55 24 38 27 25 48 4 24 26 16 26 0 29 -0.65 120 0 0 24 36 9 6 2 23.9 16 135 55 24 1 37 25 10 58 23 49 29 25 23 21 -0.65 121 0 0 23 59 29 6 2 26.5 18 136 54 23 25 5 24 34 10 23 12 59 24 46 29 -0.65 122 0 0 23 23 7 6 2 29.2 19 136 54 22 48 51 23 57 40 22 36 48 24 9 57 -0.65 123 0 0 22 47 5 6 2 32.0 20 137 53 22 12 57 23 21 29 22 0 57 23 33 43 -0.66 124 0 0 22 11 24 6 2 35.0 21 137 52 21 37 24 22 45 40 21 25 27 22 57 51 -0.66 125 0 0 21 36 5 6 2 38.2 22 138 52 21 2 13 22 10 12 20 50 19 22 22 20 -0.66 126 0 0 21 1 9 6 2 41.5 23 138 51 20 27 26 21 35 8 20 15 34 21 47 13 -0.66 127 0 0 20 26 38 6 2 45.0 24 139 50 19 53 3 21 0 28 19 41 14 21 12 30 -0.66 128 0 0 19 52 32 6 2 48.7 25 139 49 19 19 6 20 26 14 19 7 20 20 38 13 -0.66 129 0 0 19 18 53 6 2 52.4 26 140 49 18 45 35 19 52 27 18 33 52 20 4 22 -0.67 130 0 0 18 45 41 6 2 56.3 27 140 48 18 12 32 19 19 6 18 0 52 19 30 59 -0.67 131 0 0 18 12 58 6 3 0.4 28 141 47 17 39 57 18 46 15 17 28 20 18 58 4 -0.67 132 0 0 17 40 45 6 3 4.6 29 141 46 17 7 52 18 13 53 16 56 18 18 25 39 -0.67 133 0 0 17 9 1 6 3 8.9 30 142 45 16 36 17 17 42 1 16 24 46 17 53 44 -0.67 134 0 0 16 37 49 6 3 13.3 31 143 44 16 5 13 17 10 40 15 53 45 17 22 20 -0.67 135 0 0 16 7 9 6 3 17.9 32 143 43 15 34 41 16 39 51 15 23 15 16 51 29 -0.67 136 0 0 15 37 1 6 3 22.6 33 144 43 15 4 41 16 9 35 14 53 19 16 21 10 -0.67 137 0 0 15 7 27 6 3 27.4 34 144 42 14 35 15 15 39 53 14 23 55 15 51 24 -0.67 138 0 0 14 38 26 6 3 32.3 35 145 41 14 6 22 15 10 44 13 55 6 15 22 13 -0.68 139 0 0 14 10 1 6 3 37.4 36 146 40 13 38 5 14 42 11 13 26 51 14 53 36 -0.68 140 0 0 13 42 11 6 3 42.5 37 146 39 13 10 22 14 14 12 12 59 11 14 25 35 -0.68 141 0 0 13 14 56 6 3 47.8 38 147 38 12 43 15 13 46 50 12 32 7 13 58 10 -0.68 142 0 0 12 48 18 6 3 53.1 39 148 37 12 16 45 13 20 4 12 5 39 13 31 21 -0.68 143 0 0 12 22 17 6 3 58.6 40 148 36 11 50 51 12 53 55 11 39 48 13 5 9 -0.68 144 0 0 11 56 53 6 4 4.1 41 149 35 11 25 34 12 28 24 11 14 33 12 39 35 -0.68 145 0 0 11 32 6 6 4 9.7 41 150 34 11 0 55 12 3 30 10 49 57 12 14 39 -0.68 146 0 0 11 7 58 6 4 15.4 42 151 33 10 36 54 11 39 15 10 25 58 11 50 21 -0.68 147 0 0 10 44 28 6 4 21.2 43 152 32 10 13 31 11 15 38 10 2 37 11 26 42 -0.68 148 0 0 10 21 37 6 4 27.1 44 152 31 9 50 47 10 52 40 9 39 55 11 3 42 -0.68 149 0 0 9 59 25 6 4 33.0 45 153 30 9 28 41 10 30 22 9 17 52 10 41 21 -0.69 150 0 0 9 37 53 6 4 39.0 45 154 29 9 7 15 10 8 43 8 56 29 10 19 39 -0.69 151 0 0 9 17 0 6 4 45.1 46 155 28 8 46 29 9 47 43 8 35 44 9 58 38 -0.69 152 0 0 8 56 47 6 4 51.2 47 156 27 8 26 22 9 27 24 8 15 39 9 38 17 -0.69 153 0 0 8 37 14 6 4 57.4 48 157 26 8 6 55 9 7 46 7 56 15 9 18 36 -0.69 154 0 0 8 18 22 6 5 3.6 48 158 25 7 48 8 8 48 47 7 37 30 8 59 35 -0.69 155 0 0 8 0 10 6 5 9.9 49 159 24 7 30 2 8 30 30 7 19 25 8 41 16 -0.69 156 0 0 7 42 39 6 5 16.3 50 161 23 7 12 36 8 12 53 7 2 1 8 23 37 -0.69 157 0 0 7 25 48 6 5 22.6 50 162 22 6 55 51 7 55 57 6 45 18 8 6 39 -0.69 158 0 0 7 9 39 6 5 29.1 51 163 21 6 39 46 7 39 42 6 29 15 7 50 23 -0.69 159 0 0 6 54 10 6 5 35.5 51 164 20 6 24 22 7 24 9 6 13 53 7 34 48 -0.69 160 0 0 6 39 23 6 5 42.0 52 165 19 6 9 39 7 9 17 5 59 12 7 19 54 -0.69 161 0 0 6 25 16 6 5 48.6 52 167 18 5 55 37 6 55 6 5 45 11 7 5 42 -0.69 162 0 0 6 11 52 6 5 55.1 53 168 16 5 42 17 6 41 37 5 31 52 6 52 11 -0.69 163 0 0 5 59 8 6 6 1.7 53 169 15 5 29 37 6 28 50 5 19 14 6 39 22 -0.69 164 0 0 5 47 6 6 6 8.3 53 171 14 5 17 39 6 16 44 5 7 17 6 27 15 -0.69 165 0 0 5 35 45 6 6 14.9 54 172 13 5 6 22 6 5 20 4 56 1 6 15 49 -0.69 166 0 0 5 25 6 6 6 21.6 54 174 12 4 55 46 5 54 37 4 45 26 6 5 6 -0.70 167 0 0 5 15 9 6 6 28.2 54 175 11 4 45 51 5 44 36 4 35 33 5 55 4 -0.70 168 0 0 5 5 52 6 6 34.9 55 177 10 4 36 38 5 35 17 4 26 21 5 45 43 -0.70 169 0 0 4 57 18 6 6 41.6 55 178 9 4 28 7 5 26 40 4 17 50 5 37 5 -0.70 170 0 0 4 49 25 6 6 48.2 55 180 8 4 20 16 5 18 45 4 10 0 5 29 9 -0.70 171 0 0 4 42 14 6 6 54.9 55 181 7 4 13 7 5 11 31 4 2 52 5 21 55 -0.70 172 0 0 4 35 44 6 7 1.6 55 183 6 4 6 40 5 4 59 3 56 25 5 15 22 -0.70 173 0 0 4 29 56 6 7 8.3 55 184 5 4 0 53 4 59 9 3 50 40 5 9 31 -0.70 174 0 0 4 24 50 6 7 15.0 55 186 4 3 55 49 4 54 1 3 45 36 5 4 23 -0.70 175 0 0 4 20 25 6 7 21.6 55 188 3 3 51 25 4 49 35 3 41 13 4 59 56 -0.70 176 0 0 4 16 42 6 7 28.3 55 189 2 3 47 44 4 45 51 3 37 31 4 56 11 -0.70 177 0 0 4 13 40 6 7 34.9 55 191 1 3 44 43 4 42 48 3 34 31 4 53 8 -0.70 178 0 0 4 11 21 6 7 41.5 55 192 0 3 42 24 4 40 28 3 32 12 4 50 47 -0.70 179 0 0 4 9 42 6 7 48.2 54 194 -1 3 40 46 4 38 49 3 30 35 4 49 8 -0.70 180 0 0 4 8 46 6 7 54.8 54 195 -2 3 39 50 4 37 52 3 29 39 4 48 11 -0.70 -179 0 0 4 8 30 6 8 1.3 54 197 -3 3 39 35 4 37 36 3 29 24 4 47 56 -0.70 -178 0 0 4 8 57 6 8 7.9 54 198 -4 3 40 1 4 38 3 3 29 50 4 48 22 -0.70 -177 0 0 4 10 5 6 8 14.4 53 199 -5 3 41 9 4 39 11 3 30 58 4 49 31 -0.70 -176 0 0 4 11 54 6 8 20.9 53 201 -6 3 42 58 4 41 1 3 32 46 4 51 21 -0.70 -175 0 0 4 14 25 6 8 27.3 52 202 -7 3 45 28 4 43 33 3 35 17 4 53 53 -0.70 -174 0 0 4 17 38 6 8 33.7 52 203 -8 3 48 40 4 46 47 3 38 28 4 57 7 -0.70 -173 0 0 4 21 32 6 8 40.1 52 204 -9 3 52 33 4 50 42 3 42 20 5 1 3 -0.70 -172 0 0 4 26 8 6 8 46.5 51 206 -10 3 57 7 4 55 19 3 46 54 5 5 40 -0.70 -171 0 0 4 31 25 6 8 52.8 51 207 -11 4 2 22 5 0 37 3 52 9 5 10 59 -0.70 -170 0 0 4 37 23 6 8 59.0 50 208 -12 4 8 19 5 6 38 3 58 5 5 17 0 -0.70 -169 0 0 4 44 3 6 9 5.2 49 209 -13 4 14 57 5 13 19 4 4 42 5 23 43 -0.70 -168 0 0 4 51 24 6 9 11.4 49 210 -14 4 22 16 5 20 43 4 12 0 5 31 7 -0.70 -167 0 0 4 59 26 6 9 17.5 48 211 -15 4 30 16 5 28 48 4 19 59 5 39 13 -0.70 -166 0 0 5 8 10 6 9 23.5 47 212 -16 4 38 57 5 37 34 4 28 39 5 48 0 -0.70 -165 0 0 5 17 35 6 9 29.5 47 213 -17 4 48 19 5 47 2 4 38 1 5 57 29 -0.70 -164 0 0 5 27 42 6 9 35.5 46 214 -18 4 58 22 5 57 12 4 48 3 6 7 40 -0.70 -163 0 0 5 38 29 6 9 41.3 45 215 -19 5 9 6 6 8 2 4 58 46 6 18 32 -0.70 -162 0 0 5 49 57 6 9 47.1 45 216 -20 5 20 31 6 19 34 5 10 10 6 30 5 -0.70 -161 0 0 6 2 7 6 9 52.9 44 216 -21 5 32 37 6 31 48 5 22 14 6 42 20 -0.70 -160 0 0 6 14 58 6 9 58.5 43 217 -22 5 45 24 6 44 42 5 34 59 6 55 16 -0.70 -159 0 0 6 28 29 6 10 4.1 42 218 -23 5 58 51 6 58 18 5 48 25 7 8 53 -0.70 -158 0 0 6 42 41 6 10 9.6 42 219 -24 6 12 59 7 12 34 6 2 32 7 23 11 -0.70 -157 0 0 6 57 34 6 10 15.1 41 219 -25 6 27 47 7 27 32 6 17 19 7 38 10 -0.70 -156 0 0 7 13 7 6 10 20.4 40 220 -26 6 43 16 7 43 10 6 32 46 7 53 50 -0.70 -155 0 0 7 29 21 6 10 25.7 39 221 -27 6 59 25 7 59 29 6 48 53 8 10 10 -0.70 -154 0 0 7 46 16 6 10 30.9 38 221 -28 7 16 14 8 16 28 7 5 41 8 27 11 -0.70 -153 0 0 8 3 50 6 10 36.0 37 222 -29 7 33 44 8 34 8 7 23 8 8 44 53 -0.70 -152 0 0 8 22 4 6 10 40.9 36 222 -30 7 51 53 8 52 28 7 41 15 9 3 15 -0.70 -151 0 0 8 40 59 6 10 45.8 35 223 -31 8 10 41 9 11 28 8 0 2 9 22 17 -0.70 -150 0 0 9 0 32 6 10 50.6 34 223 -32 8 30 9 9 31 7 8 19 28 9 41 59 -0.70 -149 0 0 9 20 46 6 10 55.3 34 224 -32 8 50 17 9 51 27 8 39 33 10 2 20 -0.70 -148 0 0 9 41 38 6 10 59.9 33 224 -33 9 11 3 10 12 25 9 0 17 10 23 21 -0.70 -147 0 0 10 3 9 6 11 4.4 32 225 -34 9 32 28 10 34 3 9 21 40 10 45 1 -0.70 -146 0 0 10 25 19 6 11 8.8 31 225 -35 9 54 31 10 56 19 9 43 41 11 7 20 -0.69 -145 0 0 10 48 8 6 11 13.0 30 226 -36 10 17 13 11 19 14 10 6 21 11 30 17 -0.69 -144 0 0 11 11 34 6 11 17.1 29 226 -37 10 40 33 11 42 47 10 29 38 11 53 53 -0.69 -143 0 0 11 35 38 6 11 21.2 28 226 -38 11 4 30 12 6 58 10 53 32 12 18 6 -0.69 -142 0 0 12 0 19 6 11 25.0 27 227 -38 11 29 4 12 31 47 11 18 4 12 42 57 -0.69 -141 0 0 12 25 37 6 11 28.8 26 227 -39 11 54 15 12 57 12 11 43 13 13 8 25 -0.69 -140 0 0 12 51 32 6 11 32.4 25 228 -40 12 20 2 13 23 14 12 8 57 13 34 30 -0.69 -139 0 0 13 18 2 6 11 35.9 24 228 -41 12 46 25 13 49 52 12 35 18 14 1 10 -0.69 -138 0 0 13 45 8 6 11 39.3 23 228 -42 13 13 24 14 17 6 13 2 14 14 28 27 -0.69 -137 0 0 14 12 49 6 11 42.5 22 229 -42 13 40 57 14 44 54 13 29 45 14 56 18 -0.69 -136 0 0 14 41 4 6 11 45.6 21 229 -43 14 9 5 15 13 18 13 57 50 15 24 44 -0.69 -135 0 0 15 9 54 6 11 48.5 19 230 -44 14 37 46 15 42 15 14 26 28 15 53 44 -0.69 -134 0 0 15 39 16 6 11 51.3 18 230 -45 15 7 1 16 11 45 14 55 40 16 23 18 -0.69 -133 0 0 16 9 11 6 11 54.0 17 230 -45 15 36 48 16 41 48 15 25 24 16 53 24 -0.69 -132 0 0 16 39 38 6 11 56.5 16 231 -46 16 7 6 17 12 23 15 55 40 17 24 1 -0.70 -131 0 0 17 10 35 6 11 58.8 15 231 -46 16 37 56 17 43 29 16 26 27 17 55 10 -0.70 -130 0 0 17 42 4 6 12 1.0 14 231 -47 17 9 16 18 15 6 16 57 44 18 26 50 -0.70 -129 0 0 18 14 1 6 12 3.0 13 232 -48 17 41 6 18 47 12 17 29 31 18 58 59 -0.70 -128 0 0 18 46 27 6 12 4.9 12 232 -48 18 13 24 19 19 46 18 1 46 19 31 36 -0.70 -127 0 0 19 19 21 6 12 6.6 11 232 -49 18 46 10 19 52 49 18 34 29 20 4 42 -0.70 -126 0 0 19 52 42 6 12 8.1 10 233 -49 19 19 22 20 26 18 19 7 39 20 38 14 -0.70 -125 0 0 20 26 29 6 12 9.5 9 233 -49 19 53 1 21 0 13 19 41 15 21 12 12 -0.70 -124 0 0 21 0 41 6 12 10.8 8 233 -50 20 27 4 21 34 33 20 15 15 21 46 35 -0.70 -123 0 0 21 35 16 6 12 11.8 6 234 -50 21 1 32 22 9 17 20 49 40 22 21 22 -0.71 -122 0 0 22 10 15 6 12 12.7 5 234 -51 21 36 22 22 44 24 21 24 27 22 56 32 -0.71 -121 0 0 22 45 35 6 12 13.4 4 235 -51 22 11 34 23 19 52 21 59 36 23 32 3 -0.72 -120 0 0 23 21 15 6 12 14.0 3 235 -51 22 47 6 23 55 40 22 35 6 24 7 55 -0.73 -119 0 0 23 57 15 6 12 14.4 2 235 -51 23 22 58 24 31 48 23 10 55 24 44 5 -0.76 -118 0 0 24 33 33 6 12 14.6 1 236 -51 23 59 8 25 8 14 23 47 3 25 20 34 -0.84 -117 0 0 .. .. .... .. .. .. .. .. .. 24 35 35 .. .. .. 24 23 27 .. .. .. .... Uncertainty in time = +/- 3 secs Prediction of 2023 Jul 15.5 Data for the target star ------------------------ * name: UCAC4 299-093104 * constellation : Scorpius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 16 32 56.1737 DE: -30 15 42.812 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 16 32 56.1736 DE: -30 15 42.812 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 10.6 * B mag [mag]: 11.3 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (528) Rezia asteroid class: approx. diameter [km]: 87 approx. diameter ["]: 0.036 distance from Earth [AU]: 3.36240 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#69 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): 0.022", 0.001", 112.175° remarks: * orbital elements for (528)Rezia : Mean anomaly = 228.2736624795 deg Arg. of pericenter = 353.0156943274 deg Long. of node = 49.5062272420 deg Inclination = 12.7049631017 deg Eccentricity = 0.0220588608 Semimajor axis = 3.3977826125 AU Perihelion dist = 3.3228313988 AU Mag: H = 9.05, G = 0.15 Epoch of elements : MJD 60560.25497633 TDT (2024 Sep 07.2550) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#692023Apr24,5.11,2024,9,7,6.119438,0.056315,0.569355,9.633126,-0.950326,0.005722,-0.000904,0.000000,0.000000 170.0163,-30.3155,87.70,5.86,False UCAC4 299-093104,16.54893716,-30.2618922,11.30,10.62,10.25,0.1,0,,16.57487439,-30.3155397,4.67,4.58,0,0,0 528,Rezia,15.27,87.677,3.3624,0,0,1.946,-2.48,,4.2,0 0,228.2335,2024,9,7,353.0157,49.5062,12.7050,0.02206,3.39778,3.32283,9.05,5.0,0.15 1.177,0.0220,0.0010,112,0.0063,Known errors,0.96,0,-1,-1 20240907_093104,60140.55 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 13:06 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org