IOTA/IOTA-ES occultation update for (214) Aschera / UCAC4 353-071052 event on 2024 Jul 31, 04:35 UT Visible from Summary ------- On 2024 Jul 31 UT, the 24.652 km diameter asteroid (214) Aschera will occult a 10.9 mag star in the constellation Libra for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 3.50 mag to 14.36 mag (the magnitude of the asteroid) for at most 1.710 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 Jul 31, 04:31 - 2024 Jul 31, 04:40 * geocentric midpoint of event [JD]: 2460522.69146638 * magnitude of target star: 10.90 * magnitude drop [mag]: 3.50 * estimated maximum duration [s]: 1.710 * Moon: 18 % sunlit, 146° distance * Sun: 95° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 40 * 1 sigma uncertainty interval [path widths]: +/- 0.11 * 1 sigma uncertainty interval [seconds]: +/- 1.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.009, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.009", 0.001", 109°) * approx speed of asteroid's shadow [km/s]: 14.4374 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 353-071052 by 214 Aschera on 2024 Jul 31 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 149 0 0 58 11 11 4 31 13.4 0 130 42 57 57 8 58 25 20 57 54 11 58 28 20 .... 150 0 0 57 44 32 4 31 13.5 1 131 42 57 30 29 57 58 40 57 27 32 58 1 40 -0.66 151 0 0 57 17 35 4 31 13.8 2 132 42 57 3 34 57 31 43 57 0 37 57 34 43 -0.89 152 0 0 56 50 23 4 31 14.1 3 133 42 56 36 22 57 4 29 56 33 25 57 7 29 -1.00 153 0 0 56 22 54 4 31 14.5 3 134 42 56 8 54 56 37 0 56 5 58 56 39 59 -1.06 154 0 0 55 55 11 4 31 15.1 4 134 42 55 41 12 56 9 15 55 38 16 56 12 15 -1.10 155 0 0 55 27 14 4 31 15.8 5 135 41 55 13 17 55 41 17 55 10 20 55 44 16 -1.12 156 0 0 54 59 4 4 31 16.6 5 136 41 54 45 8 55 13 5 54 42 12 55 16 4 -1.14 157 0 0 54 30 42 4 31 17.5 6 137 41 54 16 48 54 44 42 54 13 52 54 47 40 -1.16 158 0 0 54 2 9 4 31 18.6 7 138 41 53 48 16 54 16 7 53 45 21 54 19 5 -1.17 159 0 0 53 33 26 4 31 19.8 8 139 40 53 19 36 53 47 22 53 16 41 53 50 19 -1.18 160 0 0 53 4 34 4 31 21.2 8 139 40 52 50 46 53 18 28 52 47 52 53 21 25 -1.19 161 0 0 52 35 35 4 31 22.7 9 140 40 52 21 49 52 49 27 52 18 55 52 52 24 -1.20 162 0 0 52 6 29 4 31 24.3 10 141 39 51 52 45 52 20 18 51 49 51 52 23 14 -1.20 163 0 0 51 37 16 4 31 26.1 11 142 39 51 23 35 51 51 3 51 20 42 51 53 59 -1.21 164 0 0 51 7 59 4 31 28.0 12 143 39 50 54 20 51 21 44 50 51 28 51 24 38 -1.21 165 0 0 50 38 39 4 31 30.1 12 144 38 50 25 2 50 52 20 50 22 10 50 55 15 -1.22 166 0 0 50 9 16 4 31 32.3 13 144 38 49 55 42 50 22 55 49 52 51 50 25 49 -1.22 167 0 0 49 39 52 4 31 34.7 14 145 37 49 26 21 49 53 28 49 23 30 49 56 21 -1.23 168 0 0 49 10 28 4 31 37.2 15 146 37 48 57 0 49 24 1 48 54 10 49 26 53 -1.23 169 0 0 48 41 5 4 31 39.9 15 147 36 48 27 40 48 54 35 48 24 50 48 57 27 -1.23 170 0 0 48 11 44 4 31 42.8 16 148 36 47 58 22 48 25 11 47 55 33 48 28 2 -1.23 171 0 0 47 42 27 4 31 45.7 17 149 35 47 29 8 47 55 50 47 26 20 47 58 41 -1.24 172 0 0 47 13 14 4 31 48.9 18 149 35 46 59 58 47 26 34 46 57 10 47 29 24 -1.24 173 0 0 46 44 6 4 31 52.2 18 150 34 46 30 54 46 57 24 46 28 7 47 0 13 -1.24 174 0 0 46 15 6 4 31 55.7 19 151 33 46 1 57 46 28 20 45 59 11 46 31 8 -1.24 175 0 0 45 46 14 4 31 59.3 20 152 33 45 33 8 45 59 24 45 30 22 46 2 12 -1.25 176 0 0 45 17 30 4 32 3.0 21 153 32 45 4 28 45 30 38 45 1 43 45 33 24 -1.25 177 0 0 44 48 57 4 32 6.9 22 154 31 44 35 58 45 2 1 44 33 14 45 4 47 -1.25 178 0 0 44 20 35 4 32 11.0 22 155 31 44 7 40 44 33 36 44 4 56 44 36 21 -1.25 179 0 0 43 52 26 4 32 15.2 23 156 30 43 39 34 44 5 23 43 36 51 44 8 7 -1.25 -180 0 0 43 24 30 4 32 19.5 24 157 29 43 11 41 43 37 23 43 8 59 43 40 7 -1.25 -179 0 0 42 56 49 4 32 24.0 24 157 29 42 44 3 43 9 38 42 41 22 43 12 22 -1.26 -178 0 0 42 29 23 4 32 28.7 25 158 28 42 16 40 42 42 9 42 14 0 42 44 51 -1.26 -177 0 0 42 2 13 4 32 33.4 26 159 27 41 49 34 42 14 56 41 46 55 42 17 38 -1.26 -176 0 0 41 35 21 4 32 38.3 26 160 26 41 22 46 41 48 1 41 20 7 41 50 42 -1.26 -175 0 0 41 8 48 4 32 43.4 27 161 25 40 56 16 41 21 24 40 53 37 41 24 4 -1.26 -174 0 0 40 42 33 4 32 48.5 28 162 25 40 30 5 40 55 6 40 27 27 40 57 46 -1.26 -173 0 0 40 16 40 4 32 53.8 28 163 24 40 4 14 40 29 9 40 1 37 40 31 48 -1.27 -172 0 0 39 51 7 4 32 59.2 29 164 23 39 38 45 40 3 33 39 36 9 40 6 11 -1.27 -171 0 0 39 25 56 4 33 4.8 30 165 22 39 13 38 39 38 19 39 11 2 39 40 56 -1.27 -170 0 0 39 1 9 4 33 10.4 30 166 21 38 48 53 39 13 28 38 46 19 39 16 4 -1.27 -169 0 0 38 36 45 4 33 16.1 31 167 21 38 24 32 38 49 0 38 21 58 38 51 36 -1.27 -168 0 0 38 12 45 4 33 22.0 31 168 20 38 0 36 38 24 58 37 58 3 38 27 33 -1.27 -167 0 0 37 49 11 4 33 27.9 32 169 19 37 37 5 38 1 20 37 34 32 38 3 54 -1.27 -166 0 0 37 26 2 4 33 34.0 32 171 18 37 14 0 37 38 8 37 11 27 37 40 42 -1.27 -165 0 0 37 3 20 4 33 40.1 33 172 17 36 51 21 37 15 23 36 48 49 37 17 57 -1.28 -164 0 0 36 41 6 4 33 46.4 33 173 16 36 29 9 36 53 6 36 26 38 36 55 38 -1.28 -163 0 0 36 19 19 4 33 52.7 34 174 15 36 7 26 36 31 16 36 4 55 36 33 48 -1.28 -162 0 0 35 58 1 4 33 59.1 34 175 15 35 46 11 36 9 55 35 43 41 36 12 27 -1.28 -161 0 0 35 37 13 4 34 5.5 35 176 14 35 25 25 35 49 4 35 22 56 35 51 34 -1.28 -160 0 0 35 16 53 4 34 12.0 35 177 13 35 5 8 35 28 42 35 2 40 35 31 12 -1.28 -159 0 0 34 57 5 4 34 18.6 36 179 12 34 45 22 35 8 50 34 42 54 35 11 20 -1.28 -158 0 0 34 37 47 4 34 25.3 36 180 11 34 26 7 34 49 30 34 23 39 34 51 59 -1.28 -157 0 0 34 19 0 4 34 32.0 36 181 10 34 7 23 34 30 40 34 4 56 34 33 9 -1.28 -156 0 0 34 0 45 4 34 38.7 36 182 9 33 49 10 34 12 23 33 46 44 34 14 50 -1.29 -155 0 0 33 43 2 4 34 45.5 37 183 8 33 31 30 33 54 37 33 29 4 33 57 5 -1.29 -154 0 0 33 25 52 4 34 52.3 37 185 7 33 14 22 33 37 25 33 11 57 33 39 51 -1.29 -153 0 0 33 9 14 4 34 59.2 37 186 6 32 57 47 33 20 45 32 55 22 33 23 11 -1.29 -152 0 0 32 53 11 4 35 6.1 37 187 6 32 41 45 33 4 39 32 39 21 33 7 5 -1.29 -151 0 0 32 37 41 4 35 13.0 37 188 5 32 26 17 32 49 7 32 23 53 32 51 32 -1.29 -150 0 0 32 22 45 4 35 19.9 38 190 4 32 11 23 32 34 9 32 9 0 32 36 34 -1.29 -149 0 0 32 8 23 4 35 26.9 38 191 3 31 57 4 32 19 45 31 54 41 32 22 9 -1.29 -148 0 0 31 54 36 4 35 33.8 38 192 2 31 43 19 32 5 56 31 40 56 32 8 20 -1.29 -147 0 0 31 41 24 4 35 40.8 38 193 1 31 30 8 31 52 42 31 27 46 31 55 6 -1.29 -146 0 0 31 28 47 4 35 47.8 38 194 0 31 17 33 31 40 3 31 15 12 31 42 27 -1.29 -145 0 0 31 16 45 4 35 54.7 38 196 -1 31 5 34 31 28 0 31 3 12 31 30 23 -1.29 -144 0 0 31 5 20 4 36 1.6 38 197 -2 30 54 9 31 16 33 30 51 48 31 18 55 -1.30 -143 0 0 30 54 30 4 36 8.6 37 198 -3 30 43 21 31 5 41 30 41 0 31 8 3 -1.30 -142 0 0 30 44 16 4 36 15.5 37 199 -3 30 33 8 30 55 26 30 30 48 30 57 48 -1.30 -141 0 0 30 34 38 4 36 22.3 37 201 -4 30 23 32 30 45 47 30 21 12 30 48 8 -1.30 -140 0 0 30 25 37 4 36 29.2 37 202 -5 30 14 32 30 36 44 30 12 12 30 39 5 -1.30 -139 0 0 30 17 12 4 36 36.0 37 203 -6 30 6 8 30 28 18 30 3 49 30 30 39 -1.30 -138 0 0 30 9 23 4 36 42.8 37 204 -7 29 58 21 30 20 28 29 56 2 30 22 49 -1.30 -137 0 0 30 2 12 4 36 49.5 36 205 -8 29 51 11 30 13 16 29 48 51 30 15 36 -1.30 -136 0 0 29 55 37 4 36 56.2 36 206 -9 29 44 37 30 6 40 29 42 18 30 9 0 -1.30 -135 0 0 29 49 39 4 37 2.8 36 207 -9 29 38 40 30 0 41 29 36 21 30 3 1 -1.30 -134 0 0 29 44 18 4 37 9.4 35 209 -10 29 33 20 29 55 19 29 31 1 29 57 40 -1.30 -133 0 0 29 39 34 4 37 15.9 35 210 -11 29 28 37 29 50 35 29 26 18 29 52 55 -1.30 -132 0 0 29 35 28 4 37 22.4 35 211 -12 29 24 30 29 46 27 29 22 12 29 48 47 -1.30 -131 0 0 29 31 58 4 37 28.8 34 212 -13 29 21 1 29 42 57 29 18 43 29 45 17 -1.30 -130 0 0 29 29 5 4 37 35.1 34 213 -14 29 18 9 29 40 4 29 15 51 29 42 24 -1.30 -129 0 0 29 26 50 4 37 41.3 33 214 -14 29 15 54 29 37 48 29 13 36 29 40 8 -1.30 -128 0 0 29 25 11 4 37 47.5 33 215 -15 29 14 16 29 36 10 29 11 58 29 38 29 -1.30 -127 0 0 29 24 10 4 37 53.5 32 216 -16 29 13 15 29 35 8 29 10 57 29 37 27 -1.30 -126 0 0 29 23 46 4 37 59.5 32 217 -17 29 12 51 29 34 44 29 10 33 29 37 3 -1.30 -125 0 0 29 23 59 4 38 5.4 31 218 -17 29 13 4 29 34 57 29 10 46 29 37 16 -1.30 -124 0 0 29 24 49 4 38 11.2 31 219 -18 29 13 54 29 35 46 29 11 36 29 38 6 -1.30 -123 0 0 29 26 16 4 38 16.9 30 220 -19 29 15 20 29 37 13 29 13 2 29 39 33 -1.30 -122 0 0 29 28 19 4 38 22.5 30 220 -20 29 17 24 29 39 17 29 15 6 29 41 37 -1.30 -121 0 0 29 31 0 4 38 28.0 29 221 -20 29 20 4 29 41 58 29 17 46 29 44 17 -1.30 -120 0 0 29 34 17 4 38 33.4 28 222 -21 29 23 21 29 45 16 29 21 3 29 47 35 -1.30 -119 0 0 29 38 11 4 38 38.6 28 223 -22 29 27 14 29 49 10 29 24 56 29 51 29 -1.30 -118 0 0 29 42 41 4 38 43.8 27 224 -22 29 31 44 29 53 41 29 29 26 29 56 0 -1.30 -117 0 0 29 47 48 4 38 48.8 26 225 -23 29 36 50 29 58 48 29 34 32 30 1 8 -1.30 -116 0 0 29 53 31 4 38 53.7 26 225 -24 29 42 33 30 4 32 29 40 14 30 6 52 -1.30 -115 0 0 29 59 50 4 38 58.5 25 226 -24 29 48 51 30 10 51 29 46 32 30 13 12 -1.30 -114 0 0 30 6 45 4 39 3.2 24 227 -25 29 55 45 30 17 48 29 53 26 30 20 8 -1.30 -113 0 0 30 14 16 4 39 7.7 23 228 -25 30 3 15 30 25 19 30 0 56 30 27 40 -1.30 -112 0 0 30 22 22 4 39 12.1 23 228 -26 30 11 21 30 33 27 30 9 1 30 35 48 -1.30 -111 0 0 30 31 4 4 39 16.4 22 229 -26 30 20 2 30 42 10 30 17 42 30 44 31 -1.30 -110 0 0 30 40 21 4 39 20.5 21 230 -27 30 29 18 30 51 28 30 26 58 30 53 49 -1.30 -109 0 0 30 50 14 4 39 24.5 20 230 -27 30 39 9 31 1 22 30 36 48 31 3 43 -1.30 -108 0 0 31 0 41 4 39 28.3 20 231 -28 30 49 34 31 11 50 30 47 14 31 14 12 -1.31 -107 0 0 31 11 42 4 39 32.0 19 232 -28 31 0 35 31 22 53 30 58 14 31 25 15 -1.31 -106 0 0 31 23 18 4 39 35.5 18 232 -29 31 12 9 31 34 31 31 9 48 31 36 53 -1.31 -105 0 0 31 35 28 4 39 38.9 17 233 -29 31 24 17 31 46 42 31 21 56 31 49 5 -1.31 -104 0 0 31 48 12 4 39 42.1 16 234 -30 31 37 0 31 59 28 31 34 38 32 1 51 -1.31 -103 0 0 32 1 30 4 39 45.2 16 234 -30 31 50 15 32 12 47 31 47 53 32 15 10 -1.31 -102 0 0 32 15 20 4 39 48.1 15 235 -30 32 4 4 32 26 39 32 1 42 32 29 3 -1.31 -101 0 0 32 29 44 4 39 50.9 14 236 -31 32 18 26 32 41 4 32 16 3 32 43 29 -1.31 -100 0 0 32 44 40 4 39 53.5 13 236 -31 32 33 20 32 56 2 32 30 57 32 58 27 -1.31 - 99 0 0 33 0 8 4 39 55.9 12 237 -31 32 48 46 33 11 32 32 46 22 33 13 57 -1.31 - 98 0 0 33 16 7 4 39 58.2 11 237 -31 33 4 44 33 27 34 33 2 20 33 30 0 -1.31 - 97 0 0 33 32 39 4 40 0.3 10 238 -32 33 21 13 33 44 8 33 18 48 33 46 34 -1.32 - 96 0 0 33 49 41 4 40 2.2 10 239 -32 33 38 13 34 1 12 33 35 48 34 3 39 -1.32 - 95 0 0 34 7 14 4 40 4.0 9 239 -32 33 55 44 34 18 48 33 53 18 34 21 15 -1.32 - 94 0 0 34 25 17 4 40 5.6 8 240 -32 34 13 44 34 36 53 34 11 18 34 39 21 -1.33 - 93 0 0 34 43 50 4 40 7.1 7 240 -32 34 32 15 34 55 28 34 29 48 34 57 56 -1.33 - 92 0 0 35 2 52 4 40 8.3 6 241 -32 34 51 14 35 14 33 34 48 47 35 17 1 -1.34 - 91 0 0 35 22 23 4 40 9.4 5 241 -32 35 10 43 35 34 6 35 8 15 35 36 35 -1.35 - 90 0 0 35 42 22 4 40 10.3 4 242 -33 35 30 39 35 54 8 35 28 11 35 56 38 -1.36 - 89 0 0 36 2 49 4 40 11.1 4 243 -33 35 51 3 36 14 37 35 48 35 36 17 8 -1.38 - 88 0 0 36 23 43 4 40 11.7 3 243 -33 36 11 55 36 35 34 36 9 25 36 38 5 -1.41 - 87 0 0 36 45 3 4 40 12.1 2 244 -33 36 33 12 36 56 58 36 30 43 36 59 29 -1.48 - 86 0 0 37 6 50 4 40 12.3 1 244 -32 36 54 56 37 18 47 36 52 26 37 21 19 -1.67 - 85 0 0 .. .. .... .. .. .. .. .. .. 37 17 5 .. .. .. 37 14 34 .. .. .. .... Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.2 Data for the target star ------------------------ * name: UCAC4 353-071052 * constellation : Libra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 14 39 10.0577 DE: -19 32 43.840 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 14 39 10.0575 DE: -19 32 43.839 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.9 * B mag [mag]: 11.1 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (214) Aschera asteroid class: approx. diameter [km]: 25 approx. diameter ["]: 0.014 distance from Earth [AU]: 2.36520 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#58 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): 0.009", 0.001", 109.408° remarks: * orbital elements for (214)Aschera : Mean anomaly = 124.5845218738 deg Arg. of pericenter = 136.5249651584 deg Long. of node = 341.9159067724 deg Inclination = 3.4364535914 deg Eccentricity = 0.0307878018 Semimajor axis = 2.6116638240 AU Perihelion dist = 2.5312564358 AU Mag: H = 9.30, G = 0.51 Epoch of elements : MJD 60522.19146638 TDT (2024 Jul 31.1915) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#582023Apr24,1.71,2024,7,31,4.595193,0.167887,0.772046,7.963735,-1.727125,0.005264,-0.001650,0.000000,0.000000 -158.0887,-19.6523,112.68,18.14,False UCAC4 353-071052,14.65279382,-19.5455112,11.14,10.90,10.77,0.0,0,,14.67582412,-19.6523139,3.50,3.19,0,0,0 214,Aschera,14.36,24.652,2.3652,0,0,2.097,-6.43,,1.2,0 0,124.5398,2024,7,31,136.5250,341.9159,3.4365,0.03079,2.61166,2.53126,9.29,5.0,0.15 1.106,0.0093,0.0010,109,0.0015,Known errors,0.99,0,-1,-1 20240731_071052,60140.23 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 05:24 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org