IOTA/IOTA-ES occultation update for (1224) Fantasia / UCAC4 338-072874 event on 2024 Jan 23, 12:57 UT Visible from Summary ------- On 2024 Jan 23 UT, the 13.8611988647916 km diameter asteroid (1224) Fantasia will occult a 11.1 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 5.97 mag to 17.08 mag (the magnitude of the asteroid) for at most 0.640 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: 87 * date and approx. time of event: 2024 Jan 23, 12:53 - 2024 Jan 23, 13:00 * geocentric midpoint of event [JD]: 2460333.03986500 * magnitude of target star: 11.11 * magnitude drop [mag]: 5.97 * estimated maximum duration [s]: 0.640 * Moon: 95 % sunlit, 128° distance * Sun: 77° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 20 * 1 sigma uncertainty interval [path widths]: +/- 0.57 * 1 sigma uncertainty interval [seconds]: +/- 0.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.009, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.009", 0.004", 101°) * approx speed of asteroid's shadow [km/s]: 21.8702 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 338-072874 by 1224 Fantasia on 2024 Jan 23 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 -142 0 1 58 6 28 12 54 2.9 0 137 -38 57 58 32 58 14 26 57 49 26 58 23 39 .... -141 0 1 57 32 27 12 54 2.9 1 138 -38 57 24 30 57 40 25 57 15 23 57 49 38 -0.41 -140 0 1 56 57 50 12 54 3.0 2 139 -37 56 49 53 57 5 49 56 40 47 57 15 2 -0.67 -139 0 1 56 22 40 12 54 3.3 3 139 -37 56 14 43 56 30 39 56 5 36 56 39 52 -0.78 -138 0 0 55 46 57 12 54 3.6 3 140 -37 55 39 0 55 54 56 55 29 54 56 4 9 -0.84 -137 0 0 55 10 43 12 54 4.0 4 141 -36 55 2 46 55 18 41 54 53 40 55 27 54 -0.87 -136 0 0 54 33 58 12 54 4.5 5 142 -36 54 26 1 54 41 56 54 16 55 54 51 8 -0.90 -135 0 0 53 56 43 12 54 5.1 6 143 -36 53 48 48 54 4 41 53 39 42 54 13 52 -0.92 -134 0 0 53 19 1 12 54 5.8 7 143 -35 53 11 6 53 26 58 53 2 2 53 36 8 -0.93 -133 0 0 52 40 53 12 54 6.6 8 144 -35 52 32 59 52 48 49 52 23 55 52 57 58 -0.94 -132 0 0 52 2 20 12 54 7.5 9 145 -34 51 54 27 52 10 14 51 45 25 52 19 23 -0.95 -131 0 0 51 23 24 12 54 8.5 9 146 -34 51 15 32 51 31 17 51 6 31 51 40 24 -0.96 -130 0 0 50 44 6 12 54 9.6 10 147 -33 50 36 15 50 51 58 50 27 16 51 1 3 -0.96 -129 0 0 50 4 28 12 54 10.9 11 148 -33 49 56 39 50 12 19 49 47 41 50 21 22 -0.97 -128 0 0 49 24 33 12 54 12.3 12 148 -32 49 16 45 49 32 22 49 7 49 49 41 24 -0.97 -127 0 0 48 44 21 12 54 13.8 13 149 -32 48 36 35 48 52 9 48 27 41 49 1 8 -0.98 -126 0 0 48 3 56 12 54 15.4 14 150 -31 47 56 12 48 11 41 47 47 19 48 20 39 -0.98 -125 0 0 47 23 18 12 54 17.2 15 151 -31 47 15 36 47 31 1 47 6 46 47 39 57 -0.98 -124 0 0 46 42 29 12 54 19.0 16 152 -30 46 34 49 46 50 11 46 26 2 46 59 4 -0.98 -123 0 0 46 1 33 12 54 21.0 17 152 -29 45 53 55 46 9 12 45 45 9 46 18 3 -0.99 -122 0 0 45 20 30 12 54 23.2 18 153 -29 45 12 54 45 28 7 45 4 11 45 36 55 -0.99 -121 0 0 44 39 22 12 54 25.4 19 154 -28 44 31 49 44 46 57 44 23 9 44 55 43 -0.99 -120 0 0 43 58 13 12 54 27.8 20 155 -27 43 50 42 44 5 45 43 42 4 44 14 28 -0.99 -119 0 0 43 17 3 12 54 30.3 21 156 -26 43 9 34 43 24 33 43 1 0 43 33 13 -1.00 -118 0 0 42 35 55 12 54 33.0 21 157 -26 42 28 29 42 43 22 42 19 57 42 51 59 -1.00 -117 0 0 41 54 50 12 54 35.8 22 157 -25 41 47 27 42 2 15 41 38 58 42 10 49 -1.00 -116 0 0 41 13 52 12 54 38.6 23 158 -24 41 6 31 41 21 14 40 58 5 41 29 45 -1.00 -115 0 0 40 33 1 12 54 41.7 24 159 -23 40 25 42 40 40 20 40 17 19 40 48 48 -1.00 -114 0 0 39 52 19 12 54 44.8 25 160 -22 39 45 3 39 59 36 39 36 43 40 8 1 -1.00 -113 0 0 39 11 49 12 54 48.1 26 161 -21 39 4 36 39 19 3 38 56 19 39 27 25 -1.01 -112 0 0 38 31 32 12 54 51.5 27 162 -21 38 24 21 38 38 43 38 16 8 38 47 2 -1.01 -111 0 0 37 51 30 12 54 55.0 28 163 -20 37 44 22 37 58 39 37 36 12 38 6 54 -1.01 -110 0 0 37 11 45 12 54 58.6 29 164 -19 37 4 40 37 18 51 36 56 32 37 27 2 -1.01 -109 0 0 36 32 18 12 55 2.3 29 165 -18 36 25 16 36 39 21 36 17 11 36 47 30 -1.01 -108 0 0 35 53 11 12 55 6.1 30 166 -17 35 46 12 36 0 12 35 38 11 36 8 17 -1.01 -107 0 0 35 14 26 12 55 10.0 31 167 -16 35 7 29 35 21 24 34 59 31 35 29 26 -1.01 -106 0 0 34 36 4 12 55 14.1 32 168 -15 34 29 10 34 42 59 34 21 15 34 50 58 -1.01 -105 0 0 33 58 7 12 55 18.2 33 169 -14 33 51 16 34 4 59 33 43 24 34 12 55 -1.02 -104 0 0 33 20 36 12 55 22.4 34 170 -13 33 13 48 33 27 26 33 5 59 33 35 18 -1.02 -103 0 0 32 43 33 12 55 26.7 34 171 -12 32 36 47 32 50 19 32 29 1 32 58 9 -1.02 -102 0 0 32 6 58 12 55 31.1 35 172 -11 32 0 15 32 13 42 31 52 32 32 21 28 -1.02 -101 0 0 31 30 53 12 55 35.6 36 173 -10 31 24 13 31 37 35 31 16 33 31 45 18 -1.02 -100 0 0 30 55 20 12 55 40.2 36 174 -9 30 48 42 31 1 58 30 41 5 31 9 38 -1.02 - 99 0 0 30 20 19 12 55 44.8 37 175 -8 30 13 43 30 26 55 30 6 10 30 34 32 -1.02 - 98 0 0 29 45 51 12 55 49.5 38 176 -7 29 39 18 29 52 24 29 31 48 29 59 58 -1.02 - 97 0 0 29 11 58 12 55 54.2 38 177 -6 29 5 28 29 18 29 28 58 0 29 26 0 -1.02 - 96 0 0 28 38 40 12 55 59.0 39 179 -5 28 32 12 28 45 8 28 24 47 28 52 36 -1.03 - 95 0 0 28 5 58 12 56 3.9 39 180 -4 27 59 33 28 12 24 27 52 11 28 19 50 -1.03 - 94 0 0 27 33 54 12 56 8.8 40 181 -3 27 27 31 27 40 17 27 20 12 27 47 40 -1.03 - 93 0 0 27 2 27 12 56 13.8 41 182 -2 26 56 7 27 8 49 26 48 50 27 16 8 -1.03 - 92 0 0 26 31 40 12 56 18.8 41 183 -1 26 25 22 26 37 59 26 18 8 26 45 16 -1.03 - 91 0 0 26 1 31 12 56 23.8 41 185 0 25 55 15 26 7 48 25 48 4 26 15 2 -1.03 - 90 0 0 25 32 3 12 56 28.9 42 186 1 25 25 49 25 38 17 25 18 40 25 45 29 -1.03 - 89 0 0 25 3 15 12 56 34.0 42 187 2 24 57 4 25 9 27 24 49 57 25 16 37 -1.03 - 88 0 0 24 35 9 12 56 39.2 43 189 3 24 28 59 24 41 19 24 21 55 24 48 26 -1.03 - 87 0 0 24 7 44 12 56 44.3 43 190 4 24 1 37 24 13 52 23 54 35 24 20 56 -1.03 - 86 0 0 23 41 1 12 56 49.5 43 191 5 23 34 56 23 47 7 23 27 57 23 54 9 -1.03 - 85 0 0 23 15 1 12 56 54.7 43 193 6 23 8 58 23 21 5 23 2 1 23 28 5 -1.04 - 84 0 0 22 49 45 12 56 59.9 43 194 7 22 43 43 22 55 47 22 36 48 23 2 44 -1.04 - 83 0 0 22 25 11 12 57 5.1 44 195 9 22 19 11 22 31 11 22 12 18 22 38 7 -1.04 - 82 0 0 22 1 21 12 57 10.3 44 197 10 21 55 23 22 7 20 21 48 33 22 14 13 -1.04 - 81 0 0 21 38 16 12 57 15.5 44 198 11 21 32 20 21 44 12 21 25 31 21 51 4 -1.04 - 80 0 0 21 15 54 12 57 20.7 44 200 12 21 10 0 21 21 49 21 3 13 21 28 39 -1.04 - 79 0 0 20 54 17 12 57 25.9 44 201 13 20 48 25 21 0 11 20 41 40 21 6 58 -1.04 - 78 0 0 20 33 25 12 57 31.0 44 202 14 20 27 34 20 39 17 20 20 51 20 46 3 -1.04 - 77 0 0 20 13 19 12 57 36.2 44 204 15 20 7 29 20 19 9 20 0 47 20 25 53 -1.04 - 76 0 0 19 53 57 12 57 41.3 44 205 16 19 48 8 19 59 46 19 41 29 20 6 28 -1.04 - 75 0 0 19 35 20 12 57 46.4 44 206 17 19 29 33 19 41 8 19 22 55 19 47 48 -1.04 - 74 0 0 19 17 29 12 57 51.5 43 207 18 19 11 44 19 23 15 19 5 7 19 29 54 -1.04 - 73 0 0 19 0 23 12 57 56.6 43 209 19 18 54 39 19 6 8 18 48 4 19 12 46 -1.04 - 72 0 0 18 44 3 12 58 1.6 43 210 20 18 38 21 18 49 47 18 31 47 18 56 23 -1.04 - 71 0 0 18 28 29 12 58 6.6 43 211 21 18 22 48 18 34 12 18 16 15 18 40 47 -1.04 - 70 0 0 18 13 41 12 58 11.6 42 212 21 18 8 1 18 19 23 18 1 29 18 25 56 -1.04 - 69 0 0 17 59 39 12 58 16.5 42 213 22 17 53 59 18 5 19 17 47 29 18 11 51 -1.04 - 68 0 0 17 46 22 12 58 21.4 42 215 23 17 40 44 17 52 1 17 34 15 17 58 33 -1.05 - 67 0 0 17 33 51 12 58 26.2 41 216 24 17 28 14 17 39 30 17 21 46 17 46 0 -1.05 - 66 0 0 17 22 7 12 58 31.0 41 217 25 17 16 30 17 27 44 17 10 3 17 34 13 -1.05 - 65 0 0 17 11 8 12 58 35.8 40 218 26 17 5 32 17 16 44 16 59 6 17 23 12 -1.05 - 64 0 0 17 0 55 12 58 40.4 40 219 27 16 55 20 17 6 31 16 48 55 17 12 58 -1.05 - 63 0 0 16 51 28 12 58 45.1 39 220 28 16 45 54 16 57 3 16 39 29 17 3 29 -1.05 - 62 0 0 16 42 47 12 58 49.7 39 221 29 16 37 13 16 48 21 16 30 50 16 54 47 -1.05 - 61 0 0 16 34 52 12 58 54.2 38 222 30 16 29 19 16 40 26 16 22 56 16 46 51 -1.05 - 60 0 0 16 27 44 12 58 58.6 38 223 31 16 22 11 16 33 17 16 15 49 16 39 41 -1.05 - 59 0 0 16 21 20 12 59 3.0 37 224 31 16 15 48 16 26 53 16 9 27 16 33 17 -1.05 - 58 0 0 16 15 43 12 59 7.4 37 225 32 16 10 11 16 21 15 16 3 50 16 27 38 -1.05 - 57 0 0 16 10 51 12 59 11.6 36 225 33 16 5 20 16 16 23 15 58 59 16 22 46 -1.05 - 56 0 0 16 6 46 12 59 15.8 35 226 34 16 1 15 16 12 17 15 54 55 16 18 39 -1.05 - 55 0 0 16 3 26 12 59 19.9 35 227 35 15 57 55 16 8 57 15 51 35 16 15 19 -1.05 - 54 0 0 16 0 52 12 59 24.0 34 228 36 15 55 21 16 6 23 15 49 2 16 12 44 -1.05 - 53 0 0 15 59 3 12 59 28.0 33 228 36 15 53 33 16 4 34 15 47 14 16 10 56 -1.05 - 52 0 0 15 58 1 12 59 31.9 33 229 37 15 52 30 16 3 31 15 46 11 16 9 53 -1.05 - 51 0 0 15 57 43 12 59 35.7 32 230 38 15 52 13 16 3 14 15 45 54 16 9 35 -1.05 - 50 0 0 15 58 12 12 59 39.4 31 230 39 15 52 42 16 3 43 15 46 23 16 10 4 -1.05 - 49 0 0 15 59 26 12 59 43.1 30 231 39 15 53 56 16 4 57 15 47 36 16 11 18 -1.05 - 48 0 0 16 1 25 12 59 46.6 29 232 40 15 55 55 16 6 56 15 49 36 16 13 17 -1.05 - 47 0 0 16 4 10 12 59 50.1 29 232 41 15 58 40 16 9 41 15 52 20 16 16 3 -1.05 - 46 0 0 16 7 40 12 59 53.5 28 233 41 16 2 10 16 13 11 15 55 50 16 19 33 -1.05 - 45 0 0 16 11 56 12 59 56.8 27 233 42 16 6 25 16 17 27 16 0 5 16 23 49 -1.05 - 44 0 0 16 16 57 13 0 0.1 26 234 42 16 11 26 16 22 29 16 5 5 16 28 51 -1.05 - 43 0 0 16 22 43 13 0 3.2 25 235 43 16 17 11 16 28 15 16 10 50 16 34 38 -1.05 - 42 0 0 16 29 14 13 0 6.2 25 235 44 16 23 42 16 34 47 16 17 21 16 41 10 -1.05 - 41 0 0 16 36 30 13 0 9.1 24 235 44 16 30 58 16 42 3 16 24 36 16 48 27 -1.05 - 40 0 0 16 44 32 13 0 12.0 23 236 45 16 38 59 16 50 5 16 32 36 16 56 30 -1.05 - 39 0 0 16 53 18 13 0 14.7 22 236 45 16 47 44 16 58 52 16 41 21 17 5 17 -1.05 - 38 0 0 17 2 49 13 0 17.3 21 237 46 16 57 15 17 8 24 16 50 51 17 14 50 -1.05 - 37 0 0 17 13 5 13 0 19.9 20 237 46 17 7 30 17 18 41 17 1 6 17 25 7 -1.05 - 36 0 0 17 24 6 13 0 22.3 19 238 46 17 18 30 17 29 42 17 12 5 17 36 10 -1.05 - 35 0 0 17 35 51 13 0 24.6 18 238 47 17 30 15 17 41 28 17 23 48 17 47 57 -1.05 - 34 0 0 17 48 21 13 0 26.8 17 239 47 17 42 44 17 53 59 17 36 16 18 0 28 -1.05 - 33 0 0 18 1 35 13 0 28.9 16 239 47 17 55 57 18 7 14 17 49 28 18 13 45 -1.06 - 32 0 0 18 15 34 13 0 30.9 15 239 48 18 9 54 18 21 13 18 3 25 18 27 45 -1.06 - 31 0 0 18 30 16 13 0 32.8 15 240 48 18 24 36 18 35 57 18 18 5 18 42 30 -1.06 - 30 0 0 18 45 43 13 0 34.5 14 240 48 18 40 2 18 51 25 18 33 30 18 57 59 -1.06 - 29 0 0 19 1 54 13 0 36.2 13 241 48 18 56 11 19 7 37 18 49 38 19 14 12 -1.06 - 28 0 0 19 18 48 13 0 37.7 12 241 48 19 13 5 19 24 32 19 6 30 19 31 9 -1.06 - 27 0 0 19 36 26 13 0 39.1 11 241 48 19 30 42 19 42 12 19 24 6 19 48 50 -1.06 - 26 0 0 19 54 48 13 0 40.4 10 242 48 19 49 2 20 0 35 19 42 24 20 7 14 -1.07 - 25 0 0 20 13 52 13 0 41.5 9 242 48 20 8 5 20 19 40 20 1 26 20 26 22 -1.07 - 24 0 0 20 33 40 13 0 42.6 8 242 48 20 27 51 20 39 30 20 21 11 20 46 12 -1.07 - 23 0 0 20 54 11 13 0 43.5 7 243 48 20 48 20 21 0 1 20 41 38 21 6 46 -1.08 - 22 0 0 21 15 23 13 0 44.3 6 243 48 21 9 32 21 21 16 21 2 48 21 28 2 -1.09 - 21 0 0 21 37 19 13 0 45.0 5 244 48 21 31 25 21 43 12 21 24 40 21 50 1 -1.10 - 20 0 0 21 59 56 13 0 45.5 4 244 48 21 54 1 22 5 51 21 47 13 22 12 41 -1.12 - 19 0 0 22 23 14 13 0 45.9 3 244 48 22 17 18 22 29 12 22 10 28 22 36 3 -1.15 - 18 0 0 22 47 14 13 0 46.2 2 245 47 22 41 16 22 53 13 22 34 25 23 0 7 -1.22 - 17 0 0 23 11 55 13 0 46.3 1 245 47 23 5 55 23 17 56 22 59 2 23 24 52 -1.49 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 12.0 Data for the target star ------------------------ * name: UCAC4 338-072874 * constellation : Libra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 14 45 04.6328 DE: -22 26 38.764 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 14 45 04.6328 DE: -22 26 38.764 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 11.1 * B mag [mag]: 12.0 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1224) Fantasia asteroid class: approx. diameter [km]: 14 approx. diameter ["]: 0.007 distance from Earth [AU]: 2.81000 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#47 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", 0.004", 100.71° remarks: * orbital elements for (1224)Fantasia : Mean anomaly = 176.4025908512 deg Arg. of pericenter = 129.4012904453 deg Long. of node = 258.0198060556 deg Inclination = 7.8865742028 deg Eccentricity = 0.1987045713 Semimajor axis = 2.3045523508 AU Perihelion dist = 1.8466272639 AU Mag: H = 11.63, G = 0.15 Epoch of elements : MJD 60332.53986513 TDT (2024 Jan 23.5399) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#472023Apr24,0.64,2024,1,23,12.956760,0.254528,0.673556,11.549963,-4.356130,-0.005540,0.001586,0.000000,0.000000 -95.1081,-22.5447,-11.42,-19.49,False UCAC4 338-072874,14.75128687,-22.4441010,11.99,11.11,10.63,0.1,4,,14.77407849,-22.5446998,5.97,6.00,0,0,0 1224,Fantasia,17.08,14.065,2.8100,0,0,2.610,-13.64,,0.8,0 0,176.2505,2024,1,23,129.4013,258.0198,7.8866,0.19870,2.30455,1.84663,11.62,5.0,0.15 1.575,0.0093,0.0037,101,0.0040,Known errors,0.99,0,-1,-1 20240123_072874,60137.03 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 12, 00:39 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org