IOTA/IOTA-ES occultation update for (1015) Christa / UCAC4 406-063582 event on 2023 Jun 12, 08:00 UT Visible from USA Summary ------- On 2023 Jun 12 UT, the 92.9 km diameter asteroid (1015) Christa will occult a 12.0 mag star in the constellation Libra 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 2.66 mag to 14.53 mag (the magnitude of the asteroid) for at most 7.610 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 Jun 12, 07:53 - 2023 Jun 12, 08:07 * geocentric midpoint of event [JD]: 2460107.83364925 * magnitude of target star: 11.97 * magnitude drop [mag]: 2.66 * estimated maximum duration [s]: 7.610 * Moon: 33 % sunlit, 133° distance * Sun: 154° distance * rough path description: USA The occultation path -------------------- * approximate projected width [km]: 118 * 1 sigma uncertainty interval [path widths]: +/- 0.20 * 1 sigma uncertainty interval [seconds]: +/- 3.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.022, +/- 0.009) * 1 sigma uncertainty ellipse (major, minor, PA): (0.022", 0.007", 106°) * approx speed of asteroid's shadow [km/s]: 12.2007 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 406-063582 by 1015 Christa on 2023 Jun 12 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 132 0 0 35 0 32 8 7 17.9 1 101 26 35 33 23 34 27 56 35 46 30 34 15 4 .... 133 0 0 34 51 8 8 7 17.7 1 102 25 35 23 58 34 18 32 35 37 4 34 5 40 -0.51 134 0 0 34 41 47 8 7 17.4 2 102 24 35 14 37 34 9 12 35 27 43 33 56 21 -0.61 135 0 0 34 32 31 8 7 16.9 3 103 23 35 5 20 33 59 57 35 18 26 33 47 5 -0.66 136 0 0 34 23 19 8 7 16.3 4 104 22 34 56 8 33 50 46 35 9 13 33 37 55 -0.69 137 0 0 34 14 12 8 7 15.6 5 104 22 34 47 0 33 41 39 35 0 5 33 28 48 -0.71 138 0 0 34 5 10 8 7 14.7 6 105 21 34 37 57 33 32 37 34 51 1 33 19 47 -0.72 139 0 0 33 56 12 8 7 13.7 7 105 20 34 28 58 33 23 41 34 42 3 33 10 51 -0.73 140 0 0 33 47 20 8 7 12.5 7 106 19 34 20 6 33 14 49 34 33 10 33 1 59 -0.74 141 0 0 33 38 33 8 7 11.2 8 106 18 34 11 18 33 6 3 34 24 22 32 53 14 -0.74 142 0 0 33 29 52 8 7 9.7 9 107 17 34 2 36 32 57 23 34 15 40 32 44 34 -0.75 143 0 0 33 21 17 8 7 8.1 10 108 17 33 54 0 32 48 48 34 7 3 32 35 59 -0.75 144 0 0 33 12 47 8 7 6.4 11 108 16 33 45 29 32 40 19 33 58 32 32 27 30 -0.75 145 0 0 33 4 23 8 7 4.5 12 109 15 33 37 5 32 31 56 33 50 7 32 19 8 -0.76 146 0 0 32 56 6 8 7 2.5 12 109 14 33 28 46 32 23 40 33 41 49 32 10 52 -0.76 147 0 0 32 47 55 8 7 0.3 13 110 13 33 20 35 32 15 30 33 33 36 32 2 42 -0.76 148 0 0 32 39 50 8 6 58.0 14 110 12 33 12 29 32 7 26 33 25 31 31 54 39 -0.76 149 0 0 32 31 53 8 6 55.6 15 111 12 33 4 31 31 59 29 33 17 32 31 46 42 -0.77 150 0 0 32 24 2 8 6 53.0 16 111 11 32 56 39 31 51 39 33 9 40 31 38 52 -0.77 151 0 0 32 16 18 8 6 50.3 16 112 10 32 48 55 31 43 56 33 1 55 31 31 10 -0.77 152 0 0 32 8 42 8 6 47.4 17 113 9 32 41 17 31 36 20 32 54 17 31 23 34 -0.77 153 0 0 32 1 12 8 6 44.4 18 113 8 32 33 47 31 28 52 32 46 47 31 16 6 -0.77 154 0 0 31 53 51 8 6 41.3 19 114 7 32 26 25 31 21 31 32 39 24 31 8 46 -0.77 155 0 0 31 46 37 8 6 38.0 20 114 7 32 19 10 31 14 18 32 32 9 31 1 33 -0.77 156 0 0 31 39 30 8 6 34.7 21 115 6 32 12 3 31 7 12 32 25 1 30 54 28 -0.77 157 0 0 31 32 32 8 6 31.1 21 116 5 32 5 3 31 0 15 32 18 2 30 47 30 -0.77 158 0 0 31 25 41 8 6 27.5 22 116 4 31 58 12 30 53 25 32 11 10 30 40 41 -0.77 159 0 0 31 18 59 8 6 23.7 23 117 3 31 51 29 30 46 44 32 4 27 30 34 0 -0.77 160 0 0 31 12 25 8 6 19.8 24 118 3 31 44 54 30 40 11 31 57 52 30 27 27 -0.78 161 0 0 31 6 0 8 6 15.8 25 118 2 31 38 28 30 33 46 31 51 25 30 21 3 -0.78 162 0 0 30 59 43 8 6 11.6 25 119 1 31 32 11 30 27 30 31 45 7 30 14 47 -0.78 163 0 0 30 53 35 8 6 7.3 26 119 0 31 26 1 30 21 23 31 38 58 30 8 40 -0.78 164 0 0 30 47 35 8 6 2.9 27 120 -1 31 20 1 30 15 24 31 32 57 30 2 42 -0.78 165 0 0 30 41 45 8 5 58.4 28 121 -1 31 14 10 30 9 34 31 27 6 29 56 52 -0.78 166 0 0 30 36 3 8 5 53.7 28 122 -2 31 8 28 30 3 53 31 21 23 29 51 12 -0.78 167 0 0 30 30 31 8 5 49.0 29 122 -3 31 2 54 29 58 22 31 15 49 29 45 40 -0.78 168 0 0 30 25 8 8 5 44.1 30 123 -4 30 57 30 29 52 59 31 10 25 29 40 18 -0.78 169 0 0 30 19 54 8 5 39.1 31 124 -5 30 52 16 29 47 46 31 5 10 29 35 5 -0.78 170 0 0 30 14 49 8 5 34.0 32 124 -5 30 47 10 29 42 42 31 0 5 29 30 1 -0.78 171 0 0 30 9 54 8 5 28.8 32 125 -6 30 42 15 29 37 48 30 55 8 29 25 7 -0.78 172 0 0 30 5 8 8 5 23.5 33 126 -7 30 37 28 29 33 3 30 50 22 29 20 23 -0.78 173 0 0 30 0 33 8 5 18.0 34 127 -8 30 32 52 29 28 27 30 45 45 29 15 48 -0.78 174 0 0 29 56 6 8 5 12.5 34 127 -8 30 28 25 29 24 2 30 41 18 29 11 22 -0.78 175 0 0 29 51 50 8 5 6.9 35 128 -9 30 24 8 29 19 46 30 37 1 29 7 7 -0.78 176 0 0 29 47 44 8 5 1.1 36 129 -10 30 20 1 29 15 40 30 32 54 29 3 1 -0.78 177 0 0 29 43 47 8 4 55.3 37 130 -11 30 16 4 29 11 44 30 28 56 28 59 6 -0.78 178 0 0 29 40 1 8 4 49.4 37 131 -11 30 12 17 29 7 59 30 25 9 28 55 20 -0.78 179 0 0 29 36 24 8 4 43.4 38 132 -12 30 8 40 29 4 23 30 21 32 28 51 44 -0.78 -180 0 0 29 32 58 8 4 37.3 39 133 -13 30 5 13 29 0 57 30 18 5 28 48 19 -0.78 -179 0 0 29 29 42 8 4 31.1 39 133 -14 30 1 57 28 57 41 30 14 48 28 45 3 -0.78 -178 0 0 29 26 36 8 4 24.8 40 134 -14 29 58 51 28 54 36 30 11 42 28 41 58 -0.78 -177 0 0 29 23 41 8 4 18.4 41 135 -15 29 55 55 28 51 41 30 8 46 28 39 4 -0.78 -176 0 0 29 20 56 8 4 12.0 41 136 -16 29 53 9 28 48 57 30 6 0 28 36 19 -0.78 -175 0 0 29 18 21 8 4 5.4 42 137 -16 29 50 34 28 46 22 30 3 25 28 33 45 -0.78 -174 0 0 29 15 57 8 3 58.8 42 138 -17 29 48 9 28 43 58 30 1 0 28 31 21 -0.78 -173 0 0 29 13 43 8 3 52.1 43 139 -18 29 45 55 28 41 45 29 58 46 28 29 8 -0.78 -172 0 0 29 11 40 8 3 45.4 44 140 -18 29 43 52 28 39 42 29 56 42 28 27 5 -0.78 -171 0 0 29 9 47 8 3 38.6 44 142 -19 29 41 59 28 37 50 29 54 49 28 25 13 -0.78 -170 0 0 29 8 5 8 3 31.7 45 143 -20 29 40 16 28 36 8 29 53 6 28 23 31 -0.78 -169 0 0 29 6 33 8 3 24.7 45 144 -20 29 38 44 28 34 36 29 51 34 28 22 0 -0.78 -168 0 0 29 5 12 8 3 17.7 46 145 -21 29 37 23 28 33 16 29 50 13 28 20 39 -0.78 -167 0 0 29 4 2 8 3 10.6 46 146 -22 29 36 13 28 32 6 29 49 2 28 19 29 -0.78 -166 0 0 29 3 3 8 3 3.5 47 147 -22 29 35 13 28 31 6 29 48 3 28 18 30 -0.78 -165 0 0 29 2 14 8 2 56.3 47 149 -23 29 34 24 28 30 17 29 47 13 28 17 41 -0.78 -164 0 0 29 1 35 8 2 49.1 48 150 -23 29 33 45 28 29 39 29 46 35 28 17 3 -0.78 -163 0 0 29 1 8 8 2 41.8 48 151 -24 29 33 17 28 29 12 29 46 7 28 16 35 -0.78 -162 0 0 29 0 51 8 2 34.4 48 152 -25 29 33 0 28 28 55 29 45 50 28 16 19 -0.78 -161 0 0 29 0 44 8 2 27.0 49 154 -25 29 32 54 28 28 49 29 45 44 28 16 12 -0.78 -160 0 0 29 0 49 8 2 19.6 49 155 -26 29 32 58 28 28 53 29 45 48 28 16 17 -0.78 -159 0 0 29 1 4 8 2 12.2 49 156 -26 29 33 14 28 29 8 29 46 3 28 16 32 -0.78 -158 0 0 29 1 30 8 2 4.7 50 158 -27 29 33 39 28 29 34 29 46 29 28 16 58 -0.78 -157 0 0 29 2 6 8 1 57.1 50 159 -27 29 34 16 28 30 10 29 47 5 28 17 34 -0.78 -156 0 0 29 2 53 8 1 49.6 50 161 -28 29 35 3 28 30 57 29 47 52 28 18 21 -0.79 -155 0 0 29 3 50 8 1 42.0 51 162 -28 29 36 0 28 31 54 29 48 50 28 19 18 -0.79 -154 0 0 29 4 59 8 1 34.4 51 164 -29 29 37 9 28 33 2 29 49 58 28 20 26 -0.79 -153 0 0 29 6 17 8 1 26.7 51 165 -29 29 38 28 28 34 21 29 51 17 28 21 45 -0.79 -152 0 0 29 7 47 8 1 19.1 51 167 -30 29 39 57 28 35 50 29 52 47 28 23 14 -0.79 -151 0 0 29 9 26 8 1 11.4 51 168 -30 29 41 37 28 37 30 29 54 27 28 24 53 -0.79 -150 0 0 29 11 17 8 1 3.7 52 170 -30 29 43 27 28 39 20 29 56 17 28 26 43 -0.79 -149 0 0 29 13 17 8 0 56.0 52 171 -31 29 45 28 28 41 20 29 58 18 28 28 43 -0.79 -148 0 0 29 15 28 8 0 48.3 52 173 -31 29 47 40 28 43 31 30 0 30 28 30 54 -0.79 -147 0 0 29 17 50 8 0 40.6 52 174 -32 29 50 1 28 45 52 30 2 52 28 33 15 -0.79 -146 0 0 29 20 21 8 0 32.9 52 176 -32 29 52 33 28 48 23 30 5 24 28 35 46 -0.79 -145 0 0 29 23 3 8 0 25.2 52 177 -32 29 55 16 28 51 5 30 8 6 28 38 28 -0.79 -144 0 0 29 25 55 8 0 17.5 52 179 -33 29 58 8 28 53 57 30 10 59 28 41 19 -0.79 -143 0 0 29 28 58 8 0 9.8 52 180 -33 30 1 11 28 56 58 30 14 2 28 44 21 -0.79 -142 0 0 29 32 10 8 0 2.1 52 182 -33 30 4 24 29 0 10 30 17 15 28 47 33 -0.79 -141 0 0 29 35 32 7 59 54.4 52 184 -34 30 7 46 29 3 32 30 20 38 28 50 54 -0.79 -140 0 0 29 39 5 7 59 46.7 51 185 -34 30 11 19 29 7 4 30 24 11 28 54 26 -0.79 -139 0 0 29 42 47 7 59 39.1 51 187 -34 30 15 2 29 10 46 30 27 54 28 58 8 -0.79 -138 0 0 29 46 39 7 59 31.4 51 188 -34 30 18 54 29 14 37 30 31 46 29 1 59 -0.79 -137 0 0 29 50 41 7 59 23.8 51 190 -35 30 22 57 29 18 39 30 35 49 29 6 0 -0.79 -136 0 0 29 54 52 7 59 16.2 51 191 -35 30 27 9 29 22 50 30 40 1 29 10 11 -0.79 -135 0 0 29 59 13 7 59 8.7 50 193 -35 30 31 30 29 27 10 30 44 23 29 14 31 -0.79 -134 0 0 30 3 44 7 59 1.1 50 194 -35 30 36 1 29 31 40 30 48 54 29 19 1 -0.79 -133 0 0 30 8 24 7 58 53.6 50 195 -35 30 40 42 29 36 19 30 53 35 29 23 40 -0.79 -132 0 0 30 13 13 7 58 46.2 50 197 -35 30 45 32 29 41 8 30 58 25 29 28 28 -0.79 -131 0 0 30 18 11 7 58 38.8 49 198 -36 30 50 31 29 46 6 31 3 25 29 33 26 -0.79 -130 0 0 30 23 19 7 58 31.4 49 200 -36 30 55 39 29 51 13 31 8 33 29 38 33 -0.79 -129 0 0 30 28 36 7 58 24.0 49 201 -36 31 0 57 29 56 29 31 13 51 29 43 48 -0.79 -128 0 0 30 34 1 7 58 16.7 48 202 -36 31 6 23 30 1 54 31 19 17 29 49 13 -0.79 -127 0 0 30 39 36 7 58 9.5 48 204 -36 31 11 58 30 7 28 31 24 53 29 54 47 -0.79 -126 0 0 30 45 19 7 58 2.3 47 205 -36 31 17 42 30 13 10 31 30 37 30 0 29 -0.79 -125 0 0 30 51 11 7 57 55.2 47 206 -36 31 23 35 30 19 1 31 36 30 30 6 20 -0.79 -124 0 0 30 57 11 7 57 48.1 46 207 -36 31 29 36 30 25 1 31 42 31 30 12 19 -0.79 -123 0 0 31 3 20 7 57 41.0 46 209 -36 31 35 46 30 31 9 31 48 41 30 18 27 -0.79 -122 0 0 31 9 37 7 57 34.1 45 210 -36 31 42 3 30 37 25 31 54 59 30 24 43 -0.79 -121 0 0 31 16 3 7 57 27.2 45 211 -36 31 48 29 30 43 50 32 1 26 30 31 7 -0.79 -120 0 0 31 22 36 7 57 20.3 44 212 -36 31 55 4 30 50 23 32 8 0 30 37 40 -0.79 -119 0 0 31 29 17 7 57 13.6 44 213 -36 32 1 45 30 57 3 32 14 43 30 44 20 -0.79 -118 0 0 31 36 6 7 57 6.9 43 214 -35 32 8 35 31 3 51 32 21 33 30 51 8 -0.79 -117 0 0 31 43 3 7 57 0.3 43 215 -35 32 15 33 31 10 47 32 28 30 30 58 3 -0.79 -116 0 0 31 50 7 7 56 53.7 42 216 -35 32 22 38 31 17 51 32 35 36 31 5 6 -0.79 -115 0 0 31 57 19 7 56 47.2 42 218 -35 32 29 50 31 25 1 32 42 49 31 12 17 -0.79 -114 0 0 32 4 38 7 56 40.8 41 219 -35 32 37 10 31 32 20 32 50 9 31 19 35 -0.79 -113 0 0 32 12 3 7 56 34.5 40 220 -34 32 44 37 31 39 45 32 57 36 31 27 0 -0.79 -112 0 0 32 19 36 7 56 28.3 40 221 -34 32 52 11 31 47 17 33 5 10 31 34 31 -0.79 -111 0 0 32 27 16 7 56 22.2 39 221 -34 32 59 51 31 54 56 33 12 51 31 42 10 -0.79 -110 0 0 32 35 3 7 56 16.1 38 222 -34 33 7 38 32 2 42 33 20 38 31 49 55 -0.79 -109 0 0 32 42 56 7 56 10.2 38 223 -33 33 15 32 32 10 34 33 28 33 31 57 47 -0.80 -108 0 0 32 50 55 7 56 4.3 37 224 -33 33 23 32 32 18 32 33 36 33 32 5 46 -0.80 -107 0 0 32 59 1 7 55 58.5 36 225 -33 33 31 39 32 26 37 33 44 40 32 13 50 -0.80 -106 0 0 33 7 12 7 55 52.8 36 226 -33 33 39 51 32 34 48 33 52 53 32 22 1 -0.80 -105 0 0 33 15 30 7 55 47.3 35 227 -32 33 48 10 32 43 5 34 1 11 32 30 17 -0.80 -104 0 0 33 23 53 7 55 41.8 34 228 -32 33 56 34 32 51 27 34 9 36 32 38 39 -0.80 -103 0 0 33 32 22 7 55 36.4 34 229 -31 34 5 4 32 59 56 34 18 6 32 47 7 -0.80 -102 0 0 33 40 57 7 55 31.1 33 229 -31 34 13 39 33 8 29 34 26 41 32 55 41 -0.80 -101 0 0 33 49 36 7 55 25.9 32 230 -31 34 22 19 33 17 8 34 35 22 33 4 19 -0.80 -100 0 0 33 58 21 7 55 20.9 32 231 -30 34 31 5 33 25 52 34 44 8 33 13 3 -0.80 - 99 0 0 34 7 10 7 55 15.9 31 232 -30 34 39 55 33 34 41 34 52 58 33 21 51 -0.80 - 98 0 0 34 16 5 7 55 11.1 30 233 -29 34 48 50 33 43 34 35 1 54 33 30 44 -0.80 - 97 0 0 34 25 3 7 55 6.3 29 233 -29 34 57 49 33 52 32 35 10 53 33 39 42 -0.80 - 96 0 0 34 34 7 7 55 1.7 29 234 -28 35 6 53 34 1 35 35 19 58 33 48 44 -0.80 - 95 0 0 34 43 14 7 54 57.2 28 235 -28 35 16 1 34 10 41 35 29 6 33 57 51 -0.80 - 94 0 0 34 52 25 7 54 52.8 27 236 -28 35 25 13 34 19 52 35 38 18 34 7 1 -0.80 - 93 0 0 35 1 40 7 54 48.5 26 236 -27 35 34 29 34 29 6 35 47 34 34 16 15 -0.80 - 92 0 0 35 10 59 7 54 44.4 26 237 -27 35 43 48 34 38 25 35 56 54 34 25 33 -0.80 - 91 0 0 35 20 21 7 54 40.3 25 238 -26 35 53 11 34 47 46 36 6 17 34 34 55 -0.80 - 90 0 0 35 29 47 7 54 36.4 24 238 -26 36 2 37 34 57 11 36 15 43 34 44 19 -0.80 - 89 0 0 35 39 15 7 54 32.6 23 239 -25 36 12 6 35 6 39 36 25 12 34 53 47 -0.80 - 88 0 0 35 48 47 7 54 28.9 23 240 -24 36 21 38 35 16 10 36 34 45 35 3 18 -0.80 - 87 0 0 35 58 21 7 54 25.3 22 240 -24 36 31 13 35 25 43 36 44 19 35 12 51 -0.80 - 86 0 0 36 7 57 7 54 21.9 21 241 -23 36 40 50 35 35 19 36 53 57 35 22 27 -0.80 - 85 0 0 36 17 36 7 54 18.6 20 242 -23 36 50 29 35 44 58 37 3 36 35 32 5 -0.80 - 84 0 0 36 27 17 7 54 15.4 19 242 -22 37 0 11 35 54 38 37 13 18 35 41 45 -0.80 - 83 0 0 36 37 0 7 54 12.3 19 243 -22 37 9 54 36 4 21 37 23 2 35 51 28 -0.80 - 82 0 0 36 46 45 7 54 9.4 18 244 -21 37 19 39 36 14 5 37 32 47 36 1 12 -0.81 - 81 0 0 36 56 31 7 54 6.6 17 244 -20 37 29 26 36 23 51 37 42 34 36 10 58 -0.81 - 80 0 0 37 6 18 7 54 3.9 16 245 -20 37 39 14 36 33 38 37 52 22 36 20 45 -0.81 - 79 0 0 37 16 7 7 54 1.3 16 246 -19 37 49 3 36 43 26 38 2 11 36 30 33 -0.81 - 78 0 0 37 25 57 7 53 58.9 15 246 -19 37 58 53 36 53 16 38 12 1 36 40 22 -0.81 - 77 0 0 37 35 47 7 53 56.6 14 247 -18 38 8 43 37 3 6 38 21 51 36 50 12 -0.81 - 76 0 0 37 45 38 7 53 54.4 13 248 -17 38 18 34 37 12 57 38 31 43 37 0 3 -0.81 - 75 0 0 37 55 29 7 53 52.4 12 248 -17 38 28 26 37 22 48 38 41 34 37 9 53 -0.81 - 74 0 0 38 5 21 7 53 50.4 12 249 -16 38 38 18 37 32 39 38 51 26 37 19 45 -0.81 - 73 0 0 38 15 12 7 53 48.6 11 250 -15 38 48 9 37 42 30 39 1 18 37 29 36 -0.81 - 72 0 0 38 25 3 7 53 47.0 10 250 -15 38 58 0 37 52 21 39 11 9 37 39 27 -0.82 - 71 0 0 38 34 54 7 53 45.4 9 251 -14 39 7 51 38 2 12 39 21 0 37 49 17 -0.82 - 70 0 0 38 44 44 7 53 44.0 8 251 -13 39 17 41 38 12 2 39 30 50 37 59 7 -0.82 - 69 0 0 38 54 33 7 53 42.8 8 252 -13 39 27 31 38 21 51 39 40 39 38 8 57 -0.82 - 68 0 0 39 4 22 7 53 41.6 7 253 -12 39 37 19 38 31 39 39 50 28 38 18 45 -0.83 - 67 0 0 39 14 9 7 53 40.6 6 253 -11 39 47 6 38 41 27 40 0 15 38 28 32 -0.83 - 66 0 0 39 23 55 7 53 39.7 5 254 -11 39 56 52 38 51 12 40 10 1 38 38 18 -0.84 - 65 0 0 39 33 39 7 53 38.9 4 255 -10 40 6 36 39 0 57 40 19 45 38 48 2 -0.84 - 64 0 0 39 43 21 7 53 38.3 4 255 -9 40 16 18 39 10 39 40 29 27 38 57 45 -0.85 - 63 0 0 39 53 2 7 53 37.7 3 256 -9 40 25 59 39 20 20 40 39 7 39 7 26 -0.87 - 62 0 0 40 2 40 7 53 37.3 2 257 -8 40 35 37 39 29 58 40 48 45 39 17 4 -0.90 - 61 0 0 40 12 16 7 53 37.1 1 257 -7 40 45 13 39 39 35 40 58 21 39 26 41 -0.96 - 60 0 0 40 21 50 7 53 36.9 1 258 -7 40 54 46 39 49 9 41 7 55 39 36 15 -1.18 Uncertainty in time = +/- 3 secs Prediction of 2023 Apr 29.2 Data for the target star ------------------------ * name: UCAC4 406-063582 * constellation : Libra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 15 47 20.1183 DE: -08 49 08.081 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 15 47 20.1183 DE: -08 49 08.081 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 12.0 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1015) Christa asteroid class: approx. diameter [km]: 93 approx. diameter ["]: 0.050 distance from Earth [AU]: 2.53860 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#120 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", 0.007", 106.12° remarks: * orbital elements for (1015)Christa : Mean anomaly = 199.3097091205 deg Arg. of pericenter = 286.7993460174 deg Long. of node = 120.1228520268 deg Inclination = 9.4453937470 deg Eccentricity = 0.0888589821 Semimajor axis = 3.2062565891 AU Perihelion dist = 2.9213518921 AU Mag: H = 9.23, G = 0.15 Epoch of elements : MJD 60107.33354167 TDT (2023 Jun 12.3335) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1202023Apr24,7.61,2023,6,12,8.007582,-0.029233,0.616454,-6.878701,-0.326170,0.002038,-0.001466,0.000001,0.000000 -143.3527,-8.8919,59.84,23.14,False UCAC4 406-063582,15.78892175,-8.8189115,0.00,11.97,0.00,0.0,0,,15.81025080,-8.8918884,2.66,0.00,0,0,0 1015,Christa,14.53,92.9,2.5386,0,0,-1.608,-1.13,,4.6,0 0,199.2524,2023,6,12,286.7993,120.1229,9.4454,0.08886,3.20626,2.92135,9.26,5.0,0.15 1.198,0.0223,0.0073,106,0.0100,Known errors,-1.00,-1,-1,-1 20230612_063582,60063.19 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Apr 29, 04:38 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org