IOTA/IOTA-ES occultation update for (2507) Bobone / TYC 841-01453-1 event on 2024 Oct 21, 23:27 UT Visible from Summary ------- On 2024 Oct 21 UT, the 14.657 km diameter asteroid (2507) Bobone will occult a 12.0 mag star in the constellation Leo for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 5.52 mag to 17.49 mag (the magnitude of the asteroid) for at most 0.420 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 Oct 21, 23:24 - 2024 Oct 21, 23:30 * geocentric midpoint of event [JD]: 2460605.47753159 * magnitude of target star: 11.98 * magnitude drop [mag]: 5.52 * estimated maximum duration [s]: 0.420 * Moon: 73 % sunlit, 65° distance * Sun: 53° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 15 * 1 sigma uncertainty interval [path widths]: +/- 0.31 * 1 sigma uncertainty interval [seconds]: +/- 0.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.011, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.011", 0.002", 102°) * approx speed of asteroid's shadow [km/s]: 35.1953 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 841-01453-1 by 2507 Bobone on 2024 Oct 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 42 0 0 24 57 43 23 24 40.1 0 79 -52 24 53 37 25 1 50 24 51 4 25 4 23 .... 43 0 0 25 8 46 23 24 40.1 1 79 -51 25 4 40 25 12 53 25 2 8 25 15 25 -0.16 44 0 0 25 19 33 23 24 40.2 2 79 -50 25 15 27 25 23 39 25 12 54 25 26 11 -0.16 45 0 0 25 30 2 23 24 40.4 3 80 -50 25 25 56 25 34 8 25 23 24 25 36 40 -0.16 46 0 0 25 40 14 23 24 40.6 4 80 -49 25 36 8 25 44 19 25 33 36 25 46 51 -0.17 47 0 0 25 50 9 23 24 40.8 5 81 -48 25 46 3 25 54 14 25 43 31 25 56 46 -0.17 48 0 0 25 59 46 23 24 41.1 6 81 -47 25 55 41 26 3 51 25 53 9 26 6 23 -0.17 49 0 0 26 9 6 23 24 41.4 7 82 -46 26 5 1 26 13 11 26 2 30 26 15 43 -0.17 50 0 0 26 18 9 23 24 41.8 8 82 -45 26 14 4 26 22 14 26 11 33 26 24 45 -0.17 51 0 0 26 26 54 23 24 42.2 9 82 -44 26 22 49 26 30 58 26 20 18 26 33 30 -0.17 52 0 0 26 35 21 23 24 42.7 10 83 -43 26 31 17 26 39 26 26 28 46 26 41 57 -0.16 53 0 0 26 43 31 23 24 43.2 10 83 -42 26 39 27 26 47 35 26 36 56 26 50 6 -0.16 54 0 0 26 51 23 23 24 43.7 11 84 -41 26 47 19 26 55 27 26 44 48 26 57 58 -0.16 55 0 0 26 58 57 23 24 44.3 12 84 -40 26 54 53 27 3 1 26 52 23 27 5 32 -0.16 56 0 0 27 6 13 23 24 45.0 13 85 -40 27 2 10 27 10 17 26 59 39 27 12 48 -0.16 57 0 0 27 13 12 23 24 45.6 14 85 -39 27 9 8 27 17 15 27 6 38 27 19 46 -0.16 58 0 0 27 19 52 23 24 46.4 15 86 -38 27 15 49 27 23 56 27 13 19 27 26 26 -0.16 59 0 0 27 26 15 23 24 47.1 16 86 -37 27 22 12 27 30 18 27 19 41 27 32 48 -0.16 60 0 0 27 32 19 23 24 48.0 17 87 -36 27 28 16 27 36 22 27 25 46 27 38 52 -0.16 61 0 0 27 38 5 23 24 48.8 18 87 -35 27 34 3 27 42 8 27 31 33 27 44 38 -0.16 62 0 0 27 43 34 23 24 49.7 19 88 -34 27 39 31 27 47 36 27 37 1 27 50 6 -0.16 63 0 0 27 48 44 23 24 50.6 19 88 -33 27 44 41 27 52 46 27 42 11 27 55 16 -0.16 64 0 0 27 53 35 23 24 51.6 20 88 -32 27 49 33 27 57 38 27 47 3 28 0 8 -0.16 65 0 0 27 58 9 23 24 52.6 21 89 -31 27 54 7 28 2 11 27 51 37 28 4 41 -0.16 66 0 0 28 2 24 23 24 53.7 22 89 -31 27 58 22 28 6 26 27 55 52 28 8 56 -0.16 67 0 0 28 6 21 23 24 54.8 23 90 -30 28 2 19 28 10 23 27 59 49 28 12 53 -0.16 68 0 0 28 10 0 23 24 55.9 24 90 -29 28 5 58 28 14 2 28 3 28 28 16 31 -0.16 69 0 0 28 13 20 23 24 57.1 25 91 -28 28 9 18 28 17 22 28 6 49 28 19 51 -0.16 70 0 0 28 16 22 23 24 58.3 26 91 -27 28 12 20 28 20 24 28 9 51 28 22 53 -0.16 71 0 0 28 19 5 23 24 59.5 27 92 -26 28 15 4 28 23 7 28 12 34 28 25 37 -0.16 72 0 0 28 21 30 23 25 0.8 27 92 -25 28 17 29 28 25 32 28 14 59 28 28 2 -0.16 73 0 0 28 23 37 23 25 2.2 28 93 -24 28 19 36 28 27 39 28 17 6 28 30 8 -0.16 74 0 0 28 25 25 23 25 3.5 29 94 -24 28 21 24 28 29 27 28 18 54 28 31 56 -0.16 75 0 0 28 26 55 23 25 4.9 30 94 -23 28 22 54 28 30 57 28 20 24 28 33 26 -0.16 76 0 0 28 28 6 23 25 6.4 31 95 -22 28 24 5 28 32 8 28 21 36 28 34 37 -0.16 77 0 0 28 28 59 23 25 7.9 32 95 -21 28 24 58 28 33 1 28 22 28 28 35 30 -0.16 78 0 0 28 29 33 23 25 9.4 33 96 -20 28 25 32 28 33 35 28 23 3 28 36 4 -0.16 79 0 0 28 29 49 23 25 10.9 34 96 -19 28 25 48 28 33 51 28 23 19 28 36 20 -0.16 80 0 0 28 29 46 23 25 12.5 34 97 -18 28 25 45 28 33 48 28 23 16 28 36 17 -0.16 81 0 0 28 29 25 23 25 14.1 35 97 -17 28 25 24 28 33 26 28 22 54 28 35 56 -0.16 82 0 0 28 28 45 23 25 15.8 36 98 -16 28 24 44 28 32 47 28 22 15 28 35 16 -0.16 83 0 0 28 27 47 23 25 17.5 37 98 -16 28 23 45 28 31 48 28 21 16 28 34 17 -0.16 84 0 0 28 26 30 23 25 19.2 38 99 -15 28 22 28 28 30 31 28 19 59 28 33 1 -0.16 85 0 0 28 24 54 23 25 21.0 39 100 -14 28 20 53 28 28 56 28 18 23 28 31 25 -0.16 86 0 0 28 23 0 23 25 22.8 40 100 -13 28 18 59 28 27 2 28 16 29 28 29 31 -0.16 87 0 0 28 20 47 23 25 24.7 41 101 -12 28 16 46 28 24 49 28 14 17 28 27 19 -0.16 88 0 0 28 18 16 23 25 26.5 42 101 -11 28 14 15 28 22 18 28 11 45 28 24 48 -0.16 89 0 0 28 15 27 23 25 28.4 42 102 -10 28 11 25 28 19 28 28 8 55 28 21 58 -0.16 90 0 0 28 12 18 23 25 30.4 43 102 -9 28 8 17 28 16 20 28 5 47 28 18 50 -0.16 91 0 0 28 8 52 23 25 32.4 44 103 -8 28 4 50 28 12 54 28 2 20 28 15 23 -0.16 92 0 0 28 5 6 23 25 34.4 45 104 -8 28 1 4 28 9 8 27 58 35 28 11 38 -0.16 93 0 0 28 1 2 23 25 36.4 46 104 -7 27 57 0 28 5 5 27 54 31 28 7 34 -0.16 94 0 0 27 56 40 23 25 38.5 47 105 -6 27 52 38 28 0 42 27 50 8 28 3 12 -0.16 95 0 0 27 51 59 23 25 40.6 48 106 -5 27 47 57 27 56 2 27 45 27 27 58 31 -0.16 96 0 0 27 47 0 23 25 42.7 49 106 -4 27 42 57 27 51 2 27 40 27 27 53 32 -0.16 97 0 0 27 41 42 23 25 44.9 49 107 -3 27 37 39 27 45 44 27 35 9 27 48 15 -0.16 98 0 0 27 36 5 23 25 47.1 50 108 -2 27 32 3 27 40 8 27 29 33 27 42 38 -0.16 99 0 0 27 30 11 23 25 49.3 51 108 -1 27 26 8 27 34 14 27 23 38 27 36 44 -0.16 100 0 0 27 23 57 23 25 51.6 52 109 0 27 19 54 27 28 1 27 17 24 27 30 31 -0.16 101 0 0 27 17 26 23 25 53.9 53 110 0 27 13 23 27 21 29 27 10 52 27 24 0 -0.16 102 0 0 27 10 36 23 25 56.2 54 110 1 27 6 33 27 14 39 27 4 2 27 17 10 -0.16 103 0 0 27 3 28 23 25 58.6 55 111 2 26 59 24 27 7 31 26 56 54 27 10 2 -0.16 104 0 0 26 56 1 23 26 1.0 56 112 3 26 51 57 27 0 5 26 49 27 27 2 36 -0.16 105 0 0 26 48 16 23 26 3.4 56 113 4 26 44 12 26 52 20 26 41 42 26 54 51 -0.16 106 0 0 26 40 13 23 26 5.9 57 114 5 26 36 9 26 44 18 26 33 38 26 46 49 -0.16 107 0 0 26 31 52 23 26 8.4 58 114 6 26 27 48 26 35 57 26 25 17 26 38 28 -0.16 108 0 0 26 23 13 23 26 10.9 59 115 7 26 19 8 26 27 18 26 16 37 26 29 49 -0.16 109 0 0 26 14 16 23 26 13.4 60 116 8 26 10 11 26 18 20 26 7 39 26 20 52 -0.16 110 0 0 26 5 0 23 26 16.0 61 117 9 26 0 55 26 9 5 25 58 24 26 11 37 -0.16 111 0 0 25 55 27 23 26 18.6 62 118 10 25 51 22 25 59 32 25 48 50 26 2 4 -0.16 112 0 0 25 45 36 23 26 21.2 63 119 10 25 41 30 25 49 41 25 38 59 25 52 13 -0.16 113 0 0 25 35 27 23 26 23.9 64 120 11 25 31 21 25 39 33 25 28 49 25 42 5 -0.16 114 0 0 25 25 0 23 26 26.5 64 121 12 25 20 54 25 29 6 25 18 22 25 31 38 -0.16 115 0 0 25 14 16 23 26 29.2 65 122 13 25 10 10 25 18 22 25 7 37 25 20 54 -0.16 116 0 0 25 3 14 23 26 32.0 66 123 14 24 59 7 25 7 20 24 56 35 25 9 53 -0.16 117 0 0 24 51 55 23 26 34.7 67 125 15 24 47 48 24 56 1 24 45 15 24 58 34 -0.16 118 0 0 24 40 18 23 26 37.5 68 126 16 24 36 11 24 44 25 24 33 38 24 46 58 -0.16 119 0 0 24 28 24 23 26 40.3 69 127 17 24 24 17 24 32 31 24 21 44 24 35 4 -0.16 120 0 0 24 16 13 23 26 43.1 70 129 18 24 12 5 24 20 20 24 9 32 24 22 53 -0.16 121 0 0 24 3 45 23 26 46.0 70 131 19 23 59 37 24 7 52 23 57 4 24 10 26 -0.16 122 0 0 23 51 0 23 26 48.9 71 132 20 23 46 52 23 55 8 23 44 18 23 57 41 -0.16 123 0 0 23 37 58 23 26 51.8 72 134 21 23 33 50 23 42 6 23 31 16 23 44 40 -0.16 124 0 0 23 24 39 23 26 54.7 73 136 22 23 20 31 23 28 48 23 17 57 23 31 22 -0.16 125 0 0 23 11 5 23 26 57.6 74 138 23 23 6 56 23 15 13 23 4 22 23 17 47 -0.16 126 0 0 22 57 13 23 27 0.6 74 141 24 22 53 4 23 1 23 22 50 30 23 3 57 -0.16 127 0 0 22 43 6 23 27 3.6 75 143 24 22 38 57 22 47 15 22 36 23 22 49 50 -0.17 128 0 0 22 28 43 23 27 6.6 76 146 25 22 24 33 22 32 52 22 21 59 22 35 27 -0.17 129 0 0 22 14 4 23 27 9.6 77 149 26 22 9 54 22 18 13 22 7 19 22 20 48 -0.17 130 0 0 21 59 9 23 27 12.6 77 153 27 21 54 59 22 3 19 21 52 24 22 5 54 -0.17 131 0 0 21 43 59 23 27 15.7 78 156 28 21 39 48 21 48 9 21 37 14 21 50 44 -0.17 132 0 0 21 28 33 23 27 18.7 79 161 29 21 24 23 21 32 44 21 21 48 21 35 19 -0.17 133 0 0 21 12 53 23 27 21.8 79 165 30 21 8 42 21 17 4 21 6 7 21 19 39 -0.17 134 0 0 20 56 58 23 27 24.9 79 170 31 20 52 47 21 1 9 20 50 11 21 3 44 -0.17 135 0 0 20 40 48 23 27 28.0 80 176 32 20 36 37 20 45 0 20 34 1 20 47 35 -0.17 136 0 0 20 24 24 23 27 31.1 80 181 33 20 20 12 20 28 36 20 17 37 20 31 11 -0.17 137 0 0 20 7 46 23 27 34.2 80 187 34 20 3 34 20 11 58 20 0 58 20 14 34 -0.17 138 0 0 19 50 54 23 27 37.4 80 194 35 19 46 42 19 55 6 19 44 6 19 57 42 -0.17 139 0 0 19 33 49 23 27 40.5 80 200 36 19 29 36 19 38 1 19 27 0 19 40 37 -0.17 140 0 0 19 16 30 23 27 43.7 80 206 37 19 12 18 19 20 43 19 9 41 19 23 19 -0.17 141 0 0 18 58 59 23 27 46.8 80 212 38 18 54 46 19 3 12 18 52 10 19 5 48 -0.17 142 0 0 18 41 15 23 27 50.0 80 218 39 18 37 2 18 45 28 18 34 25 18 48 4 -0.17 143 0 0 18 23 18 23 27 53.2 79 224 40 18 19 5 18 27 32 18 16 28 18 30 8 -0.17 144 0 0 18 5 10 23 27 56.4 79 229 41 18 0 56 18 9 23 17 58 19 18 12 0 -0.17 145 0 0 17 46 49 23 27 59.5 78 233 42 17 42 36 17 51 3 17 39 59 17 53 40 -0.17 146 0 0 17 28 18 23 28 2.7 78 237 43 17 24 4 17 32 32 17 21 27 17 35 9 -0.17 147 0 0 17 9 35 23 28 5.9 77 241 44 17 5 21 17 13 50 17 2 44 17 16 27 -0.17 148 0 0 16 50 42 23 28 9.1 76 245 45 16 46 28 16 54 57 16 43 51 16 57 34 -0.17 149 0 0 16 31 39 23 28 12.3 76 248 46 16 27 24 16 35 54 16 24 47 16 38 31 -0.17 150 0 0 16 12 26 23 28 15.4 75 250 47 16 8 11 16 16 40 16 5 33 16 19 18 -0.17 151 0 0 15 53 3 23 28 18.6 74 253 48 15 48 48 15 57 18 15 46 10 15 59 55 -0.17 152 0 0 15 33 31 23 28 21.8 73 255 49 15 29 16 15 37 46 15 26 38 15 40 24 -0.17 153 0 0 15 13 50 23 28 24.9 72 257 50 15 9 35 15 18 5 15 6 57 15 20 43 -0.17 154 0 0 14 54 1 23 28 28.1 71 259 51 14 49 46 14 58 17 14 47 8 15 0 55 -0.17 155 0 0 14 34 4 23 28 31.2 71 261 51 14 29 49 14 38 20 14 27 11 14 40 58 -0.17 156 0 0 14 14 0 23 28 34.3 70 262 52 14 9 44 14 18 16 14 7 6 14 20 54 -0.17 157 0 0 13 53 49 23 28 37.4 69 264 53 13 49 33 13 58 4 13 46 55 14 0 43 -0.17 158 0 0 13 33 31 23 28 40.5 68 265 54 13 29 15 13 37 47 13 26 37 13 40 25 -0.17 159 0 0 13 13 7 23 28 43.6 67 266 55 13 8 51 13 17 23 13 6 12 13 20 1 -0.17 160 0 0 12 52 37 23 28 46.7 66 267 56 12 48 21 12 56 53 12 45 42 12 59 31 -0.17 161 0 0 12 32 2 23 28 49.7 65 268 57 12 27 46 12 36 18 12 25 7 12 38 57 -0.17 162 0 0 12 11 22 23 28 52.8 64 269 58 12 7 6 12 15 38 12 4 27 12 18 17 -0.17 163 0 0 11 50 38 23 28 55.8 63 270 59 11 46 22 11 54 54 11 43 43 11 57 33 -0.17 164 0 0 11 29 50 23 28 58.8 62 271 60 11 25 34 11 34 7 11 22 55 11 36 45 -0.17 165 0 0 11 8 59 23 29 1.7 61 272 61 11 4 43 11 13 16 11 2 4 11 15 54 -0.17 166 0 0 10 48 5 23 29 4.7 60 273 62 10 43 49 10 52 22 10 41 10 10 55 0 -0.17 167 0 0 10 27 9 23 29 7.6 59 273 63 10 22 52 10 31 25 10 20 14 10 34 4 -0.17 168 0 0 10 6 10 23 29 10.4 58 274 64 10 1 54 10 10 27 9 59 15 10 13 6 -0.17 169 0 0 9 45 11 23 29 13.3 57 275 64 9 40 54 9 49 27 9 38 16 9 52 6 -0.17 170 0 0 9 24 10 23 29 16.1 56 275 65 9 19 54 9 28 27 9 17 15 9 31 5 -0.17 171 0 0 9 3 9 23 29 18.9 55 276 66 8 58 53 9 7 26 8 56 14 9 10 4 -0.17 172 0 0 8 42 9 23 29 21.7 54 276 67 8 37 52 8 46 25 8 35 14 8 49 4 -0.17 173 0 0 8 21 8 23 29 24.4 53 277 68 8 16 52 8 25 25 8 14 13 8 28 3 -0.17 174 0 0 8 0 9 23 29 27.1 52 277 69 7 55 53 8 4 26 7 53 14 8 7 4 -0.17 175 0 0 7 39 12 23 29 29.7 51 277 69 7 34 55 7 43 28 7 32 17 7 46 7 -0.17 176 0 0 7 18 16 23 29 32.3 50 278 70 7 14 0 7 22 33 7 11 22 7 25 11 -0.17 177 0 0 6 57 24 23 29 34.9 49 278 71 6 53 7 7 1 40 6 50 29 7 4 18 -0.17 178 0 0 6 36 34 23 29 37.4 48 279 71 6 32 18 6 40 50 6 29 39 6 43 28 -0.17 179 0 0 6 15 48 23 29 39.9 47 279 72 6 11 32 6 20 4 6 8 53 6 22 42 -0.17 180 0 0 5 55 6 23 29 42.4 45 279 73 5 50 50 5 59 21 5 48 12 6 2 0 -0.17 -179 0 0 5 34 28 23 29 44.8 44 279 73 5 30 12 5 38 44 5 27 34 5 41 22 -0.17 -178 0 0 5 13 55 23 29 47.1 43 280 74 5 9 40 5 18 11 5 7 2 5 20 49 -0.17 -177 0 0 4 53 28 23 29 49.5 42 280 74 4 49 13 4 57 44 4 46 35 5 0 22 -0.17 -176 0 0 4 33 7 23 29 51.7 41 280 74 4 28 52 4 37 23 4 26 14 4 40 0 -0.17 -175 0 0 4 12 52 23 29 53.9 40 280 75 4 8 37 4 17 8 4 6 0 4 19 46 -0.17 -174 0 0 3 52 45 23 29 56.1 39 281 75 3 48 30 3 57 0 3 45 52 3 59 37 -0.17 -173 0 0 3 32 44 23 29 58.2 38 281 75 3 28 29 3 36 59 3 25 52 3 39 37 -0.17 -172 0 0 3 12 52 23 30 0.3 37 281 75 3 8 37 3 17 6 3 5 59 3 19 44 -0.17 -171 0 0 2 53 7 23 30 2.3 36 281 75 2 48 53 2 57 22 2 46 15 2 59 59 -0.17 -170 0 0 2 33 31 23 30 4.3 35 281 75 2 29 17 2 37 46 2 26 40 2 40 23 -0.17 -169 0 0 2 14 5 23 30 6.2 34 281 75 2 9 50 2 18 19 2 7 13 2 20 56 -0.17 -168 0 0 1 54 47 23 30 8.1 33 281 75 1 50 33 1 59 1 1 47 57 2 1 38 -0.17 -167 0 0 1 35 40 23 30 9.9 32 281 74 1 31 26 1 39 54 1 28 50 1 42 31 -0.17 -166 0 0 1 16 43 23 30 11.7 31 282 74 1 12 30 1 20 57 1 9 53 1 23 33 -0.17 -165 0 0 0 57 57 23 30 13.4 30 282 73 0 53 44 1 2 10 0 51 7 1 4 47 -0.17 -164 0 0 0 39 22 23 30 15.0 29 282 73 0 35 9 0 43 35 0 32 32 0 46 11 -0.17 -163 0 0 0 20 58 23 30 16.6 28 282 72 0 16 45 0 25 11 0 14 9 0 27 47 -0.18 -162 0 0 0 2 46 23 30 18.1 27 282 72 - 0 1 26 0 6 59 - 0 4 3 0 9 35 -0.18 -161 0 0 - 0 15 13 23 30 19.6 26 282 71 - 0 19 26 - 0 11 1 - 0 22 2 - 0 8 25 -0.18 -160 0 0 - 0 33 1 23 30 21.0 25 282 71 - 0 37 13 - 0 28 48 - 0 39 48 - 0 26 13 -0.18 -159 0 0 - 0 50 35 23 30 22.4 23 282 70 - 0 54 47 - 0 46 23 - 0 57 22 - 0 43 47 -0.18 -158 0 0 - 1 7 56 23 30 23.7 22 282 69 - 1 12 7 - 1 3 44 - 1 14 43 - 1 1 8 -0.18 -157 0 0 - 1 25 3 23 30 24.9 21 282 68 - 1 29 14 - 1 20 52 - 1 31 50 - 1 18 16 -0.18 -156 0 0 - 1 41 56 23 30 26.1 20 282 68 - 1 46 8 - 1 37 45 - 1 48 43 - 1 35 10 -0.18 -155 0 0 - 1 58 36 23 30 27.3 19 282 67 - 2 2 47 - 1 54 25 - 2 5 22 - 1 51 50 -0.18 -154 0 0 - 2 15 1 23 30 28.3 18 282 66 - 2 19 11 - 2 10 50 - 2 21 46 - 2 8 15 -0.18 -153 0 0 - 2 31 11 23 30 29.4 17 282 65 - 2 35 21 - 2 27 0 - 2 37 56 - 2 24 25 -0.18 -152 0 0 - 2 47 6 23 30 30.3 16 282 64 - 2 51 16 - 2 42 56 - 2 53 50 - 2 40 21 -0.18 -151 0 0 - 3 2 45 23 30 31.2 15 282 63 - 3 6 55 - 2 58 35 - 3 9 30 - 2 56 1 -0.18 -150 0 0 - 3 18 9 23 30 32.0 14 282 63 - 3 22 19 - 3 14 0 - 3 24 53 - 3 11 25 -0.18 -149 0 0 - 3 33 18 23 30 32.8 13 282 62 - 3 37 27 - 3 29 8 - 3 40 1 - 3 26 34 -0.18 -148 0 0 - 3 48 10 23 30 33.5 12 282 61 - 3 52 19 - 3 44 1 - 3 54 53 - 3 41 27 -0.18 -147 0 0 - 4 2 46 23 30 34.2 11 282 60 - 4 6 55 - 3 58 37 - 4 9 28 - 3 56 3 -0.18 -146 0 0 - 4 17 5 23 30 34.8 10 282 59 - 4 21 14 - 4 12 57 - 4 23 47 - 4 10 23 -0.19 -145 0 0 - 4 31 8 23 30 35.3 9 281 58 - 4 35 16 - 4 26 59 - 4 37 49 - 4 24 26 -0.19 -144 0 0 - 4 44 53 23 30 35.8 8 281 57 - 4 49 1 - 4 40 45 - 4 51 35 - 4 38 12 -0.19 -143 0 0 - 4 58 22 23 30 36.2 7 281 56 - 5 2 30 - 4 54 14 - 5 5 3 - 4 51 41 -0.19 -142 0 0 - 5 11 33 23 30 36.6 6 281 55 - 5 15 41 - 5 7 26 - 5 18 14 - 5 4 53 -0.20 -141 0 0 - 5 24 27 23 30 36.9 5 281 54 - 5 28 34 - 5 20 19 - 5 31 7 - 5 17 47 -0.20 -140 0 0 - 5 37 3 23 30 37.2 4 281 53 - 5 41 10 - 5 32 56 - 5 43 42 - 5 30 23 -0.21 -139 0 0 - 5 49 21 23 30 37.4 3 281 53 - 5 53 27 - 5 45 14 - 5 56 0 - 5 42 41 -0.22 -138 0 0 - 6 1 21 23 30 37.5 2 281 52 - 6 5 27 - 5 57 14 - 6 8 0 - 5 54 42 -0.25 -137 0 0 - 6 13 3 23 30 37.6 1 281 51 - 6 17 9 - 6 8 56 - 6 19 41 - 6 6 24 -0.36 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 841-01453-1 * constellation : Leo * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 10 32 55.2854 DE: +10 43 07.947 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 10 32 55.2856 DE: +10 43 07.946 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 12.0 * B mag [mag]: 12.4 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (2507) Bobone asteroid class: approx. diameter [km]: 15 approx. diameter ["]: 0.006 distance from Earth [AU]: 3.25560 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#55 date of fit: 2023 Apr 27 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): 0.011", 0.002", 102.275° remarks: * orbital elements for (2507)Bobone : Mean anomaly = 276.9183208454 deg Arg. of pericenter = 102.4718551510 deg Long. of node = 129.6959771099 deg Inclination = 10.3082730174 deg Eccentricity = 0.0843833732 Semimajor axis = 2.7788559288 AU Perihelion dist = 2.5443666918 AU Mag: H = 11.82, G = 0.15 Epoch of elements : MJD 60604.97753159 TDT (2024 Oct 21.9775) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#552023Apr27,0.42,2024,10,21,23.460758,0.044054,0.156772,19.113510,-5.412957,-0.004231,0.001781,-0.000001,0.000000 135.7471,10.5928,-175.79,-11.14,False TYC 841-01453-1,10.54869035,10.7188745,12.38,11.98,11.76,0.0,0,,10.57028313,10.5928433,5.51,5.28,0,0,0 2507,Bobone,17.49,14.657,3.2556,0,0,3.503,-14.63,,1.2,0 0,276.7103,2024,10,21,102.4719,129.6960,10.3083,0.08438,2.77886,2.54437,11.82,5.0,0.15 1.309,0.0113,0.0018,102,0.0019,Known errors,0.85,0,-1,-1 20241021_1453-1,60140.65 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 15:37 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org