IOTA/IOTA-ES occultation update for (771) Libera / HIP 91117 event on 2024 Oct 08, 19:21 UT Visible from Summary ------- On 2024 Oct 08 UT, the 29.3524793026418 km diameter asteroid (771) Libera will occult a 3.4 mag star in the constellation Scutum for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 12.78 mag to 16.20 mag (the magnitude of the asteroid) for at most 1.900 seconds. This update is based on, astrometry for the asteroid kindly provided by the IAU Minor Planet Center. The event at a glimpse ---------------------- * Rank: 82 * date and approx. time of event: 2024 Oct 08, 19:16 - 2024 Oct 08, 19:26 * geocentric midpoint of event [JD]: 2460592.30647146 * magnitude of target star: 3.42 * magnitude drop [mag]: 12.78 * estimated maximum duration [s]: 1.900 * Moon: 30 % sunlit, 27° distance * Sun: 84° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 40 * 1 sigma uncertainty interval [path widths]: +/- 0.64 * 1 sigma uncertainty interval [seconds]: +/- 1.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.012, +/- 0.009) * 1 sigma uncertainty ellipse (major, minor, PA): (0.012", 0.009", 83°) * approx speed of asteroid's shadow [km/s]: 18.1345 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 91117 (α Sct) by 771 Libera on 2024 Oct 8 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 -109 0 0 45 7 26 19 16 16.2 0 102 39 44 56 21 45 18 33 44 42 8 45 32 52 44 59 42 45 15 11 .... -108 0 0 44 58 25 19 16 16.3 1 103 39 44 47 19 45 9 32 44 33 5 45 23 52 44 50 40 45 6 10 -0.32 -107 0 0 44 49 9 19 16 16.4 2 103 39 44 38 2 45 0 17 44 23 47 45 14 37 44 41 24 44 56 55 -0.43 -106 0 0 44 39 39 19 16 16.6 3 104 39 44 28 31 44 50 48 44 14 16 45 5 9 44 31 53 44 47 25 -0.48 -105 0 0 44 29 55 19 16 16.9 3 105 39 44 18 46 44 41 4 44 4 30 44 55 26 44 22 9 44 37 41 -0.50 -104 0 0 44 19 56 19 16 17.2 4 106 39 44 8 47 44 31 7 43 54 30 44 45 30 44 12 10 44 27 43 -0.52 -103 0 0 44 9 44 19 16 17.6 5 106 39 43 58 34 44 20 55 43 44 16 44 35 19 44 1 57 44 17 32 -0.53 -102 0 0 43 59 18 19 16 18.1 6 107 39 43 48 7 44 10 29 43 33 48 44 24 54 43 51 30 44 7 6 -0.54 -101 0 0 43 48 37 19 16 18.6 6 108 39 43 37 26 43 59 49 43 23 6 44 14 15 43 40 49 43 56 26 -0.54 -100 0 0 43 37 43 19 16 19.2 7 108 39 43 26 31 43 48 56 43 12 10 44 3 22 43 29 54 43 45 32 -0.55 - 99 0 0 43 26 34 19 16 19.9 8 109 39 43 15 22 43 37 48 43 1 0 43 52 15 43 18 45 43 34 24 -0.55 - 98 0 0 43 15 12 19 16 20.7 8 110 39 43 3 59 43 26 26 42 49 36 43 40 55 43 7 22 43 23 2 -0.56 - 97 0 0 43 3 36 19 16 21.5 9 110 39 42 52 22 43 14 51 42 37 58 43 29 20 42 55 46 43 11 26 -0.56 - 96 0 0 42 51 46 19 16 22.4 10 111 39 42 40 31 43 3 2 42 26 7 43 17 32 42 43 56 42 59 37 -0.56 - 95 0 0 42 39 43 19 16 23.4 11 112 39 42 28 27 42 50 59 42 14 2 43 5 31 42 31 52 42 47 34 -0.56 - 94 0 0 42 27 26 19 16 24.4 12 112 39 42 16 10 42 38 43 42 1 43 42 53 15 42 19 34 42 35 18 -0.57 - 93 0 0 42 14 55 19 16 25.6 12 113 38 42 3 38 42 26 13 41 49 11 42 40 47 42 7 3 42 22 48 -0.57 - 92 0 0 42 2 11 19 16 26.8 13 114 38 41 50 54 42 13 30 41 36 26 42 28 4 41 54 19 42 10 5 -0.57 - 91 0 0 41 49 14 19 16 28.1 14 115 38 41 37 56 42 0 34 41 23 27 42 15 9 41 41 21 41 57 8 -0.57 - 90 0 0 41 36 4 19 16 29.5 15 115 38 41 24 45 41 47 24 41 10 15 42 2 0 41 28 11 41 43 58 -0.57 - 89 0 0 41 22 41 19 16 30.9 15 116 38 41 11 21 41 34 2 40 56 50 41 48 39 41 14 47 41 30 35 -0.57 - 88 0 0 41 9 4 19 16 32.5 16 117 38 40 57 44 41 20 26 40 43 12 41 35 4 41 1 10 41 17 0 -0.57 - 87 0 0 40 55 15 19 16 34.1 17 117 37 40 43 54 41 6 38 40 29 22 41 21 16 40 47 21 41 3 11 -0.57 - 86 0 0 40 41 14 19 16 35.8 18 118 37 40 29 52 40 52 37 40 15 19 41 7 16 40 33 18 40 49 10 -0.57 - 85 0 0 40 27 0 19 16 37.6 19 119 37 40 15 37 40 38 23 40 1 3 40 53 4 40 19 4 40 34 56 -0.57 - 84 0 0 40 12 33 19 16 39.4 19 119 37 40 1 10 40 23 57 39 46 35 40 38 39 40 4 37 40 20 30 -0.58 - 83 0 0 39 57 54 19 16 41.4 20 120 37 39 46 31 40 9 19 39 31 54 40 24 1 39 49 58 40 5 52 -0.58 - 82 0 0 39 43 3 19 16 43.4 21 121 36 39 31 39 39 54 29 39 17 2 40 9 12 39 35 6 39 51 1 -0.58 - 81 0 0 39 28 1 19 16 45.5 22 122 36 39 16 36 39 39 27 39 1 58 39 54 11 39 20 3 39 35 59 -0.58 - 80 0 0 39 12 47 19 16 47.7 22 122 36 39 1 21 39 24 14 38 46 43 39 38 58 39 4 49 39 20 45 -0.58 - 79 0 0 38 57 21 19 16 50.0 23 123 35 38 45 55 39 8 48 38 31 16 39 23 34 38 49 22 39 5 20 -0.58 - 78 0 0 38 41 44 19 16 52.4 24 124 35 38 30 17 38 53 12 38 15 37 39 7 58 38 33 45 38 49 44 -0.58 - 77 0 0 38 25 56 19 16 54.9 25 125 35 38 14 29 38 37 25 37 59 48 38 52 11 38 17 57 38 33 56 -0.58 - 76 0 0 38 9 57 19 16 57.5 26 125 34 37 58 30 38 21 27 37 43 48 38 36 14 38 1 58 38 17 58 -0.58 - 75 0 0 37 53 48 19 17 0.1 26 126 34 37 42 20 38 5 18 37 27 38 38 20 6 37 45 48 38 1 49 -0.58 - 74 0 0 37 37 29 19 17 2.8 27 127 33 37 26 0 37 48 59 37 11 17 38 3 48 37 29 28 37 45 30 -0.58 - 73 0 0 37 20 59 19 17 5.7 28 127 33 37 9 30 37 32 30 36 54 46 37 47 19 37 12 58 37 29 0 -0.58 - 72 0 0 37 4 20 19 17 8.6 29 128 33 36 52 50 37 15 51 36 38 6 37 30 41 36 56 19 37 12 21 -0.58 - 71 0 0 36 47 31 19 17 11.6 30 129 32 36 36 1 36 59 3 36 21 16 37 13 53 36 39 30 36 55 33 -0.58 - 70 0 0 36 30 33 19 17 14.7 31 130 32 36 19 2 36 42 5 36 4 17 36 56 56 36 22 31 36 38 35 -0.58 - 69 0 0 36 13 26 19 17 17.8 31 131 31 36 1 55 36 24 58 35 47 9 36 39 50 36 5 24 36 21 28 -0.58 - 68 0 0 35 56 10 19 17 21.1 32 131 31 35 44 39 36 7 43 35 29 53 36 22 35 35 48 8 36 4 13 -0.58 - 67 0 0 35 38 46 19 17 24.5 33 132 30 35 27 14 35 50 19 35 12 28 36 5 12 35 30 44 35 46 49 -0.58 - 66 0 0 35 21 14 19 17 27.9 34 133 30 35 9 42 35 32 48 34 54 55 35 47 41 35 13 11 35 29 17 -0.58 - 65 0 0 35 3 34 19 17 31.5 35 134 29 34 52 2 35 15 8 34 37 15 35 30 2 34 55 32 35 11 38 -0.58 - 64 0 0 34 45 48 19 17 35.1 35 135 29 34 34 15 34 57 22 34 19 27 35 12 16 34 37 44 34 53 51 -0.58 - 63 0 0 34 27 54 19 17 38.8 36 136 28 34 16 21 34 39 28 34 1 33 34 54 22 34 19 50 34 35 58 -0.58 - 62 0 0 34 9 53 19 17 42.6 37 136 27 33 58 20 34 21 28 33 43 32 34 36 22 34 1 50 34 17 57 -0.59 - 61 0 0 33 51 47 19 17 46.5 38 137 27 33 40 13 34 3 21 33 25 25 34 18 16 33 43 43 33 59 51 -0.59 - 60 0 0 33 33 34 19 17 50.5 39 138 26 33 22 0 33 45 9 33 7 12 34 0 4 33 25 30 33 41 38 -0.59 - 59 0 0 33 15 16 19 17 54.5 39 139 26 33 3 42 33 26 51 32 48 53 33 41 46 33 7 12 33 23 21 -0.59 - 58 0 0 32 56 53 19 17 58.7 40 140 25 32 45 19 33 8 28 32 30 30 33 23 24 32 48 49 33 4 58 -0.59 - 57 0 0 32 38 25 19 18 2.9 41 141 24 32 26 51 32 50 1 32 12 2 33 4 56 32 30 22 32 46 30 -0.59 - 56 0 0 32 19 53 19 18 7.2 42 142 24 32 8 19 32 31 29 31 53 30 32 46 25 32 11 50 32 27 58 -0.59 - 55 0 0 32 1 18 19 18 11.6 42 143 23 31 49 44 32 12 53 31 34 54 32 27 49 31 53 14 32 9 22 -0.59 - 54 0 0 31 42 39 19 18 16.1 43 144 22 31 31 4 31 54 14 31 16 15 32 9 10 31 34 35 31 50 43 -0.59 - 53 0 0 31 23 56 19 18 20.6 44 145 22 31 12 22 31 35 32 30 57 33 31 50 28 31 15 52 31 32 1 -0.59 - 52 0 0 31 5 12 19 18 25.3 45 146 21 30 53 38 31 16 47 30 38 48 31 31 43 30 57 8 31 13 16 -0.59 - 51 0 0 30 46 25 19 18 30.0 45 147 20 30 34 51 30 58 0 30 20 2 31 12 56 30 38 21 30 54 30 -0.59 - 50 0 0 30 27 37 19 18 34.7 46 148 20 30 16 3 30 39 12 30 1 14 30 54 7 30 19 33 30 35 41 -0.59 - 49 0 0 30 8 47 19 18 39.6 47 149 19 29 57 13 30 20 22 29 42 24 30 35 17 30 0 43 30 16 51 -0.59 - 48 0 0 29 49 57 19 18 44.5 48 151 18 29 38 23 30 1 32 29 23 34 30 16 27 29 41 53 29 58 1 -0.59 - 47 0 0 29 31 6 19 18 49.5 48 152 17 29 19 33 29 42 41 29 4 44 29 57 36 29 23 2 29 39 10 -0.59 - 46 0 0 29 12 16 19 18 54.6 49 153 17 29 0 42 29 23 50 28 45 54 29 38 45 29 4 12 29 20 20 -0.59 - 45 0 0 28 53 26 19 18 59.8 50 154 16 28 41 53 29 5 0 28 27 5 29 19 54 28 45 23 29 1 30 -0.59 - 44 0 0 28 34 37 19 19 5.0 50 156 15 28 23 5 28 46 11 28 8 17 29 1 5 28 26 34 28 42 41 -0.59 - 43 0 0 28 15 50 19 19 10.2 51 157 14 28 4 18 28 27 24 27 49 31 28 42 18 28 7 48 28 23 54 -0.59 - 42 0 0 27 57 6 19 19 15.6 52 158 14 27 45 33 28 8 39 27 30 47 28 23 32 27 49 3 28 5 9 -0.59 - 41 0 0 27 38 23 19 19 21.0 52 160 13 27 26 52 27 49 57 27 12 5 28 4 49 27 30 21 27 46 26 -0.59 - 40 0 0 27 19 44 19 19 26.4 53 161 12 27 8 13 27 31 17 26 53 27 27 46 9 27 11 42 27 27 47 -0.59 - 39 0 0 27 1 8 19 19 31.9 53 163 11 26 49 37 27 12 41 26 34 52 27 27 32 26 53 7 27 9 11 -0.59 - 38 0 0 26 42 37 19 19 37.5 54 164 10 26 31 6 26 54 9 26 16 21 27 9 0 26 34 35 26 50 39 -0.59 - 37 0 0 26 24 10 19 19 43.1 55 166 10 26 12 39 26 35 41 25 57 55 26 50 32 26 16 8 26 32 12 -0.59 - 36 0 0 26 5 47 19 19 48.8 55 167 9 25 54 18 26 17 19 25 39 34 26 32 8 25 57 47 26 13 49 -0.59 - 35 0 0 25 47 31 19 19 54.5 56 169 8 25 36 1 25 59 1 25 21 18 26 13 51 25 39 30 25 55 32 -0.59 - 34 0 0 25 29 20 19 20 0.2 56 171 7 25 17 51 25 40 50 25 3 9 25 55 39 25 21 20 25 37 21 -0.60 - 33 0 0 25 11 15 19 20 6.0 56 172 6 24 59 47 25 22 45 24 45 5 25 37 33 25 3 16 25 19 16 -0.60 - 32 0 0 24 53 18 19 20 11.8 57 174 5 24 41 50 25 4 47 24 27 9 25 19 34 24 45 18 25 1 18 -0.60 - 31 0 0 24 35 28 19 20 17.7 57 176 4 24 24 0 24 46 56 24 9 20 25 1 43 24 27 28 24 43 27 -0.60 - 30 0 0 24 17 45 19 20 23.6 58 178 4 24 6 19 24 29 13 23 51 39 24 43 59 24 9 46 24 25 45 -0.60 - 29 0 0 24 0 11 19 20 29.5 58 180 3 23 48 45 24 11 38 23 34 6 24 26 23 23 52 13 24 8 10 -0.60 - 28 0 0 23 42 45 19 20 35.5 58 182 2 23 31 20 23 54 12 23 16 42 24 8 56 23 34 48 23 50 44 -0.60 - 27 0 0 23 25 29 19 20 41.5 58 184 1 23 14 4 23 36 55 22 59 27 23 51 39 23 17 32 23 33 27 -0.60 - 26 0 0 23 8 22 19 20 47.5 59 186 0 22 56 58 23 19 48 22 42 21 23 34 30 23 0 25 23 16 20 -0.60 - 25 0 0 22 51 25 19 20 53.5 59 188 -1 22 40 2 23 2 50 22 25 26 23 17 32 22 43 29 22 59 23 -0.60 - 24 0 0 22 34 39 19 20 59.5 59 190 -2 22 23 16 22 46 3 22 8 41 23 0 44 22 26 43 22 42 36 -0.60 - 23 0 0 22 18 4 19 21 5.6 59 192 -3 22 6 42 22 29 27 21 52 7 22 44 7 22 10 8 22 26 0 -0.60 - 22 0 0 22 1 40 19 21 11.7 59 194 -4 21 50 18 22 13 2 21 35 45 22 27 42 21 53 44 22 9 35 -0.60 - 21 0 0 21 45 27 19 21 17.7 59 196 -5 21 34 6 21 56 49 21 19 34 22 11 28 21 37 32 21 53 23 -0.60 - 20 0 0 21 29 27 19 21 23.8 59 198 -6 21 18 7 21 40 48 21 3 35 21 55 26 21 21 33 21 37 22 -0.60 - 19 0 0 21 13 39 19 21 29.9 59 200 -6 21 2 20 21 25 0 20 47 49 21 39 36 21 5 45 21 21 33 -0.60 - 18 0 0 20 58 4 19 21 36.0 59 202 -7 20 46 45 21 9 24 20 32 15 21 24 0 20 50 11 21 5 58 -0.60 - 17 0 0 20 42 42 19 21 42.0 59 204 -8 20 31 24 20 54 1 20 16 55 21 8 36 20 34 49 20 50 36 -0.60 - 16 0 0 20 27 34 19 21 48.1 59 206 -9 20 16 17 20 38 53 20 1 49 20 53 26 20 19 42 20 35 27 -0.60 - 15 0 0 20 12 40 19 21 54.2 58 208 -10 20 1 23 20 23 58 19 46 56 20 38 31 20 4 48 20 20 32 -0.60 - 14 0 0 19 58 0 19 22 0.2 58 210 -11 19 46 44 20 9 17 19 32 18 20 23 49 19 50 9 20 5 52 -0.60 - 13 0 0 19 43 35 19 22 6.2 58 212 -12 19 32 20 19 54 52 19 17 55 20 9 23 19 35 44 19 51 27 -0.60 - 12 0 0 19 29 25 19 22 12.2 58 213 -13 19 18 11 19 40 41 19 3 47 19 55 11 19 21 35 19 37 16 -0.60 - 11 0 0 19 15 31 19 22 18.2 57 215 -14 19 4 17 19 26 46 18 49 54 19 41 15 19 7 41 19 23 21 -0.60 - 10 0 0 19 1 52 19 22 24.2 57 217 -15 18 50 39 19 13 6 18 36 16 19 27 34 18 54 2 19 9 42 -0.60 - 9 0 0 18 48 29 19 22 30.1 56 219 -16 18 37 16 18 59 42 18 22 55 19 14 9 18 40 40 18 56 18 -0.60 - 8 0 0 18 35 22 19 22 36.1 56 220 -17 18 24 10 18 46 35 18 9 50 19 1 1 18 27 34 18 43 11 -0.60 - 7 0 0 18 22 32 19 22 41.9 55 222 -18 18 11 21 18 33 44 17 57 1 18 48 9 18 14 44 18 30 20 -0.60 - 6 0 0 18 9 59 19 22 47.8 55 223 -19 17 58 48 18 21 10 17 44 30 18 35 34 18 2 11 18 17 46 -0.60 - 5 0 0 17 57 42 19 22 53.6 54 225 -20 17 46 33 18 8 53 17 32 15 18 23 17 17 49 56 18 5 30 -0.60 - 4 0 0 17 45 44 19 22 59.4 54 226 -21 17 34 35 17 56 54 17 20 18 18 11 16 17 37 57 17 53 30 -0.60 - 3 0 0 17 34 2 19 23 5.1 53 228 -22 17 22 54 17 45 12 17 8 38 17 59 34 17 26 16 17 41 49 -0.60 - 2 0 0 17 22 39 19 23 10.8 53 229 -23 17 11 32 17 33 48 16 57 16 17 48 9 17 14 54 17 30 25 -0.60 - 1 0 0 17 11 34 19 23 16.4 52 230 -24 17 0 27 17 22 42 16 46 13 17 37 2 17 3 49 17 19 19 -0.60 0 0 0 17 0 47 19 23 22.0 51 232 -25 16 49 41 17 11 54 16 35 27 17 26 14 16 53 3 17 8 32 -0.60 1 0 0 16 50 19 19 23 27.5 51 233 -26 16 39 13 17 1 26 16 25 0 17 15 44 16 42 35 16 58 3 -0.60 2 0 0 16 40 9 19 23 33.0 50 234 -27 16 29 4 16 51 15 16 14 52 17 5 33 16 32 26 16 47 53 -0.60 3 0 0 16 30 19 19 23 38.4 49 235 -28 16 19 14 16 41 24 16 5 3 16 55 41 16 22 35 16 38 2 -0.60 4 0 0 16 20 47 19 23 43.8 49 236 -29 16 9 44 16 31 52 15 55 33 16 46 8 16 13 4 16 28 31 -0.60 5 0 0 16 11 35 19 23 49.1 48 237 -30 16 0 32 16 22 39 15 46 22 16 36 55 16 3 53 16 19 18 -0.60 6 0 0 16 2 42 19 23 54.3 47 238 -31 15 51 40 16 13 46 15 37 31 16 28 1 15 55 0 16 10 25 -0.61 7 0 0 15 54 9 19 23 59.5 46 239 -32 15 43 7 16 5 13 15 28 59 16 19 26 15 46 28 16 1 52 -0.61 8 0 0 15 45 56 19 24 4.6 46 240 -33 15 34 55 15 56 59 15 20 47 16 11 12 15 38 15 15 53 38 -0.61 9 0 0 15 38 3 19 24 9.6 45 241 -34 15 27 2 15 49 5 15 12 55 16 3 18 15 30 22 15 45 44 -0.61 10 0 0 15 30 30 19 24 14.6 44 242 -35 15 19 29 15 41 31 15 5 23 15 55 43 15 22 49 15 38 11 -0.61 11 0 0 15 23 17 19 24 19.5 43 243 -36 15 12 17 15 34 18 14 58 11 15 48 29 15 15 37 15 30 58 -0.61 12 0 0 15 16 24 19 24 24.3 42 243 -37 15 5 25 15 27 25 14 51 20 15 41 36 15 8 44 15 24 5 -0.61 13 0 0 15 9 52 19 24 29.0 42 244 -38 14 58 53 15 20 52 14 44 49 15 35 2 15 2 13 15 17 32 -0.61 14 0 0 15 3 41 19 24 33.7 41 245 -39 14 52 42 15 14 40 14 38 38 15 28 50 14 56 1 15 11 20 -0.61 15 0 0 14 57 50 19 24 38.3 40 246 -40 14 46 51 15 8 49 14 32 48 15 22 58 14 50 11 15 5 29 -0.61 16 0 0 14 52 19 19 24 42.8 39 246 -41 14 41 22 15 3 18 14 27 18 15 17 27 14 44 41 14 59 59 -0.61 17 0 0 14 47 10 19 24 47.2 38 247 -42 14 36 12 14 58 9 14 22 10 15 12 16 14 39 31 14 54 49 -0.61 18 0 0 14 42 21 19 24 51.5 37 247 -43 14 31 24 14 53 20 14 17 22 15 7 27 14 34 43 14 50 0 -0.61 19 0 0 14 37 54 19 24 55.7 36 248 -44 14 26 57 14 48 52 14 12 55 15 2 59 14 30 16 14 45 32 -0.61 20 0 0 14 33 47 19 24 59.8 35 249 -44 14 22 51 14 44 45 14 8 49 14 58 51 14 26 9 14 41 25 -0.61 21 0 0 14 30 2 19 25 3.9 35 249 -45 14 19 5 14 40 59 14 5 4 14 55 5 14 22 24 14 37 40 -0.61 22 0 0 14 26 37 19 25 7.8 34 250 -46 14 15 41 14 37 34 14 1 40 14 51 40 14 19 0 14 34 15 -0.61 23 0 0 14 23 34 19 25 11.7 33 250 -47 14 12 38 14 34 31 13 58 38 14 48 36 14 15 57 14 31 12 -0.61 24 0 0 14 20 52 19 25 15.5 32 251 -48 14 9 56 14 31 48 13 55 56 14 45 54 14 13 15 14 28 29 -0.61 25 0 0 14 18 31 19 25 19.1 31 251 -49 14 7 35 14 29 27 13 53 35 14 43 32 14 10 54 14 26 8 -0.61 26 0 0 14 16 31 19 25 22.7 30 252 -50 14 5 36 14 27 27 13 51 36 14 41 32 14 8 54 14 24 8 -0.61 27 0 0 14 14 52 19 25 26.2 29 252 -51 14 3 57 14 25 48 13 49 58 14 39 53 14 7 16 14 22 30 -0.61 28 0 0 14 13 35 19 25 29.5 28 252 -52 14 2 40 14 24 31 13 48 41 14 38 36 14 5 58 14 21 12 -0.61 29 0 0 14 12 39 19 25 32.8 27 253 -53 14 1 44 14 23 35 13 47 45 14 37 39 14 5 2 14 20 16 -0.61 30 0 0 14 12 4 19 25 36.0 26 253 -54 14 1 9 14 23 0 13 47 10 14 37 4 14 4 27 14 19 41 -0.61 31 0 0 14 11 50 19 25 39.0 25 254 -55 14 0 56 14 22 46 13 46 57 14 36 50 14 4 14 14 19 27 -0.61 32 0 0 14 11 58 19 25 42.0 24 254 -56 14 1 3 14 22 53 13 47 4 14 36 57 14 4 21 14 19 35 -0.61 33 0 0 14 12 26 19 25 44.8 23 254 -57 14 1 32 14 23 22 13 47 33 14 37 26 14 4 50 14 20 3 -0.61 34 0 0 14 13 16 19 25 47.5 22 255 -58 14 2 21 14 24 11 13 48 22 14 38 16 14 5 39 14 20 53 -0.61 35 0 0 14 14 26 19 25 50.2 22 255 -59 14 3 32 14 25 22 13 49 33 14 39 26 14 6 50 14 22 3 -0.61 36 0 0 14 15 58 19 25 52.7 21 255 -60 14 5 3 14 26 54 13 51 4 14 40 58 14 8 22 14 23 35 -0.61 37 0 0 14 17 51 19 25 55.1 20 256 -61 14 6 56 14 28 47 13 52 57 14 42 51 14 10 14 14 25 28 -0.61 38 0 0 14 20 4 19 25 57.4 19 256 -62 14 9 9 14 31 0 13 55 10 14 45 5 14 12 28 14 27 41 -0.61 39 0 0 14 22 38 19 25 59.6 18 256 -63 14 11 43 14 33 35 13 57 44 14 47 39 14 15 2 14 30 16 -0.61 40 0 0 14 25 34 19 26 1.6 17 257 -64 14 14 38 14 36 30 14 0 39 14 50 35 14 17 57 14 33 11 -0.61 41 0 0 14 28 49 19 26 3.6 16 257 -65 14 17 54 14 39 46 14 3 54 14 53 51 14 21 12 14 36 27 -0.61 42 0 0 14 32 26 19 26 5.4 15 257 -66 14 21 30 14 43 22 14 7 30 14 57 28 14 24 49 14 40 3 -0.61 43 0 0 14 36 22 19 26 7.2 14 258 -67 14 25 27 14 47 19 14 11 26 15 1 25 14 28 45 14 44 0 -0.61 44 0 0 14 40 39 19 26 8.8 13 258 -67 14 29 44 14 51 37 14 15 43 15 5 42 14 33 2 14 48 17 -0.62 45 0 0 14 45 17 19 26 10.3 12 258 -68 14 34 21 14 56 14 14 20 20 15 10 20 14 37 39 14 52 55 -0.62 46 0 0 14 50 15 19 26 11.7 11 258 -69 14 39 18 15 1 12 14 25 17 15 15 19 14 42 37 14 57 53 -0.62 47 0 0 14 55 32 19 26 12.9 10 259 -70 14 44 36 15 6 30 14 30 34 15 20 37 14 47 55 15 3 11 -0.62 48 0 0 15 1 10 19 26 14.1 9 259 -71 14 50 13 15 12 8 14 36 11 15 26 16 14 53 32 15 8 49 -0.62 49 0 0 15 7 7 19 26 15.1 8 259 -72 14 56 10 15 18 6 14 42 8 15 32 14 14 59 29 15 14 46 -0.63 50 0 0 15 13 25 19 26 16.0 7 259 -73 15 2 27 15 24 23 14 48 24 15 38 32 15 5 46 15 21 4 -0.63 51 0 0 15 20 1 19 26 16.8 6 260 -73 15 9 3 15 31 1 14 55 0 15 45 9 15 12 22 15 27 41 -0.63 52 0 0 15 26 57 19 26 17.5 5 260 -74 15 15 59 15 37 57 15 1 55 15 52 6 15 19 18 15 34 37 -0.64 53 0 0 15 34 13 19 26 18.1 4 260 -75 15 23 14 15 45 13 15 9 9 15 59 22 15 26 33 15 41 53 -0.65 54 0 0 15 41 47 19 26 18.5 3 261 -76 15 30 48 15 52 47 15 16 43 16 6 58 15 34 7 15 49 27 -0.67 55 0 0 15 49 40 19 26 18.8 2 261 -76 15 38 41 16 0 41 15 24 35 16 14 52 15 42 0 15 57 21 -0.70 56 0 0 15 57 52 19 26 19.0 1 261 -77 15 46 52 16 8 53 15 32 46 16 23 5 15 50 12 16 5 33 -0.78 57 0 0 16 6 23 19 26 19.1 0 261 -77 15 55 22 16 17 24 15 41 15 16 31 36 15 58 42 16 14 4 -1.50 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: HIP 91117 * constellation : Scutum * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 18 35 12.3975 DE: -08 14 46.427 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 18 35 12.3964 DE: -08 14 46.428 * position source: UBSC * standard error: RA,DE [mas]: (9.400,9.100) * V mag [mag]: 3.4 * B mag [mag]: 4.2 * Diameter [mas]: 2.30 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (771) Libera asteroid class: approx. diameter [km]: 29 approx. diameter ["]: 0.013 distance from Earth [AU]: 3.10380 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#94 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): 0.008", 0.002", 82.442° remarks: * orbital elements for (771)Libera : Mean anomaly = 229.5042128328 deg Arg. of pericenter = 228.6555235767 deg Long. of node = 217.8527893735 deg Inclination = 14.8924450223 deg Eccentricity = 0.2477005526 Semimajor axis = 2.6516176402 AU Perihelion dist = 1.9948104855 AU Mag: H = 10.30, G = 0.15 Epoch of elements : MJD 60591.80646537 TDT (2024 Oct 08.8065) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#942023Apr24,1.90,2024,10,8,19.355315,0.134809,0.495183,9.901770,-2.592763,0.005791,0.000565,0.000000,0.000000 -29.1063,-8.2260,-113.50,-6.30,False HIP 91117,18.58677710,-8.2462295,4.19,3.42,3.00,2.3,0,,18.60914634,-8.2259610,12.78,12.74,0,0,0 771,Libera,16.20,34.530,3.1038,0,0,1.890,-7.34,,1.8,0 0,229.3201,2024,10,8,228.6555,217.8528,14.8924,0.24770,2.65162,1.99481,10.30,5.0,0.15 1.642,0.0123,0.0094,83,0.0099,Known errors,-3.00,0,-1,-1 20241008__91117,60140.62 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 14:52 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org