IOTA/IOTA-ES occultation update for (2312) Duboshin / TYC 5566-00338-1 event on 2024 Apr 06, 18:38 UT Visible from Summary ------- On 2024 Apr 06 UT, the 53.3685090661167 km diameter asteroid (2312) Duboshin will occult a 10.3 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 6.44 mag to 16.69 mag (the magnitude of the asteroid) for at most 3.560 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 Apr 06, 18:31 - 2024 Apr 06, 18:45 * geocentric midpoint of event [JD]: 2460407.27690062 * magnitude of target star: 10.25 * magnitude drop [mag]: 6.44 * estimated maximum duration [s]: 3.560 * Moon: 6 % sunlit, 131° distance * Sun: 159° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 56 * 1 sigma uncertainty interval [path widths]: +/- 0.28 * 1 sigma uncertainty interval [seconds]: +/- 2.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.011, +/- 0.007) * 1 sigma uncertainty ellipse (major, minor, PA): (0.011", 0.006", 112°) * approx speed of asteroid's shadow [km/s]: 15.0507 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5566-00338-1 by 2312 Duboshin on 2024 Apr 6 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 18 0 0 34 3 58 18 45 26.7 1 104 -19 34 19 44 33 48 14 34 28 40 33 39 20 .... 19 0 0 33 51 35 18 45 26.6 1 104 -20 34 7 22 33 35 50 34 16 19 33 26 55 -0.16 20 0 0 33 38 55 18 45 26.4 2 105 -21 33 54 43 33 23 9 34 3 41 33 14 13 -0.23 21 0 0 33 25 58 18 45 26.1 3 106 -22 33 41 47 33 10 11 33 50 46 33 1 15 -0.25 22 0 0 33 12 45 18 45 25.7 4 106 -23 33 28 35 32 56 56 33 37 34 32 47 59 -0.27 23 0 0 32 59 15 18 45 25.2 5 107 -24 33 15 6 32 43 25 33 24 6 32 34 27 -0.28 24 0 0 32 45 28 18 45 24.5 6 107 -24 33 1 21 32 29 37 33 10 21 32 20 39 -0.29 25 0 0 32 31 25 18 45 23.8 7 108 -25 32 47 19 32 15 33 32 56 20 32 6 34 -0.29 26 0 0 32 17 6 18 45 23.0 7 108 -26 32 33 1 32 1 12 32 42 3 31 52 13 -0.30 27 0 0 32 2 31 18 45 22.1 8 109 -27 32 18 27 31 46 36 32 27 29 31 37 36 -0.30 28 0 0 31 47 40 18 45 21.0 9 109 -28 32 3 37 31 31 44 32 12 40 31 22 43 -0.30 29 0 0 31 32 33 18 45 19.9 10 110 -29 31 48 31 31 16 36 31 57 35 31 7 34 -0.31 30 0 0 31 17 10 18 45 18.6 11 110 -30 31 33 10 31 1 12 31 42 14 30 52 10 -0.31 31 0 0 31 1 33 18 45 17.2 12 111 -30 31 17 34 30 45 33 31 26 39 30 36 31 -0.31 32 0 0 30 45 40 18 45 15.8 13 111 -31 31 1 42 30 29 39 31 10 47 30 20 36 -0.31 33 0 0 30 29 32 18 45 14.2 14 112 -32 30 45 35 30 13 30 30 54 41 30 4 26 -0.31 34 0 0 30 13 9 18 45 12.5 15 112 -33 30 29 14 29 57 7 30 38 20 29 48 2 -0.31 35 0 0 29 56 32 18 45 10.7 15 113 -34 30 12 37 29 40 28 30 21 45 29 31 23 -0.32 36 0 0 29 39 41 18 45 8.7 16 114 -35 29 55 47 29 23 36 30 4 55 29 14 30 -0.32 37 0 0 29 22 35 18 45 6.7 17 114 -36 29 38 42 29 6 29 29 47 51 28 57 23 -0.32 38 0 0 29 5 16 18 45 4.6 18 115 -37 29 21 24 28 49 9 29 30 33 28 40 2 -0.32 39 0 0 28 47 43 18 45 2.3 19 115 -37 29 3 52 28 31 35 29 13 2 28 22 27 -0.32 40 0 0 28 29 56 18 44 59.9 20 116 -38 28 46 7 28 13 47 28 55 17 28 4 39 -0.32 41 0 0 28 11 57 18 44 57.4 21 116 -39 28 28 8 27 55 47 28 37 19 27 46 38 -0.32 42 0 0 27 53 45 18 44 54.8 22 117 -40 28 9 57 27 37 34 28 19 8 27 28 25 -0.32 43 0 0 27 35 20 18 44 52.1 23 117 -41 27 51 33 27 19 8 28 0 45 27 9 58 -0.32 44 0 0 27 16 43 18 44 49.2 24 118 -42 27 32 57 27 0 30 27 42 10 26 51 20 -0.32 45 0 0 26 57 54 18 44 46.3 25 118 -43 27 14 9 26 41 41 27 23 22 26 32 30 -0.32 46 0 0 26 38 54 18 44 43.2 26 119 -44 26 55 10 26 22 40 27 4 23 26 13 29 -0.32 47 0 0 26 19 43 18 44 40.0 26 119 -44 26 35 59 26 3 28 26 45 13 25 54 16 -0.32 48 0 0 26 0 20 18 44 36.7 27 120 -45 26 16 38 25 44 5 26 25 52 25 34 53 -0.32 49 0 0 25 40 47 18 44 33.2 28 120 -46 25 57 5 25 24 31 26 6 20 25 15 19 -0.32 50 0 0 25 21 4 18 44 29.7 29 121 -47 25 37 23 25 4 47 25 46 38 24 55 34 -0.32 51 0 0 25 1 11 18 44 26.0 30 121 -48 25 17 31 24 44 54 25 26 46 24 35 41 -0.32 52 0 0 24 41 9 18 44 22.3 31 122 -49 24 57 29 24 24 51 25 6 45 24 15 37 -0.32 53 0 0 24 20 58 18 44 18.4 32 122 -50 24 37 18 24 4 39 24 46 34 23 55 25 -0.32 54 0 0 24 0 37 18 44 14.4 33 123 -50 24 16 58 23 44 18 24 26 15 23 35 4 -0.32 55 0 0 23 40 9 18 44 10.3 34 123 -51 23 56 31 23 23 49 24 5 47 23 14 35 -0.33 56 0 0 23 19 33 18 44 6.0 35 124 -52 23 35 55 23 3 12 23 45 12 22 53 58 -0.33 57 0 0 22 58 49 18 44 1.7 36 124 -53 23 15 11 22 42 28 23 24 29 22 33 13 -0.33 58 0 0 22 37 58 18 43 57.2 37 125 -54 22 54 21 22 21 37 23 3 38 22 12 22 -0.33 59 0 0 22 17 1 18 43 52.7 38 125 -55 22 33 24 22 0 39 22 42 41 21 51 24 -0.33 60 0 0 21 55 57 18 43 48.0 39 126 -55 22 12 21 21 39 36 22 21 38 21 30 20 -0.33 61 0 0 21 34 48 18 43 43.2 40 127 -56 21 51 12 21 18 26 22 0 30 21 9 11 -0.33 62 0 0 21 13 34 18 43 38.3 41 127 -57 21 29 57 20 57 11 21 39 15 20 47 56 -0.33 63 0 0 20 52 14 18 43 33.3 41 128 -58 21 8 38 20 35 52 21 17 56 20 26 36 -0.33 64 0 0 20 30 50 18 43 28.2 42 128 -59 20 47 14 20 14 28 20 56 32 20 5 12 -0.33 65 0 0 20 9 23 18 43 23.0 43 129 -59 20 25 47 19 53 0 20 35 5 19 43 44 -0.33 66 0 0 19 47 51 18 43 17.7 44 130 -60 20 4 15 19 31 29 20 13 34 19 22 13 -0.33 67 0 0 19 26 17 18 43 12.3 45 130 -61 19 42 41 19 9 55 19 51 59 19 0 39 -0.33 68 0 0 19 4 40 18 43 6.8 46 131 -62 19 21 4 18 48 18 19 30 23 18 39 2 -0.33 69 0 0 18 43 2 18 43 1.2 47 132 -62 18 59 26 18 26 39 19 8 44 18 17 24 -0.33 70 0 0 18 21 21 18 42 55.5 48 132 -63 18 37 45 18 4 59 18 47 3 17 55 44 -0.33 71 0 0 17 59 40 18 42 49.7 49 133 -64 18 16 3 17 43 18 18 25 21 17 34 2 -0.33 72 0 0 17 37 58 18 42 43.9 50 134 -64 17 54 21 17 21 36 18 3 39 17 12 21 -0.33 73 0 0 17 16 15 18 42 37.9 51 134 -65 17 32 38 16 59 54 17 41 56 16 50 39 -0.33 74 0 0 16 54 33 18 42 31.8 52 135 -66 17 10 56 16 38 12 17 20 14 16 28 57 -0.33 75 0 0 16 32 52 18 42 25.7 53 136 -66 16 49 15 16 16 32 16 58 32 16 7 17 -0.33 76 0 0 16 11 13 18 42 19.5 53 137 -67 16 27 34 15 54 52 16 36 51 15 45 38 -0.33 77 0 0 15 49 35 18 42 13.2 54 138 -67 16 5 56 15 33 15 16 15 13 15 24 0 -0.33 78 0 0 15 27 59 18 42 6.8 55 139 -68 15 44 20 15 11 39 15 53 36 15 2 25 -0.33 79 0 0 15 6 26 18 42 0.4 56 140 -68 15 22 46 14 50 7 15 32 2 14 40 53 -0.33 80 0 0 14 44 56 18 41 53.8 57 141 -68 15 1 16 14 28 38 15 10 32 14 19 24 -0.33 81 0 0 14 23 30 18 41 47.2 58 142 -69 14 39 49 14 7 12 14 49 5 13 57 59 -0.33 82 0 0 14 2 8 18 41 40.6 59 143 -69 14 18 26 13 45 51 14 27 42 13 36 38 -0.33 83 0 0 13 40 50 18 41 33.8 60 144 -69 13 57 8 13 24 34 14 6 23 13 15 21 -0.33 84 0 0 13 19 38 18 41 27.1 60 145 -70 13 35 55 13 3 22 13 45 10 12 54 10 -0.33 85 0 0 12 58 31 18 41 20.2 61 146 -70 13 14 48 12 42 16 13 24 2 12 33 5 -0.33 86 0 0 12 37 31 18 41 13.3 62 148 -70 12 53 46 12 21 16 13 3 0 12 12 5 -0.33 87 0 0 12 16 36 18 41 6.3 63 149 -70 12 32 51 12 0 23 12 42 5 11 51 12 -0.33 88 0 0 11 55 49 18 40 59.3 64 151 -70 12 12 3 11 39 36 12 21 16 11 30 26 -0.33 89 0 0 11 35 9 18 40 52.3 64 152 -70 11 51 22 11 18 57 12 0 34 11 9 47 -0.33 90 0 0 11 14 37 18 40 45.2 65 154 -70 11 30 49 10 58 25 11 40 1 10 49 16 -0.33 91 0 0 10 54 13 18 40 38.0 66 156 -69 11 10 24 10 38 2 11 19 35 10 28 53 -0.33 92 0 0 10 33 57 18 40 30.8 67 158 -69 10 50 8 10 17 48 10 59 19 10 8 39 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195 -62 6 25 8 5 53 17 6 34 11 5 44 17 -0.32 107 0 0 5 51 53 18 38 40.2 72 198 -61 6 7 48 5 35 59 6 16 50 5 26 59 -0.32 108 0 0 5 34 48 18 38 32.8 72 201 -60 5 50 42 5 18 55 5 59 43 5 9 56 -0.32 109 0 0 5 17 58 18 38 25.4 72 205 -59 5 33 51 5 2 6 5 42 52 4 53 8 -0.32 110 0 0 5 1 23 18 38 18.0 72 208 -59 5 17 15 4 45 33 5 26 15 4 36 35 -0.32 111 0 0 4 45 4 18 38 10.6 71 211 -58 5 0 55 4 29 14 5 9 54 4 20 17 -0.32 112 0 0 4 29 0 18 38 3.2 71 214 -57 4 44 50 4 13 12 4 53 49 4 4 15 -0.32 113 0 0 4 13 12 18 37 55.8 71 216 -56 4 29 1 3 57 25 4 37 59 3 48 29 -0.32 114 0 0 3 57 41 18 37 48.5 70 219 -55 4 13 28 3 41 54 4 22 26 3 32 59 -0.32 115 0 0 3 42 26 18 37 41.2 70 222 -55 3 58 12 3 26 40 4 7 9 3 17 46 -0.32 116 0 0 3 27 27 18 37 33.9 70 224 -54 3 43 13 3 11 43 3 52 9 3 2 49 -0.32 117 0 0 3 12 46 18 37 26.6 69 226 -53 3 28 30 2 57 3 3 37 26 2 48 9 -0.32 118 0 0 2 58 21 18 37 19.4 68 229 -52 3 14 5 2 42 39 3 23 0 2 33 47 -0.32 119 0 0 2 44 15 18 37 12.2 68 231 -51 2 59 57 2 28 34 3 8 51 2 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18 34 24.1 47 255 -27 - 1 15 42 - 1 46 23 - 1 6 59 - 1 55 4 -0.32 146 0 0 - 1 36 17 18 34 18.6 46 255 -26 - 1 20 56 - 1 51 37 - 1 12 14 - 2 0 17 -0.33 147 0 0 - 1 41 10 18 34 13.2 45 256 -25 - 1 25 49 - 1 56 29 - 1 17 7 - 2 5 9 -0.33 148 0 0 - 1 45 41 18 34 7.9 44 256 -24 - 1 30 21 - 2 1 0 - 1 21 39 - 2 9 40 -0.33 149 0 0 - 1 49 51 18 34 2.7 43 256 -23 - 1 34 31 - 2 5 9 - 1 25 49 - 2 13 49 -0.33 150 0 0 - 1 53 39 18 33 57.5 42 257 -22 - 1 38 19 - 2 8 57 - 1 29 38 - 2 17 37 -0.33 151 0 0 - 1 57 5 18 33 52.5 41 257 -21 - 1 41 46 - 2 12 23 - 1 33 5 - 2 21 3 -0.33 152 0 0 - 2 0 10 18 33 47.5 40 257 -20 - 1 44 51 - 2 15 28 - 1 36 10 - 2 24 7 -0.33 153 0 0 - 2 2 53 18 33 42.6 39 257 -19 - 1 47 34 - 2 18 10 - 1 38 53 - 2 26 50 -0.33 154 0 0 - 2 5 14 18 33 37.9 38 257 -18 - 1 49 55 - 2 20 31 - 1 41 15 - 2 29 10 -0.33 155 0 0 - 2 7 14 18 33 33.2 37 257 -17 - 1 51 55 - 2 22 31 - 1 43 14 - 2 31 10 -0.33 156 0 0 - 2 8 51 18 33 28.6 36 258 -16 - 1 53 33 - 2 24 8 - 1 44 52 - 2 32 47 -0.33 157 0 0 - 2 10 7 18 33 24.2 35 258 -15 - 1 54 48 - 2 25 24 - 1 46 8 - 2 34 2 -0.33 158 0 0 - 2 11 0 18 33 19.8 34 258 -14 - 1 55 42 - 2 26 17 - 1 47 1 - 2 34 56 -0.33 159 0 0 - 2 11 32 18 33 15.5 33 258 -13 - 1 56 13 - 2 26 49 - 1 47 33 - 2 35 27 -0.33 160 0 0 - 2 11 41 18 33 11.4 33 258 -12 - 1 56 23 - 2 26 58 - 1 47 42 - 2 35 37 -0.33 161 0 0 - 2 11 29 18 33 7.3 32 258 -11 - 1 56 10 - 2 26 46 - 1 47 29 - 2 35 24 -0.33 162 0 0 - 2 10 54 18 33 3.4 31 258 -10 - 1 55 35 - 2 26 11 - 1 46 55 - 2 34 50 -0.33 163 0 0 - 2 9 57 18 32 59.5 30 258 -9 - 1 54 38 - 2 25 14 - 1 45 58 - 2 33 53 -0.33 164 0 0 - 2 8 38 18 32 55.8 29 258 -9 - 1 53 19 - 2 23 55 - 1 44 38 - 2 32 35 -0.33 165 0 0 - 2 6 57 18 32 52.2 28 258 -8 - 1 51 38 - 2 22 15 - 1 42 57 - 2 30 54 -0.33 166 0 0 - 2 4 54 18 32 48.7 27 258 -7 - 1 49 34 - 2 20 11 - 1 40 53 - 2 28 51 -0.33 167 0 0 - 2 2 28 18 32 45.3 26 259 -6 - 1 47 9 - 2 17 46 - 1 38 27 - 2 26 26 -0.33 168 0 0 - 1 59 40 18 32 42.0 25 259 -5 - 1 44 20 - 2 14 59 - 1 35 39 - 2 23 38 -0.33 169 0 0 - 1 56 30 18 32 38.9 24 259 -4 - 1 41 10 - 2 11 49 - 1 32 28 - 2 20 29 -0.33 170 0 0 - 1 52 58 18 32 35.9 23 259 -3 - 1 37 38 - 2 8 17 - 1 28 56 - 2 16 57 -0.33 171 0 0 - 1 49 4 18 32 32.9 22 259 -2 - 1 33 43 - 2 4 23 - 1 25 0 - 2 13 4 -0.33 172 0 0 - 1 44 47 18 32 30.1 21 259 -1 - 1 29 26 - 2 0 7 - 1 20 43 - 2 8 48 -0.33 173 0 0 - 1 40 8 18 32 27.4 20 259 0 - 1 24 46 - 1 55 29 - 1 16 4 - 2 4 10 -0.33 174 0 0 - 1 35 7 18 32 24.9 19 259 1 - 1 19 45 - 1 50 28 - 1 11 2 - 1 59 10 -0.33 175 0 0 - 1 29 44 18 32 22.5 18 259 2 - 1 14 21 - 1 45 6 - 1 5 38 - 1 53 47 -0.33 176 0 0 - 1 23 59 18 32 20.1 17 259 3 - 1 8 35 - 1 39 21 - 0 59 52 - 1 48 3 -0.33 177 0 0 - 1 17 51 18 32 18.0 16 259 4 - 1 2 27 - 1 33 14 - 0 53 43 - 1 41 56 -0.33 178 0 0 - 1 11 22 18 32 15.9 15 259 5 - 0 55 57 - 1 26 46 - 0 47 13 - 1 35 28 -0.34 179 0 0 - 1 4 31 18 32 14.0 14 259 6 - 0 49 5 - 1 19 55 - 0 40 20 - 1 28 38 -0.34 180 0 0 - 0 57 17 18 32 12.2 13 259 7 - 0 41 51 - 1 12 42 - 0 33 5 - 1 21 25 -0.34 -179 0 0 - 0 49 42 18 32 10.5 12 259 8 - 0 34 14 - 1 5 7 - 0 25 29 - 1 13 51 -0.34 -178 0 0 - 0 41 44 18 32 8.9 11 259 9 - 0 26 16 - 0 57 11 - 0 17 30 - 1 5 55 -0.34 -177 0 0 - 0 33 25 18 32 7.5 10 259 10 - 0 17 56 - 0 48 52 - 0 9 10 - 0 57 37 -0.34 -176 0 0 - 0 24 44 18 32 6.3 9 259 11 - 0 9 14 - 0 40 12 - 0 0 27 - 0 48 57 -0.34 -175 0 0 - 0 15 41 18 32 5.1 8 259 12 - 0 0 11 - 0 31 10 0 8 37 - 0 39 56 -0.34 -174 0 0 - 0 6 17 18 32 4.1 7 259 13 0 9 14 - 0 21 47 0 18 3 - 0 30 33 -0.34 -173 0 0 0 3 29 18 32 3.2 6 259 14 0 19 1 - 0 12 2 0 27 50 - 0 20 48 -0.35 -172 0 0 0 13 36 18 32 2.5 5 259 15 0 29 10 - 0 1 55 0 37 59 - 0 10 43 -0.35 -171 0 0 0 24 5 18 32 1.9 4 259 16 0 39 39 0 8 32 0 48 29 - 0 0 15 -0.36 -170 0 0 0 34 55 18 32 1.4 3 259 17 0 50 30 0 19 21 0 59 21 0 10 33 -0.36 -169 0 0 0 46 6 18 32 1.1 2 259 18 1 1 42 0 30 31 1 10 33 0 21 43 -0.38 -168 0 0 0 57 38 18 32 0.9 1 259 19 1 13 16 0 42 3 1 22 7 0 33 13 -0.45 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 14.3 Data for the target star ------------------------ * name: TYC 5566-00338-1 * constellation : Libra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 14 24 58.1756 DE: -11 07 05.209 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 14 24 58.1757 DE: -11 07 05.209 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.500,0.400) * V mag [mag]: 10.3 * B mag [mag]: 10.6 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (2312) Duboshin asteroid class: approx. diameter [km]: 53 approx. diameter ["]: 0.020 distance from Earth [AU]: 3.63300 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#59 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): 0.011", 0.006", 112° remarks: * orbital elements for (2312)Duboshin : Mean anomaly = 165.2384632580 deg Arg. of pericenter = 342.5725985746 deg Long. of node = 61.4090478388 deg Inclination = 5.1631757321 deg Eccentricity = 0.1585551437 Semimajor axis = 3.9692334802 AU Perihelion dist = 3.3398910953 AU Mag: H = 10.20, G = 0.15 Epoch of elements : MJD 60406.77690050 TDT (2024 Apr 06.7769) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#592023Apr24,3.56,2024,4,6,18.645615,0.088705,0.295060,-8.132070,2.456676,-0.002094,0.000391,0.000001,0.000000 101.3489,-11.2297,-99.14,6.85,False TYC 5566-00338-1,14.41615990,-11.1181135,10.61,10.25,10.06,0.1,0,,14.43816131,-11.2297257,6.44,6.18,0,0,0 2312,Duboshin,16.69,53.632,3.6330,0,0,-1.338,5.95,,3.6,0 0,165.1416,2024,4,6,342.5726,61.4090,5.1632,0.15856,3.96923,3.33989,10.19,5.0,0.15 1.283,0.0113,0.0057,112,0.0058,Known errors,2.40,0,-1,-1 20240406_0338-1,60139.28 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 14, 06:39 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org