IOTA/IOTA-ES occultation update for (257) Silesia / UCAC4 466-047189 event on 2023 Mar 08, 17:35 UT Visible from SE Asia, India, Arabia Summary ------- On 2023 Mar 08 UT, the 76.2 km diameter asteroid (257) Silesia will occult a 11.9 mag star in the constellation Virgo for observers along a path across SE Asia, India, Arabia. In the case of an occultation, the combined light of the asteroid and the star will drop by 2.39 mag to 14.13 mag (the magnitude of the asteroid) for at most 5.810 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: 100 * date and approx. time of event: 2023 Mar 08, 17:27 - 2023 Mar 08, 17:43 * geocentric midpoint of event [JD]: 2460012.23300804 * magnitude of target star: 11.87 * magnitude drop [mag]: 2.39 * estimated maximum duration [s]: 5.810 * Moon: 98 % sunlit, 2° distance * Sun: 168° distance * rough path description: SE Asia, India, Arabia Additional comments ------------------- RUWE high The occultation path -------------------- * approximate projected width [km]: 77 * 1 sigma uncertainty interval [path widths]: +/- 0.10 * 1 sigma uncertainty interval [seconds]: +/- 3.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.024, +/- 0.013) * 1 sigma uncertainty ellipse (major, minor, PA): (0.027", 0.004", 117°) * approx speed of asteroid's shadow [km/s]: 13.1056 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 466-047189 by 257 Silesia on 2023 Mar 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 18 0 0 26 27 38 17 43 36.1 0 87 -12 26 48 23 26 6 53 26 52 33 26 2 44 .... 19 0 0 26 30 29 17 43 36.0 1 87 -13 26 51 14 26 9 45 26 55 24 26 5 36 -0.07 20 0 0 26 33 0 17 43 35.8 2 88 -14 26 53 45 26 12 16 26 57 54 26 8 7 -0.08 21 0 0 26 35 10 17 43 35.4 3 88 -15 26 55 54 26 14 26 27 0 3 26 10 17 -0.08 22 0 0 26 36 59 17 43 35.0 4 89 -16 26 57 43 26 16 16 27 1 52 26 12 7 -0.08 23 0 0 26 38 28 17 43 34.4 5 89 -17 26 59 12 26 17 44 27 3 21 26 13 36 -0.08 24 0 0 26 39 36 17 43 33.7 6 89 -18 27 0 19 26 18 53 27 4 28 26 14 44 -0.08 25 0 0 26 40 23 17 43 32.9 7 90 -18 27 1 7 26 19 40 27 5 16 26 15 31 -0.08 26 0 0 26 40 50 17 43 31.9 7 90 -19 27 1 34 26 20 7 27 5 43 26 15 58 -0.08 27 0 0 26 40 57 17 43 30.9 8 91 -20 27 1 40 26 20 14 27 5 49 26 16 5 -0.09 28 0 0 26 40 43 17 43 29.7 9 91 -21 27 1 26 26 20 0 27 5 35 26 15 51 -0.09 29 0 0 26 40 8 17 43 28.4 10 92 -22 27 0 52 26 19 25 27 5 1 26 15 16 -0.09 30 0 0 26 39 13 17 43 27.0 11 92 -23 26 59 57 26 18 30 27 4 6 26 14 21 -0.09 31 0 0 26 37 58 17 43 25.5 12 93 -24 26 58 42 26 17 14 27 2 51 26 13 6 -0.09 32 0 0 26 36 22 17 43 23.9 13 93 -25 26 57 7 26 15 39 27 1 16 26 11 30 -0.09 33 0 0 26 34 26 17 43 22.1 14 94 -25 26 55 11 26 13 42 26 59 20 26 9 33 -0.09 34 0 0 26 32 10 17 43 20.3 15 94 -26 26 52 55 26 11 26 26 57 5 26 7 17 -0.09 35 0 0 26 29 34 17 43 18.3 15 94 -27 26 50 19 26 8 49 26 54 29 26 4 40 -0.09 36 0 0 26 26 37 17 43 16.2 16 95 -28 26 47 23 26 5 52 26 51 33 26 1 43 -0.09 37 0 0 26 23 20 17 43 14.0 17 95 -29 26 44 7 26 2 35 26 48 16 25 58 25 -0.09 38 0 0 26 19 43 17 43 11.7 18 96 -30 26 40 30 25 58 57 26 44 40 25 54 48 -0.09 39 0 0 26 15 46 17 43 9.3 19 96 -31 26 36 34 25 54 59 26 40 44 25 50 50 -0.09 40 0 0 26 11 29 17 43 6.8 20 97 -32 26 32 17 25 50 42 26 36 27 25 46 32 -0.09 41 0 0 26 6 52 17 43 4.1 21 97 -33 26 27 41 25 46 4 26 31 51 25 41 54 -0.09 42 0 0 26 1 55 17 43 1.4 22 98 -33 26 22 44 25 41 6 26 26 55 25 36 56 -0.09 43 0 0 25 56 38 17 42 58.5 23 98 -34 26 17 28 25 35 48 26 21 38 25 31 38 -0.09 44 0 0 25 51 1 17 42 55.5 24 98 -35 26 11 52 25 30 10 26 16 2 25 26 0 -0.09 45 0 0 25 45 4 17 42 52.4 24 99 -36 26 5 56 25 24 12 26 10 6 25 20 2 -0.09 46 0 0 25 38 47 17 42 49.2 25 99 -37 25 59 40 25 17 55 26 3 51 25 13 44 -0.09 47 0 0 25 32 11 17 42 45.9 26 100 -38 25 53 4 25 11 17 25 57 15 25 7 7 -0.09 48 0 0 25 25 14 17 42 42.4 27 100 -39 25 46 9 25 4 20 25 50 21 25 0 9 -0.09 49 0 0 25 17 59 17 42 38.9 28 101 -40 25 38 54 24 57 4 25 43 6 24 52 52 -0.09 50 0 0 25 10 23 17 42 35.2 29 101 -41 25 31 20 24 49 27 25 35 32 24 45 16 -0.09 51 0 0 25 2 28 17 42 31.5 30 101 -41 25 23 26 24 41 31 25 27 38 24 37 19 -0.09 52 0 0 24 54 14 17 42 27.6 31 102 -42 25 15 13 24 33 16 25 19 25 24 29 4 -0.09 53 0 0 24 45 40 17 42 23.6 32 102 -43 25 6 40 24 24 41 25 10 52 24 20 28 -0.09 54 0 0 24 36 47 17 42 19.5 33 103 -44 24 57 48 24 15 46 25 2 1 24 11 34 -0.09 55 0 0 24 27 34 17 42 15.3 33 103 -45 24 48 37 24 6 32 24 52 49 24 2 20 -0.09 56 0 0 24 18 2 17 42 11.0 34 104 -46 24 39 6 23 56 59 24 43 19 23 52 47 -0.09 57 0 0 24 8 12 17 42 6.5 35 104 -47 24 29 16 23 47 7 24 33 30 23 42 54 -0.09 58 0 0 23 58 2 17 42 2.0 36 105 -48 24 19 8 23 36 56 24 23 21 23 32 43 -0.09 59 0 0 23 47 33 17 41 57.4 37 105 -49 24 8 40 23 26 26 24 12 54 23 22 12 -0.09 60 0 0 23 36 45 17 41 52.6 38 105 -50 23 57 54 23 15 37 24 2 8 23 11 23 -0.09 61 0 0 23 25 38 17 41 47.7 39 106 -50 23 46 48 23 4 29 23 51 3 23 0 15 -0.09 62 0 0 23 14 13 17 41 42.8 40 106 -51 23 35 25 22 53 2 23 39 39 22 48 48 -0.09 63 0 0 23 2 29 17 41 37.7 41 107 -52 23 23 42 22 41 17 23 27 57 22 37 2 -0.09 64 0 0 22 50 27 17 41 32.5 42 107 -53 23 11 41 22 29 13 23 15 56 22 24 58 -0.09 65 0 0 22 38 6 17 41 27.2 43 108 -54 22 59 22 22 16 51 23 3 37 22 12 36 -0.09 66 0 0 22 25 27 17 41 21.8 43 108 -55 22 46 44 22 4 10 22 51 0 21 59 55 -0.09 67 0 0 22 12 30 17 41 16.3 44 109 -56 22 33 49 21 51 12 22 38 5 21 46 56 -0.09 68 0 0 21 59 15 17 41 10.7 45 109 -57 22 20 35 21 37 55 22 24 51 21 33 39 -0.09 69 0 0 21 45 42 17 41 5.0 46 109 -58 22 7 3 21 24 21 22 11 20 21 20 4 -0.09 70 0 0 21 31 51 17 40 59.2 47 110 -59 21 53 14 21 10 28 21 57 31 21 6 12 -0.09 71 0 0 21 17 43 17 40 53.3 48 110 -60 21 39 7 20 56 19 21 43 24 20 52 2 -0.09 72 0 0 21 3 17 17 40 47.3 49 111 -60 21 24 43 20 41 51 21 29 0 20 37 34 -0.09 73 0 0 20 48 34 17 40 41.2 50 111 -61 21 10 1 20 27 7 21 14 19 20 22 49 -0.09 74 0 0 20 33 34 17 40 35.0 51 112 -62 20 55 3 20 12 5 20 59 21 20 7 47 -0.09 75 0 0 20 18 17 17 40 28.6 52 112 -63 20 39 47 19 56 47 20 44 6 19 52 29 -0.09 76 0 0 20 2 43 17 40 22.2 53 113 -64 20 24 15 19 41 11 20 28 34 19 36 53 -0.09 77 0 0 19 46 52 17 40 15.7 54 113 -65 20 8 26 19 25 20 20 12 45 19 21 1 -0.09 78 0 0 19 30 46 17 40 9.1 55 114 -66 19 52 21 19 9 11 19 56 40 19 4 52 -0.09 79 0 0 19 14 23 17 40 2.4 56 114 -67 19 35 59 18 52 47 19 40 19 18 48 28 -0.09 80 0 0 18 57 44 17 39 55.6 57 115 -68 19 19 22 18 36 7 19 23 42 18 31 47 -0.09 81 0 0 18 40 50 17 39 48.7 58 115 -69 19 2 29 18 19 11 19 6 49 18 14 51 -0.09 82 0 0 18 23 40 17 39 41.8 59 116 -69 18 45 20 18 1 59 18 49 41 17 57 39 -0.09 83 0 0 18 6 14 17 39 34.7 59 116 -70 18 27 57 17 44 33 18 32 18 17 40 12 -0.09 84 0 0 17 48 34 17 39 27.6 60 117 -71 18 10 18 17 26 51 18 14 39 17 22 30 -0.09 85 0 0 17 30 39 17 39 20.3 61 117 -72 17 52 24 17 8 55 17 56 46 17 4 34 -0.09 86 0 0 17 12 30 17 39 13.0 62 118 -73 17 34 16 16 50 44 17 38 38 16 46 22 -0.09 87 0 0 16 54 6 17 39 5.6 63 119 -74 17 15 54 16 32 19 17 20 16 16 27 57 -0.09 88 0 0 16 35 28 17 38 58.1 64 119 -75 16 57 18 16 13 40 17 1 40 16 9 18 -0.09 89 0 0 16 16 37 17 38 50.6 65 120 -76 16 38 28 15 54 47 16 42 50 15 50 25 -0.09 90 0 0 15 57 32 17 38 42.9 66 121 -76 16 19 24 15 35 41 16 23 47 15 31 19 -0.09 91 0 0 15 38 15 17 38 35.2 67 121 -77 16 0 8 15 16 22 16 4 31 15 12 0 -0.09 92 0 0 15 18 44 17 38 27.4 68 122 -78 15 40 39 14 56 51 15 45 2 14 52 28 -0.09 93 0 0 14 59 2 17 38 19.6 69 123 -79 15 20 57 14 37 7 15 25 21 14 32 44 -0.09 94 0 0 14 39 7 17 38 11.6 70 124 -79 15 1 3 14 17 11 15 5 27 14 12 47 -0.09 95 0 0 14 19 0 17 38 3.7 71 125 -80 14 40 58 13 57 3 14 45 22 13 52 39 -0.09 96 0 0 13 58 42 17 37 55.6 72 126 -81 14 20 41 13 36 44 14 25 5 13 32 20 -0.09 97 0 0 13 38 13 17 37 47.5 73 127 -81 14 0 13 13 16 14 14 4 38 13 11 50 -0.09 98 0 0 13 17 33 17 37 39.3 74 128 -82 13 39 35 12 55 33 13 43 59 12 51 9 -0.09 99 0 0 12 56 44 17 37 31.1 75 130 -82 13 18 46 12 34 42 13 23 10 12 30 18 -0.09 100 0 0 12 35 44 17 37 22.8 76 131 -82 12 57 47 12 13 41 13 2 12 12 9 17 -0.09 101 0 0 12 14 34 17 37 14.5 77 133 -82 12 36 38 11 52 31 12 41 3 11 48 6 -0.09 102 0 0 11 53 16 17 37 6.1 78 135 -82 12 15 21 11 31 12 12 19 46 11 26 47 -0.09 103 0 0 11 31 49 17 36 57.7 79 137 -82 11 53 54 11 9 44 11 58 20 11 5 19 -0.09 104 0 0 11 10 13 17 36 49.2 79 140 -82 11 32 20 10 48 8 11 36 45 10 43 42 -0.09 105 0 0 10 48 30 17 36 40.7 80 143 -81 11 10 37 10 26 24 11 15 3 10 21 58 -0.09 106 0 0 10 26 39 17 36 32.2 81 146 -81 10 48 47 10 4 32 10 53 13 10 0 6 -0.09 107 0 0 10 4 41 17 36 23.6 82 151 -80 10 26 50 9 42 34 10 31 16 9 38 8 -0.09 108 0 0 9 42 37 17 36 15.0 83 156 -79 10 4 46 9 20 29 10 9 12 9 16 3 -0.09 109 0 0 9 20 26 17 36 6.4 83 163 -79 9 42 36 8 58 17 9 47 2 8 53 52 -0.09 110 0 0 8 58 10 17 35 57.7 84 170 -78 9 20 20 8 36 1 9 24 46 8 31 35 -0.09 111 0 0 8 35 48 17 35 49.0 84 180 -77 8 57 59 8 13 39 9 2 25 8 9 13 -0.09 112 0 0 8 13 22 17 35 40.4 85 190 -76 8 35 33 7 51 12 8 40 0 7 46 46 -0.09 113 0 0 7 50 52 17 35 31.7 85 201 -76 8 13 3 7 28 41 8 17 29 7 24 15 -0.09 114 0 0 7 28 17 17 35 22.9 85 213 -75 7 50 29 7 6 6 7 54 55 7 1 40 -0.09 115 0 0 7 5 39 17 35 14.2 84 223 -74 7 27 51 6 43 28 7 32 18 6 39 2 -0.09 116 0 0 6 42 59 17 35 5.5 84 233 -73 7 5 10 6 20 48 7 9 37 6 16 21 -0.09 117 0 0 6 20 15 17 34 56.8 83 240 -72 6 42 27 5 58 4 6 46 54 5 53 38 -0.09 118 0 0 5 57 30 17 34 48.1 83 247 -71 6 19 42 5 35 19 6 24 9 5 30 53 -0.09 119 0 0 5 34 44 17 34 39.4 82 252 -70 5 56 56 5 12 33 6 1 23 5 8 6 -0.09 120 0 0 5 11 56 17 34 30.7 81 256 -69 5 34 8 4 49 45 5 38 35 4 45 19 -0.09 121 0 0 4 49 8 17 34 22.0 80 260 -68 5 11 20 4 26 57 5 15 47 4 22 31 -0.09 122 0 0 4 26 20 17 34 13.3 79 263 -67 4 48 32 4 4 9 4 52 59 3 59 43 -0.09 123 0 0 4 3 33 17 34 4.7 78 265 -66 4 25 44 3 41 22 4 30 11 3 36 56 -0.09 124 0 0 3 40 46 17 33 56.1 78 267 -65 4 2 58 3 18 36 4 7 24 3 14 9 -0.09 125 0 0 3 18 1 17 33 47.5 77 269 -64 3 40 12 2 55 51 3 44 39 2 51 25 -0.09 126 0 0 2 55 18 17 33 38.9 76 271 -63 3 17 29 2 33 8 3 21 55 2 28 42 -0.09 127 0 0 2 32 37 17 33 30.4 75 272 -62 2 54 48 2 10 28 2 59 14 2 6 2 -0.09 128 0 0 2 10 0 17 33 21.9 74 273 -61 2 32 10 1 47 51 2 36 36 1 43 25 -0.09 129 0 0 1 47 25 17 33 13.5 73 274 -60 2 9 35 1 25 17 2 14 1 1 20 51 -0.09 130 0 0 1 24 55 17 33 5.1 72 275 -59 1 47 4 1 2 47 1 51 30 0 58 21 -0.09 131 0 0 1 2 29 17 32 56.7 71 276 -58 1 24 37 0 40 21 1 29 3 0 35 56 -0.09 132 0 0 0 40 8 17 32 48.4 70 277 -57 1 2 15 0 18 1 1 6 41 0 13 35 -0.09 133 0 0 0 17 52 17 32 40.2 69 278 -56 0 39 59 - 0 4 14 0 44 24 - 0 8 40 -0.09 134 0 0 - 0 4 18 17 32 32.0 68 278 -55 0 17 48 - 0 26 24 0 22 13 - 0 30 49 -0.09 135 0 0 - 0 26 22 17 32 23.9 67 279 -54 - 0 4 17 - 0 48 27 0 0 8 - 0 52 52 -0.09 136 0 0 - 0 48 20 17 32 15.8 66 279 -53 - 0 26 15 - 1 10 23 - 0 21 50 - 1 14 48 -0.09 137 0 0 - 1 10 10 17 32 7.9 65 280 -52 - 0 48 6 - 1 32 13 - 0 43 41 - 1 36 37 -0.09 138 0 0 - 1 31 52 17 31 59.9 64 280 -51 - 1 9 49 - 1 53 54 - 1 5 24 - 1 58 19 -0.09 139 0 0 - 1 53 26 17 31 52.1 63 280 -50 - 1 31 25 - 2 15 27 - 1 27 0 - 2 19 52 -0.09 140 0 0 - 2 14 52 17 31 44.3 62 281 -49 - 1 52 51 - 2 36 52 - 1 48 27 - 2 41 17 -0.09 141 0 0 - 2 36 9 17 31 36.7 61 281 -48 - 2 14 9 - 2 58 8 - 2 9 45 - 3 2 32 -0.09 142 0 0 - 2 57 17 17 31 29.1 60 281 -47 - 2 35 18 - 3 19 15 - 2 30 54 - 3 23 39 -0.09 143 0 0 - 3 18 15 17 31 21.5 59 281 -46 - 2 56 17 - 3 40 12 - 2 51 53 - 3 44 35 -0.09 144 0 0 - 3 39 2 17 31 14.1 58 281 -45 - 3 17 6 - 4 0 58 - 3 12 42 - 4 5 21 -0.09 145 0 0 - 3 59 39 17 31 6.8 57 282 -44 - 3 37 44 - 4 21 34 - 3 33 21 - 4 25 57 -0.09 146 0 0 - 4 20 5 17 30 59.5 55 282 -43 - 3 58 11 - 4 41 59 - 3 53 48 - 4 46 22 -0.09 147 0 0 - 4 40 20 17 30 52.4 54 282 -42 - 4 18 27 - 5 2 12 - 4 14 4 - 5 6 35 -0.09 148 0 0 - 5 0 23 17 30 45.3 53 282 -41 - 4 38 32 - 5 22 14 - 4 34 9 - 5 26 36 -0.09 149 0 0 - 5 20 14 17 30 38.4 52 282 -40 - 4 58 24 - 5 42 3 - 4 54 1 - 5 46 26 -0.09 150 0 0 - 5 39 52 17 30 31.5 51 282 -39 - 5 18 3 - 6 1 40 - 5 13 41 - 6 6 2 -0.09 151 0 0 - 5 59 18 17 30 24.8 50 282 -38 - 5 37 30 - 6 21 4 - 5 33 8 - 6 25 26 -0.09 152 0 0 - 6 18 30 17 30 18.1 49 282 -37 - 5 56 44 - 6 40 15 - 5 52 22 - 6 44 37 -0.09 153 0 0 - 6 37 28 17 30 11.6 48 282 -36 - 6 15 44 - 6 59 13 - 6 11 22 - 7 3 34 -0.09 154 0 0 - 6 56 13 17 30 5.2 47 282 -35 - 6 34 30 - 7 17 56 - 6 30 9 - 7 22 17 -0.09 155 0 0 - 7 14 44 17 29 58.9 46 282 -34 - 6 53 2 - 7 36 25 - 6 48 41 - 7 40 45 -0.09 156 0 0 - 7 33 0 17 29 52.7 45 282 -33 - 7 11 19 - 7 54 40 - 7 6 59 - 7 59 0 -0.09 157 0 0 - 7 51 1 17 29 46.6 44 282 -32 - 7 29 22 - 8 12 39 - 7 25 1 - 8 16 59 -0.09 158 0 0 - 8 8 47 17 29 40.6 43 282 -31 - 7 47 9 - 8 30 24 - 7 42 49 - 8 34 43 -0.09 159 0 0 - 8 26 17 17 29 34.8 42 282 -30 - 8 4 41 - 8 47 53 - 8 0 21 - 8 52 12 -0.09 160 0 0 - 8 43 32 17 29 29.1 41 282 -29 - 8 21 57 - 9 5 6 - 8 17 38 - 9 9 25 -0.09 161 0 0 - 9 0 31 17 29 23.5 40 282 -28 - 8 38 57 - 9 22 3 - 8 34 38 - 9 26 22 -0.09 162 0 0 - 9 17 13 17 29 18.0 39 282 -27 - 8 55 41 - 9 38 44 - 8 51 22 - 9 43 2 -0.09 163 0 0 - 9 33 39 17 29 12.6 38 282 -26 - 9 12 8 - 9 55 8 - 9 7 50 - 9 59 26 -0.09 164 0 0 - 9 49 48 17 29 7.4 37 281 -25 - 9 28 19 -10 11 16 - 9 24 1 -10 15 34 -0.09 165 0 0 -10 5 40 17 29 2.3 36 281 -24 - 9 44 12 -10 27 6 - 9 39 55 -10 31 24 -0.09 166 0 0 -10 21 14 17 28 57.3 35 281 -23 - 9 59 49 -10 42 40 - 9 55 31 -10 46 57 -0.09 167 0 0 -10 36 32 17 28 52.4 34 281 -22 -10 15 7 -10 57 55 -10 10 50 -11 2 12 -0.09 168 0 0 -10 51 31 17 28 47.7 33 281 -21 -10 30 8 -11 12 53 -10 25 51 -11 17 10 -0.09 169 0 0 -11 6 12 17 28 43.1 32 281 -20 -10 44 51 -11 27 33 -10 40 34 -11 31 49 -0.09 170 0 0 -11 20 36 17 28 38.6 31 281 -19 -10 59 16 -11 41 55 -10 54 59 -11 46 11 -0.09 171 0 0 -11 34 41 17 28 34.3 30 280 -18 -11 13 22 -11 55 58 -11 9 6 -12 0 14 -0.09 172 0 0 -11 48 27 17 28 30.1 29 280 -17 -11 27 10 -12 9 43 -11 22 54 -12 13 59 -0.09 173 0 0 -12 1 54 17 28 26.0 28 280 -16 -11 40 39 -12 23 9 -11 36 23 -12 27 24 -0.09 174 0 0 -12 15 3 17 28 22.1 27 280 -15 -11 53 49 -12 36 16 -11 49 34 -12 40 31 -0.09 175 0 0 -12 27 53 17 28 18.3 26 280 -14 -12 6 40 -12 49 5 -12 2 25 -12 53 19 -0.09 176 0 0 -12 40 23 17 28 14.6 25 280 -13 -12 19 11 -13 1 33 -12 14 57 -13 5 48 -0.09 177 0 0 -12 52 34 17 28 11.1 24 279 -12 -12 31 24 -13 13 43 -12 27 9 -13 17 57 -0.09 178 0 0 -13 4 25 17 28 7.7 24 279 -11 -12 43 16 -13 25 33 -12 39 2 -13 29 46 -0.09 179 0 0 -13 15 56 17 28 4.4 23 279 -10 -12 54 49 -13 37 3 -12 50 35 -13 41 16 -0.09 180 0 0 -13 27 8 17 28 1.3 22 279 -9 -13 6 2 -13 48 13 -13 1 48 -13 52 26 -0.09 -179 0 0 -13 37 59 17 27 58.3 21 279 -8 -13 16 54 -13 59 3 -13 12 41 -14 3 16 -0.09 -178 0 0 -13 48 31 17 27 55.4 20 278 -7 -13 27 27 -14 9 33 -13 23 14 -14 13 46 -0.09 -177 0 0 -13 58 42 17 27 52.7 19 278 -6 -13 37 39 -14 19 43 -13 33 26 -14 23 56 -0.09 -176 0 0 -14 8 32 17 27 50.1 18 278 -5 -13 47 31 -14 29 33 -13 43 19 -14 33 45 -0.09 -175 0 0 -14 18 2 17 27 47.7 17 278 -4 -13 57 2 -14 39 2 -13 52 50 -14 43 14 -0.09 -174 0 0 -14 27 12 17 27 45.4 16 277 -3 -14 6 13 -14 48 10 -14 2 1 -14 52 22 -0.09 -173 0 0 -14 36 1 17 27 43.2 15 277 -2 -14 15 3 -14 56 58 -14 10 51 -15 1 9 -0.09 -172 0 0 -14 44 29 17 27 41.2 14 277 -1 -14 23 32 -15 5 25 -14 19 20 -15 9 36 -0.09 -171 0 0 -14 52 36 17 27 39.3 13 277 0 -14 31 40 -15 13 31 -14 27 28 -15 17 42 -0.09 -170 0 0 -15 0 21 17 27 37.5 12 276 0 -14 39 27 -15 21 16 -14 35 15 -15 25 27 -0.09 -169 0 0 -15 7 46 17 27 35.9 11 276 1 -14 46 52 -15 28 39 -14 42 41 -15 32 50 -0.09 -168 0 0 -15 14 50 17 27 34.4 10 276 2 -14 53 57 -15 35 42 -14 49 46 -15 39 53 -0.09 -167 0 0 -15 21 32 17 27 33.1 9 276 3 -15 0 40 -15 42 23 -14 56 29 -15 46 34 -0.10 -166 0 0 -15 27 53 17 27 31.8 8 275 4 -15 7 1 -15 48 43 -15 2 51 -15 52 54 -0.10 -165 0 0 -15 33 52 17 27 30.8 7 275 5 -15 13 1 -15 54 42 -15 8 51 -15 58 52 -0.10 -164 0 0 -15 39 30 17 27 29.8 6 275 6 -15 18 40 -16 0 19 -15 14 30 -16 4 29 -0.10 -163 0 0 -15 44 46 17 27 29.0 5 275 7 -15 23 57 -16 5 34 -15 19 47 -16 9 44 -0.10 -162 0 0 -15 49 40 17 27 28.4 4 274 8 -15 28 52 -16 10 28 -15 24 42 -16 14 38 -0.10 -161 0 0 -15 54 13 17 27 27.9 3 274 9 -15 33 25 -16 15 0 -15 29 15 -16 19 10 -0.11 -160 0 0 -15 58 24 17 27 27.5 2 274 10 -15 37 37 -16 19 11 -15 33 27 -16 23 20 -0.12 -159 0 0 -16 2 13 17 27 27.2 1 273 11 -15 41 26 -16 22 59 -15 37 16 -16 27 9 -0.14 -158 0 0 -16 5 40 17 27 27.1 0 273 12 -15 44 54 -16 26 26 -15 40 44 -16 30 35 -0.32 Uncertainty in time = +/- 3 secs Prediction of 2023 Feb 15.9 Data for the target star ------------------------ * name: UCAC4 466-047189 * constellation : Virgo * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 12 03 27.3695 DE: +03 07 57.754 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 12 03 27.3696 DE: +03 07 57.754 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 11.9 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (257) Silesia asteroid class: approx. diameter [km]: 76 approx. diameter ["]: 0.047 distance from Earth [AU]: 2.22660 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#57 date of fit: 2023 Feb 07 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): 0.027", 0.004", 117.466° remarks: * orbital elements for (257)Silesia : Mean anomaly = 97.4972247555 deg Arg. of pericenter = 31.8261145276 deg Long. of node = 34.0512695572 deg Inclination = 3.6130441009 deg Eccentricity = 0.1122479876 Semimajor axis = 3.1199123652 AU Perihelion dist = 2.7697084806 AU Mag: H = 9.50, G = 0.15 Epoch of elements : MJD 60011.73298611 TDT (2023 Mar 08.7330) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#572023Feb07,5.81,2023,3,8,17.592193,0.032077,0.083766,-6.897608,2.672213,-0.001261,0.000193,0.000001,-0.000001 111.1167,3.0024,-81.19,-4.79,False UCAC4 466-047189,12.05760265,3.1327095,0.00,11.87,0.00,0.0,4,,12.07758354,3.0023836,2.39,0.00,0,0,0 257,Silesia,14.13,76.2,2.2266,0,0,-1.819,10.55,,3.8,0 0,97.3661,2023,3,8,31.8261,34.0513,3.6130,0.11225,3.11991,2.76971,9.51,5.0,0.15 1.100,0.0273,0.0037,117,0.0047,Known errors,-1.00,-1,-1,-1 20230308_047189,59990.87 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Feb 15, 20:46 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org