IOTA/IOTA-ES occultation update for (2778) Tangshan / TYC 1374-00199-1 event on 2024 Oct 17, 03:36 UT Visible from Summary ------- On 2024 Oct 17 UT, the 12.65 km diameter asteroid (2778) Tangshan will occult a 10.4 mag star in the constellation Gemini for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.27 mag to 17.65 mag (the magnitude of the asteroid) for at most 0.720 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 17, 03:31 - 2024 Oct 17, 03:42 * geocentric midpoint of event [JD]: 2460600.65058829 * magnitude of target star: 10.38 * magnitude drop [mag]: 7.27 * estimated maximum duration [s]: 0.720 * Moon: 100 % sunlit, 97° distance * Sun: 88° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 14 * 1 sigma uncertainty interval [path widths]: +/- 0.27 * 1 sigma uncertainty interval [seconds]: +/- 1.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.014, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.014", 0.002", 95°) * approx speed of asteroid's shadow [km/s]: 17.6269 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1374-00199-1 by 2778 Tangshan on 2024 Oct 17 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 - 61 0 0 24 53 15 3 31 12.9 0 67 -74 24 49 15 24 57 15 24 47 8 24 59 22 .... - 60 0 0 25 16 14 3 31 12.9 1 68 -74 25 12 15 25 20 14 25 10 8 25 22 21 -0.35 - 59 0 0 25 39 7 3 31 13.1 2 68 -74 25 35 7 25 43 6 25 33 1 25 45 13 -0.37 - 58 0 0 26 1 51 3 31 13.5 3 69 -73 25 57 52 26 5 51 25 55 45 26 7 58 -0.38 - 57 0 0 26 24 28 3 31 13.9 4 69 -73 26 20 29 26 28 27 26 18 22 26 30 34 -0.38 - 56 0 0 26 46 56 3 31 14.4 5 69 -73 26 42 57 26 50 55 26 40 50 26 53 2 -0.38 - 55 0 0 27 9 15 3 31 15.1 6 70 -72 27 5 16 27 13 14 27 3 9 27 15 20 -0.38 - 54 0 0 27 31 24 3 31 15.8 7 70 -72 27 27 25 27 35 22 27 25 18 27 37 29 -0.38 - 53 0 0 27 53 23 3 31 16.7 8 71 -71 27 49 24 27 57 21 27 47 18 27 59 28 -0.38 - 52 0 0 28 15 11 3 31 17.6 9 71 -71 28 11 13 28 19 9 28 9 6 28 21 16 -0.39 - 51 0 0 28 36 48 3 31 18.7 10 72 -70 28 32 50 28 40 47 28 30 44 28 42 53 -0.39 - 50 0 0 28 58 14 3 31 19.8 11 72 -70 28 54 16 29 2 12 28 52 10 29 4 19 -0.39 - 49 0 0 29 19 28 3 31 21.1 12 73 -69 29 15 31 29 23 26 29 13 25 29 25 32 -0.39 - 48 0 0 29 40 30 3 31 22.5 13 73 -68 29 36 33 29 44 28 29 34 27 29 46 34 -0.39 - 47 0 0 30 1 20 3 31 23.9 14 74 -68 29 57 22 30 5 17 29 55 16 30 7 23 -0.39 - 46 0 0 30 21 56 3 31 25.5 15 74 -67 30 17 59 30 25 53 30 15 53 30 27 59 -0.39 - 45 0 0 30 42 18 3 31 27.1 16 75 -66 30 38 22 30 46 15 30 36 16 30 48 21 -0.39 - 44 0 0 31 2 28 3 31 28.8 16 75 -65 30 58 31 31 6 24 30 56 26 31 8 30 -0.39 - 43 0 0 31 22 22 3 31 30.7 17 76 -65 31 18 26 31 26 19 31 16 21 31 28 24 -0.39 - 42 0 0 31 42 3 3 31 32.6 18 77 -64 31 38 7 31 45 59 31 36 2 31 48 4 -0.39 - 41 0 0 32 1 29 3 31 34.6 19 77 -63 31 57 33 32 5 25 31 55 28 32 7 30 -0.39 - 40 0 0 32 20 40 3 31 36.6 20 78 -62 32 16 44 32 24 35 32 14 39 32 26 40 -0.39 - 39 0 0 32 39 35 3 31 38.8 21 78 -62 32 35 40 32 43 30 32 33 35 32 45 35 -0.39 - 38 0 0 32 58 15 3 31 41.0 22 79 -61 32 54 20 33 2 10 32 52 16 33 4 14 -0.39 - 37 0 0 33 16 39 3 31 43.3 23 79 -60 33 12 44 33 20 33 33 10 40 33 22 38 -0.39 - 36 0 0 33 34 47 3 31 45.7 24 80 -59 33 30 52 33 38 41 33 28 49 33 40 45 -0.39 - 35 0 0 33 52 38 3 31 48.2 25 81 -59 33 48 44 33 56 32 33 46 41 33 58 36 -0.39 - 34 0 0 34 10 13 3 31 50.7 25 81 -58 34 6 20 34 14 7 34 4 16 34 16 10 -0.39 - 33 0 0 34 27 31 3 31 53.4 26 82 -57 34 23 38 34 31 24 34 21 35 34 33 28 -0.39 - 32 0 0 34 44 32 3 31 56.0 27 83 -56 34 40 40 34 48 25 34 38 36 34 50 29 -0.39 - 31 0 0 35 1 16 3 31 58.8 28 83 -55 34 57 24 35 5 9 34 55 21 35 7 12 -0.39 - 30 0 0 35 17 43 3 32 1.6 29 84 -55 35 13 51 35 21 35 35 11 48 35 23 38 -0.39 - 29 0 0 35 33 52 3 32 4.5 30 85 -54 35 30 0 35 37 44 35 27 58 35 39 47 -0.39 - 28 0 0 35 49 44 3 32 7.4 31 85 -53 35 45 52 35 53 35 35 43 50 35 55 38 -0.39 - 27 0 0 36 5 17 3 32 10.4 31 86 -52 36 1 26 36 9 8 35 59 24 36 11 11 -0.39 - 26 0 0 36 20 33 3 32 13.5 32 87 -51 36 16 42 36 24 24 36 14 40 36 26 26 -0.39 - 25 0 0 36 35 31 3 32 16.6 33 88 -50 36 31 40 36 39 21 36 29 38 36 41 23 -0.39 - 24 0 0 36 50 10 3 32 19.7 34 88 -50 36 46 20 36 54 0 36 44 18 36 56 2 -0.38 - 23 0 0 37 4 31 3 32 23.0 35 89 -49 37 0 42 37 8 21 36 58 40 37 10 22 -0.38 - 22 0 0 37 18 34 3 32 26.2 35 90 -48 37 14 45 37 22 23 37 12 43 37 24 25 -0.38 - 21 0 0 37 32 18 3 32 29.5 36 91 -47 37 28 29 37 36 7 37 26 28 37 38 8 -0.38 - 20 0 0 37 45 44 3 32 32.9 37 91 -46 37 41 55 37 49 32 37 39 54 37 51 33 -0.38 - 19 0 0 37 58 51 3 32 36.3 38 92 -46 37 55 3 38 2 39 37 53 2 38 4 40 -0.38 - 18 0 0 38 11 39 3 32 39.8 39 93 -45 38 7 51 38 15 27 38 5 51 38 17 28 -0.38 - 17 0 0 38 24 9 3 32 43.3 39 94 -44 38 20 21 38 27 56 38 18 21 38 29 57 -0.38 - 16 0 0 38 36 19 3 32 46.9 40 95 -43 38 32 32 38 40 7 38 30 32 38 42 7 -0.38 - 15 0 0 38 48 11 3 32 50.5 41 96 -42 38 44 25 38 51 58 38 42 24 38 53 58 -0.38 - 14 0 0 38 59 44 3 32 54.1 42 96 -42 38 55 58 39 3 31 38 53 58 39 5 31 -0.38 - 13 0 0 39 10 58 3 32 57.8 42 97 -41 39 7 12 39 14 44 39 5 12 39 16 44 -0.38 - 12 0 0 39 21 53 3 33 1.5 43 98 -40 39 18 8 39 25 39 39 16 8 39 27 39 -0.38 - 11 0 0 39 32 29 3 33 5.3 44 99 -39 39 28 44 39 36 15 39 26 45 39 38 14 -0.38 - 10 0 0 39 42 46 3 33 9.1 45 100 -39 39 39 1 39 46 32 39 37 2 39 48 31 -0.38 - 9 0 0 39 52 44 3 33 12.9 45 101 -38 39 49 0 39 56 29 39 47 1 39 58 28 -0.38 - 8 0 0 40 2 23 3 33 16.8 46 102 -37 39 58 39 40 6 8 39 56 40 40 8 7 -0.38 - 7 0 0 40 11 43 3 33 20.7 47 103 -36 40 7 59 40 15 28 40 6 0 40 17 26 -0.38 - 6 0 0 40 20 44 3 33 24.6 48 104 -35 40 17 0 40 24 28 40 15 2 40 26 27 -0.38 - 5 0 0 40 29 26 3 33 28.6 48 105 -35 40 25 42 40 33 10 40 23 44 40 35 8 -0.38 - 4 0 0 40 37 49 3 33 32.6 49 106 -34 40 34 5 40 41 32 40 32 7 40 43 31 -0.38 - 3 0 0 40 45 52 3 33 36.6 50 107 -33 40 42 9 40 49 36 40 40 11 40 51 34 -0.38 - 2 0 0 40 53 37 3 33 40.7 50 108 -32 40 49 54 40 57 20 40 47 56 40 59 18 -0.38 - 1 0 0 41 1 3 3 33 44.8 51 109 -31 40 57 20 41 4 45 40 55 22 41 6 43 -0.38 0 0 0 41 8 9 3 33 48.9 52 111 -31 41 4 27 41 11 52 41 2 29 41 13 49 -0.38 1 0 0 41 14 57 3 33 53.0 52 112 -30 41 11 15 41 18 39 41 9 17 41 20 37 -0.38 2 0 0 41 21 25 3 33 57.2 53 113 -29 41 17 43 41 25 7 41 15 46 41 27 5 -0.38 3 0 0 41 27 35 3 34 1.4 54 114 -28 41 23 53 41 31 16 41 21 55 41 33 14 -0.38 4 0 0 41 33 25 3 34 5.6 54 115 -28 41 29 44 41 37 7 41 27 46 41 39 4 -0.38 5 0 0 41 38 56 3 34 9.9 55 117 -27 41 35 15 41 42 38 41 33 18 41 44 35 -0.38 6 0 0 41 44 9 3 34 14.1 56 118 -26 41 40 28 41 47 50 41 38 31 41 49 47 -0.38 7 0 0 41 49 2 3 34 18.4 56 119 -25 41 45 21 41 52 43 41 43 25 41 54 40 -0.38 8 0 0 41 53 37 3 34 22.7 57 121 -25 41 49 56 41 57 18 41 47 59 41 59 15 -0.38 9 0 0 41 57 52 3 34 27.1 58 122 -24 41 54 12 42 1 33 41 52 15 42 3 30 -0.38 10 0 0 42 1 49 3 34 31.4 58 123 -23 41 58 9 42 5 30 41 56 12 42 7 27 -0.38 11 0 0 42 5 27 3 34 35.8 59 125 -22 42 1 47 42 9 7 41 59 50 42 11 4 -0.38 12 0 0 42 8 46 3 34 40.2 59 126 -22 42 5 5 42 12 26 42 3 9 42 14 23 -0.38 13 0 0 42 11 45 3 34 44.7 60 128 -21 42 8 5 42 15 26 42 6 9 42 17 22 -0.38 14 0 0 42 14 27 3 34 49.1 61 129 -20 42 10 47 42 18 7 42 8 50 42 20 3 -0.38 15 0 0 42 16 49 3 34 53.6 61 131 -19 42 13 9 42 20 29 42 11 12 42 22 25 -0.38 16 0 0 42 18 52 3 34 58.1 62 133 -19 42 15 12 42 22 32 42 13 16 42 24 28 -0.38 17 0 0 42 20 36 3 35 2.6 62 134 -18 42 16 56 42 24 16 42 15 0 42 26 13 -0.38 18 0 0 42 22 2 3 35 7.1 63 136 -17 42 18 22 42 25 41 42 16 26 42 27 38 -0.38 19 0 0 42 23 8 3 35 11.6 63 138 -16 42 19 29 42 26 48 42 17 32 42 28 44 -0.38 20 0 0 42 23 56 3 35 16.2 64 140 -16 42 20 16 42 27 36 42 18 20 42 29 32 -0.38 21 0 0 42 24 25 3 35 20.8 64 142 -15 42 20 45 42 28 4 42 18 49 42 30 1 -0.38 22 0 0 42 24 35 3 35 25.4 65 144 -14 42 20 55 42 28 14 42 18 59 42 30 11 -0.38 23 0 0 42 24 26 3 35 30.0 65 146 -13 42 20 46 42 28 5 42 18 50 42 30 2 -0.38 24 0 0 42 23 58 3 35 34.6 65 148 -13 42 20 18 42 27 38 42 18 22 42 29 34 -0.38 25 0 0 42 23 11 3 35 39.2 66 150 -12 42 19 32 42 26 51 42 17 35 42 28 47 -0.38 26 0 0 42 22 6 3 35 43.9 66 152 -11 42 18 26 42 25 45 42 16 30 42 27 42 -0.38 27 0 0 42 20 41 3 35 48.6 67 154 -10 42 17 1 42 24 21 42 15 5 42 26 17 -0.38 28 0 0 42 18 58 3 35 53.3 67 156 -9 42 15 18 42 22 37 42 13 21 42 24 34 -0.38 29 0 0 42 16 55 3 35 58.0 67 159 -9 42 13 15 42 20 35 42 11 19 42 22 32 -0.38 30 0 0 42 14 34 3 36 2.7 67 161 -8 42 10 54 42 18 14 42 8 58 42 20 11 -0.38 31 0 0 42 11 54 3 36 7.5 68 164 -7 42 8 14 42 15 34 42 6 17 42 17 30 -0.38 32 0 0 42 8 54 3 36 12.2 68 166 -6 42 5 14 42 12 35 42 3 18 42 14 31 -0.38 33 0 0 42 5 36 3 36 17.0 68 169 -6 42 1 56 42 9 17 41 59 59 42 11 13 -0.38 34 0 0 42 1 59 3 36 21.8 68 171 -5 41 58 19 42 5 39 41 56 22 42 7 36 -0.38 35 0 0 41 58 3 3 36 26.6 69 174 -4 41 54 22 42 1 43 41 52 25 42 3 40 -0.38 36 0 0 41 53 47 3 36 31.4 69 176 -3 41 50 7 41 57 28 41 48 10 41 59 25 -0.38 37 0 0 41 49 13 3 36 36.2 69 179 -3 41 45 32 41 52 54 41 43 35 41 54 51 -0.39 38 0 0 41 44 20 3 36 41.0 69 182 -2 41 40 39 41 48 1 41 38 42 41 49 58 -0.39 39 0 0 41 39 7 3 36 45.9 69 184 -1 41 35 26 41 42 48 41 33 29 41 44 46 -0.39 40 0 0 41 33 35 3 36 50.7 69 187 0 41 29 54 41 37 17 41 27 57 41 39 14 -0.39 41 0 0 41 27 45 3 36 55.6 69 190 0 41 24 3 41 31 26 41 22 6 41 33 24 -0.39 42 0 0 41 21 35 3 37 0.5 69 192 1 41 17 53 41 25 16 41 15 55 41 27 14 -0.39 43 0 0 41 15 5 3 37 5.4 69 195 2 41 11 23 41 18 47 41 9 26 41 20 45 -0.39 44 0 0 41 8 17 3 37 10.3 69 198 3 41 4 35 41 11 59 41 2 37 41 13 57 -0.39 45 0 0 41 1 9 3 37 15.2 69 200 3 40 57 27 41 4 52 40 55 29 41 6 50 -0.39 46 0 0 40 53 43 3 37 20.1 68 203 4 40 50 0 40 57 26 40 48 2 40 59 24 -0.39 47 0 0 40 45 57 3 37 25.1 68 206 5 40 42 14 40 49 40 40 40 16 40 51 38 -0.39 48 0 0 40 37 51 3 37 30.0 68 208 6 40 34 8 40 41 35 40 32 10 40 43 33 -0.39 49 0 0 40 29 27 3 37 34.9 68 211 7 40 25 43 40 33 10 40 23 45 40 35 9 -0.39 50 0 0 40 20 43 3 37 39.9 67 213 7 40 16 59 40 24 27 40 15 1 40 26 26 -0.39 51 0 0 40 11 40 3 37 44.8 67 216 8 40 7 56 40 15 24 40 5 57 40 17 23 -0.39 52 0 0 40 2 17 3 37 49.8 67 218 9 39 58 33 40 6 2 39 56 34 40 8 1 -0.39 53 0 0 39 52 35 3 37 54.8 66 220 10 39 48 51 39 56 20 39 46 52 39 58 19 -0.39 54 0 0 39 42 34 3 37 59.8 66 223 11 39 38 49 39 46 19 39 36 50 39 48 18 -0.39 55 0 0 39 32 14 3 38 4.7 66 225 11 39 28 28 39 35 59 39 26 29 39 37 58 -0.39 56 0 0 39 21 34 3 38 9.7 65 227 12 39 17 48 39 25 20 39 15 49 39 27 19 -0.39 57 0 0 39 10 35 3 38 14.7 65 229 13 39 6 49 39 14 21 39 4 49 39 16 21 -0.39 58 0 0 38 59 16 3 38 19.7 64 231 14 38 55 30 39 3 3 38 53 30 39 5 3 -0.39 59 0 0 38 47 39 3 38 24.6 64 233 15 38 43 52 38 51 26 38 41 52 38 53 26 -0.39 60 0 0 38 35 42 3 38 29.6 63 235 15 38 31 55 38 39 29 38 29 55 38 41 29 -0.39 61 0 0 38 23 26 3 38 34.6 63 237 16 38 19 39 38 27 13 38 17 38 38 29 14 -0.39 62 0 0 38 10 51 3 38 39.6 62 238 17 38 7 3 38 14 39 38 5 3 38 16 39 -0.39 63 0 0 37 57 56 3 38 44.5 62 240 18 37 54 8 38 1 45 37 52 8 38 3 45 -0.39 64 0 0 37 44 43 3 38 49.5 61 242 19 37 40 55 37 48 32 37 38 54 37 50 33 -0.39 65 0 0 37 31 11 3 38 54.4 60 244 19 37 27 22 37 34 59 37 25 21 37 37 1 -0.39 66 0 0 37 17 19 3 38 59.4 60 245 20 37 13 30 37 21 8 37 11 29 37 23 10 -0.39 67 0 0 37 3 9 3 39 4.3 59 247 21 36 59 20 37 6 59 36 57 18 37 9 0 -0.39 68 0 0 36 48 40 3 39 9.3 58 248 22 36 44 50 36 52 30 36 42 48 36 54 32 -0.39 69 0 0 36 33 52 3 39 14.2 58 250 23 36 30 2 36 37 43 36 28 0 36 39 45 -0.39 70 0 0 36 18 46 3 39 19.1 57 251 24 36 14 55 36 22 36 36 12 53 36 24 39 -0.39 71 0 0 36 3 21 3 39 23.9 56 252 24 35 59 30 36 7 12 35 57 28 36 9 14 -0.39 72 0 0 35 47 38 3 39 28.8 56 254 25 35 43 46 35 51 29 35 41 44 35 53 32 -0.39 73 0 0 35 31 36 3 39 33.7 55 255 26 35 27 44 35 35 28 35 25 42 35 37 31 -0.39 74 0 0 35 15 17 3 39 38.5 54 256 27 35 11 24 35 19 9 35 9 22 35 21 12 -0.39 75 0 0 34 58 39 3 39 43.3 53 257 28 34 54 47 35 2 32 34 52 43 35 4 35 -0.39 76 0 0 34 41 44 3 39 48.1 53 259 29 34 37 51 34 45 37 34 35 47 34 47 40 -0.39 77 0 0 34 24 31 3 39 52.8 52 260 29 34 20 37 34 28 24 34 18 34 34 30 28 -0.39 78 0 0 34 7 0 3 39 57.5 51 261 30 34 3 7 34 10 54 34 1 3 34 12 58 -0.39 79 0 0 33 49 13 3 40 2.2 50 262 31 33 45 19 33 53 7 33 43 15 33 55 11 -0.39 80 0 0 33 31 8 3 40 6.9 49 263 32 33 27 14 33 35 2 33 25 10 33 37 7 -0.39 81 0 0 33 12 47 3 40 11.5 49 264 33 33 8 52 33 16 41 33 6 48 33 18 46 -0.39 82 0 0 32 54 9 3 40 16.1 48 265 34 32 50 14 32 58 4 32 48 9 33 0 8 -0.39 83 0 0 32 35 14 3 40 20.7 47 266 34 32 31 19 32 39 10 32 29 15 32 41 15 -0.39 84 0 0 32 16 4 3 40 25.2 46 267 35 32 12 9 32 20 0 32 10 4 32 22 5 -0.39 85 0 0 31 56 38 3 40 29.7 45 268 36 31 52 42 32 0 34 31 50 37 32 2 39 -0.39 86 0 0 31 36 57 3 40 34.1 44 269 37 31 33 0 31 40 53 31 30 55 31 42 58 -0.39 87 0 0 31 17 0 3 40 38.5 44 270 38 31 13 3 31 20 56 31 10 58 31 23 2 -0.39 88 0 0 30 56 48 3 40 42.8 43 270 39 30 52 52 31 0 45 30 50 46 31 2 51 -0.39 89 0 0 30 36 22 3 40 47.1 42 271 40 30 32 25 30 40 20 30 30 20 30 42 25 -0.39 90 0 0 30 15 42 3 40 51.3 41 272 40 30 11 45 30 19 40 30 9 39 30 21 46 -0.39 91 0 0 29 54 48 3 40 55.5 40 273 41 29 50 51 29 58 46 29 48 45 30 0 52 -0.39 92 0 0 29 33 41 3 40 59.6 39 274 42 29 29 43 29 37 39 29 27 37 29 39 45 -0.39 93 0 0 29 12 21 3 41 3.6 38 274 43 29 8 23 29 16 19 29 6 16 29 18 25 -0.39 94 0 0 28 50 48 3 41 7.6 37 275 44 28 46 50 28 54 46 28 44 43 28 56 53 -0.39 95 0 0 28 29 3 3 41 11.5 36 276 45 28 25 4 28 33 2 28 22 58 28 35 8 -0.40 96 0 0 28 7 6 3 41 15.4 36 276 45 28 3 7 28 11 5 28 1 1 28 13 12 -0.40 97 0 0 27 44 58 3 41 19.2 35 277 46 27 40 59 27 48 57 27 38 53 27 51 4 -0.40 98 0 0 27 22 39 3 41 22.9 34 278 47 27 18 40 27 26 38 27 16 33 27 28 45 -0.40 99 0 0 27 0 10 3 41 26.5 33 278 48 26 56 11 27 4 9 26 54 4 27 6 16 -0.40 100 0 0 26 37 31 3 41 30.0 32 279 49 26 33 31 26 41 30 26 31 25 26 43 37 -0.40 101 0 0 26 14 42 3 41 33.5 31 279 50 26 10 43 26 18 42 26 8 36 26 20 49 -0.40 102 0 0 25 51 45 3 41 36.9 30 280 50 25 47 45 25 55 45 25 45 38 25 57 52 -0.40 103 0 0 25 28 40 3 41 40.2 29 281 51 25 24 40 25 32 40 25 22 33 25 34 47 -0.40 104 0 0 25 5 26 3 41 43.4 28 281 52 25 1 26 25 9 26 24 59 19 25 11 34 -0.40 105 0 0 24 42 6 3 41 46.5 27 282 53 24 38 6 24 46 6 24 35 59 24 48 13 -0.40 106 0 0 24 18 39 3 41 49.5 26 282 53 24 14 39 24 22 39 24 12 31 24 24 46 -0.40 107 0 0 23 55 5 3 41 52.4 25 283 54 23 51 5 23 59 6 23 48 58 24 1 13 -0.40 108 0 0 23 31 27 3 41 55.2 24 283 55 23 27 26 23 35 27 23 25 19 23 37 34 -0.40 109 0 0 23 7 43 3 41 58.0 23 284 56 23 3 43 23 11 43 23 1 35 23 13 51 -0.40 110 0 0 22 43 55 3 42 0.6 22 284 56 22 39 54 22 47 55 22 37 47 22 50 2 -0.40 111 0 0 22 20 3 3 42 3.1 21 285 57 22 16 3 22 24 3 22 13 55 22 26 11 -0.41 112 0 0 21 56 8 3 42 5.5 20 285 58 21 52 8 22 0 8 21 50 0 22 2 15 -0.41 113 0 0 21 32 10 3 42 7.8 19 285 58 21 28 10 21 36 11 21 26 3 21 38 18 -0.41 114 0 0 21 8 11 3 42 10.0 18 286 59 21 4 11 21 12 11 21 2 3 21 14 18 -0.41 115 0 0 20 44 10 3 42 12.1 17 286 59 20 40 10 20 48 10 20 38 3 20 50 17 -0.41 116 0 0 20 20 8 3 42 14.0 16 287 60 20 16 8 20 24 8 20 14 1 20 26 16 -0.41 117 0 0 19 56 7 3 42 15.9 15 287 61 19 52 7 20 0 7 19 50 0 20 2 14 -0.41 118 0 0 19 32 6 3 42 17.6 14 287 61 19 28 6 19 36 5 19 25 59 19 38 13 -0.42 119 0 0 19 8 6 3 42 19.2 13 288 61 19 4 6 19 12 5 19 1 59 19 14 12 -0.42 120 0 0 18 44 7 3 42 20.7 12 288 62 18 40 8 18 48 7 18 38 1 18 50 14 -0.42 121 0 0 18 20 11 3 42 22.1 11 288 62 18 16 12 18 24 11 18 14 5 18 26 18 -0.42 122 0 0 17 56 19 3 42 23.3 10 289 63 17 52 19 18 0 18 17 50 13 18 2 25 -0.43 123 0 0 17 32 30 3 42 24.5 9 289 63 17 28 30 17 36 29 17 26 24 17 38 35 -0.43 124 0 0 17 8 44 3 42 25.5 8 289 63 17 4 46 17 12 43 17 2 39 17 14 50 -0.44 125 0 0 16 45 4 3 42 26.3 7 290 64 16 41 5 16 49 3 16 38 59 16 51 10 -0.44 126 0 0 16 21 29 3 42 27.1 6 290 64 16 17 31 16 25 28 16 15 25 16 27 35 -0.45 127 0 0 15 58 1 3 42 27.7 5 290 64 15 54 2 16 1 59 15 51 56 16 4 5 -0.47 128 0 0 15 34 38 3 42 28.2 4 290 64 15 30 40 15 38 37 15 28 34 15 40 43 -0.49 129 0 0 15 11 23 3 42 28.6 2 291 64 15 7 26 15 15 21 15 5 20 15 17 27 -0.53 130 0 0 14 48 16 3 42 28.8 1 291 64 14 44 18 14 52 14 14 42 13 14 54 20 -0.63 131 0 0 14 25 17 3 42 29.0 0 291 64 14 21 20 14 29 15 14 19 14 14 31 20 -1.24 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: TYC 1374-00199-1 * constellation : Gemini * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 07 49 18.1626 DE: +20 42 03.724 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 07 49 18.1627 DE: +20 42 03.723 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.4 * B mag [mag]: 10.6 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (2778) Tangshan asteroid class: approx. diameter [km]: 13 approx. diameter ["]: 0.009 distance from Earth [AU]: 1.93790 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#44 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): 0.014", 0.002", 95.055° remarks: * orbital elements for (2778)Tangshan : Mean anomaly = 56.7890136304 deg Arg. of pericenter = 286.5791179261 deg Long. of node = 91.9020805549 deg Inclination = 4.6149935329 deg Eccentricity = 0.1217435978 Semimajor axis = 2.2817468730 AU Perihelion dist = 2.0039587994 AU Mag: H = 13.32, G = 0.15 Epoch of elements : MJD 60600.15058792 TDT (2024 Oct 17.1506) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#442023Apr24,0.72,2024,10,17,3.614119,0.035010,0.353693,9.900836,-0.978959,-0.005333,0.001001,0.000000,0.000000 37.3392,20.6398,122.12,-9.41,False TYC 1374-00199-1,7.82171180,20.7010344,10.57,10.38,10.28,0.0,0,,7.84593850,20.6398295,7.27,6.93,0,0,0 2778,Tangshan,17.65,12.650,1.9379,0,0,3.201,-4.45,,0.6,0 0,56.7460,2024,10,17,286.5791,91.9021,4.6150,0.12174,2.28175,2.00396,13.32,5.0,0.15 1.265,0.0143,0.0024,95,0.0024,Known errors,0.97,0,-1,-1 20241017_0199-1,60140.64 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 15:21 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org