IOTA/IOTA-ES occultation update for (283) Emma / TYC 1828-01791-1 event on 2021 Jan 11, 18:46 UT Visible from Russia, Arabia, Africa Summary ------- On 2021 Jan 11 UT, the 131.1 km diameter asteroid (283) Emma will occult a 12.2 mag star in the constellation Taurus for observers along a path across Russia, Arabia, Africa. In the case of an occultation, the combined light of the asteroid and the star will drop by 1.50 mag to 13.35 mag (the magnitude of the asteroid) for at most 20.9 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Hugh Harris, astrometry for the asteroid kindly provided by Bill Owen, 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: 2021 Jan 11, 18:28 - 2021 Jan 11, 19:03 * geocentric midpoint of event [JD]: 2459226.28200417 * magnitude of target star: 12.16 * magnitude drop [mag]: 1.50 * estimated maximum duration [s]: 20.9 * Moon: 3 % sunlit, 156° distance * Sun: 137° distance * rough path description: Russia, Arabia, Africa Additional comments ------------------- no pm in DR2 The occultation path -------------------- * approximate projected width [km]: 131 * 1 sigma uncertainty interval [path widths]: +/- 0.21 * 1 sigma uncertainty interval [seconds]: +/- 4.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.022, +/- 0.012) * 1 sigma uncertainty ellipse (major, minor, PA): (0.022", 0.012", 85°) * approx speed of asteroid's shadow [km/s]: 6.2601 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1828-01791-1 by 283 Emma on 2021 Jan 11 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 ' " Longitude Longitude Longitude Longitude .. .. .. -40 0 0 .. .. .... .. .. .. ... .. .. - 32 26 1 ... .. .. - 31 56 24 .... - 32 4 40 -39 0 0 19 3 3.6 1 50 27 - 33 15 51 - 30 54 33 - 33 45 35 - 30 25 54 .... - 30 35 8 -38 0 0 19 3 2.6 3 49 26 - 31 44 0 - 29 27 13 - 32 12 43 - 28 59 27 -0.05 - 29 9 32 -37 0 0 19 3 1.0 4 48 25 - 30 16 18 - 28 3 36 - 30 44 8 - 27 36 37 -0.03 - 27 47 28 -36 0 0 19 2 58.7 6 47 24 - 28 52 21 - 26 43 20 - 29 19 22 - 26 17 4 -0.02 - 26 28 34 -35 0 0 19 2 55.8 7 47 22 - 27 31 45 - 25 26 4 - 27 58 2 - 25 0 28 -0.02 - 25 12 34 -34 0 0 19 2 52.3 9 46 21 - 26 14 12 - 24 11 34 - 26 39 49 - 23 46 33 -0.01 - 23 59 12 -33 0 0 19 2 48.2 10 45 20 - 24 59 24 - 22 59 33 - 25 24 25 - 22 35 5 -0.01 - 22 48 12 -32 0 0 19 2 43.6 12 45 19 - 23 47 6 - 21 49 49 - 24 11 34 - 21 25 51 -0.01 - 21 39 24 -31 0 0 19 2 38.4 13 44 17 - 22 37 6 - 20 42 10 - 23 1 3 - 20 18 40 0.00 - 20 32 36 -30 0 0 19 2 32.7 14 44 16 - 21 29 12 - 19 36 26 - 21 52 41 - 19 13 22 0.00 - 19 27 39 -29 0 0 19 2 26.5 16 43 15 - 20 23 13 - 18 32 28 - 20 46 17 - 18 9 47 0.00 - 18 24 23 -28 0 0 19 2 19.9 17 43 14 - 19 19 1 - 17 30 7 - 19 41 40 - 17 7 48 0.00 - 17 22 41 -27 0 0 19 2 12.7 18 42 13 - 18 16 26 - 16 29 15 - 18 38 43 - 16 7 17 0.00 - 16 22 25 -26 0 0 19 2 5.1 20 42 12 - 17 15 21 - 15 29 46 - 17 37 18 - 15 8 7 0.00 - 15 23 28 -25 0 0 19 1 57.0 21 41 11 - 16 15 40 - 14 31 34 - 16 37 17 - 14 10 12 0.00 - 14 25 46 -24 0 0 19 1 48.5 22 41 9 - 15 17 15 - 13 34 31 - 15 38 35 - 13 13 27 0.00 - 13 29 11 -23 0 0 19 1 39.6 24 41 8 - 14 20 1 - 12 38 34 - 14 41 4 - 12 17 45 0.00 - 12 33 39 -22 0 0 19 1 30.2 25 40 7 - 13 23 53 - 11 43 38 - 13 44 41 - 11 23 2 0.00 - 11 39 5 -21 0 0 19 1 20.4 26 40 6 - 12 28 45 - 10 49 36 - 12 49 19 - 10 29 14 0.01 - 10 45 25 -20 0 0 19 1 10.2 27 40 5 - 11 34 34 - 9 56 27 - 11 54 55 - 9 36 17 0.01 - 9 52 35 -19 0 0 19 0 59.6 29 39 4 - 10 41 15 - 9 4 4 - 11 1 23 - 8 44 6 0.01 - 9 0 30 -18 0 0 19 0 48.6 30 39 3 - 9 48 43 - 8 12 26 - 10 8 40 - 7 52 38 0.01 - 8 9 7 -17 0 0 19 0 37.3 31 39 2 - 8 56 56 - 7 21 28 - 9 16 42 - 7 1 49 0.01 - 7 18 24 -16 0 0 19 0 25.5 32 39 1 - 8 5 49 - 6 31 6 - 8 25 26 - 6 11 37 0.01 - 6 28 16 -15 0 0 19 0 13.4 34 38 0 - 7 15 20 - 5 41 19 - 7 34 48 - 5 21 58 0.01 - 5 38 41 -14 0 0 19 0 0.9 35 38 -2 - 6 25 25 - 4 52 2 - 6 44 45 - 4 32 49 0.01 - 4 49 35 -13 0 0 18 59 48.1 36 38 -3 - 5 36 2 - 4 3 14 - 5 55 14 - 3 44 8 0.01 - 4 0 57 -12 0 0 18 59 34.9 37 38 -4 - 4 47 8 - 3 14 52 - 5 6 13 - 2 55 52 0.01 - 3 12 43 -11 0 0 18 59 21.4 39 38 -5 - 3 58 39 - 2 26 52 - 4 17 38 - 2 7 58 0.01 - 2 24 52 -10 0 0 18 59 7.5 40 38 -6 - 3 10 34 - 1 39 14 - 3 29 28 - 1 20 25 0.00 - 1 37 20 - 9 0 0 18 58 53.3 41 38 -7 - 2 22 51 - 0 51 54 - 2 41 39 - 0 33 9 0.00 - 0 50 6 - 8 0 0 18 58 38.8 42 38 -8 - 1 35 26 - 0 4 50 - 1 54 10 0 13 51 0.00 - 0 3 7 - 7 0 0 18 58 24.0 44 38 -9 - 0 48 18 0 42 0 - 1 6 58 1 0 37 0.00 0 43 38 - 6 0 0 18 58 8.8 45 38 -10 - 0 1 25 1 28 38 - 0 20 1 1 47 12 0.00 1 30 12 - 5 0 0 18 57 53.4 46 38 -11 0 45 16 2 15 6 0 26 43 2 33 38 0.00 2 16 37 - 4 0 0 18 57 37.6 47 38 -12 1 31 47 3 1 26 1 13 16 3 19 56 0.00 3 2 55 - 3 0 0 18 57 21.5 48 38 -13 2 18 9 3 47 40 1 59 40 4 6 8 0.00 3 49 7 - 2 0 0 18 57 5.2 50 38 -14 3 4 24 4 33 50 2 45 56 4 52 17 0.00 4 35 16 - 1 0 0 18 56 48.6 51 38 -15 3 50 35 5 19 57 3 32 8 5 38 23 0.00 5 21 23 0 0 0 18 56 31.7 52 38 -16 4 36 43 6 6 4 4 18 16 6 24 30 0.00 6 7 31 1 0 0 18 56 14.5 53 38 -17 5 22 50 6 52 12 5 4 23 7 10 39 0.00 Latitude Latitude Latitude Latitude 7 0 0 2 8 14 18 55 54.6 55 38 -18 3 6 19 1 10 8 3 30 19 0 46 10 0.00 8 0 0 3 26 5 18 55 31.5 56 38 -20 4 24 8 2 28 3 4 48 6 2 4 5 0.00 9 0 0 4 43 42 18 55 8.1 58 38 -21 5 41 40 3 45 44 6 5 37 3 21 48 -0.01 10 0 0 6 1 0 18 54 44.4 59 38 -22 6 58 53 5 3 8 7 22 48 4 39 14 -0.01 11 0 0 7 17 54 18 54 20.3 61 39 -24 8 15 41 6 20 9 8 39 33 5 56 18 -0.01 12 0 0 8 34 20 18 53 56.1 62 39 -25 9 31 59 7 36 42 9 55 48 7 12 55 -0.01 13 0 0 9 50 13 18 53 31.6 64 39 -26 10 47 43 8 52 44 11 11 28 8 29 1 -0.01 14 0 0 11 5 28 18 53 7.0 66 40 -27 12 2 49 10 8 10 12 26 30 9 44 31 -0.01 15 0 0 12 20 2 18 52 42.3 67 40 -29 13 17 12 11 22 55 13 40 49 10 59 21 -0.01 16 0 0 13 33 51 18 52 17.6 69 41 -30 14 30 49 12 36 56 14 54 20 12 13 27 -0.02 17 0 0 14 46 51 18 51 52.8 70 41 -31 15 43 35 13 50 9 16 7 2 13 26 46 -0.02 18 0 0 15 58 58 18 51 28.0 71 42 -32 16 55 29 15 2 31 17 18 50 14 39 13 -0.02 19 0 0 17 10 9 18 51 3.2 73 43 -33 18 6 25 16 13 57 18 29 40 15 50 46 -0.02 20 0 0 18 20 22 18 50 38.6 74 44 -34 19 16 22 17 24 25 19 39 31 17 1 21 -0.02 21 0 0 19 29 33 18 50 14.0 76 45 -36 20 25 17 18 33 53 20 48 19 18 10 55 -0.02 22 0 0 20 37 41 18 49 49.6 77 46 -37 21 33 7 19 42 18 21 56 2 19 19 27 -0.02 23 0 0 21 44 42 18 49 25.4 78 47 -38 22 39 50 20 49 37 23 2 38 20 26 54 -0.03 24 0 0 22 50 34 18 49 1.4 80 49 -39 23 45 25 21 55 49 24 8 4 21 33 13 -0.03 25 0 0 23 55 17 18 48 37.6 81 51 -40 24 49 48 23 0 51 25 12 20 22 38 23 -0.03 26 0 0 24 58 48 18 48 14.1 82 54 -41 25 52 59 24 4 42 26 15 23 23 42 23 -0.03 27 0 0 26 1 6 18 47 50.8 83 57 -42 26 54 57 25 7 20 27 17 12 24 45 10 -0.03 28 0 0 27 2 11 18 47 27.8 85 62 -42 27 55 41 26 8 45 28 17 47 25 46 43 -0.03 29 0 0 28 2 0 18 47 5.2 86 70 -43 28 55 9 27 8 56 29 17 6 26 47 3 -0.04 30 0 0 29 0 34 18 46 42.8 86 84 -44 29 53 20 28 7 51 30 15 9 27 46 7 -0.04 31 0 0 29 57 51 18 46 20.9 87 108 -45 30 50 16 29 5 31 31 11 56 28 43 56 -0.05 32 0 0 30 53 52 18 45 59.2 87 142 -46 31 45 55 30 1 54 32 7 25 29 40 29 -0.05 33 0 0 31 48 37 18 45 37.9 86 170 -47 32 40 17 30 57 2 33 1 38 30 35 45 -0.05 34 0 0 32 42 5 18 45 17.0 86 186 -47 33 33 22 31 50 52 33 54 33 31 29 45 -0.05 35 0 0 33 34 16 18 44 56.5 85 195 -48 34 25 10 32 43 27 34 46 12 32 22 29 -0.04 36 0 0 34 25 11 18 44 36.3 84 201 -49 35 15 42 33 34 45 35 36 35 33 13 57 -0.04 37 0 0 35 14 51 18 44 16.6 83 205 -49 36 4 58 34 24 48 36 25 41 34 4 10 -0.04 38 0 0 36 3 16 18 43 57.2 82 208 -50 36 52 59 35 13 36 37 13 33 34 53 7 -0.04 39 0 0 36 50 25 18 43 38.2 81 210 -51 37 39 46 36 1 9 38 0 10 35 40 50 -0.04 40 0 0 37 36 22 18 43 19.6 80 212 -51 38 25 19 36 47 29 38 45 33 36 27 19 -0.04 41 0 0 38 21 5 18 43 1.4 79 214 -52 39 9 39 37 32 35 39 29 43 37 12 36 -0.04 42 0 0 39 4 36 18 42 43.5 78 216 -52 39 52 47 38 16 30 40 12 41 37 56 40 -0.04 43 0 0 39 46 56 18 42 26.1 77 217 -53 40 34 44 38 59 13 40 54 28 38 39 32 -0.04 44 0 0 40 28 6 18 42 9.0 76 218 -53 41 15 31 39 40 46 41 35 6 39 21 15 -0.04 45 0 0 41 8 8 18 41 52.3 75 219 -54 41 55 9 40 21 10 42 14 35 40 1 48 -0.04 46 0 0 41 47 1 18 41 35.9 74 220 -54 42 33 40 41 0 27 42 52 56 40 41 14 -0.04 47 0 0 42 24 48 18 41 19.9 73 221 -54 43 11 4 41 38 36 43 30 11 41 19 32 -0.05 48 0 0 43 1 29 18 41 4.3 72 222 -55 43 47 23 42 15 39 44 6 21 41 56 45 -0.05 49 0 0 43 37 6 18 40 49.0 71 223 -55 44 22 38 42 51 38 44 41 27 42 32 53 -0.05 50 0 0 44 11 41 18 40 34.1 71 224 -55 44 56 50 43 26 34 45 15 30 43 7 58 -0.05 51 0 0 44 45 13 18 40 19.4 70 225 -56 45 30 1 44 0 28 45 48 32 43 42 0 -0.05 52 0 0 45 17 45 18 40 5.2 69 226 -56 46 2 12 44 33 21 46 20 34 44 15 2 -0.05 53 0 0 45 49 17 18 39 51.2 68 227 -56 46 33 24 45 5 14 46 51 37 44 47 4 -0.05 54 0 0 46 19 52 18 39 37.5 67 228 -56 47 3 38 45 36 9 47 21 43 45 18 7 -0.05 55 0 0 46 49 30 18 39 24.2 66 229 -57 47 32 56 46 6 7 47 50 52 45 48 13 -0.05 56 0 0 47 18 12 18 39 11.1 66 229 -57 48 1 18 46 35 9 48 19 6 46 17 23 -0.05 57 0 0 47 46 0 18 38 58.4 65 230 -57 48 28 46 47 3 16 48 46 27 46 45 38 -0.05 58 0 0 48 12 55 18 38 45.9 64 231 -57 48 55 22 47 30 30 49 12 55 47 13 0 -0.05 59 0 0 48 38 57 18 38 33.7 63 232 -57 49 21 6 47 56 51 49 38 31 47 39 29 -0.05 60 0 0 49 4 9 18 38 21.7 62 233 -57 49 46 0 48 22 21 50 3 17 48 5 6 -0.05 61 0 0 49 28 32 18 38 10.0 62 234 -57 50 10 4 48 47 1 50 27 14 48 29 54 -0.05 62 0 0 49 52 5 18 37 58.6 61 234 -57 50 33 21 49 10 52 50 50 23 48 53 52 -0.05 63 0 0 50 14 52 18 37 47.4 60 235 -58 50 55 50 49 33 55 51 12 46 49 17 2 -0.05 64 0 0 50 36 51 18 37 36.4 60 236 -58 51 17 33 49 56 12 51 34 22 49 39 25 -0.05 65 0 0 50 58 6 18 37 25.7 59 237 -58 51 38 31 50 17 42 51 55 13 50 1 2 -0.05 66 0 0 51 18 36 18 37 15.2 58 238 -58 51 58 46 50 38 28 52 15 21 50 21 54 -0.05 67 0 0 51 38 22 18 37 4.9 58 238 -58 52 18 17 50 58 30 52 34 46 50 42 2 -0.05 68 0 0 51 57 26 18 36 54.9 57 239 -58 52 37 6 51 17 48 52 53 29 51 1 27 -0.05 69 0 0 52 15 49 18 36 45.0 56 240 -58 52 55 14 51 36 25 53 11 31 51 20 10 -0.05 70 0 0 52 33 31 18 36 35.3 56 241 -58 53 12 42 51 54 21 53 28 53 51 38 12 -0.05 71 0 0 52 50 33 18 36 25.8 55 242 -57 53 29 31 52 11 37 53 45 36 51 55 33 -0.05 72 0 0 53 6 56 18 36 16.5 54 242 -57 53 45 41 52 28 13 54 1 41 52 12 15 -0.05 73 0 0 53 22 41 18 36 7.4 54 243 -57 54 1 13 52 44 11 54 17 8 52 28 18 -0.04 74 0 0 53 37 49 18 35 58.4 53 244 -57 54 16 8 52 59 31 54 31 58 52 43 43 -0.04 75 0 0 53 52 20 18 35 49.7 52 245 -57 54 30 27 53 14 14 54 46 12 52 58 30 -0.04 76 0 0 54 6 15 18 35 41.0 52 246 -57 54 44 11 53 28 20 54 59 51 53 12 41 -0.04 77 0 0 54 19 34 18 35 32.6 51 246 -57 54 57 19 53 41 51 55 12 55 53 26 17 -0.04 78 0 0 54 32 19 18 35 24.3 51 247 -57 55 9 54 53 54 46 55 25 25 53 39 17 -0.04 79 0 0 54 44 31 18 35 16.1 50 248 -57 55 21 55 54 7 8 55 37 22 53 51 42 -0.04 80 0 0 54 56 8 18 35 8.1 49 249 -57 55 33 23 54 18 55 55 48 45 54 3 33 -0.04 81 0 0 55 7 13 18 35 0.2 49 250 -56 55 44 18 54 30 9 55 59 37 54 14 51 -0.04 82 0 0 55 17 46 18 34 52.4 48 251 -56 55 54 42 54 40 51 56 9 57 54 25 37 -0.04 83 0 0 55 27 47 18 34 44.8 48 251 -56 56 4 34 54 51 0 56 19 46 54 35 50 -0.04 84 0 0 55 37 16 18 34 37.3 47 252 -56 56 13 55 55 0 38 56 29 4 54 45 30 -0.04 85 0 0 55 46 15 18 34 30.0 47 253 -56 56 22 46 55 9 44 56 37 52 54 54 40 -0.04 86 0 0 55 54 43 18 34 22.7 46 254 -56 56 31 8 55 18 20 56 46 10 55 3 19 -0.04 87 0 0 56 2 42 18 34 15.6 45 255 -56 56 38 59 55 26 25 56 53 58 55 11 27 -0.04 88 0 0 56 10 10 18 34 8.5 45 255 -55 56 46 21 55 34 0 57 1 18 55 19 5 -0.04 89 0 0 56 17 10 18 34 1.6 44 256 -55 56 53 15 55 41 6 57 8 9 55 26 13 -0.04 90 0 0 56 23 41 18 33 54.8 44 257 -55 56 59 40 55 47 42 57 14 31 55 32 52 -0.04 91 0 0 56 29 43 18 33 48.1 43 258 -55 57 5 36 55 53 50 57 20 26 55 39 1 -0.04 92 0 0 56 35 16 18 33 41.5 43 259 -55 57 11 5 55 59 28 57 25 53 55 44 42 -0.04 93 0 0 56 40 22 18 33 35.0 42 260 -54 57 16 7 56 4 39 57 30 52 55 49 54 -0.04 94 0 0 56 45 0 18 33 28.5 42 260 -54 57 20 40 56 9 21 57 35 24 55 54 38 -0.04 95 0 0 56 49 10 18 33 22.2 41 261 -54 57 24 47 56 13 35 57 39 29 55 58 53 -0.04 96 0 0 56 52 53 18 33 15.9 40 262 -54 57 28 27 56 17 21 57 43 8 56 2 41 -0.04 97 0 0 56 56 9 18 33 9.8 40 263 -53 57 31 40 56 20 40 57 46 19 56 6 1 -0.04 98 0 0 56 58 58 18 33 3.7 39 264 -53 57 34 26 56 23 31 57 49 4 56 8 53 -0.04 99 0 0 57 1 20 18 32 57.7 39 265 -53 57 36 45 56 25 55 57 51 23 56 11 18 -0.04 100 0 0 57 3 14 18 32 51.8 38 265 -53 57 38 38 56 27 51 57 53 15 56 13 15 -0.04 101 0 0 57 4 43 18 32 45.9 38 266 -52 57 40 5 56 29 21 57 54 42 56 14 45 -0.04 102 0 0 57 5 44 18 32 40.1 37 267 -52 57 41 6 56 30 23 57 55 42 56 15 47 -0.04 103 0 0 57 6 18 18 32 34.4 37 268 -52 57 41 40 56 30 58 57 56 15 56 16 23 -0.04 104 0 0 57 6 26 18 32 28.8 36 269 -52 57 41 47 56 31 6 57 56 23 56 16 31 -0.04 105 0 0 57 6 8 18 32 23.2 36 270 -51 57 41 29 56 30 47 57 56 5 56 16 12 -0.04 106 0 0 57 5 22 18 32 17.7 35 270 -51 57 40 44 56 30 1 57 55 20 56 15 25 -0.04 107 0 0 57 4 10 18 32 12.3 35 271 -51 57 39 33 56 28 48 57 54 9 56 14 12 -0.03 108 0 0 57 2 31 18 32 6.9 34 272 -50 57 37 55 56 27 7 57 52 32 56 12 30 -0.03 109 0 0 57 0 24 18 32 1.6 34 273 -50 57 35 50 56 24 59 57 50 28 56 10 22 -0.03 110 0 0 56 57 51 18 31 56.3 33 274 -50 57 33 19 56 22 23 57 47 58 56 7 45 -0.03 111 0 0 56 54 50 18 31 51.2 33 274 -50 57 30 21 56 19 20 57 45 1 56 4 40 -0.03 112 0 0 56 51 22 18 31 46.0 32 275 -49 57 26 56 56 15 49 57 41 37 56 1 8 -0.03 113 0 0 56 47 26 18 31 41.0 31 276 -49 57 23 4 56 11 49 57 37 46 55 57 7 -0.03 114 0 0 56 43 2 18 31 35.9 31 277 -49 57 18 44 56 7 21 57 33 28 55 52 38 -0.03 115 0 0 56 38 10 18 31 31.0 30 278 -48 57 13 56 56 2 25 57 28 42 55 47 40 -0.03 116 0 0 56 32 50 18 31 26.1 30 279 -48 57 8 40 55 57 0 57 23 28 55 42 13 -0.03 117 0 0 56 27 1 18 31 21.3 29 279 -48 57 2 56 55 51 5 57 17 46 55 36 16 -0.03 118 0 0 56 20 42 18 31 16.5 29 280 -47 56 56 43 55 44 41 57 11 36 55 29 50 -0.03 119 0 0 56 13 54 18 31 11.7 28 281 -47 56 50 2 55 37 48 57 4 56 55 22 53 -0.03 120 0 0 56 6 36 18 31 7.1 28 282 -47 56 42 50 55 30 23 56 57 48 55 15 26 -0.03 121 0 0 55 58 48 18 31 2.4 27 283 -46 56 35 9 55 22 28 56 50 9 55 7 28 -0.03 122 0 0 55 50 29 18 30 57.9 26 283 -46 56 26 57 55 14 2 56 42 1 54 58 59 -0.03 123 0 0 55 41 39 18 30 53.4 26 284 -46 56 18 15 55 5 4 56 33 22 54 49 58 -0.03 124 0 0 55 32 17 18 30 48.9 25 285 -45 56 9 1 54 55 34 56 24 11 54 40 24 -0.03 125 0 0 55 22 23 18 30 44.5 25 286 -45 55 59 16 54 45 31 56 14 29 54 30 18 -0.03 126 0 0 55 11 56 18 30 40.2 24 287 -44 55 48 58 54 34 54 56 4 15 54 19 37 -0.03 127 0 0 55 0 55 18 30 35.9 24 288 -44 55 38 7 54 23 44 55 53 28 54 8 23 -0.03 128 0 0 54 49 20 18 30 31.7 23 288 -44 55 26 42 54 11 59 55 42 8 53 56 34 -0.03 129 0 0 54 37 10 18 30 27.6 22 289 -43 55 14 43 53 59 38 55 30 13 53 44 9 -0.03 130 0 0 54 24 25 18 30 23.5 22 290 -43 55 2 8 53 46 42 55 17 43 53 31 7 -0.03 131 0 0 54 11 3 18 30 19.4 21 291 -42 54 48 58 53 33 8 55 4 38 53 17 29 -0.03 132 0 0 53 57 4 18 30 15.5 20 292 -42 54 35 11 53 18 57 54 50 56 53 3 13 -0.02 133 0 0 53 42 27 18 30 11.6 20 292 -41 54 20 47 53 4 7 54 36 37 52 48 18 -0.02 134 0 0 53 27 11 18 30 7.8 19 293 -41 54 5 44 52 48 38 54 21 39 52 32 43 -0.02 135 0 0 53 11 15 18 30 4.0 19 294 -41 53 50 2 52 32 28 54 6 3 52 16 28 -0.02 136 0 0 52 54 38 18 30 0.4 18 295 -40 53 33 40 52 15 37 53 49 46 51 59 31 -0.02 137 0 0 52 37 19 18 29 56.8 17 295 -40 53 16 36 51 58 3 53 32 49 51 41 51 -0.02 138 0 0 52 19 18 18 29 53.3 17 296 -39 52 58 50 51 39 46 53 15 9 51 23 27 -0.02 139 0 0 52 0 32 18 29 49.9 16 297 -39 52 40 20 51 20 44 52 56 46 51 4 19 -0.02 140 0 0 51 41 1 18 29 46.5 15 298 -38 52 21 6 51 0 57 52 37 38 50 44 24 -0.02 141 0 0 51 20 43 18 29 43.3 15 299 -38 52 1 5 50 40 22 52 17 45 50 23 43 -0.02 142 0 0 50 59 38 18 29 40.2 14 299 -37 51 40 18 50 18 59 51 57 5 50 2 12 -0.02 143 0 0 50 37 44 18 29 37.2 13 300 -36 51 18 42 49 56 46 51 35 37 49 39 51 -0.02 144 0 0 50 14 59 18 29 34.3 12 301 -36 50 56 16 49 33 42 51 13 19 49 16 40 -0.02 145 0 0 49 51 22 18 29 31.5 12 302 -35 50 32 59 49 9 45 50 50 10 48 52 35 -0.02 146 0 0 49 26 51 18 29 28.8 11 302 -35 50 8 49 48 44 54 50 26 8 48 27 35 -0.02 147 0 0 49 1 26 18 29 26.3 10 303 -34 49 43 44 48 19 8 50 1 12 48 1 40 -0.02 148 0 0 48 35 3 18 29 23.9 9 304 -34 49 17 44 47 52 24 49 35 21 47 34 47 -0.02 149 0 0 48 7 43 18 29 21.7 8 305 -33 48 50 45 47 24 40 49 8 32 47 6 54 -0.02 150 0 0 47 39 22 18 29 19.6 8 305 -32 48 22 47 46 55 56 48 40 43 46 38 0 -0.02 151 0 0 47 9 58 18 29 17.7 7 306 -32 47 53 48 46 26 9 48 11 54 46 8 4 -0.03 152 0 0 46 39 31 18 29 16.0 6 307 -31 47 23 45 45 55 17 47 42 1 45 37 2 -0.03 153 0 0 46 7 58 18 29 14.5 5 308 -30 46 52 38 45 23 19 47 11 4 45 4 53 -0.03 154 0 0 45 35 17 18 29 13.2 4 308 -30 46 20 23 44 50 12 46 39 0 44 31 35 -0.04 155 0 0 45 1 26 18 29 12.1 3 309 -29 45 46 58 44 15 54 46 5 46 43 57 6 -0.05 156 0 0 44 26 22 18 29 11.3 2 310 -28 45 12 22 43 40 22 45 31 21 43 21 23 -0.06 157 0 0 43 50 4 18 29 10.7 1 310 -27 44 36 32 43 3 36 44 55 43 42 44 25 -0.10 158 0 0 43 12 29 18 29 10.3 1 311 -27 43 59 26 42 25 32 44 18 49 .. .. .. -0.29 Uncertainty in time = +/- 5 secs Prediction of 2020 Dec 31.0 Data for the target star ------------------------ * name: TYC 1828-01791-1 * constellation : Taurus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 04 24 21.3785 DE: +29 03 22.414 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 04 24 21.3785 DE: +29 03 22.414 * position source: Gaia14_DR2 * standard error: RA,DE [mas]: (0.600,0.600) * V mag [mag]: 12.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (283) Emma asteroid class: asteroid system: multiple bodies approx. diameter [km]: 131 approx. diameter ["]: 0.085 distance from Earth [AU]: 2.13400 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: Preston date of fit: 2020 Nov 14 source of used astrometry: MPC, FASTT, TMO number of used observations: 2981 number of rejected observations: 14 time covered by the observations: 1960 May 26 - 2020 Oct 21 1 sigma uncertainty ellipse (major, minor, PA): 0.022", 0.012", 84.6° remarks: * orbital elements for (283)Emma : Mean anomaly = 66.56819283 deg Arg. of pericenter = 55.33970822 deg Long. of node = 303.90125687 deg Inclination = 7.98948253 deg Eccentricity = 0.14427656 Semimajor axis = 3.04913185 AU Perihelion dist = 2.60921361 AU Mag: H = 8.60, G = 0.15 Epoch of elements : MJD 59225.78200000 TDT (2021 Jan 11.7820) ------ occelmnt file for Occult BEGIN ----------------------------------- Preston2020Nov14,20.9,2021,1,11,18.7681,-0.02516,0.02417,-2.32307,-2.66237,0.00410,0.00009,0.00000,0.00000 33.4051,29.1042,-99.49,-21.68,False TYC 1828-01791-1,4.40593849,29.0562261,0.00,12.16,0.00,0.0,0,,4.42785802,29.1042136 283,Emma,13.35,131.1,2.1340,0,1,-0.729,-10.97,,6.2 S/2003 (283) 1,9,581,3.353000,0.1200,,,,, 0,66.4234,2021,1,11,55.3397,303.9013,7.9895,0.14428,3.04913,2.60921,8.60,5.0,0.15 1.206,0.0220,0.0120,85,0.0175,Known errors 20210111_1791-1,59214.00 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2020 Dec 31, 00:35 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org