IOTA/IOTA-ES occultation update for (615) Roswitha / UCAC4-584-034256 event on 2022 Nov 24, 18:14 UT Visible from Australia Summary ------- On 2022 Nov 24 UT, the 47.8 km diameter asteroid (615) Roswitha will occult a 12.5 mag star in the constellation Gemini for observers along a path across Australia. In the case of an occultation, the combined light of the asteroid and the star will drop by 2.64 mag to 15.00 mag (the magnitude of the asteroid) for at most 6.380 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: 2022 Nov 24, 18:05 - 2022 Nov 24, 18:25 * geocentric midpoint of event [JD]: 2459908.26085417 * magnitude of target star: 12.46 * magnitude drop [mag]: 2.64 * estimated maximum duration [s]: 6.380 * Moon: 1 % sunlit, 151° distance * Sun: 140° distance * rough path description: Australia The occultation path -------------------- * approximate projected width [km]: 68 * 1 sigma uncertainty interval [path widths]: +/- 0.12 * 1 sigma uncertainty interval [seconds]: +/- 3.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.017, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.018", 0.004", 103°) * approx speed of asteroid's shadow [km/s]: 7.4897 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4-584-034256 by 615 Roswitha on 2022 Nov 24 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 49 0 0 -27 15 17 18 25 33.2 1 59 -33 -26 53 33 -27 37 11 -26 48 30 -27 42 19 .... 50 0 0 -26 44 40 18 25 32.8 2 59 -34 -26 23 4 -27 6 25 -26 18 3 -27 11 31 0.62 51 0 0 -26 14 42 18 25 32.0 3 58 -35 -25 53 15 -26 36 19 -25 48 15 -26 41 23 0.78 52 0 0 -25 45 24 18 25 30.7 4 58 -36 -25 24 5 -26 6 52 -25 19 7 -26 11 54 0.86 53 0 0 -25 16 45 18 25 29.1 5 58 -37 -24 55 34 -25 38 6 -24 50 39 -25 43 6 0.90 54 0 0 -24 48 47 18 25 27.2 6 57 -38 -24 27 44 -25 10 0 -24 22 51 -25 14 58 0.93 55 0 0 -24 21 30 18 25 24.8 7 57 -39 -24 0 35 -24 42 35 -23 55 43 -24 47 31 0.95 56 0 0 -23 54 54 18 25 22.1 8 56 -40 -23 34 6 -24 15 51 -23 29 15 -24 20 46 0.96 57 0 0 -23 28 59 18 25 19.1 9 56 -40 -23 8 17 -23 49 48 -23 3 29 -23 54 41 0.97 58 0 0 -23 3 45 18 25 15.7 10 55 -41 -22 43 10 -23 24 27 -22 38 23 -23 29 19 0.98 59 0 0 -22 39 12 18 25 11.9 11 55 -42 -22 18 45 -22 59 48 -22 13 59 -23 4 37 0.99 60 0 0 -22 15 21 18 25 7.8 12 55 -43 -21 55 0 -22 35 50 -21 50 16 -22 40 38 0.99 61 0 0 -21 52 11 18 25 3.4 13 54 -44 -21 31 57 -22 12 34 -21 27 14 -22 17 20 1.00 62 0 0 -21 29 43 18 24 58.7 14 54 -44 -21 9 35 -21 49 59 -21 4 54 -21 54 45 1.00 63 0 0 -21 7 57 18 24 53.6 15 53 -45 -20 47 55 -21 28 7 -20 43 15 -21 32 51 1.00 64 0 0 -20 46 53 18 24 48.2 16 53 -46 -20 26 56 -21 6 57 -20 22 18 -21 11 39 1.00 65 0 0 -20 26 30 18 24 42.5 16 53 -46 -20 6 39 -20 46 28 -20 2 2 -20 51 9 1.01 66 0 0 -20 6 49 18 24 36.5 17 52 -47 -19 47 4 -20 26 42 -19 42 28 -20 31 22 1.01 67 0 0 -19 47 50 18 24 30.2 18 52 -48 -19 28 10 -20 7 38 -19 23 35 -20 12 16 1.01 68 0 0 -19 29 32 18 24 23.7 19 51 -48 -19 9 57 -19 49 15 -19 5 24 -19 53 52 1.01 69 0 0 -19 11 56 18 24 16.8 20 51 -49 -18 52 26 -19 31 34 -18 47 54 -19 36 10 1.01 70 0 0 -18 55 2 18 24 9.6 21 50 -49 -18 35 36 -19 14 35 -18 31 5 -19 19 10 1.01 71 0 0 -18 38 49 18 24 2.2 22 50 -50 -18 19 28 -18 58 18 -18 14 58 -19 2 52 1.01 72 0 0 -18 23 18 18 23 54.6 23 49 -50 -18 4 1 -18 42 42 -17 59 32 -18 47 15 1.01 73 0 0 -18 8 28 18 23 46.6 24 49 -51 -17 49 15 -18 27 48 -17 44 47 -18 32 20 1.01 74 0 0 -17 54 20 18 23 38.4 24 48 -51 -17 35 10 -18 13 36 -17 30 43 -18 18 7 1.01 75 0 0 -17 40 52 18 23 30.0 25 48 -51 -17 21 47 -18 0 5 -17 17 20 -18 4 35 1.01 76 0 0 -17 28 6 18 23 21.3 26 47 -52 -17 9 4 -17 47 15 -17 4 38 -17 51 44 1.01 77 0 0 -17 16 1 18 23 12.4 27 47 -52 -16 57 2 -17 35 6 -16 52 37 -17 39 35 1.01 78 0 0 -17 4 36 18 23 3.3 28 46 -52 -16 45 41 -17 23 39 -16 41 16 -17 28 6 1.01 79 0 0 -16 53 53 18 22 53.9 29 46 -52 -16 35 0 -17 12 52 -16 30 37 -17 17 19 1.01 80 0 0 -16 43 50 18 22 44.4 29 45 -53 -16 25 0 -17 2 47 -16 20 37 -17 7 13 1.01 81 0 0 -16 34 28 18 22 34.6 30 45 -53 -16 15 41 -16 53 22 -16 11 18 -16 57 47 1.01 82 0 0 -16 25 46 18 22 24.6 31 44 -53 -16 7 1 -16 44 38 -16 2 40 -16 49 3 1.01 83 0 0 -16 17 45 18 22 14.4 32 43 -53 -15 59 2 -16 36 34 -15 54 41 -16 40 59 1.01 84 0 0 -16 10 24 18 22 4.0 32 43 -53 -15 51 43 -16 29 11 -15 47 23 -16 33 35 1.01 85 0 0 -16 3 43 18 21 53.4 33 42 -53 -15 45 5 -16 22 28 -15 40 44 -16 26 52 1.01 86 0 0 -15 57 43 18 21 42.7 34 42 -53 -15 39 6 -16 16 26 -15 34 46 -16 20 49 1.01 87 0 0 -15 52 22 18 21 31.8 34 41 -53 -15 33 47 -16 11 4 -15 29 27 -16 15 27 1.01 88 0 0 -15 47 42 18 21 20.7 35 40 -53 -15 29 8 -16 6 22 -15 24 48 -16 10 44 1.01 89 0 0 -15 43 41 18 21 9.4 36 39 -53 -15 25 8 -16 2 20 -15 20 49 -16 6 42 1.01 90 0 0 -15 40 20 18 20 58.0 36 39 -53 -15 21 48 -15 58 58 -15 17 29 -16 3 20 1.01 91 0 0 -15 37 38 18 20 46.4 37 38 -53 -15 19 8 -15 56 15 -15 14 49 -16 0 37 1.01 92 0 0 -15 35 37 18 20 34.7 37 37 -52 -15 17 7 -15 54 13 -15 12 48 -15 58 34 1.01 93 0 0 -15 34 14 18 20 22.8 38 36 -52 -15 15 45 -15 52 50 -15 11 27 -15 57 11 1.01 94 0 0 -15 33 32 18 20 10.8 39 35 -52 -15 15 3 -15 52 7 -15 10 44 -15 56 28 1.01 95 0 0 -15 33 28 18 19 58.6 39 35 -52 -15 14 59 -15 52 3 -15 10 41 -15 56 24 1.01 96 0 0 -15 34 4 18 19 46.3 40 34 -51 -15 15 35 -15 52 39 -15 11 17 -15 57 0 1.01 97 0 0 -15 35 19 18 19 33.9 40 33 -51 -15 16 50 -15 53 54 -15 12 32 -15 58 15 1.01 98 0 0 -15 37 13 18 19 21.4 40 32 -50 -15 18 44 -15 55 48 -15 14 26 -16 0 10 1.01 99 0 0 -15 39 47 18 19 8.8 41 31 -50 -15 21 17 -15 58 22 -15 16 59 -16 2 44 1.01 100 0 0 -15 42 59 18 18 56.0 41 30 -50 -15 24 29 -16 1 35 -15 20 11 -16 5 57 1.01 101 0 0 -15 46 51 18 18 43.2 42 29 -49 -15 28 20 -16 5 27 -15 24 1 -16 9 49 1.01 102 0 0 -15 51 21 18 18 30.2 42 28 -49 -15 32 49 -16 9 59 -15 28 31 -16 14 21 1.01 103 0 0 -15 56 30 18 18 17.2 42 27 -48 -15 37 58 -16 15 9 -15 33 39 -16 19 31 1.01 104 0 0 -16 2 18 18 18 4.0 43 26 -48 -15 43 45 -16 20 58 -15 39 25 -16 25 21 1.01 105 0 0 -16 8 45 18 17 50.8 43 25 -47 -15 50 10 -16 27 27 -15 45 51 -16 31 50 1.01 106 0 0 -16 15 51 18 17 37.5 43 24 -46 -15 57 15 -16 34 34 -15 52 55 -16 38 57 1.01 107 0 0 -16 23 36 18 17 24.2 44 23 -46 -16 4 57 -16 42 20 -16 0 37 -16 46 44 1.02 108 0 0 -16 31 59 18 17 10.8 44 22 -45 -16 13 19 -16 50 45 -16 8 58 -16 55 9 1.02 109 0 0 -16 41 1 18 16 57.3 44 20 -45 -16 22 19 -16 59 49 -16 17 57 -17 4 14 1.02 110 0 0 -16 50 41 18 16 43.7 44 19 -44 -16 31 57 -17 9 32 -16 27 35 -17 13 57 1.02 111 0 0 -17 1 0 18 16 30.2 44 18 -43 -16 42 14 -17 19 54 -16 37 52 -17 24 19 1.02 112 0 0 -17 11 58 18 16 16.5 44 17 -42 -16 53 9 -17 30 54 -16 48 46 -17 35 20 1.02 113 0 0 -17 23 34 18 16 2.9 44 16 -42 -17 4 43 -17 42 33 -17 0 19 -17 46 59 1.02 114 0 0 -17 35 49 18 15 49.2 44 15 -41 -17 16 54 -17 54 50 -17 12 30 -17 59 18 1.02 115 0 0 -17 48 42 18 15 35.4 44 13 -40 -17 29 45 -18 7 46 -17 25 20 -18 12 15 1.02 116 0 0 -18 2 14 18 15 21.7 44 12 -40 -17 43 13 -18 21 21 -17 38 48 -18 25 50 1.02 117 0 0 -18 16 24 18 15 7.9 44 11 -39 -17 57 20 -18 35 35 -17 52 53 -18 40 4 1.02 118 0 0 -18 31 12 18 14 54.2 44 10 -38 -18 12 5 -18 50 26 -18 7 38 -18 54 57 1.02 119 0 0 -18 46 39 18 14 40.4 44 9 -37 -18 27 27 -19 5 57 -18 23 0 -19 10 28 1.02 120 0 0 -19 2 44 18 14 26.7 44 7 -36 -18 43 28 -19 22 5 -18 39 0 -19 26 38 1.02 121 0 0 -19 19 27 18 14 12.9 44 6 -36 -19 0 7 -19 38 53 -18 55 38 -19 43 26 1.02 122 0 0 -19 36 48 18 13 59.2 44 5 -35 -19 17 24 -19 56 18 -19 12 54 -20 0 52 1.02 123 0 0 -19 54 47 18 13 45.5 43 4 -34 -19 35 19 -20 14 21 -19 30 48 -20 18 57 1.03 124 0 0 -20 13 24 18 13 31.8 43 3 -33 -19 53 52 -20 33 3 -19 49 19 -20 37 40 1.03 125 0 0 -20 32 39 18 13 18.2 43 1 -32 -20 13 2 -20 52 23 -20 8 28 -20 57 0 1.03 126 0 0 -20 52 32 18 13 4.6 43 0 -31 -20 32 50 -21 12 21 -20 28 15 -21 16 59 1.03 127 0 0 -21 13 2 18 12 51.1 42 359 -30 -20 53 15 -21 32 56 -20 48 39 -21 37 36 1.03 128 0 0 -21 34 10 18 12 37.7 42 358 -30 -21 14 18 -21 54 9 -21 9 41 -21 58 50 1.03 129 0 0 -21 55 55 18 12 24.3 41 357 -29 -21 35 58 -22 16 0 -21 31 20 -22 20 43 1.03 130 0 0 -22 18 18 18 12 11.0 41 356 -28 -21 58 15 -22 38 28 -21 53 36 -22 43 12 1.03 131 0 0 -22 41 18 18 11 57.8 41 355 -27 -22 21 9 -23 1 34 -22 16 28 -23 6 19 1.03 132 0 0 -23 4 55 18 11 44.6 40 354 -26 -22 44 40 -23 25 17 -22 39 58 -23 30 4 1.04 133 0 0 -23 29 8 18 11 31.6 40 353 -25 -23 8 48 -23 49 37 -23 4 4 -23 54 25 1.04 134 0 0 -23 53 58 18 11 18.7 39 352 -24 -23 33 32 -24 14 33 -23 28 46 -24 19 23 1.04 135 0 0 -24 19 25 18 11 5.9 39 351 -23 -23 58 52 -24 40 6 -23 54 5 -24 44 57 1.04 136 0 0 -24 45 27 18 10 53.2 38 350 -22 -24 24 47 -25 6 15 -24 19 59 -25 11 8 1.04 137 0 0 -25 12 5 18 10 40.7 37 349 -21 -24 51 19 -25 33 0 -24 46 29 -25 37 55 1.04 138 0 0 -25 39 19 18 10 28.3 37 348 -20 -25 18 26 -26 0 21 -25 13 34 -26 5 17 1.04 139 0 0 -26 7 8 18 10 16.1 36 347 -19 -25 46 8 -26 28 17 -25 41 14 -26 33 15 1.04 140 0 0 -26 35 32 18 10 4.0 35 346 -18 -26 14 24 -26 56 48 -26 9 29 -27 1 48 1.05 141 0 0 -27 4 30 18 9 52.1 35 345 -17 -26 43 15 -27 25 54 -26 38 18 -27 30 55 1.05 142 0 0 -27 34 2 18 9 40.4 34 344 -16 -27 12 39 -27 55 34 -27 7 41 -28 0 37 1.05 143 0 0 -28 4 8 18 9 28.9 33 343 -15 -27 42 37 -28 25 48 -27 37 37 -28 30 53 1.05 144 0 0 -28 34 46 18 9 17.6 33 342 -14 -28 13 8 -28 56 35 -28 8 6 -29 1 42 1.05 145 0 0 -29 5 58 18 9 6.4 32 341 -13 -28 44 11 -29 27 54 -28 39 8 -29 33 3 1.05 146 0 0 -29 37 41 18 8 55.5 31 340 -12 -29 15 47 -29 59 46 -29 10 41 -30 4 57 1.05 147 0 0 -30 9 56 18 8 44.8 30 340 -11 -29 47 53 -30 32 10 -29 42 46 -30 37 23 1.06 148 0 0 -30 42 42 18 8 34.4 29 339 -10 -30 20 30 -31 5 4 -30 15 21 -31 10 19 1.06 149 0 0 -31 15 57 18 8 24.2 29 338 -9 -30 53 37 -31 38 29 -30 48 26 -31 43 46 1.06 150 0 0 -31 49 43 18 8 14.3 28 337 -8 -31 27 14 -32 12 23 -31 22 0 -32 17 42 1.06 151 0 0 -32 23 56 18 8 4.6 27 336 -7 -32 1 18 -32 46 45 -31 56 3 -32 52 7 1.06 152 0 0 -32 58 38 18 7 55.1 26 336 -6 -32 35 51 -33 21 36 -32 30 33 -33 27 0 1.06 153 0 0 -33 33 46 18 7 46.0 25 335 -5 -33 10 50 -33 56 54 -33 5 31 -34 2 20 1.06 154 0 0 -34 9 20 18 7 37.2 24 334 -4 -33 46 15 -34 32 38 -33 40 54 -34 38 6 1.07 155 0 0 -34 45 20 18 7 28.6 24 333 -4 -34 22 5 -35 8 46 -34 16 41 -35 14 17 1.07 156 0 0 -35 21 43 18 7 20.3 23 333 -3 -34 58 19 -35 45 19 -34 52 53 -35 50 52 1.07 157 0 0 -35 58 29 18 7 12.4 22 332 -2 -35 34 56 -36 22 15 -35 29 28 -36 27 50 1.07 158 0 0 -36 35 37 18 7 4.7 21 331 -1 -36 11 54 -36 59 33 -36 6 24 -37 5 10 1.07 159 0 0 -37 13 5 18 6 57.4 20 330 0 -36 49 13 -37 37 11 -36 43 41 -37 42 50 1.07 160 0 0 -37 50 53 18 6 50.4 19 330 1 -37 26 51 -38 15 8 -37 21 17 -38 20 50 1.07 161 0 0 -38 28 58 18 6 43.8 18 329 2 -38 4 47 -38 53 23 -37 59 10 -38 59 7 1.07 162 0 0 -39 7 20 18 6 37.5 17 328 3 -38 43 0 -39 31 55 -38 37 21 -39 37 41 1.08 163 0 0 -39 45 57 18 6 31.5 16 328 4 -39 21 28 -40 10 42 -39 15 46 -40 16 30 1.08 164 0 0 -40 24 48 18 6 25.9 15 327 5 -40 0 9 -40 49 42 -39 54 26 -40 55 33 1.08 165 0 0 -41 3 51 18 6 20.6 14 326 6 -40 39 2 -41 28 54 -40 33 17 -41 34 48 1.08 166 0 0 -41 43 4 18 6 15.6 13 326 7 -41 18 6 -42 8 17 -41 12 19 -42 14 12 1.08 167 0 0 -42 22 26 18 6 11.1 12 325 8 -41 57 19 -42 47 48 -41 51 30 -42 53 46 1.08 168 0 0 -43 1 55 18 6 6.8 11 324 9 -42 36 40 -43 27 26 -42 30 48 -43 33 26 1.09 169 0 0 -43 41 30 18 6 3.0 10 323 10 -43 16 5 -44 7 10 -43 10 12 -44 13 12 1.09 170 0 0 -44 21 7 18 5 59.5 9 323 11 -43 55 35 -44 46 56 -43 49 39 -44 53 0 1.09 171 0 0 -45 0 47 18 5 56.3 9 322 12 -44 35 6 -45 26 45 -44 29 9 -45 32 51 1.09 172 0 0 -45 40 27 18 5 53.5 8 321 12 -45 14 38 -46 6 32 -45 8 39 -46 12 40 1.10 173 0 0 -46 20 5 18 5 51.1 7 321 13 -45 54 8 -46 46 18 -45 48 7 -46 52 28 1.10 174 0 0 -46 59 38 18 5 48.9 6 320 14 -46 33 35 -47 25 59 -46 27 32 -47 32 11 1.11 175 0 0 -47 39 6 18 5 47.2 5 319 15 -47 12 56 -48 5 34 -47 6 51 -48 11 48 1.11 176 0 0 -48 18 27 18 5 45.7 4 318 16 -47 52 9 -48 45 2 -47 46 4 -48 51 17 1.12 177 0 0 -48 57 37 18 5 44.6 3 318 16 -48 31 14 -49 24 19 -48 25 7 -49 30 35 1.14 178 0 0 -49 36 37 18 5 43.9 2 317 17 -49 10 7 -50 3 24 -49 3 59 -50 9 42 1.17 179 0 0 -50 15 22 18 5 43.4 1 316 18 -49 48 48 -50 42 15 -49 42 38 -50 48 34 1.26 180 0 0 -50 53 53 18 5 43.3 0 315 19 -50 27 13 .. .. .. -50 21 2 .. .. .. 2.57 Uncertainty in time = +/- 4 secs Prediction of 2022 Oct 2.0 Data for the target star ------------------------ * name: UCAC4-584-034256 * constellation : Gemini * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 06 51 30.0946 DE: +26 40 18.794 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 06 51 30.0946 DE: +26 40 18.794 * position source: Gaia EDR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 12.5 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (615) Roswitha asteroid class: approx. diameter [km]: 48 approx. diameter ["]: 0.032 distance from Earth [AU]: 2.08770 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#55 date of fit: 2022 Sep 21 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): 0.018", 0.004", 103.271° remarks: * orbital elements for (615)Roswitha : Mean anomaly = 190.9938529815 deg Arg. of pericenter = 246.8579774672 deg Long. of node = 13.3929677947 deg Inclination = 2.7630318667 deg Eccentricity = 0.1107497847 Semimajor axis = 2.6305386177 AU Perihelion dist = 2.3392070321 AU Mag: H = 10.34, G = 0.15 Epoch of elements : MJD 59907.76020833 TDT (2022 Nov 24.7602) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#552022Sep21,6.38,2022,11,24,18.260500,-0.178716,-0.690699,-4.093023,1.057461,-0.003799,0.000046,0.000001,0.000000 125.6414,26.6445,-97.22,-20.65,False UCAC4-584-034256,6.85835961,26.6718871,0.00,12.46,0.00,0.0,0,,6.88215736,26.6444986,2.64,0.00,0,0,0 615,Roswitha,15.00,47.8,2.0877,0,0,-1.286,4.45,,3.0,0 0,190.8182,2022,11,24,246.8580,13.3930,2.7630,0.11075,2.63054,2.33921,10.34,5.0,0.15 1.117,0.0177,0.0037,103,0.0037,Known errors,-1.00,-1,-1,-1 20221124_034256,59854.01 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Oct 02, 00:09 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org