IOTA/IOTA-ES occultation update for (849) Ara / UCAC4 450-044668 event on 2023 Nov 03, 19:11 UT Visible from China, Australia Summary ------- On 2023 Nov 03 UT, the 64.9 km diameter asteroid (849) Ara will occult a 11.8 mag star in the constellation Hydra for observers along a path across China, Australia. In the case of an occultation, the combined light of the asteroid and the star will drop by 3.02 mag to 14.72 mag (the magnitude of the asteroid) for at most 4.100 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: 2023 Nov 03, 19:05 - 2023 Nov 03, 19:18 * geocentric midpoint of event [JD]: 2460252.29999213 * magnitude of target star: 11.77 * magnitude drop [mag]: 3.02 * estimated maximum duration [s]: 4.100 * Moon: 64 % sunlit, 28° distance * Sun: 91° distance * rough path description: China, Australia The occultation path -------------------- * approximate projected width [km]: 68 * 1 sigma uncertainty interval [path widths]: +/- 0.16 * 1 sigma uncertainty interval [seconds]: +/- 0.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.006, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.006", 0.001", 106°) * approx speed of asteroid's shadow [km/s]: 15.8433 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 450-044668 by 849 Ara on 2023 Nov 3 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 69 0 0 37 10 55 19 5 37.6 1 91 -68 36 52 26 37 29 22 36 46 22 37 35 25 .... 70 0 0 37 9 43 19 5 37.7 2 91 -68 36 51 14 37 28 11 36 45 9 37 34 14 0.25 71 0 0 37 7 48 19 5 37.9 2 92 -68 36 49 17 37 26 16 36 43 13 37 32 19 0.28 72 0 0 37 5 8 19 5 38.2 3 93 -68 36 46 37 37 23 37 36 40 32 37 29 41 0.29 73 0 0 37 1 45 19 5 38.6 4 93 -68 36 43 12 37 20 15 36 37 6 37 26 19 0.30 74 0 0 36 57 37 19 5 39.0 5 94 -68 36 39 3 37 16 9 36 32 57 37 22 14 0.31 75 0 0 36 52 45 19 5 39.6 6 94 -68 36 34 9 37 11 19 36 28 2 37 17 24 0.31 76 0 0 36 47 8 19 5 40.2 6 95 -68 36 28 30 37 5 44 36 22 22 37 11 50 0.32 77 0 0 36 40 46 19 5 40.9 7 96 -67 36 22 5 36 59 24 36 15 57 37 5 31 0.32 78 0 0 36 33 38 19 5 41.7 8 96 -67 36 14 55 36 52 19 36 8 46 36 58 26 0.32 79 0 0 36 25 44 19 5 42.6 9 97 -67 36 6 58 36 44 28 36 0 48 36 50 37 0.32 80 0 0 36 17 4 19 5 43.5 10 97 -67 35 58 15 36 35 51 35 52 4 36 42 1 0.33 81 0 0 36 7 37 19 5 44.6 10 98 -67 35 48 44 36 26 28 35 42 32 36 32 39 0.33 82 0 0 35 57 23 19 5 45.8 11 98 -66 35 38 26 36 16 17 35 32 13 36 22 29 0.33 83 0 0 35 46 21 19 5 47.0 12 99 -66 35 27 20 36 5 19 35 21 5 36 11 32 0.33 84 0 0 35 34 29 19 5 48.4 13 100 -66 35 15 24 35 53 32 35 9 8 35 59 47 0.33 85 0 0 35 21 49 19 5 49.8 14 100 -65 35 2 39 35 40 56 34 56 21 35 47 12 0.33 86 0 0 35 8 18 19 5 51.4 15 101 -65 34 49 3 35 27 30 34 42 44 35 33 48 0.33 87 0 0 34 53 56 19 5 53.0 16 101 -65 34 34 36 35 13 14 34 28 15 35 19 34 0.33 88 0 0 34 38 43 19 5 54.8 16 102 -64 34 19 17 34 58 6 34 12 54 35 4 28 0.33 89 0 0 34 22 37 19 5 56.6 17 102 -64 34 3 5 34 42 6 33 56 40 34 48 29 0.33 90 0 0 34 5 37 19 5 58.6 18 103 -63 33 45 59 34 25 12 33 39 32 34 31 38 0.33 91 0 0 33 47 43 19 6 0.7 19 103 -63 33 27 58 34 7 25 33 21 29 34 13 52 0.34 92 0 0 33 28 53 19 6 2.9 20 104 -63 33 9 1 33 48 42 33 2 30 33 55 11 0.34 93 0 0 33 9 6 19 6 5.2 21 104 -62 32 49 7 33 29 2 32 42 33 33 35 34 0.34 94 0 0 32 48 21 19 6 7.7 22 105 -62 32 28 15 33 8 25 32 21 38 33 15 0 0.34 95 0 0 32 26 37 19 6 10.3 23 105 -61 32 6 23 32 46 49 31 59 44 32 53 26 0.34 96 0 0 32 3 53 19 6 13.0 24 106 -60 31 43 30 32 24 13 31 36 48 32 30 53 0.34 97 0 0 31 40 7 19 6 15.8 24 106 -60 31 19 36 32 0 36 31 12 51 32 7 19 0.34 98 0 0 31 15 18 19 6 18.8 25 107 -59 30 54 37 31 35 56 30 47 49 31 42 42 0.34 99 0 0 30 49 25 19 6 22.0 26 107 -59 30 28 34 31 10 12 30 21 43 31 17 1 0.34 100 0 0 30 22 25 19 6 25.2 27 108 -58 30 1 24 30 43 22 29 54 30 30 50 14 0.34 101 0 0 29 54 17 19 6 28.7 28 108 -57 29 33 6 30 15 25 29 26 8 30 22 20 0.34 102 0 0 29 25 0 19 6 32.3 29 109 -57 29 3 38 29 46 19 28 56 37 29 53 18 0.34 103 0 0 28 54 32 19 6 36.0 30 109 -56 28 32 59 29 16 2 28 25 54 29 23 5 0.34 104 0 0 28 22 51 19 6 39.9 31 109 -55 28 1 6 28 44 33 27 53 57 28 51 39 0.34 105 0 0 27 49 56 19 6 44.0 32 110 -55 27 27 58 28 11 49 27 20 45 28 19 0 0.34 106 0 0 27 15 43 19 6 48.3 33 110 -54 26 53 33 27 37 50 26 46 16 27 45 4 0.34 107 0 0 26 40 13 19 6 52.8 34 110 -53 26 17 49 27 2 32 26 10 28 27 9 51 0.34 108 0 0 26 3 21 19 6 57.4 36 111 -52 25 40 44 26 25 54 25 33 18 26 33 18 0.34 109 0 0 25 25 7 19 7 2.3 37 111 -51 25 2 16 25 47 54 24 54 45 25 55 22 0.34 110 0 0 24 45 28 19 7 7.4 38 111 -51 24 22 22 25 8 30 24 14 46 25 16 3 0.34 111 0 0 24 4 22 19 7 12.7 39 111 -50 23 41 1 24 27 40 23 33 20 24 35 17 0.34 112 0 0 23 21 47 19 7 18.2 40 111 -49 22 58 10 23 45 20 22 50 24 23 53 3 0.34 113 0 0 22 37 41 19 7 23.9 41 111 -48 22 13 47 23 1 30 22 5 55 23 9 18 0.34 114 0 0 21 52 0 19 7 29.9 42 111 -47 21 27 49 22 16 6 21 19 52 22 24 0 0.34 115 0 0 21 4 43 19 7 36.1 43 112 -46 20 40 15 21 29 7 20 32 12 21 37 6 0.34 116 0 0 20 15 48 19 7 42.6 45 111 -45 19 51 1 20 40 30 19 42 52 20 48 35 0.34 117 0 0 19 25 12 19 7 49.3 46 111 -44 19 0 6 19 50 12 18 51 51 19 58 24 0.34 118 0 0 18 32 52 19 7 56.3 47 111 -43 18 7 27 18 58 12 17 59 5 19 6 30 0.34 119 0 0 17 38 47 19 8 3.5 48 111 -42 17 13 2 18 4 27 17 4 33 18 12 52 0.34 120 0 0 16 42 55 19 8 11.1 50 111 -41 16 16 48 17 8 55 16 8 13 17 17 26 0.34 121 0 0 15 45 12 19 8 18.9 51 110 -40 15 18 44 16 11 34 15 10 2 16 20 12 0.34 122 0 0 14 45 37 19 8 27.0 52 110 -39 14 18 47 15 12 21 14 9 57 15 21 6 0.34 123 0 0 13 44 8 19 8 35.4 53 109 -38 13 16 55 14 11 14 13 7 58 14 20 6 0.34 124 0 0 12 40 43 19 8 44.2 55 109 -36 12 13 7 13 8 12 12 4 2 13 17 12 0.34 125 0 0 11 35 21 19 8 53.2 56 108 -35 11 7 20 12 3 13 10 58 7 12 12 21 0.34 126 0 0 10 27 59 19 9 2.5 57 107 -34 9 59 34 10 56 16 9 50 13 11 5 31 0.34 127 0 0 9 18 37 19 9 12.2 59 106 -33 8 49 47 9 47 19 8 40 17 9 56 42 0.34 128 0 0 8 7 14 19 9 22.2 60 104 -31 7 37 58 8 36 22 7 28 20 8 45 53 0.34 129 0 0 6 53 50 19 9 32.5 61 103 -30 6 24 8 7 23 23 6 14 21 7 33 4 0.34 130 0 0 5 38 24 19 9 43.1 63 101 -29 5 8 15 6 8 24 4 58 20 6 18 13 0.34 131 0 0 4 20 57 19 9 54.0 64 99 -28 3 50 21 4 51 24 3 40 17 5 1 21 0.34 132 0 0 3 1 30 19 10 5.2 65 97 -26 2 30 26 3 32 24 2 20 13 3 42 30 0.34 133 0 0 1 40 4 19 10 16.7 66 94 -25 1 8 33 2 11 25 0 58 10 2 21 41 0.34 134 0 0 0 16 42 19 10 28.4 67 91 -23 - 0 15 17 0 48 31 - 0 25 49 0 58 55 0.34 135 0 0 - 1 8 34 19 10 40.5 68 88 -22 - 1 41 1 - 0 36 17 - 1 51 42 - 0 25 44 0.33 136 0 0 - 2 35 39 19 10 52.8 69 84 -21 - 3 8 34 - 2 2 55 - 3 19 25 - 1 52 13 0.33 137 0 0 - 4 4 30 19 11 5.3 70 79 -19 - 4 37 53 - 3 31 18 - 4 48 53 - 3 20 27 0.33 138 0 0 - 5 35 0 19 11 18.1 71 74 -18 - 6 8 51 - 5 1 21 - 6 20 0 - 4 50 21 0.33 139 0 0 - 7 7 4 19 11 31.0 71 69 -16 - 7 41 22 - 6 32 58 - 7 52 40 - 6 21 49 0.33 140 0 0 - 8 40 34 19 11 44.1 72 63 -15 - 9 15 19 - 8 6 2 - 9 26 46 - 7 54 44 0.33 141 0 0 -10 15 22 19 11 57.4 72 58 -13 -10 50 33 - 9 40 24 -11 2 9 - 9 28 59 0.33 142 0 0 -11 51 19 19 12 10.7 72 52 -12 -12 26 55 -11 15 57 -12 38 39 -11 4 23 0.33 143 0 0 -13 28 15 19 12 24.1 71 46 -10 -14 4 15 -12 52 30 -14 16 7 -12 40 48 0.33 144 0 0 -15 6 0 19 12 37.5 71 40 -9 -15 42 22 -14 29 52 -15 54 21 -14 18 3 0.33 145 0 0 -16 44 21 19 12 50.9 70 35 -7 -17 21 4 -16 7 52 -17 33 10 -15 55 56 0.33 146 0 0 -18 23 6 19 13 4.2 69 30 -6 -19 0 9 -17 46 18 -19 12 22 -17 34 16 0.33 147 0 0 -20 2 3 19 13 17.5 68 25 -4 -20 39 23 -19 24 57 -20 51 42 -19 12 50 0.33 148 0 0 -21 40 58 19 13 30.6 67 21 -3 -22 18 34 -21 3 37 -22 30 58 -20 51 25 0.33 149 0 0 -23 19 39 19 13 43.5 66 17 -2 -23 57 28 -22 42 5 -24 9 57 -22 29 48 0.33 150 0 0 -24 57 51 19 13 56.2 65 14 0 -25 35 52 -24 20 6 -25 48 24 -24 7 46 0.32 151 0 0 -26 35 22 19 14 8.7 63 11 1 -27 13 32 -25 57 28 -27 26 7 -25 45 5 0.32 152 0 0 -28 11 58 19 14 20.8 62 8 3 -28 50 14 -27 33 58 -29 2 52 -27 21 32 0.32 153 0 0 -29 47 27 19 14 32.7 60 5 4 -30 25 48 -29 9 23 -30 38 26 -28 56 56 0.32 154 0 0 -31 21 38 19 14 44.2 59 3 5 -31 59 59 -30 43 31 -32 12 38 -30 31 5 0.32 155 0 0 -32 54 17 19 14 55.4 57 1 6 -33 32 38 -32 16 12 -33 45 17 -32 3 46 0.32 156 0 0 -34 25 17 19 15 6.1 56 359 8 -35 3 34 -33 47 15 -35 16 12 -33 34 50 0.32 157 0 0 -35 54 26 19 15 16.5 54 357 9 -36 32 38 -35 16 31 -36 45 13 -35 4 7 0.32 158 0 0 -37 21 38 19 15 26.4 53 356 10 -37 59 41 -36 43 50 -38 12 14 -36 31 29 0.32 159 0 0 -38 46 45 19 15 36.0 51 354 11 -39 24 37 -38 9 7 -39 37 7 -37 56 49 0.32 160 0 0 -40 9 40 19 15 45.1 50 353 12 -40 47 20 -39 32 15 -40 59 45 -39 20 1 0.32 161 0 0 -41 30 20 19 15 53.8 48 351 13 -42 7 45 -40 53 9 -42 20 5 -40 40 59 0.32 162 0 0 -42 48 39 19 16 2.1 47 350 14 -43 25 49 -42 11 44 -43 38 3 -41 59 40 0.32 163 0 0 -44 4 37 19 16 9.9 46 349 15 -44 41 28 -43 27 59 -44 53 37 -43 16 1 0.32 164 0 0 -45 18 10 19 16 17.4 44 348 16 -45 54 41 -44 41 51 -46 6 44 -44 29 59 0.32 165 0 0 -46 29 18 19 16 24.4 43 347 16 -47 5 28 -45 53 20 -47 17 24 -45 41 35 0.32 166 0 0 -47 38 0 19 16 31.1 42 345 17 -48 13 49 -47 2 24 -48 25 37 -46 50 46 0.32 167 0 0 -48 44 19 19 16 37.4 40 344 18 -49 19 45 -48 9 6 -49 31 25 -47 57 35 0.32 168 0 0 -49 48 15 19 16 43.4 39 343 19 -50 23 17 -49 13 25 -50 34 50 -49 2 2 0.32 169 0 0 -50 49 50 19 16 49.0 38 342 19 -51 24 28 -50 15 25 -51 35 52 -50 4 9 0.32 170 0 0 -51 49 7 19 16 54.3 37 341 20 -52 23 19 -51 15 6 -52 34 35 -51 3 59 0.32 171 0 0 -52 46 9 19 16 59.3 36 340 21 -53 19 55 -52 12 33 -53 31 3 -52 1 34 0.32 172 0 0 -53 40 58 19 17 3.9 35 339 21 -54 14 19 -53 7 48 -54 25 18 -52 56 57 0.32 173 0 0 -54 33 39 19 17 8.4 34 338 22 -55 6 34 -54 0 55 -55 17 24 -53 50 12 0.32 174 0 0 -55 24 15 19 17 12.5 33 337 22 -55 56 44 -54 51 57 -56 7 25 -54 41 23 0.32 175 0 0 -56 12 51 19 17 16.4 32 336 23 -56 44 53 -55 40 58 -56 55 26 -55 30 32 0.32 176 0 0 -56 59 29 19 17 20.1 31 335 23 -57 31 5 -56 28 2 -57 41 29 -56 17 45 0.32 177 0 0 -57 44 15 19 17 23.5 30 334 24 -58 15 25 -57 13 13 -58 25 40 -57 3 4 0.32 178 0 0 -58 27 11 19 17 26.8 29 333 24 -58 57 56 -57 56 36 -59 8 3 -57 46 35 0.32 179 0 0 -59 8 23 19 17 29.9 28 332 24 -59 38 42 -58 38 13 -59 48 41 -58 28 20 0.32 180 0 0 -59 47 55 19 17 32.7 27 331 25 -60 17 49 -59 18 9 -60 27 39 -59 8 24 0.32 -179 0 0 -60 25 49 19 17 35.4 27 331 25 -60 55 18 -59 56 28 -61 5 1 -59 46 52 0.32 -178 0 0 -61 2 11 19 17 38.0 26 330 25 -61 31 16 -60 33 14 -61 40 50 -60 23 45 0.32 -177 0 0 -61 37 4 19 17 40.4 25 329 26 -62 5 45 -61 8 30 -62 15 11 -60 59 9 0.32 -176 0 0 -62 10 31 19 17 42.6 24 328 26 -62 38 48 -61 42 20 -62 48 7 -61 33 7 0.32 -175 0 0 -62 42 36 19 17 44.8 24 327 26 -63 10 31 -62 14 48 -63 19 42 -62 5 42 0.32 -174 0 0 -63 13 23 19 17 46.8 23 326 27 -63 40 55 -62 45 57 -63 49 59 -62 36 59 0.32 -173 0 0 -63 42 55 19 17 48.7 22 325 27 -64 10 5 -63 15 51 -64 19 1 -63 6 59 0.32 -172 0 0 -64 11 14 19 17 50.5 22 324 27 -64 38 3 -63 44 31 -64 46 52 -63 35 47 0.32 -171 0 0 -64 38 25 19 17 52.1 21 323 27 -65 4 53 -64 12 3 -65 13 35 -64 3 25 0.32 -170 0 0 -65 4 30 19 17 53.7 20 322 28 -65 30 37 -64 38 28 -65 39 13 -64 29 56 0.32 -169 0 0 -65 29 31 19 17 55.2 20 321 28 -65 55 19 -65 3 49 -66 3 48 -64 55 23 0.32 -168 0 0 -65 53 32 19 17 56.7 19 320 28 -66 19 1 -65 28 8 -66 27 24 -65 19 49 0.32 -167 0 0 -66 16 35 19 17 58.0 19 319 28 -66 41 45 -65 51 30 -66 50 2 -65 43 17 0.32 -166 0 0 -66 38 42 19 17 59.3 18 318 28 -67 3 34 -66 13 55 -67 11 45 -66 5 48 0.32 -164 59 59 -66 59 56 19 18 0.5 18 317 28 -67 24 30 -66 35 26 -67 32 35 -66 27 25 0.32 -163 59 59 -67 20 19 19 18 1.6 17 316 29 -67 44 36 -66 56 6 -67 52 35 -66 48 10 0.32 -162 59 59 -67 39 52 19 18 2.7 17 315 29 -68 3 53 -67 15 56 -68 11 47 -67 8 5 0.32 -161 59 59 -67 58 39 19 18 3.7 16 315 29 -68 22 24 -67 34 59 -68 30 12 -67 27 13 0.32 -160 59 59 -68 16 41 19 18 4.7 16 314 29 -68 40 10 -67 53 15 -68 47 53 -67 45 35 0.32 -159 59 59 -68 33 59 19 18 5.6 15 313 29 -68 57 13 -68 10 49 -69 4 51 -68 3 13 0.32 -158 59 59 -68 50 35 19 18 6.5 15 312 29 -69 13 35 -68 27 40 -69 21 9 -68 20 9 0.32 -157 59 59 -69 6 32 19 18 7.3 14 311 29 -69 29 17 -68 43 50 -69 36 46 -68 36 24 0.32 -156 59 59 -69 21 50 19 18 8.1 14 310 29 -69 44 22 -68 59 21 -69 51 46 -68 52 0 0.32 -155 59 59 -69 36 31 19 18 8.8 13 309 30 -69 58 50 -69 14 15 -70 6 10 -69 6 58 0.32 -154 59 59 -69 50 36 19 18 9.5 13 308 30 -70 12 42 -69 28 33 -70 19 58 -69 21 20 0.32 -153 59 59 -70 4 7 19 18 10.2 12 307 30 -70 26 1 -69 42 16 -70 33 13 -69 35 7 0.32 -152 59 59 -70 17 5 19 18 10.8 12 306 30 -70 38 47 -69 55 26 -70 45 55 -69 48 20 0.32 -151 59 59 -70 29 31 19 18 11.4 12 305 30 -70 51 1 -70 8 3 -70 58 6 -70 1 1 0.32 -150 59 59 -70 41 26 19 18 12.0 11 304 30 -71 2 45 -70 20 9 -71 9 46 -70 13 11 0.32 -149 59 59 -70 52 51 19 18 12.6 11 303 30 -71 14 0 -70 31 45 -71 20 57 -70 24 50 0.32 -148 59 59 -71 3 47 19 18 13.1 11 302 30 -71 24 46 -70 42 51 -71 31 40 -70 36 0 0.32 -147 59 59 -71 14 16 19 18 13.6 10 301 30 -71 35 5 -70 53 30 -71 41 56 -70 46 41 0.32 -146 59 59 -71 24 18 19 18 14.0 10 300 30 -71 44 57 -71 3 41 -71 51 45 -70 56 55 0.32 -145 59 59 -71 33 53 19 18 14.5 9 299 30 -71 54 24 -71 13 25 -72 1 8 -71 6 43 0.32 -144 59 59 -71 43 3 19 18 14.9 9 298 30 -72 3 26 -71 22 44 -72 10 7 -71 16 4 0.32 -143 59 59 -71 51 49 19 18 15.3 9 297 31 -72 12 3 -71 31 38 -72 18 42 -71 25 1 0.32 -142 59 59 -72 0 11 19 18 15.7 8 296 31 -72 20 17 -71 40 8 -72 26 53 -71 33 34 0.32 -141 59 59 -72 8 10 19 18 16.0 8 296 31 -72 28 8 -71 48 14 -72 34 42 -71 41 42 0.32 -140 59 59 -72 15 46 19 18 16.4 8 295 31 -72 35 37 -71 55 58 -72 42 9 -71 49 28 0.32 -139 59 59 -72 23 1 19 18 16.7 7 294 31 -72 42 45 -72 3 19 -72 49 14 -71 56 52 0.32 -138 59 59 -72 29 54 19 18 17.0 7 293 31 -72 49 31 -72 10 19 -72 55 58 -72 3 54 0.32 -137 59 59 -72 36 26 19 18 17.3 7 292 31 -72 55 57 -72 16 57 -73 2 22 -72 10 34 0.32 -136 59 59 -72 42 38 19 18 17.5 6 291 31 -73 2 3 -72 23 15 -73 8 26 -72 16 54 0.33 -135 59 59 -72 48 30 19 18 17.8 6 290 31 -73 7 50 -72 29 13 -73 14 11 -72 22 54 0.33 -134 59 59 -72 54 3 19 18 18.0 6 289 31 -73 13 17 -72 34 52 -73 19 36 -72 28 34 0.33 -133 59 59 -72 59 17 19 18 18.3 6 288 31 -73 18 26 -72 40 10 -73 24 43 -72 33 55 0.33 -132 59 59 -73 4 12 19 18 18.5 5 287 31 -73 23 17 -72 45 11 -73 29 32 -72 38 56 0.33 -131 59 59 -73 8 50 19 18 18.7 5 286 31 -73 27 49 -72 49 52 -73 34 4 -72 43 39 0.33 -130 59 59 -73 13 9 19 18 18.9 5 285 31 -73 32 4 -72 54 16 -73 38 17 -72 48 4 0.33 -129 59 59 -73 17 11 19 18 19.0 4 284 31 -73 36 2 -72 58 21 -73 42 14 -72 52 11 0.33 -128 59 59 -73 20 55 19 18 19.2 4 283 31 -73 39 43 -73 2 10 -73 45 54 -72 56 1 0.33 -127 59 59 -73 24 23 19 18 19.3 4 282 31 -73 43 7 -73 5 41 -73 49 17 -72 59 33 0.33 -126 59 59 -73 27 34 19 18 19.5 3 281 31 -73 46 15 -73 8 54 -73 52 23 -73 2 48 0.33 -125 59 59 -73 30 28 19 18 19.6 3 280 31 -73 49 6 -73 11 52 -73 55 14 -73 5 46 0.33 -124 59 59 -73 33 6 19 18 19.7 3 279 31 -73 51 42 -73 14 32 -73 57 49 -73 8 27 0.33 -123 59 59 -73 35 28 19 18 19.8 3 278 31 -73 54 2 -73 16 57 -74 0 8 -73 10 52 0.34 -122 59 59 -73 37 34 19 18 19.9 2 277 31 -73 56 6 -73 19 5 -74 2 11 -73 13 1 0.34 -121 59 59 -73 39 24 19 18 20.0 2 276 31 -73 57 54 -73 20 57 -74 3 59 -73 14 54 0.34 -120 59 59 -73 40 59 19 18 20.0 2 275 31 -73 59 27 -73 22 33 -74 5 31 -73 16 30 0.35 -119 59 59 -73 42 18 19 18 20.1 1 275 31 -74 0 45 -73 23 53 -74 6 49 -73 17 51 0.35 -118 59 59 -73 43 22 19 18 20.2 1 274 31 -74 1 48 -73 24 58 -74 7 51 -73 18 56 0.36 -117 59 59 -73 44 10 19 18 20.2 1 273 31 -74 2 35 -73 25 47 -74 8 38 -73 19 45 0.37 -116 59 59 -73 44 43 19 18 20.2 1 272 31 -74 3 8 -73 26 20 -74 9 10 -73 20 19 0.40 -115 59 59 -73 45 1 19 18 20.2 0 271 31 -74 3 25 -73 26 38 -74 9 28 -73 20 37 0.46 -114 59 59 -73 45 3 19 18 20.2 0 270 31 -74 3 27 -73 26 41 -74 9 30 -73 20 39 1.14 Uncertainty in time = +/- 1 secs Prediction of 2023 Sep 17.8 Data for the target star ------------------------ * name: UCAC4 450-044668 * constellation : Hydra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 08 27 17.4934 DE: -00 03 35.004 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 08 27 17.4934 DE: -00 03 35.004 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.8 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (849) Ara asteroid class: approx. diameter [km]: 65 approx. diameter ["]: 0.025 distance from Earth [AU]: 3.61620 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#114 date of fit: 2023 Aug 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): 0.006", 0.001", 106.246° remarks: * orbital elements for (849)Ara : Mean anomaly = 185.0258898845 deg Arg. of pericenter = 62.8065795675 deg Long. of node = 228.2712291326 deg Inclination = 19.5372135292 deg Eccentricity = 0.2009553581 Semimajor axis = 3.1440054970 AU Perihelion dist = 2.5122007466 AU Mag: H = 8.20, G = 0.15 Epoch of elements : MJD 60251.79993056 TDT (2023 Nov 03.7999) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1142023Aug24,4.10,2023,11,3,19.199811,-0.257800,-0.178599,5.089671,-7.352704,-0.005795,0.001558,0.000000,0.000000 156.3437,-0.1355,-112.11,-15.16,False UCAC4 450-044668,8.45485925,-0.0597233,0.00,11.77,0.00,0.0,0,,8.47511909,-0.1354536,3.02,0.00,0,0,0 849,Ara,14.72,64.900,3.6162,0,0,0.826,-17.88,,4.0,0 0,184.8845,2023,11,3,62.8066,228.2712,19.5372,0.20096,3.14401,2.51220,8.20,5.0,0.15 1.164,0.0063,0.0009,106,0.0064,Known errors,-1.00,0,-1,-1 20231103_044668,60204.81 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Sep 17, 19:22 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org