IOTA/IOTA-ES occultation update for (24362) 2000 AR120 / UCAC4 527-047088 event on 2024 Oct 29, 13:30 UT Visible from Summary ------- On 2024 Oct 29 UT, the 17.257 km diameter asteroid (24362) 2000 AR120 will occult a 11.2 mag star in the constellation Cancer for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.35 mag to 18.53 mag (the magnitude of the asteroid) for at most 1.060 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 29, 13:24 - 2024 Oct 29, 13:37 * geocentric midpoint of event [JD]: 2460613.06317054 * magnitude of target star: 11.18 * magnitude drop [mag]: 7.35 * estimated maximum duration [s]: 1.060 * Moon: 8 % sunlit, 58° distance * Sun: 90° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 17 * 1 sigma uncertainty interval [path widths]: +/- 0.33 * 1 sigma uncertainty interval [seconds]: +/- 2.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.015, +/- 0.007) * 1 sigma uncertainty ellipse (major, minor, PA): (0.017", 0.002", 112°) * approx speed of asteroid's shadow [km/s]: 16.3454 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 527-047088 by 24362 2000 AR120 on 2024 Oct 29 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 149 0 0 32 44 53 13 24 30.3 1 72 -70 32 39 58 32 49 49 32 36 41 32 53 6 .... 150 0 0 33 0 53 13 24 30.5 1 73 -70 32 55 58 33 5 48 32 52 41 33 9 4 -0.14 151 0 0 33 16 23 13 24 30.7 2 73 -70 33 11 29 33 21 17 33 8 13 33 24 34 -0.12 152 0 0 33 31 24 13 24 31.0 3 74 -70 33 26 31 33 36 18 33 23 15 33 39 34 -0.12 153 0 0 33 45 57 13 24 31.3 4 75 -70 33 41 4 33 50 50 33 37 49 33 54 5 -0.11 154 0 0 34 0 0 13 24 31.8 5 75 -70 33 55 8 34 4 52 33 51 53 34 8 7 -0.11 155 0 0 34 13 35 13 24 32.4 6 76 -70 34 8 43 34 18 26 34 5 29 34 21 40 -0.11 156 0 0 34 26 40 13 24 33.0 7 76 -69 34 21 50 34 31 31 34 18 36 34 34 45 -0.11 157 0 0 34 39 17 13 24 33.8 8 77 -69 34 34 27 34 44 8 34 31 14 34 47 21 -0.11 158 0 0 34 51 26 13 24 34.6 8 77 -69 34 46 36 34 56 15 34 43 24 34 59 28 -0.10 159 0 0 35 3 6 13 24 35.5 9 78 -68 34 58 17 35 7 55 34 55 5 35 11 7 -0.10 160 0 0 35 14 18 13 24 36.4 10 78 -68 35 9 29 35 19 6 35 6 17 35 22 18 -0.10 161 0 0 35 25 1 13 24 37.5 11 79 -68 35 20 13 35 29 49 35 17 2 35 33 1 -0.10 162 0 0 35 35 16 13 24 38.6 12 80 -67 35 30 29 35 40 4 35 27 18 35 43 15 -0.10 163 0 0 35 45 3 13 24 39.8 13 80 -67 35 40 17 35 49 50 35 37 6 35 53 1 -0.10 164 0 0 35 54 23 13 24 41.1 13 81 -66 35 49 36 35 59 9 35 46 26 36 2 20 -0.10 165 0 0 36 3 14 13 24 42.5 14 81 -66 35 58 28 36 8 0 35 55 18 36 11 10 -0.10 166 0 0 36 11 37 13 24 43.9 15 82 -65 36 6 52 36 16 22 36 3 42 36 19 33 -0.10 167 0 0 36 19 33 13 24 45.4 16 83 -65 36 14 48 36 24 18 36 11 38 36 27 27 -0.10 168 0 0 36 27 1 13 24 47.0 17 83 -64 36 22 16 36 31 45 36 19 7 36 34 55 -0.10 169 0 0 36 34 1 13 24 48.6 18 84 -64 36 29 17 36 38 45 36 26 8 36 41 54 -0.10 170 0 0 36 40 34 13 24 50.4 18 84 -63 36 35 50 36 45 18 36 32 41 36 48 27 -0.10 171 0 0 36 46 39 13 24 52.2 19 85 -63 36 41 56 36 51 23 36 38 47 36 54 31 -0.10 172 0 0 36 52 17 13 24 54.0 20 86 -62 36 47 34 36 57 0 36 44 26 37 0 9 -0.10 173 0 0 36 57 28 13 24 56.0 21 86 -62 36 52 45 37 2 11 36 49 37 37 5 19 -0.10 174 0 0 37 2 11 13 24 58.0 22 87 -61 36 57 29 37 6 54 36 54 20 37 10 2 -0.10 175 0 0 37 6 27 13 25 0.1 22 87 -60 37 1 45 37 11 9 36 58 37 37 14 18 -0.10 176 0 0 37 10 16 13 25 2.2 23 88 -60 37 5 34 37 14 58 37 2 26 37 18 6 -0.10 177 0 0 37 13 38 13 25 4.4 24 89 -59 37 8 56 37 18 20 37 5 48 37 21 27 -0.10 178 0 0 37 16 32 13 25 6.7 25 89 -59 37 11 50 37 21 14 37 8 43 37 24 22 -0.10 179 0 0 37 18 59 13 25 9.1 26 90 -58 37 14 18 37 23 41 37 11 10 37 26 49 -0.10 -180 0 0 37 21 0 13 25 11.5 26 91 -57 37 16 18 37 25 41 37 13 11 37 28 49 -0.09 -179 0 0 37 22 33 13 25 14.0 27 91 -57 37 17 52 37 27 14 37 14 44 37 30 22 -0.09 -178 0 0 37 23 39 13 25 16.5 28 92 -56 37 18 58 37 28 20 37 15 50 37 31 28 -0.09 -177 0 0 37 24 18 13 25 19.1 29 92 -55 37 19 37 37 28 59 37 16 29 37 32 6 -0.09 -176 0 0 37 24 29 13 25 21.8 30 93 -55 37 19 48 37 29 11 37 16 41 37 32 18 -0.09 -175 0 0 37 24 14 13 25 24.6 30 94 -54 37 19 33 37 28 55 37 16 26 37 32 3 -0.09 -174 0 0 37 23 32 13 25 27.4 31 94 -53 37 18 50 37 28 13 37 15 43 37 31 20 -0.09 -173 0 0 37 22 22 13 25 30.3 32 95 -53 37 17 40 37 27 3 37 14 33 37 30 11 -0.09 -172 0 0 37 20 45 13 25 33.3 33 96 -52 37 16 3 37 25 26 37 12 56 37 28 34 -0.09 -171 0 0 37 18 40 13 25 36.3 34 96 -51 37 13 59 37 23 22 37 10 51 37 26 29 -0.09 -170 0 0 37 16 9 13 25 39.4 34 97 -51 37 11 27 37 20 50 37 8 19 37 23 58 -0.09 -169 0 0 37 13 9 13 25 42.6 35 98 -50 37 8 28 37 17 51 37 5 20 37 20 59 -0.09 -168 0 0 37 9 43 13 25 45.8 36 98 -49 37 5 1 37 14 25 37 1 53 37 17 33 -0.09 -167 0 0 37 5 49 13 25 49.1 37 99 -49 37 1 6 37 10 31 36 57 58 37 13 39 -0.09 -166 0 0 37 1 27 13 25 52.5 38 100 -48 36 56 44 37 6 9 36 53 36 37 9 18 -0.09 -165 0 0 36 56 37 13 25 55.9 39 100 -47 36 51 55 37 1 20 36 48 46 37 4 28 -0.09 -164 0 0 36 51 20 13 25 59.4 39 101 -46 36 46 37 36 56 3 36 43 28 36 59 12 -0.09 -163 0 0 36 45 35 13 26 3.0 40 102 -46 36 40 51 36 50 18 36 37 43 36 53 27 -0.09 -162 0 0 36 39 21 13 26 6.7 41 102 -45 36 34 38 36 44 5 36 31 29 36 47 14 -0.09 -161 0 0 36 32 40 13 26 10.4 42 103 -44 36 27 56 36 37 24 36 24 47 36 40 33 -0.09 -160 0 0 36 25 30 13 26 14.2 43 104 -43 36 20 46 36 30 14 36 17 36 36 33 24 -0.09 -159 0 0 36 17 52 13 26 18.1 43 104 -43 36 13 7 36 22 37 36 9 57 36 25 47 -0.09 -158 0 0 36 9 45 13 26 22.0 44 105 -42 36 5 0 36 14 30 36 1 50 36 17 41 -0.09 -157 0 0 36 1 10 13 26 26.1 45 106 -41 35 56 24 36 5 56 35 53 14 36 9 6 -0.09 -156 0 0 35 52 6 13 26 30.1 46 106 -40 35 47 19 35 56 52 35 44 9 36 0 3 -0.09 -155 0 0 35 42 33 13 26 34.3 47 107 -40 35 37 46 35 47 19 35 34 35 35 50 30 -0.09 -154 0 0 35 32 30 13 26 38.6 48 108 -39 35 27 43 35 37 18 35 24 32 35 40 29 -0.09 -153 0 0 35 21 59 13 26 42.9 48 108 -38 35 17 11 35 26 47 35 13 59 35 29 59 -0.09 -152 0 0 35 10 58 13 26 47.3 49 109 -37 35 6 10 35 15 47 35 2 57 35 18 59 -0.09 -151 0 0 34 59 28 13 26 51.7 50 110 -36 34 54 38 35 4 17 34 51 26 35 7 29 -0.09 -150 0 0 34 47 27 13 26 56.3 51 110 -36 34 42 38 34 52 17 34 39 25 34 55 30 -0.09 -149 0 0 34 34 57 13 27 0.9 52 111 -35 34 30 7 34 39 48 34 26 54 34 43 1 -0.09 -148 0 0 34 21 57 13 27 5.6 53 112 -34 34 17 6 34 26 48 34 13 52 34 30 2 -0.09 -147 0 0 34 8 27 13 27 10.4 54 113 -33 34 3 35 34 13 19 34 0 21 34 16 33 -0.09 -146 0 0 33 54 26 13 27 15.3 54 113 -32 33 49 34 33 59 19 33 46 19 34 2 34 -0.09 -145 0 0 33 39 55 13 27 20.2 55 114 -32 33 35 2 33 44 48 33 31 47 33 48 4 -0.09 -144 0 0 33 24 53 13 27 25.2 56 115 -31 33 19 59 33 29 47 33 16 43 33 33 3 -0.09 -143 0 0 33 9 20 13 27 30.3 57 115 -30 33 4 26 33 14 15 33 1 9 33 17 32 -0.09 -142 0 0 32 53 17 13 27 35.5 58 116 -29 32 48 21 32 58 12 32 45 4 33 1 29 -0.09 -141 0 0 32 36 42 13 27 40.8 59 117 -28 32 31 45 32 41 38 32 28 28 32 44 55 -0.09 -140 0 0 32 19 35 13 27 46.1 60 118 -27 32 14 38 32 24 32 32 11 20 32 27 51 -0.09 -139 0 0 32 1 57 13 27 51.6 61 119 -27 31 56 59 32 6 56 31 53 41 32 10 14 -0.09 -138 0 0 31 43 48 13 27 57.1 62 119 -26 31 38 49 31 48 47 31 35 30 31 52 6 -0.09 -137 0 0 31 25 7 13 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50 30 27 7 48 -0.09 -124 0 0 26 33 30 13 29 23.0 75 135 -13 26 28 17 26 38 42 26 24 49 26 42 10 -0.09 -123 0 0 26 7 19 13 29 29.7 76 137 -12 26 2 5 26 12 32 25 58 36 26 16 1 -0.09 -122 0 0 25 40 36 13 29 36.5 77 139 -11 25 35 21 25 45 50 25 31 52 25 49 20 -0.09 -121 0 0 25 13 21 13 29 43.4 77 142 -10 25 8 6 25 18 36 25 4 36 25 22 7 -0.09 -120 0 0 24 45 35 13 29 50.4 78 144 -9 24 40 19 24 50 51 24 36 48 24 54 22 -0.09 -119 0 0 24 17 18 13 29 57.4 79 147 -8 24 12 0 24 22 35 24 8 29 24 26 7 -0.09 -118 0 0 23 48 30 13 30 4.5 80 151 -7 23 43 11 23 53 48 23 39 39 23 57 20 -0.09 -117 0 0 23 19 11 13 30 11.7 81 155 -6 23 13 52 23 24 31 23 10 19 23 28 3 -0.09 -116 0 0 22 49 22 13 30 18.9 82 160 -5 22 44 2 22 54 43 22 40 29 22 58 16 -0.10 -115 0 0 22 19 4 13 30 26.2 83 167 -4 22 13 43 22 24 25 22 10 9 22 27 59 -0.10 -114 0 0 21 48 16 13 30 33.6 83 174 -3 21 42 54 21 53 38 21 39 19 21 57 13 -0.10 -113 0 0 21 16 59 13 30 41.0 84 183 -2 21 11 36 21 22 22 21 8 1 21 25 58 -0.10 -112 0 0 20 45 14 13 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99 0 0 13 14 46 13 32 28.7 75 280 14 13 9 13 13 20 20 13 5 31 13 24 2 -0.10 - 98 0 0 12 37 44 13 32 36.5 74 282 15 12 32 11 12 43 18 12 28 29 12 47 0 -0.10 - 97 0 0 12 0 27 13 32 44.3 73 283 16 11 54 53 12 6 1 11 51 11 12 9 44 -0.10 - 96 0 0 11 22 56 13 32 52.0 72 284 17 11 17 22 11 28 30 11 13 39 11 32 13 -0.10 - 95 0 0 10 45 12 13 32 59.7 71 286 19 10 39 37 10 50 47 10 35 54 10 54 30 -0.10 - 94 0 0 10 7 17 13 33 7.4 70 287 20 10 1 42 10 12 52 9 57 59 10 16 35 -0.10 - 93 0 0 9 29 11 13 33 15.1 69 288 21 9 23 36 9 34 47 9 19 53 9 38 30 -0.10 - 92 0 0 8 50 57 13 33 22.7 68 289 22 8 45 22 8 56 32 8 41 38 9 0 16 -0.10 - 91 0 0 8 12 35 13 33 30.3 66 289 23 8 7 0 8 18 11 8 3 16 8 21 54 -0.10 - 90 0 0 7 34 7 13 33 37.8 65 290 24 7 28 31 7 39 43 7 24 48 7 43 27 -0.10 - 89 0 0 6 55 34 13 33 45.3 64 291 26 6 49 59 7 1 10 6 46 15 7 4 54 -0.10 - 88 0 0 6 16 58 13 33 52.6 63 291 27 6 11 23 6 22 34 6 7 39 6 26 18 -0.10 - 87 0 0 5 38 20 13 34 0.0 62 292 28 5 32 44 5 43 56 5 29 1 5 47 39 -0.10 - 86 0 0 4 59 41 13 34 7.2 60 292 29 4 54 6 5 5 17 4 50 22 5 9 1 -0.10 - 85 0 0 4 21 3 13 34 14.4 59 293 30 4 15 28 4 26 39 4 11 44 4 30 22 -0.10 - 84 0 0 3 42 27 13 34 21.4 58 293 31 3 36 52 3 48 3 3 33 9 3 51 46 -0.11 - 83 0 0 3 3 55 13 34 28.4 57 293 33 2 58 20 3 9 30 2 54 37 3 13 13 -0.11 - 82 0 0 2 25 28 13 34 35.3 56 294 34 2 19 53 2 31 2 2 16 10 2 34 46 -0.11 - 81 0 0 1 47 6 13 34 42.1 54 294 35 1 41 32 1 52 41 1 37 49 1 56 24 -0.11 - 80 0 0 1 8 53 13 34 48.7 53 294 36 1 3 19 1 14 27 0 59 36 1 18 10 -0.11 - 79 0 0 0 30 48 13 34 55.3 52 294 37 0 25 15 0 36 22 0 21 32 0 40 4 -0.11 - 78 0 0 - 0 7 6 13 35 1.7 51 295 39 - 0 12 39 - 0 1 33 - 0 16 21 0 2 9 -0.11 - 77 0 0 - 0 44 49 13 35 8.1 50 295 40 - 0 50 22 - 0 39 16 - 0 54 3 - 0 35 34 -0.11 - 76 0 0 - 1 22 19 13 35 14.3 49 295 41 - 1 27 51 - 1 16 47 - 1 31 32 - 1 13 5 -0.11 - 75 0 0 - 1 59 35 13 35 20.3 47 295 42 - 2 5 7 - 1 54 4 - 2 8 48 - 1 50 23 -0.11 - 74 0 0 - 2 36 36 13 35 26.3 46 295 43 - 2 42 7 - 2 31 5 - 2 45 48 - 2 27 25 -0.11 - 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18 -15 21 4 -0.12 - 49 0 0 -15 55 56 13 37 7.9 18 292 70 -16 1 5 -15 50 47 -16 4 31 -15 47 21 -0.12 - 48 0 0 -16 21 39 13 37 10.0 17 292 71 -16 26 47 -16 16 31 -16 30 13 -16 13 5 -0.12 - 47 0 0 -16 46 50 13 37 12.0 16 292 72 -16 51 58 -16 41 43 -16 55 22 -16 38 18 -0.12 - 46 0 0 -17 11 29 13 37 13.9 15 291 73 -17 16 35 -17 6 23 -17 20 0 -17 2 59 -0.12 - 45 0 0 -17 35 36 13 37 15.6 14 291 74 -17 40 41 -17 30 30 -17 44 5 -17 27 7 -0.12 - 44 0 0 -17 59 10 13 37 17.3 13 291 74 -18 4 14 -17 54 5 -18 7 37 -17 50 42 -0.12 - 43 0 0 -18 22 11 13 37 18.7 12 290 75 -18 27 15 -18 17 8 -18 30 37 -18 13 46 -0.12 - 42 0 0 -18 44 41 13 37 20.1 11 290 76 -18 49 43 -18 39 38 -18 53 5 -18 36 16 -0.12 - 41 0 0 -19 6 37 13 37 21.3 10 290 77 -19 11 39 -19 1 35 -19 15 0 -18 58 14 -0.12 - 40 0 0 -19 28 1 13 37 22.4 9 289 77 -19 33 2 -19 23 0 -19 36 22 -19 19 40 -0.12 - 39 0 0 -19 48 52 13 37 23.3 8 289 78 -19 53 52 -19 43 52 -19 57 12 -19 40 32 -0.13 - 38 0 0 -20 9 11 13 37 24.2 7 289 79 -20 14 10 -20 4 12 -20 17 29 -20 0 52 -0.13 - 37 0 0 -20 28 57 13 37 24.9 6 288 79 -20 33 56 -20 23 59 -20 37 14 -20 20 40 -0.13 - 36 0 0 -20 48 11 13 37 25.5 5 288 80 -20 53 8 -20 43 13 -20 56 27 -20 39 55 -0.14 - 35 0 0 -21 6 52 13 37 25.9 4 288 80 -21 11 49 -21 1 55 -21 15 6 -20 58 38 -0.15 - 34 0 0 -21 25 1 13 37 26.3 3 287 81 -21 29 57 -21 20 5 -21 33 14 -21 16 48 -0.16 - 33 0 0 -21 42 38 13 37 26.5 2 287 81 -21 47 33 -21 37 42 -21 50 49 -21 34 26 -0.19 - 32 0 0 -21 59 42 13 37 26.7 1 287 81 -22 4 36 -21 54 47 -22 7 52 -21 51 31 -0.33 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: UCAC4 527-047088 * constellation : Cancer * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 08 29 26.2450 DE: +15 15 27.429 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 08 29 26.2453 DE: +15 15 27.428 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 11.2 * B mag [mag]: 11.5 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (24362) 2000 AR120 asteroid class: approx. diameter [km]: 17 approx. diameter ["]: 0.009 distance from Earth [AU]: 2.66410 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#44 date of fit: 2022 Nov 26 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): 0.017", 0.002", 111.846° remarks: * orbital elements for (24362)2000 AR120 : Mean anomaly = 40.6511542874 deg Arg. of pericenter = 159.7461485695 deg Long. of node = 262.5795743805 deg Inclination = 8.7047645616 deg Eccentricity = 0.0355140049 Semimajor axis = 2.9262651682 AU Perihelion dist = 2.8223417726 AU Mag: H = 13.12, G = 0.15 Epoch of elements : MJD 60612.56316888 TDT (2024 Oct 29.5632) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#442022Nov26,1.06,2024,10,29,13.516093,0.043675,0.083523,8.123496,-4.373126,-0.005697,0.001433,0.000000,0.000000 -113.4068,15.1760,-26.82,-13.73,False UCAC4 527-047088,8.49062358,15.2576194,11.48,11.18,11.02,0.0,0,,8.51380792,15.1759867,7.35,7.07,0,0,0 24362,2000 AR120,18.53,17.257,2.6641,0,0,1.852,-14.44,,1.4,0 0,40.5403,2024,10,29,159.7461,262.5796,8.7048,0.03551,2.92627,2.82234,13.12,5.0,0.15 1.333,0.0167,0.0023,112,0.0030,Known errors,0.98,0,-1,-1 20241029_047088,60140.67 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:00 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org