IOTA/IOTA-ES occultation update for (4864) Nimoy / UCAC4 552-042913 event on 2024 Oct 05, 00:57 UT Visible from Summary ------- On 2024 Oct 05 UT, the 12.445 km diameter asteroid (4864) Nimoy will occult a 11.9 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 7.14 mag to 19.04 mag (the magnitude of the asteroid) for at most 0.510 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: 96 * date and approx. time of event: 2024 Oct 05, 00:53 - 2024 Oct 05, 01:01 * geocentric midpoint of event [JD]: 2460588.53982438 * magnitude of target star: 11.90 * magnitude drop [mag]: 7.14 * estimated maximum duration [s]: 0.510 * Moon: 4 % sunlit, 95° distance * Sun: 71° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 13 * 1 sigma uncertainty interval [path widths]: +/- 0.41 * 1 sigma uncertainty interval [seconds]: +/- 1.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.015, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.015", 0.002", 98°) * approx speed of asteroid's shadow [km/s]: 24.4843 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 552-042913 by 4864 Nimoy on 2024 Oct 5 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 8 0 0 - 4 23 40 0 53 8.9 0 70 -64 - 4 27 23 - 4 19 58 - 4 30 27 - 4 16 54 .... 9 0 0 - 4 1 34 0 53 8.9 1 70 -63 - 4 5 17 - 3 57 52 - 4 8 20 - 3 54 49 0.03 10 0 0 - 3 39 42 0 53 9.1 2 70 -62 - 3 43 24 - 3 35 59 - 3 46 27 - 3 32 57 0.14 11 0 0 - 3 18 3 0 53 9.3 3 70 -62 - 3 21 45 - 3 14 21 - 3 24 48 - 3 11 19 0.18 12 0 0 - 2 56 40 0 53 9.6 4 69 -61 - 3 0 21 - 2 52 58 - 3 3 24 - 2 49 56 0.19 13 0 0 - 2 35 31 0 53 10.1 5 69 -60 - 2 39 12 - 2 31 50 - 2 42 15 - 2 28 48 0.21 14 0 0 - 2 14 38 0 53 10.6 6 69 -59 - 2 18 19 - 2 10 57 - 2 21 21 - 2 7 55 0.21 15 0 0 - 1 54 1 0 53 11.2 8 69 -58 - 1 57 42 - 1 50 20 - 2 0 43 - 1 47 18 0.22 16 0 0 - 1 33 40 0 53 11.9 9 69 -57 - 1 37 21 - 1 30 0 - 1 40 22 - 1 26 58 0.22 17 0 0 - 1 13 36 0 53 12.7 10 69 -56 - 1 17 17 - 1 9 56 - 1 20 18 - 1 6 55 0.23 18 0 0 - 0 53 50 0 53 13.6 11 69 -55 - 0 57 30 - 0 50 10 - 1 0 31 - 0 47 9 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8 0.25 33 0 0 3 24 23 0 53 36.9 26 69 -41 3 20 48 3 27 58 3 17 51 3 30 55 0.25 34 0 0 3 38 49 0 53 39.1 27 69 -40 3 35 14 3 42 24 3 32 17 3 45 21 0.25 35 0 0 3 52 52 0 53 41.4 28 69 -39 3 49 17 3 56 27 3 46 21 3 59 23 0.25 36 0 0 4 6 33 0 53 43.7 29 69 -38 4 2 58 4 10 7 4 0 2 4 13 3 0.25 37 0 0 4 19 51 0 53 46.2 30 69 -37 4 16 17 4 23 25 4 13 20 4 26 21 0.25 38 0 0 4 32 46 0 53 48.6 31 69 -36 4 29 12 4 36 19 4 26 16 4 39 15 0.25 39 0 0 4 45 18 0 53 51.2 32 69 -35 4 41 44 4 48 51 4 38 48 4 51 47 0.25 40 0 0 4 57 26 0 53 53.8 33 69 -34 4 53 53 5 0 59 4 50 57 5 3 55 0.25 41 0 0 5 9 11 0 53 56.5 34 69 -33 5 5 38 5 12 44 5 2 43 5 15 40 0.25 42 0 0 5 20 33 0 53 59.3 35 69 -32 5 17 0 5 24 6 5 14 5 5 27 1 0.25 43 0 0 5 31 31 0 54 2.1 37 69 -31 5 27 58 5 35 3 5 25 3 5 37 58 0.25 44 0 0 5 42 5 0 54 5.0 38 69 -30 5 38 33 5 45 37 5 35 38 5 48 32 0.25 45 0 0 5 52 15 0 54 8.0 39 69 -29 5 48 43 5 55 47 5 45 48 5 58 41 0.25 46 0 0 6 2 1 0 54 11.0 40 69 -28 5 58 29 6 5 33 5 55 35 6 8 27 0.25 47 0 0 6 11 22 0 54 14.0 40 69 -27 6 7 51 6 14 54 6 4 57 6 17 48 0.25 48 0 0 6 20 20 0 54 17.2 41 69 -26 6 16 48 6 23 51 6 13 54 6 26 45 0.25 49 0 0 6 28 53 0 54 20.4 42 68 -25 6 25 21 6 32 24 6 22 28 6 35 18 0.25 50 0 0 6 37 1 0 54 23.6 43 68 -24 6 33 30 6 40 32 6 30 36 6 43 26 0.26 51 0 0 6 44 45 0 54 26.9 44 68 -23 6 41 14 6 48 15 6 38 20 6 51 9 0.26 52 0 0 6 52 4 0 54 30.3 45 68 -22 6 48 33 6 55 34 6 45 39 6 58 28 0.26 53 0 0 6 58 58 0 54 33.7 46 68 -21 6 55 27 7 2 28 6 52 34 7 5 22 0.26 54 0 0 7 5 27 0 54 37.2 47 68 -20 7 1 57 7 8 57 6 59 3 7 11 51 0.26 55 0 0 7 11 31 0 54 40.7 48 67 -19 7 8 1 7 15 2 7 5 8 7 17 55 0.26 56 0 0 7 17 11 0 54 44.3 49 67 -18 7 13 41 7 20 41 7 10 48 7 23 34 0.26 57 0 0 7 22 25 0 54 47.9 50 67 -17 7 18 55 7 25 55 7 16 2 7 28 48 0.26 58 0 0 7 27 14 0 54 51.6 51 67 -16 7 23 44 7 30 44 7 20 51 7 33 37 0.26 59 0 0 7 31 38 0 54 55.3 52 66 -15 7 28 8 7 35 8 7 25 15 7 38 0 0.26 60 0 0 7 35 37 0 54 59.1 53 66 -14 7 32 7 7 39 6 7 29 14 7 41 59 0.26 61 0 0 7 39 10 0 55 2.9 54 66 -13 7 35 40 7 42 40 7 32 48 7 45 32 0.26 62 0 0 7 42 18 0 55 6.8 55 65 -12 7 38 49 7 45 47 7 35 56 7 48 40 0.26 63 0 0 7 45 1 0 55 10.7 56 65 -11 7 41 31 7 48 30 7 38 39 7 51 22 0.26 64 0 0 7 47 18 0 55 14.6 57 65 -10 7 43 49 7 50 47 7 40 56 7 53 40 0.26 65 0 0 7 49 10 0 55 18.6 58 64 -9 7 45 40 7 52 39 7 42 48 7 55 31 0.26 66 0 0 7 50 36 0 55 22.6 59 64 -8 7 47 7 7 54 5 7 44 14 7 56 58 0.26 67 0 0 7 51 37 0 55 26.7 60 63 -7 7 48 8 7 55 6 7 45 15 7 57 59 0.26 68 0 0 7 52 12 0 55 30.8 61 62 -6 7 48 43 7 55 42 7 45 51 7 58 34 0.26 69 0 0 7 52 22 0 55 34.9 61 62 -5 7 48 53 7 55 52 7 46 1 7 58 44 0.26 70 0 0 7 52 7 0 55 39.1 62 61 -4 7 48 37 7 55 36 7 45 45 7 58 28 0.26 71 0 0 7 51 26 0 55 43.3 63 60 -3 7 47 56 7 54 55 7 45 4 7 57 47 0.26 72 0 0 7 50 19 0 55 47.6 64 59 -2 7 46 50 7 53 48 7 43 57 7 56 40 0.26 73 0 0 7 48 47 0 55 51.8 65 58 -1 7 45 17 7 52 16 7 42 25 7 55 8 0.26 74 0 0 7 46 49 0 55 56.1 66 57 0 7 43 19 7 50 18 7 40 27 7 53 11 0.26 75 0 0 7 44 26 0 56 0.5 67 56 1 7 40 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6 17 47 0 57 8.3 75 20 16 6 14 16 6 21 19 6 11 21 6 24 13 0.26 91 0 0 6 8 39 0 57 13.0 75 16 17 6 5 8 6 12 11 6 2 13 6 15 5 0.26 92 0 0 5 59 7 0 57 17.7 75 12 19 5 55 35 6 2 39 5 52 40 6 5 33 0.26 93 0 0 5 49 9 0 57 22.3 75 8 20 5 45 37 5 52 42 5 42 42 5 55 36 0.26 94 0 0 5 38 47 0 57 27.0 75 4 21 5 35 15 5 42 20 5 32 20 5 45 15 0.26 95 0 0 5 28 1 0 57 31.7 75 1 22 5 24 28 5 31 34 5 21 33 5 34 29 0.26 96 0 0 5 16 50 0 57 36.4 75 357 23 5 13 17 5 20 23 5 10 22 5 23 18 0.26 97 0 0 5 5 15 0 57 41.1 75 353 24 5 1 42 5 8 48 4 58 46 5 11 44 0.26 98 0 0 4 53 16 0 57 45.7 74 350 25 4 49 42 4 56 49 4 46 47 4 59 45 0.26 99 0 0 4 40 53 0 57 50.4 74 347 26 4 37 19 4 44 27 4 34 23 4 47 23 0.26 100 0 0 4 28 6 0 57 55.1 74 343 27 4 24 32 4 31 40 4 21 35 4 34 36 0.26 101 0 0 4 14 55 0 57 59.8 73 341 28 4 11 21 4 18 30 4 8 24 4 21 26 0.26 102 0 0 4 1 21 0 58 4.5 72 338 29 3 57 46 4 4 56 3 54 50 4 7 52 0.26 103 0 0 3 47 24 0 58 9.1 72 335 30 3 43 49 3 50 59 3 40 52 3 53 56 0.26 104 0 0 3 33 3 0 58 13.8 71 333 31 3 29 28 3 36 38 3 26 31 3 39 35 0.26 105 0 0 3 18 20 0 58 18.4 70 331 32 3 14 44 3 21 55 3 11 46 3 24 53 0.26 106 0 0 3 3 13 0 58 23.0 70 329 33 2 59 37 3 6 49 2 56 40 3 9 47 0.26 107 0 0 2 47 45 0 58 27.7 69 327 34 2 44 8 2 51 21 2 41 10 2 54 19 0.26 108 0 0 2 31 54 0 58 32.3 68 325 35 2 28 17 2 35 30 2 25 19 2 38 28 0.26 109 0 0 2 15 41 0 58 36.8 67 324 36 2 12 4 2 19 17 2 9 5 2 22 16 0.26 110 0 0 1 59 6 0 58 41.4 67 322 37 1 55 29 2 2 43 1 52 30 2 5 42 0.26 111 0 0 1 42 9 0 58 45.9 66 321 38 1 38 32 1 45 47 1 35 33 1 48 46 0.26 112 0 0 1 24 52 0 58 50.4 65 319 39 1 21 14 1 28 30 1 18 15 1 31 29 0.26 113 0 0 1 7 13 0 58 54.9 64 318 40 1 3 35 1 10 51 1 0 35 1 13 51 0.26 114 0 0 0 49 14 0 58 59.4 63 317 41 0 45 36 0 52 53 0 42 36 0 55 52 0.26 115 0 0 0 30 55 0 59 3.8 62 316 42 0 27 16 0 34 33 0 24 16 0 37 34 0.26 116 0 0 0 12 15 0 59 8.2 61 315 43 0 8 36 0 15 54 0 5 36 0 18 55 0.26 117 0 0 - 0 6 44 0 59 12.6 60 314 45 - 0 10 23 - 0 3 4 - 0 13 24 - 0 0 4 0.26 118 0 0 - 0 26 2 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44 2 - 4 36 35 - 4 47 6 - 4 33 31 0.26 131 0 0 - 5 3 9 1 0 9.1 46 306 59 - 5 6 52 - 4 59 25 - 5 9 57 - 4 56 21 0.26 132 0 0 - 5 26 12 1 0 12.7 45 306 60 - 5 29 56 - 5 22 28 - 5 33 0 - 5 19 23 0.26 133 0 0 - 5 49 27 1 0 16.3 44 306 61 - 5 53 12 - 5 45 43 - 5 56 16 - 5 42 38 0.26 134 0 0 - 6 12 54 1 0 19.8 43 305 62 - 6 16 39 - 6 9 10 - 6 19 44 - 6 6 5 0.26 135 0 0 - 6 36 33 1 0 23.2 42 305 63 - 6 40 18 - 6 32 48 - 6 43 23 - 6 29 43 0.25 136 0 0 - 7 0 22 1 0 26.6 41 304 64 - 7 4 7 - 6 56 37 - 7 7 12 - 6 53 32 0.25 137 0 0 - 7 24 21 1 0 29.9 40 304 65 - 7 28 6 - 7 20 36 - 7 31 12 - 7 17 30 0.25 138 0 0 - 7 48 29 1 0 33.1 39 304 66 - 7 52 15 - 7 44 44 - 7 55 21 - 7 41 38 0.25 139 0 0 - 8 12 47 1 0 36.2 38 304 67 - 8 16 32 - 8 9 1 - 8 19 38 - 8 5 55 0.25 140 0 0 - 8 37 12 1 0 39.3 37 303 68 - 8 40 58 - 8 33 26 - 8 44 4 - 8 30 20 0.25 141 0 0 - 9 1 45 1 0 42.3 36 303 69 - 9 5 31 - 8 57 59 - 9 8 37 - 8 54 53 0.25 142 0 0 - 9 26 25 1 0 45.2 35 303 70 - 9 30 11 - 9 22 39 - 9 33 18 - 9 19 32 0.25 143 0 0 - 9 51 11 1 0 48.0 34 302 71 - 9 54 57 - 9 47 24 - 9 58 4 - 9 44 18 0.25 144 0 0 -10 16 3 1 0 50.8 32 302 71 -10 19 49 -10 12 16 -10 22 56 -10 9 10 0.25 145 0 0 -10 40 59 1 0 53.5 31 302 72 -10 44 46 -10 37 13 -10 47 53 -10 34 6 0.25 146 0 0 -11 6 1 1 0 56.0 30 301 73 -11 9 47 -11 2 14 -11 12 54 -10 59 7 0.25 147 0 0 -11 31 5 1 0 58.5 29 301 74 -11 34 52 -11 27 18 -11 37 59 -11 24 12 0.25 148 0 0 -11 56 13 1 1 1.0 28 301 75 -12 0 0 -11 52 26 -12 3 7 -11 49 19 0.25 149 0 0 -12 21 23 1 1 3.3 27 301 75 -12 25 11 -12 17 36 -12 28 18 -12 14 29 0.25 150 0 0 -12 46 35 1 1 5.6 26 300 76 -12 50 23 -12 42 48 -12 53 30 -12 39 41 0.25 151 0 0 -13 11 48 1 1 7.7 25 300 76 -13 15 36 -13 8 1 -13 18 43 -13 4 54 0.25 152 0 0 -13 37 2 1 1 9.8 24 300 77 -13 40 49 -13 33 14 -13 43 57 -13 30 7 0.25 153 0 0 -14 2 15 1 1 11.8 23 299 77 -14 6 2 -13 58 27 -14 9 10 -13 55 20 0.25 154 0 0 -14 27 27 1 1 13.7 22 299 78 -14 31 15 -14 23 40 -14 34 22 -14 20 32 0.25 155 0 0 -14 52 38 1 1 15.5 21 299 78 -14 56 25 -14 48 50 -14 59 33 -14 45 43 0.25 156 0 0 -15 17 46 1 1 17.2 20 299 78 -15 21 34 -15 13 59 -15 24 41 -15 10 52 0.25 157 0 0 -15 42 52 1 1 18.8 19 298 78 -15 46 40 -15 39 5 -15 49 47 -15 35 58 0.25 158 0 0 -16 7 55 1 1 20.4 18 298 78 -16 11 42 -16 4 7 -16 14 50 -16 1 0 0.25 159 0 0 -16 32 53 1 1 21.8 17 298 78 -16 36 41 -16 29 6 -16 39 48 -16 25 58 0.25 160 0 0 -16 57 47 1 1 23.2 16 297 78 -17 1 34 -16 53 59 -17 4 42 -16 50 52 0.25 161 0 0 -17 22 35 1 1 24.4 14 297 77 -17 26 23 -17 18 48 -17 29 30 -17 15 41 0.25 162 0 0 -17 47 18 1 1 25.6 13 297 77 -17 51 5 -17 43 31 -17 54 12 -17 40 23 0.25 163 0 0 -18 11 54 1 1 26.7 12 296 77 -18 15 41 -18 8 7 -18 18 48 -18 5 0 0.25 164 0 0 -18 36 23 1 1 27.7 11 296 76 -18 40 10 -18 32 36 -18 43 17 -18 29 29 0.25 165 0 0 -19 0 45 1 1 28.6 10 296 76 -19 4 32 -18 56 58 -19 7 39 -18 53 51 0.25 166 0 0 -19 24 58 1 1 29.4 9 295 75 -19 28 45 -19 21 11 -19 31 52 -19 18 5 0.25 167 0 0 -19 49 3 1 1 30.2 8 295 74 -19 52 50 -19 45 16 -19 55 56 -19 42 10 0.25 168 0 0 -20 12 59 1 1 30.8 7 295 74 -20 16 45 -20 9 12 -20 19 52 -20 6 5 0.25 169 0 0 -20 36 44 1 1 31.4 6 294 73 -20 40 31 -20 32 58 -20 43 37 -20 29 52 0.25 170 0 0 -21 0 20 1 1 31.8 5 294 72 -21 4 6 -20 56 34 -21 7 13 -20 53 28 0.25 171 0 0 -21 23 45 1 1 32.2 4 294 71 -21 27 31 -21 19 59 -21 30 37 -21 16 53 0.25 172 0 0 -21 46 59 1 1 32.5 3 293 70 -21 50 45 -21 43 13 -21 53 51 -21 40 7 0.25 173 0 0 -22 10 1 1 1 32.8 2 293 70 -22 13 47 -22 6 15 -22 16 53 -22 3 9 0.25 174 0 0 -22 32 51 1 1 32.9 1 292 69 -22 36 37 -22 29 6 -22 39 42 -22 26 0 0.24 175 0 0 -22 55 29 1 1 32.9 0 292 68 -22 59 14 -22 51 43 -23 2 19 -22 48 38 0.21 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: UCAC4 552-042913 * constellation : Cancer * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 08 13 30.5070 DE: +20 16 43.385 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 08 13 30.5072 DE: +20 16 43.384 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 11.9 * B mag [mag]: 12.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4864) Nimoy asteroid class: approx. diameter [km]: 12 approx. diameter ["]: 0.006 distance from Earth [AU]: 2.81020 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#52 date of fit: 2023 Apr 25 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): 0.015", 0.002", 98.397° remarks: * orbital elements for (4864)Nimoy : Mean anomaly = 106.1135607197 deg Arg. of pericenter = 241.9270727741 deg Long. of node = 94.0917180070 deg Inclination = 3.6204543794 deg Eccentricity = 0.1776284006 Semimajor axis = 2.4688737278 AU Perihelion dist = 2.0303316363 AU Mag: H = 13.65, G = 0.15 Epoch of elements : MJD 60588.03982454 TDT (2024 Oct 05.0398) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#522023Apr25,0.51,2024,10,5,0.955785,-0.043679,-0.247862,13.614808,-2.370414,-0.005281,0.001210,-0.000001,0.000000 95.1967,20.2053,162.77,-4.86,False UCAC4 552-042913,8.22514079,20.2787182,12.22,11.90,11.73,0.0,0,,8.24897286,20.2052734,7.14,6.87,0,0,0 4864,Nimoy,19.04,12.445,2.8102,0,0,3.027,-7.42,,1.0,0 0,105.8494,2024,10,4,241.9271,94.0917,3.6205,0.17763,2.46887,2.03033,13.65,5.0,0.15 1.412,0.0147,0.0025,98,0.0025,Known errors,0.90,0,-1,-1 20241005_042913,60140.61 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 14:38 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org