IOTA/IOTA-ES occultation update for (238) Hypatia / TYC 186-02028-1 event on 2024 Dec 04, 22:19 UT Visible from Summary ------- On 2024 Dec 04 UT, the 153.742162133654 km diameter asteroid (238) Hypatia will occult a 9.4 mag star in the constellation Canis Minor for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 3.34 mag to 12.64 mag (the magnitude of the asteroid) for at most 22.540 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: 100 * date and approx. time of event: 2024 Dec 04, 22:03 - 2024 Dec 04, 22:34 * geocentric midpoint of event [JD]: 2460649.42987083 * magnitude of target star: 9.35 * magnitude drop [mag]: 3.34 * estimated maximum duration [s]: 22.540 * Moon: 13 % sunlit, 158° distance * Sun: 136° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 155 * 1 sigma uncertainty interval [path widths]: +/- 0.08 * 1 sigma uncertainty interval [seconds]: +/- 2.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.016, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.016", 0.003", 93°) * approx speed of asteroid's shadow [km/s]: 6.8463 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 186-02028-1 by 238 Hypatia on 2024 Dec 4 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 - 26 0 0 -32 44 20 22 34 26.0 0 85 -20 -32 2 9 -33 26 33 -31 55 36 -33 33 8 .... - 25 0 0 -32 39 37 22 34 25.8 1 84 -21 -31 57 25 -33 21 52 -31 50 51 -33 28 27 0.05 - 24 0 0 -32 34 31 22 34 25.4 2 84 -21 -31 52 16 -33 16 48 -31 45 42 -33 23 23 0.07 - 23 0 0 -32 29 0 22 34 24.8 3 83 -22 -31 46 44 -33 11 20 -31 40 10 -33 17 56 0.09 - 22 0 0 -32 23 6 22 34 24.0 4 83 -23 -31 40 48 -33 5 29 -31 34 13 -33 12 5 0.09 - 21 0 0 -32 16 49 22 34 23.0 5 82 -23 -31 34 27 -32 59 13 -31 27 52 -33 5 50 0.10 - 20 0 0 -32 10 7 22 34 21.7 6 82 -24 -31 27 43 -32 52 35 -31 21 8 -32 59 11 0.10 - 19 0 0 -32 3 2 22 34 20.3 6 81 -25 -31 20 35 -32 45 32 -31 13 59 -32 52 10 0.10 - 18 0 0 -31 55 33 22 34 18.7 7 81 -25 -31 13 4 -32 38 6 -31 6 27 -32 44 44 0.10 - 17 0 0 -31 47 41 22 34 16.8 8 80 -26 -31 5 8 -32 30 17 -30 58 31 -32 36 55 0.10 - 16 0 0 -31 39 25 22 34 14.7 9 80 -26 -30 56 49 -32 22 4 -30 50 12 -32 28 43 0.11 - 15 0 0 -31 30 45 22 34 12.5 10 79 -27 -30 48 6 -32 13 28 -30 41 28 -32 20 7 0.11 - 14 0 0 -31 21 42 22 34 10.0 11 79 -28 -30 39 0 -32 4 28 -30 32 21 -32 11 8 0.11 - 13 0 0 -31 12 15 22 34 7.3 12 78 -28 -30 29 30 -31 55 5 -30 22 50 -32 1 45 0.11 - 12 0 0 -31 2 25 22 34 4.4 12 78 -29 -30 19 36 -31 45 18 -30 12 56 -31 51 59 0.11 - 11 0 0 -30 52 12 22 34 1.2 13 77 -30 -30 9 19 -31 35 9 -30 2 38 -31 41 50 0.11 - 10 0 0 -30 41 35 22 33 57.9 14 77 -30 -29 58 38 -31 24 35 -29 51 57 -31 31 17 0.11 - 9 0 0 -30 30 34 22 33 54.3 15 76 -31 -29 47 34 -31 13 39 -29 40 52 -31 20 22 0.11 - 8 0 0 -30 19 11 22 33 50.6 16 75 -31 -29 36 6 -31 2 19 -29 29 24 -31 9 2 0.11 - 7 0 0 -30 7 24 22 33 46.6 17 75 -32 -29 24 15 -30 50 36 -29 17 32 -30 57 20 0.11 - 6 0 0 -29 55 14 22 33 42.4 18 75 -32 -29 12 1 -30 38 30 -29 5 17 -30 45 15 0.11 - 5 0 0 -29 42 40 22 33 37.9 18 74 -33 -28 59 23 -30 26 1 -28 52 39 -30 32 47 0.11 - 4 0 0 -29 29 44 22 33 33.3 19 74 -34 -28 46 22 -30 13 9 -28 39 38 -30 19 55 0.11 - 3 0 0 -29 16 24 22 33 28.4 20 73 -34 -28 32 59 -29 59 54 -28 26 13 -30 6 41 0.12 - 2 0 0 -29 2 42 22 33 23.3 21 73 -35 -28 19 12 -29 46 16 -28 12 26 -29 53 3 0.12 - 1 0 0 -28 48 37 22 33 18.0 22 72 -35 -28 5 2 -29 32 15 -27 58 15 -29 39 3 0.12 0 0 0 -28 34 8 22 33 12.4 23 72 -36 -27 50 29 -29 17 52 -27 43 42 -29 24 40 0.12 1 0 0 -28 19 18 22 33 6.6 24 71 -36 -27 35 34 -29 3 5 -27 28 46 -29 9 55 0.12 2 0 0 -28 4 4 22 33 0.6 25 71 -37 -27 20 16 -28 47 57 -27 13 27 -28 54 47 0.12 3 0 0 -27 48 28 22 32 54.4 26 70 -37 -27 4 35 -28 32 25 -26 57 46 -28 39 16 0.12 4 0 0 -27 32 30 22 32 47.9 26 70 -38 -26 48 32 -28 16 31 -26 41 42 -28 23 23 0.12 5 0 0 -27 16 9 22 32 41.2 27 69 -39 -26 32 7 -28 0 15 -26 25 16 -28 7 8 0.12 6 0 0 -26 59 26 22 32 34.3 28 69 -39 -26 15 19 -27 43 37 -26 8 27 -27 50 30 0.12 7 0 0 -26 42 21 22 32 27.2 29 68 -40 -25 58 9 -27 26 37 -25 51 17 -27 33 31 0.12 8 0 0 -26 24 54 22 32 19.8 30 68 -40 -25 40 38 -27 9 15 -25 33 44 -27 16 9 0.12 9 0 0 -26 7 5 22 32 12.1 31 67 -41 -25 22 44 -26 51 31 -25 15 50 -26 58 26 0.12 10 0 0 -25 48 55 22 32 4.3 32 67 -41 -25 4 29 -26 33 25 -24 57 35 -26 40 21 0.12 11 0 0 -25 30 23 22 31 56.2 33 66 -41 -24 45 53 -26 14 58 -24 38 57 -26 21 55 0.12 12 0 0 -25 11 30 22 31 47.9 34 66 -42 -24 26 55 -25 56 10 -24 19 59 -26 3 8 0.12 13 0 0 -24 52 16 22 31 39.3 35 66 -42 -24 7 36 -25 37 1 -24 0 40 -25 43 59 0.12 14 0 0 -24 32 42 22 31 30.5 36 65 -43 -23 47 57 -25 17 31 -23 40 59 -25 24 30 0.12 15 0 0 -24 12 46 22 31 21.5 37 65 -43 -23 27 57 -24 57 40 -23 20 58 -25 4 40 0.12 16 0 0 -23 52 30 22 31 12.2 38 64 -44 -23 7 36 -24 37 29 -23 0 37 -24 44 29 0.12 17 0 0 -23 31 54 22 31 2.7 38 64 -44 -22 46 56 -24 16 57 -22 39 56 -24 23 58 0.12 18 0 0 -23 10 58 22 30 53.0 39 63 -44 -22 25 55 -23 56 6 -22 18 55 -24 3 8 0.12 19 0 0 -22 49 42 22 30 43.0 40 63 -45 -22 4 35 -23 34 55 -21 57 34 -23 41 57 0.12 20 0 0 -22 28 7 22 30 32.9 41 62 -45 -21 42 56 -23 13 24 -21 35 54 -23 20 27 0.12 21 0 0 -22 6 13 22 30 22.4 42 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72 265 -30 6 39 1 5 7 52 6 46 5 5 0 45 0.10 85 0 0 6 18 21 22 14 12.7 71 264 -29 7 3 50 5 32 49 7 10 54 5 25 43 0.10 86 0 0 6 42 59 22 13 57.1 70 264 -29 7 28 23 5 57 30 7 35 27 5 50 25 0.10 87 0 0 7 7 21 22 13 41.6 69 263 -28 7 52 41 6 21 56 7 59 45 6 14 52 0.10 88 0 0 7 31 27 22 13 26.2 68 262 -27 8 16 43 6 46 6 8 23 46 6 39 3 0.10 89 0 0 7 55 16 22 13 11.0 67 262 -26 8 40 29 7 10 0 8 47 31 7 2 57 0.10 90 0 0 8 18 49 22 12 55.9 66 261 -26 9 3 57 7 33 37 9 10 58 7 26 34 0.10 91 0 0 8 42 4 22 12 41.0 65 261 -25 9 27 8 7 56 56 9 34 9 7 49 55 0.10 92 0 0 9 5 2 22 12 26.2 64 261 -24 9 50 2 8 19 58 9 57 2 8 12 57 0.10 93 0 0 9 27 42 22 12 11.5 63 260 -23 10 12 37 8 42 43 10 19 36 8 35 42 0.10 94 0 0 9 50 3 22 11 57.0 62 260 -23 10 34 54 9 5 8 10 41 53 8 58 9 0.10 95 0 0 10 12 6 22 11 42.7 61 260 -22 10 56 53 9 27 16 11 3 51 9 20 16 0.10 96 0 0 10 33 50 22 11 28.6 60 260 -21 11 18 32 9 49 4 11 25 29 9 42 5 0.10 97 0 0 10 55 14 22 11 14.6 59 260 -20 11 39 52 10 10 33 11 46 49 10 3 35 0.10 98 0 0 11 16 19 22 11 0.8 58 260 -20 12 0 53 10 31 42 12 7 49 10 24 45 0.10 99 0 0 11 37 4 22 10 47.1 57 259 -19 12 21 33 10 52 32 12 28 29 10 45 35 0.10 100 0 0 11 57 29 22 10 33.7 56 259 -18 12 41 54 11 13 1 12 48 48 11 6 5 0.10 101 0 0 12 17 34 22 10 20.4 55 259 -17 13 1 54 11 33 10 13 8 48 11 26 15 0.10 102 0 0 12 37 18 22 10 7.3 54 259 -17 13 21 33 11 52 58 13 28 26 11 46 4 0.10 103 0 0 12 56 40 22 9 54.4 53 259 -16 13 40 52 12 12 26 13 47 44 12 5 32 0.10 104 0 0 13 15 42 22 9 41.7 52 259 -15 13 59 49 12 31 32 14 6 41 12 24 39 0.10 105 0 0 13 34 23 22 9 29.1 51 259 -14 14 18 25 12 50 17 14 25 16 12 43 24 0.10 106 0 0 13 52 41 22 9 16.8 50 259 -14 14 36 39 13 8 40 14 43 30 13 1 48 0.10 107 0 0 14 10 38 22 9 4.7 50 260 -13 14 54 32 13 26 41 15 1 22 13 19 50 0.10 108 0 0 14 28 13 22 8 52.8 49 260 -12 15 12 2 13 44 20 15 18 51 13 37 30 0.10 109 0 0 14 45 26 22 8 41.0 48 260 -11 15 29 11 14 1 37 15 35 59 13 54 48 0.10 110 0 0 15 2 16 22 8 29.5 47 260 -11 15 45 57 14 18 32 15 52 45 14 11 43 0.10 111 0 0 15 18 44 22 8 18.2 46 260 -10 16 2 20 14 35 4 16 9 7 14 28 16 0.10 112 0 0 15 34 49 22 8 7.1 45 260 -9 16 18 21 14 51 13 16 25 8 14 44 26 0.10 113 0 0 15 50 31 22 7 56.2 44 260 -8 16 33 59 15 7 0 16 40 45 15 0 13 0.10 114 0 0 16 5 50 22 7 45.5 43 261 -8 16 49 14 15 22 23 16 55 59 15 15 37 0.10 115 0 0 16 20 46 22 7 35.0 42 261 -7 17 4 6 15 37 23 17 10 51 15 30 37 0.10 116 0 0 16 35 19 22 7 24.7 41 261 -6 17 18 35 15 52 0 17 25 19 15 45 15 0.10 117 0 0 16 49 28 22 7 14.7 40 261 -5 17 32 40 16 6 13 17 39 24 15 59 28 0.10 118 0 0 17 3 14 22 7 4.8 39 261 -4 17 46 22 16 20 2 17 53 5 16 13 19 0.10 119 0 0 17 16 36 22 6 55.2 38 262 -4 17 59 40 16 33 28 18 6 22 16 26 45 0.10 120 0 0 17 29 34 22 6 45.8 37 262 -3 18 12 35 16 46 30 18 19 16 16 39 47 0.10 121 0 0 17 42 8 22 6 36.6 36 262 -2 18 25 5 16 59 8 18 31 46 16 52 26 0.10 122 0 0 17 54 18 22 6 27.6 35 262 -1 18 37 12 17 11 21 18 43 52 17 4 40 0.10 123 0 0 18 6 4 22 6 18.9 34 262 -1 18 48 55 17 23 11 18 55 34 17 16 30 0.10 124 0 0 18 17 26 22 6 10.3 33 263 0 19 0 13 17 34 36 19 6 52 17 27 55 0.10 125 0 0 18 28 24 22 6 2.0 33 263 1 19 11 7 17 45 37 19 17 46 17 38 57 0.10 126 0 0 18 38 57 22 5 53.9 32 263 2 19 21 37 17 56 13 19 28 15 17 49 33 0.10 127 0 0 18 49 5 22 5 46.0 31 263 2 19 31 43 18 6 24 19 38 20 17 59 46 0.10 128 0 0 18 58 49 22 5 38.4 30 264 3 19 41 24 18 16 11 19 48 1 18 9 33 0.10 129 0 0 19 8 8 22 5 30.9 29 264 4 19 50 40 18 25 33 19 57 17 18 18 56 0.10 130 0 0 19 17 3 22 5 23.7 28 264 5 19 59 32 18 34 31 20 6 8 18 27 53 0.10 131 0 0 19 25 33 22 5 16.8 27 265 5 20 7 59 18 43 3 20 14 35 18 36 26 0.10 132 0 0 19 33 38 22 5 10.0 26 265 6 20 16 2 18 51 11 20 22 37 18 44 34 0.10 133 0 0 19 41 18 22 5 3.5 25 265 7 20 23 39 18 58 53 20 30 14 18 52 16 0.10 134 0 0 19 48 32 22 4 57.2 24 266 8 20 30 52 19 6 10 20 37 27 18 59 34 0.10 135 0 0 19 55 22 22 4 51.1 23 266 8 20 37 39 19 13 2 20 44 14 19 6 26 0.10 136 0 0 20 1 47 22 4 45.2 22 266 9 20 44 2 19 19 28 20 50 36 19 12 53 0.11 137 0 0 20 7 46 22 4 39.6 21 266 10 20 49 59 19 25 30 20 56 33 19 18 54 0.11 138 0 0 20 13 20 22 4 34.2 20 267 11 20 55 31 19 31 5 21 2 5 19 24 30 0.11 139 0 0 20 18 29 22 4 29.1 20 267 12 21 0 38 19 36 15 21 7 12 19 29 41 0.11 140 0 0 20 23 12 22 4 24.1 19 267 12 21 5 20 19 41 0 21 11 53 19 34 26 0.11 141 0 0 20 27 29 22 4 19.4 18 268 13 21 9 36 19 45 19 21 16 9 19 38 45 0.11 142 0 0 20 31 21 22 4 14.9 17 268 14 21 13 27 19 49 12 21 20 0 19 42 38 0.11 143 0 0 20 34 48 22 4 10.7 16 268 15 21 16 52 19 52 40 21 23 25 19 46 6 0.11 144 0 0 20 37 48 22 4 6.7 15 269 15 21 19 52 19 55 41 21 26 24 19 49 7 0.11 145 0 0 20 40 23 22 4 2.9 14 269 16 21 22 26 19 58 17 21 28 58 19 51 43 0.11 146 0 0 20 42 32 22 3 59.4 13 269 17 21 24 34 20 0 26 21 31 6 19 53 53 0.11 147 0 0 20 44 15 22 3 56.1 12 270 18 21 26 16 20 2 9 21 32 49 19 55 36 0.11 148 0 0 20 45 31 22 3 53.0 11 270 18 21 27 33 20 3 27 21 34 5 19 56 53 0.11 149 0 0 20 46 22 22 3 50.1 10 270 19 21 28 24 20 4 17 21 34 56 19 57 44 0.11 150 0 0 20 46 47 22 3 47.5 9 271 20 21 28 48 20 4 42 21 35 20 19 58 9 0.11 151 0 0 20 46 45 22 3 45.2 8 271 21 21 28 47 20 4 40 21 35 19 19 58 7 0.11 152 0 0 20 46 17 22 3 43.1 8 272 21 21 28 19 20 4 12 21 34 51 19 57 38 0.11 153 0 0 20 45 23 22 3 41.2 7 272 22 21 27 25 20 3 17 21 33 57 19 56 43 0.12 154 0 0 20 44 2 22 3 39.5 6 272 23 21 26 4 20 1 55 21 32 37 19 55 22 0.12 155 0 0 20 42 14 22 3 38.2 5 273 24 21 24 18 20 0 7 21 30 50 19 53 33 0.12 156 0 0 20 40 0 22 3 37.0 4 273 24 21 22 4 19 57 52 21 28 37 19 51 18 0.12 157 0 0 20 37 19 22 3 36.1 3 273 25 21 19 24 19 55 10 21 25 57 19 48 36 0.12 158 0 0 20 34 11 22 3 35.4 2 274 26 21 16 18 19 52 0 21 22 51 19 45 26 0.13 159 0 0 20 30 36 22 3 35.0 1 274 27 21 12 44 19 48 24 21 19 17 19 41 50 0.14 160 0 0 20 26 34 22 3 34.9 0 274 27 21 8 44 19 44 21 21 15 17 19 37 46 0.38 Uncertainty in time = +/- 3 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 186-02028-1 * constellation : Canis Minor * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 07 33 27.4290 DE: +04 08 12.085 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 07 33 27.4290 DE: +04 08 12.084 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.300,0.200) * V mag [mag]: 9.4 * B mag [mag]: 10.7 * Diameter [mas]: 0.40 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (238) Hypatia asteroid class: approx. diameter [km]: 154 approx. diameter ["]: 0.106 distance from Earth [AU]: 1.99180 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#103 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): 0.016", 0.003", 93.256° remarks: * orbital elements for (238)Hypatia : Mean anomaly = 57.4837671128 deg Arg. of pericenter = 209.7280181688 deg Long. of node = 183.7864034492 deg Inclination = 12.4026174264 deg Eccentricity = 0.0918337048 Semimajor axis = 2.9073484606 AU Perihelion dist = 2.6403558803 AU Mag: H = 8.11, G = 0.15 Epoch of elements : MJD 60648.92987162 TDT (2024 Dec 04.9299) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1032022Nov26,22.54,2024,12,4,22.316900,0.048086,-0.096213,-3.457403,-1.725886,-0.003652,0.001974,0.000001,0.000000 64.7259,4.0839,-157.11,-22.39,False TYC 186-02028-1,7.55761917,4.1366902,10.74,9.35,8.60,0.4,4,,7.57979770,4.0839204,3.34,3.63,0,0,0 238,Hypatia,12.64,154.320,1.9918,0,0,-1.020,-7.62,,7.6,0 0,57.2989,2024,12,4,209.7280,183.7864,12.4026,0.09183,2.90735,2.64036,8.11,5.0,0.15 1.078,0.0160,0.0028,93,0.0083,Known errors,1.11,0,-1,-1 20241204_2028-1,60140.73 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:26 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org