IOTA/IOTA-ES occultation update for (4060) Deipylos / TYC 232-01546-1 event on 2024 Oct 24, 17:25 UT Visible from Summary ------- On 2024 Oct 24 UT, the 82.758 km diameter asteroid (4060) Deipylos will occult a 10.0 mag star in the constellation Hydra for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.75 mag to 16.70 mag (the magnitude of the asteroid) for at most 3.820 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: 98 * date and approx. time of event: 2024 Oct 24, 17:21 - 2024 Oct 24, 17:29 * geocentric midpoint of event [JD]: 2460608.22580942 * magnitude of target star: 9.95 * magnitude drop [mag]: 6.75 * estimated maximum duration [s]: 3.820 * Moon: 46 % sunlit, 18° distance * Sun: 76° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 107 * 1 sigma uncertainty interval [path widths]: +/- 0.35 * 1 sigma uncertainty interval [seconds]: +/- 3.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.027, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.027", 0.002", 94°) * approx speed of asteroid's shadow [km/s]: 21.6469 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 232-01546-1 by 4060 Deipylos on 2024 Oct 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 114 0 0 -17 7 39 17 21 22.7 1 84 -56 -17 36 52 -16 38 39 -17 57 15 -16 18 38 .... 115 0 0 -17 2 46 17 21 22.8 2 84 -55 -17 31 57 -16 33 46 -17 52 19 -16 13 47 0.55 116 0 0 -16 58 22 17 21 23.0 3 84 -55 -17 27 33 -16 29 23 -17 47 54 -16 9 24 0.65 117 0 0 -16 54 28 17 21 23.4 4 83 -54 -17 23 38 -16 25 30 -17 43 59 -16 5 32 0.70 118 0 0 -16 51 4 17 21 23.8 5 83 -54 -17 20 14 -16 22 7 -17 40 34 -16 2 9 0.72 119 0 0 -16 48 11 17 21 24.4 5 83 -53 -17 17 19 -16 19 14 -17 37 39 -15 59 17 0.74 120 0 0 -16 45 47 17 21 25.0 6 83 -52 -17 14 55 -16 16 51 -17 35 15 -15 56 54 0.75 121 0 0 -16 43 54 17 21 25.8 7 82 -52 -17 13 2 -16 14 58 -17 33 22 -15 55 1 0.76 122 0 0 -16 42 32 17 21 26.7 8 82 -51 -17 11 39 -16 13 36 -17 31 59 -15 53 39 0.77 123 0 0 -16 41 39 17 21 27.7 9 82 -51 -17 10 47 -16 12 44 -17 31 6 -15 52 47 0.78 124 0 0 -16 41 18 17 21 28.8 10 81 -50 -17 10 25 -16 12 22 -17 30 45 -15 52 25 0.78 125 0 0 -16 41 26 17 21 30.0 11 81 -49 -17 10 34 -16 12 30 -17 30 54 -15 52 33 0.78 126 0 0 -16 42 6 17 21 31.2 12 81 -48 -17 11 14 -16 13 9 -17 31 34 -15 53 12 0.79 127 0 0 -16 43 16 17 21 32.6 13 80 -48 -17 12 24 -16 14 19 -17 32 45 -15 54 21 0.79 128 0 0 -16 44 56 17 21 34.2 14 80 -47 -17 14 6 -16 15 59 -17 34 26 -15 56 1 0.79 129 0 0 -16 47 8 17 21 35.8 15 80 -46 -17 16 18 -16 18 9 -17 36 39 -15 58 11 0.79 130 0 0 -16 49 49 17 21 37.5 16 79 -45 -17 19 1 -16 20 50 -17 39 22 -16 0 51 0.80 131 0 0 -16 53 2 17 21 39.3 17 79 -45 -17 22 14 -16 24 2 -17 42 37 -16 4 2 0.80 132 0 0 -16 56 45 17 21 41.2 18 79 -44 -17 25 58 -16 27 44 -17 46 22 -16 7 43 0.80 133 0 0 -17 0 59 17 21 43.2 19 78 -43 -17 30 14 -16 31 56 -17 50 38 -16 11 55 0.80 134 0 0 -17 5 43 17 21 45.3 20 78 -42 -17 34 59 -16 36 39 -17 55 25 -16 16 37 0.80 135 0 0 -17 10 58 17 21 47.6 21 77 -41 -17 40 16 -16 41 53 -18 0 42 -16 21 49 0.80 136 0 0 -17 16 44 17 21 49.9 22 77 -40 -17 46 3 -16 47 37 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8 0.81 149 0 0 -19 17 25 17 22 28.5 33 70 -29 -19 47 18 -18 47 45 -20 8 10 -18 27 18 0.82 150 0 0 -19 30 10 17 22 32.1 34 69 -28 -20 0 7 -19 0 27 -20 21 0 -18 39 57 0.82 151 0 0 -19 43 24 17 22 35.8 35 69 -27 -20 13 24 -19 13 37 -20 34 20 -18 53 5 0.82 152 0 0 -19 57 6 17 22 39.5 35 68 -26 -20 27 10 -19 27 15 -20 48 9 -19 6 41 0.82 153 0 0 -20 11 17 17 22 43.3 36 67 -25 -20 41 24 -19 41 23 -21 2 26 -19 20 46 0.82 154 0 0 -20 25 56 17 22 47.2 37 66 -24 -20 56 7 -19 55 58 -21 17 11 -19 35 18 0.82 155 0 0 -20 41 3 17 22 51.2 38 66 -23 -21 11 18 -20 11 1 -21 32 25 -19 50 19 0.82 156 0 0 -20 56 37 17 22 55.3 38 65 -22 -21 26 56 -20 26 32 -21 48 6 -20 5 47 0.82 157 0 0 -21 12 39 17 22 59.4 39 64 -21 -21 43 3 -20 42 30 -22 4 15 -20 21 42 0.82 158 0 0 -21 29 9 17 23 3.6 40 63 -20 -21 59 36 -20 58 55 -22 20 52 -20 38 4 0.82 159 0 0 -21 46 4 17 23 7.8 41 62 -19 -22 16 36 -21 15 46 -22 37 55 -20 54 53 0.82 160 0 0 -22 3 27 17 23 12.1 41 61 -18 -22 34 3 -21 33 5 -22 55 25 -21 12 9 0.82 161 0 0 -22 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23 -32 14 0 -30 24 8 0.82 -174 0 0 -31 44 33 17 25 17.8 51 24 7 -32 17 12 -31 12 11 -32 40 1 -30 49 54 0.82 -173 0 0 -32 10 36 17 25 22.8 51 22 8 -32 43 19 -31 38 10 -33 6 11 -31 15 50 0.82 -172 0 0 -32 36 49 17 25 27.7 50 20 9 -33 9 36 -32 4 19 -33 32 31 -31 41 56 0.82 -171 0 0 -33 3 10 17 25 32.6 50 18 10 -33 36 2 -32 30 36 -33 58 59 -32 8 11 0.82 -170 0 0 -33 29 40 17 25 37.6 50 17 11 -34 2 35 -32 57 2 -34 25 35 -32 34 34 0.82 -169 0 0 -33 56 16 17 25 42.4 50 15 12 -34 29 15 -33 23 35 -34 52 18 -33 1 4 0.82 -168 0 0 -34 22 59 17 25 47.3 50 13 13 -34 56 1 -33 50 14 -35 19 7 -33 27 40 0.82 -167 0 0 -34 49 47 17 25 52.1 49 12 14 -35 22 53 -34 16 58 -35 46 1 -33 54 23 0.82 -166 0 0 -35 16 39 17 25 56.9 49 10 15 -35 49 48 -34 43 47 -36 12 59 -34 21 10 0.82 -165 0 0 -35 43 35 17 26 1.6 49 8 15 -36 16 48 -35 10 40 -36 40 0 -34 48 0 0.82 -164 0 0 -36 10 34 17 26 6.3 49 7 16 -36 43 49 -35 37 36 -37 7 4 -35 14 54 0.82 -163 0 0 -36 37 34 17 26 11.0 48 5 17 -37 10 53 -36 4 33 -37 34 9 -35 41 50 0.82 -162 0 0 -37 4 35 17 26 15.6 48 4 18 -37 37 57 -36 31 32 -38 1 15 -36 8 47 0.82 -161 0 0 -37 31 37 17 26 20.1 47 2 19 -38 5 1 -36 58 31 -38 28 21 -36 35 44 0.82 -160 0 0 -37 58 38 17 26 24.6 47 1 20 -38 32 4 -37 25 30 -38 55 26 -37 2 41 0.82 -159 0 0 -38 25 37 17 26 29.1 46 359 20 -38 59 5 -37 52 27 -39 22 29 -37 29 36 0.82 -158 0 0 -38 52 33 17 26 33.5 46 358 21 -39 26 4 -38 19 21 -39 49 29 -37 56 30 0.82 -157 0 0 -39 19 27 17 26 37.8 46 356 22 -39 52 59 -38 46 13 -40 16 25 -38 23 20 0.82 -156 0 0 -39 46 16 17 26 42.1 45 355 23 -40 19 49 -39 13 0 -40 43 17 -38 50 7 0.82 -155 0 0 -40 13 0 17 26 46.3 44 353 23 -40 46 35 -39 39 43 -41 10 4 -39 16 49 0.82 -154 0 0 -40 39 39 17 26 50.4 44 352 24 -41 13 15 -40 6 21 -41 36 44 -39 43 26 0.82 -153 0 0 -41 6 11 17 26 54.5 43 351 25 -41 39 48 -40 32 52 -42 3 18 -40 9 56 0.82 -152 0 0 -41 32 35 17 26 58.5 43 349 26 -42 6 13 -40 59 16 -42 29 44 -40 36 19 0.82 -151 0 0 -41 58 52 17 27 2.5 42 348 26 -42 32 30 -41 25 32 -42 56 1 -41 2 35 0.82 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0 -55 16 28 17 28 37.4 19 311 42 -55 48 21 -54 44 51 -56 10 38 -54 23 4 0.82 -113 0 0 -55 32 6 17 28 38.7 18 310 42 -56 3 55 -55 0 34 -56 26 8 -54 38 50 0.82 -112 0 0 -55 47 25 17 28 40.0 17 309 42 -56 19 8 -55 15 57 -56 41 18 -54 54 16 0.82 -111 0 0 -56 2 23 17 28 41.2 17 308 42 -56 34 2 -55 31 0 -56 56 8 -55 9 23 0.82 -110 0 0 -56 17 2 17 28 42.3 16 307 42 -56 48 35 -55 45 44 -57 10 38 -55 24 10 0.82 -109 0 0 -56 31 21 17 28 43.5 16 306 42 -57 2 50 -56 0 7 -57 24 49 -55 38 37 0.82 -108 0 0 -56 45 21 17 28 44.5 15 305 42 -57 16 44 -56 14 12 -57 38 40 -55 52 44 0.82 -107 0 0 -56 59 1 17 28 45.5 15 304 42 -57 30 20 -56 27 57 -57 52 12 -56 6 33 0.82 -106 0 0 -57 12 22 17 28 46.5 14 304 42 -57 43 36 -56 41 23 -58 5 25 -56 20 2 0.82 -105 0 0 -57 25 24 17 28 47.4 13 303 42 -57 56 33 -56 54 29 -58 18 18 -56 33 11 0.82 -104 0 0 -57 38 6 17 28 48.3 13 302 43 -58 9 11 -57 7 16 -58 30 53 -56 46 2 0.82 -103 0 0 -57 50 30 17 28 49.1 12 301 43 -58 21 30 -57 19 45 -58 43 8 -56 58 33 0.82 -102 0 0 -58 2 35 17 28 49.9 12 300 43 -58 33 30 -57 31 54 -58 55 5 -57 10 46 0.83 -101 0 0 -58 14 21 17 28 50.6 11 299 43 -58 45 11 -57 43 45 -59 6 43 -57 22 40 0.83 -100 0 0 -58 25 48 17 28 51.3 11 298 43 -58 56 34 -57 55 17 -59 18 3 -57 34 15 0.83 - 99 0 0 -58 36 57 17 28 52.0 10 298 43 -59 7 39 -58 6 30 -59 29 4 -57 45 31 0.83 - 98 0 0 -58 47 48 17 28 52.6 9 297 42 -59 18 25 -58 17 26 -59 39 47 -57 56 29 0.83 - 97 0 0 -58 58 21 17 28 53.2 9 296 42 -59 28 53 -58 28 3 -59 50 12 -58 7 9 0.83 - 96 0 0 -59 8 35 17 28 53.7 8 295 42 -59 39 3 -58 38 21 -60 0 19 -58 17 31 0.83 - 95 0 0 -59 18 32 17 28 54.2 8 294 42 -59 48 56 -58 48 22 -60 10 9 -58 27 35 0.83 - 94 0 0 -59 28 11 17 28 54.7 7 293 42 -59 58 30 -58 58 5 -60 19 41 -58 37 21 0.83 - 93 0 0 -59 37 32 17 28 55.1 7 292 42 -60 7 48 -59 7 31 -60 28 55 -58 46 49 0.83 - 92 0 0 -59 46 36 17 28 55.5 6 291 42 -60 16 47 -59 16 38 -60 37 52 -58 55 59 0.84 - 91 0 0 -59 55 23 17 28 55.9 6 291 42 -60 25 30 -59 25 29 -60 46 31 -59 4 52 0.84 - 90 0 0 -60 3 52 17 28 56.2 5 290 42 -60 33 55 -59 34 2 -60 54 54 -59 13 28 0.84 - 89 0 0 -60 12 4 17 28 56.5 5 289 42 -60 42 4 -59 42 18 -61 3 0 -59 21 46 0.84 - 88 0 0 -60 19 59 17 28 56.8 4 288 42 -60 49 55 -59 50 17 -61 10 49 -59 29 48 0.85 - 87 0 0 -60 27 38 17 28 57.0 4 287 42 -60 57 30 -59 57 59 -61 18 21 -59 37 32 0.85 - 86 0 0 -60 35 0 17 28 57.2 3 286 42 -61 4 48 -60 5 24 -61 25 37 -59 45 0 0.86 - 85 0 0 -60 42 5 17 28 57.4 3 285 41 -61 11 50 -60 12 32 -61 32 36 -59 52 10 0.86 - 84 0 0 -60 48 54 17 28 57.5 2 285 41 -61 18 36 -60 19 24 -61 39 20 -59 59 5 0.88 - 83 0 0 -60 55 26 17 28 57.6 2 284 41 -61 25 5 -60 26 0 -61 45 47 -60 5 42 0.90 - 82 0 0 -61 1 42 17 28 57.7 1 283 41 -61 31 18 -60 32 19 -61 51 58 -60 12 4 0.93 - 81 0 0 -61 7 43 17 28 57.7 1 282 41 -61 37 16 -60 38 22 -61 57 53 -60 18 9 1.02 - 80 0 0 -61 13 27 17 28 57.8 0 281 41 -61 42 57 -60 44 9 .. .. .. -60 23 57 1.73 Uncertainty in time = +/- 4 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 232-01546-1 * constellation : Hydra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 09 01 11.9520 DE: +05 17 31.985 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 09 01 11.9524 DE: +05 17 31.984 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.0 * B mag [mag]: 10.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4060) Deipylos asteroid class: approx. diameter [km]: 83 approx. diameter ["]: 0.025 distance from Earth [AU]: 4.55480 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#92 date of fit: 2023 Apr 27 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): 0.027", 0.002", 93.776° remarks: * orbital elements for (4060)Deipylos : Mean anomaly = 3.6572242979 deg Arg. of pericenter = 308.9596193016 deg Long. of node = 168.1482674782 deg Inclination = 16.1662610370 deg Eccentricity = 0.1554116301 Semimajor axis = 5.2225758322 AU Perihelion dist = 4.4109268089 AU Mag: H = 9.44, G = 0.15 Epoch of elements : MJD 60607.72580909 TDT (2024 Oct 24.7258) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#922023Apr27,3.82,2024,10,24,17.419426,-0.240613,-0.585472,11.318116,-4.602410,-0.005658,0.001394,0.000000,0.000000 -159.2709,5.1972,-85.27,-12.10,False TYC 232-01546-1,9.01998664,5.2922181,10.20,9.95,9.82,0.0,0,,9.04167562,5.1971811,6.76,6.44,0,0,0 4060,Deipylos,16.70,82.758,4.5548,0,0,1.463,-8.89,,5.4,0 0,3.5973,2024,10,24,308.9596,168.1483,16.1663,0.15541,5.22258,4.41093,9.44,5.0,0.15 1.347,0.0267,0.0024,94,0.0087,Known errors,0.95,0,-1,-1 20241024_1546-1,60140.66 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 15:45 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org