IOTA/IOTA-ES occultation update for (159) Aemilia / TYC 1297-01190-1 event on 2023 Dec 02, 13:30 UT Visible from Australia Summary ------- On 2023 Dec 02 UT, the 129.5 km diameter asteroid (159) Aemilia will occult a 9.1 mag star in the constellation Taurus for observers along a path across Australia. In the case of an occultation, the combined light of the asteroid and the star will drop by 3.36 mag to 12.41 mag (the magnitude of the asteroid) for at most 11.860 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: 2023 Dec 02, 13:23 - 2023 Dec 02, 13:38 * geocentric midpoint of event [JD]: 2460281.06301979 * magnitude of target star: 9.10 * magnitude drop [mag]: 3.36 * estimated maximum duration [s]: 11.860 * Moon: 75 % sunlit, 48° distance * Sun: 164° distance * rough path description: Australia The occultation path -------------------- * approximate projected width [km]: 171 * 1 sigma uncertainty interval [path widths]: +/- 0.03 * 1 sigma uncertainty interval [seconds]: +/- 2.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.024, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.024", 0.001", 84°) * approx speed of asteroid's shadow [km/s]: 10.9191 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1297-01190-1 by 159 Aemilia on 2023 Dec 2 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 92 0 0 -39 29 11 13 38 6.8 0 69 -6 -38 39 40 .. .. .. -38 37 10 .. .. .. .... 93 0 0 -39 11 44 13 38 6.7 1 69 -7 -38 22 15 -40 1 53 -38 19 46 -40 4 26 0.35 94 0 0 -38 54 18 13 38 6.5 2 68 -8 -38 4 51 -39 44 26 -38 2 22 -39 46 59 0.59 95 0 0 -38 36 54 13 38 6.1 3 67 -9 -37 47 29 -39 26 59 -37 45 0 -39 29 33 0.68 96 0 0 -38 19 32 13 38 5.5 3 67 -10 -37 30 9 -39 9 35 -37 27 40 -39 12 8 0.73 97 0 0 -38 2 13 13 38 4.7 4 66 -10 -37 12 52 -38 52 13 -37 10 23 -38 54 46 0.76 98 0 0 -37 44 56 13 38 3.8 5 66 -11 -36 55 37 -38 34 54 -36 53 8 -38 37 27 0.78 99 0 0 -37 27 42 13 38 2.7 6 65 -12 -36 38 26 -38 17 38 -36 35 57 -38 20 10 0.79 100 0 0 -37 10 32 13 38 1.5 7 64 -13 -36 21 18 -38 0 25 -36 18 50 -38 2 58 0.80 101 0 0 -36 53 26 13 38 0.0 8 64 -14 -36 4 15 -37 43 17 -36 1 47 -37 45 49 0.81 102 0 0 -36 36 25 13 37 58.5 8 63 -14 -35 47 17 -37 26 12 -35 44 49 -37 28 45 0.82 103 0 0 -36 19 29 13 37 56.7 9 63 -15 -35 30 23 -37 9 13 -35 27 55 -37 11 45 0.82 104 0 0 -36 2 38 13 37 54.8 10 62 -16 -35 13 35 -36 52 19 -35 11 7 -36 54 51 0.83 105 0 0 -35 45 52 13 37 52.7 11 61 -17 -34 56 53 -36 35 30 -34 54 25 -36 38 2 0.83 106 0 0 -35 29 13 13 37 50.4 12 61 -18 -34 40 17 -36 18 48 -34 37 49 -36 21 20 0.83 107 0 0 -35 12 40 13 37 48.0 13 60 -18 -34 23 47 -36 2 12 -34 21 20 -36 4 43 0.84 108 0 0 -34 56 15 13 37 45.4 14 60 -19 -34 7 25 -35 45 43 -34 4 57 -35 48 14 0.84 109 0 0 -34 39 56 13 37 42.6 14 59 -20 -33 51 10 -35 29 21 -33 48 43 -35 31 52 0.84 110 0 0 -34 23 46 13 37 39.7 15 58 -21 -33 35 2 -35 13 7 -33 32 35 -35 15 38 0.84 111 0 0 -34 7 43 13 37 36.6 16 58 -21 -33 19 3 -34 57 1 -33 16 36 -34 59 32 0.84 112 0 0 -33 51 49 13 37 33.3 17 57 -22 -33 3 13 -34 41 3 -33 0 46 -34 43 34 0.85 113 0 0 -33 36 4 13 37 29.9 18 57 -23 -32 47 31 -34 25 14 -32 45 5 -34 27 45 0.85 114 0 0 -33 20 28 13 37 26.3 19 56 -23 -32 31 58 -34 9 35 -32 29 32 -34 12 5 0.85 115 0 0 -33 5 1 13 37 22.5 19 55 -24 -32 16 36 -33 54 5 -32 14 10 -33 56 34 0.85 116 0 0 -32 49 45 13 37 18.6 20 55 -25 -32 1 23 -33 38 44 -31 58 57 -33 41 14 0.85 117 0 0 -32 34 39 13 37 14.5 21 54 -26 -31 46 20 -33 23 34 -31 43 54 -33 26 4 0.85 118 0 0 -32 19 43 13 37 10.2 22 53 -26 -31 31 28 -33 8 35 -31 29 3 -33 11 4 0.85 119 0 0 -32 4 58 13 37 5.8 23 53 -27 -31 16 47 -32 53 47 -31 14 22 -32 56 16 0.85 120 0 0 -31 50 25 13 37 1.3 23 52 -28 -31 2 18 -32 39 9 -30 59 53 -32 41 38 0.85 121 0 0 -31 36 3 13 36 56.6 24 51 -28 -30 48 0 -32 24 44 -30 45 35 -32 27 12 0.85 122 0 0 -31 21 53 13 36 51.7 25 51 -29 -30 33 53 -32 10 30 -30 31 29 -32 12 59 0.85 123 0 0 -31 7 56 13 36 46.7 26 50 -30 -30 19 59 -31 56 29 -30 17 35 -31 58 57 0.86 124 0 0 -30 54 11 13 36 41.5 27 49 -30 -30 6 18 -31 42 40 -30 3 54 -31 45 8 0.86 125 0 0 -30 40 38 13 36 36.2 27 49 -31 -29 52 49 -31 29 3 -29 50 25 -31 31 31 0.86 126 0 0 -30 27 19 13 36 30.7 28 48 -32 -29 39 34 -31 15 40 -29 37 10 -31 18 8 0.86 127 0 0 -30 14 13 13 36 25.1 29 47 -32 -29 26 31 -31 2 31 -29 24 8 -31 4 58 0.86 128 0 0 -30 1 21 13 36 19.4 30 47 -33 -29 13 43 -30 49 35 -29 11 19 -30 52 2 0.86 129 0 0 -29 48 42 13 36 13.5 30 46 -33 -29 1 8 -30 36 52 -28 58 44 -30 39 19 0.86 130 0 0 -29 36 18 13 36 7.5 31 45 -34 -28 48 47 -30 24 24 -28 46 24 -30 26 51 0.86 131 0 0 -29 24 8 13 36 1.4 32 44 -34 -28 36 40 -30 12 10 -28 34 17 -30 14 37 0.86 132 0 0 -29 12 12 13 35 55.1 33 44 -35 -28 24 48 -30 0 11 -28 22 26 -30 2 38 0.86 133 0 0 -29 0 32 13 35 48.7 33 43 -35 -28 13 11 -29 48 27 -28 10 49 -29 50 54 0.86 134 0 0 -28 49 6 13 35 42.2 34 42 -36 -28 1 49 -29 36 58 -27 59 27 -29 39 24 0.86 135 0 0 -28 37 56 13 35 35.5 35 41 -36 -27 50 42 -29 25 45 -27 48 20 -29 28 11 0.86 136 0 0 -28 27 1 13 35 28.8 36 40 -37 -27 39 51 -29 14 46 -27 37 29 -29 17 12 0.86 137 0 0 -28 16 22 13 35 21.9 36 39 -37 -27 29 15 -29 4 4 -27 26 53 -29 6 30 0.86 138 0 0 -28 5 59 13 35 14.9 37 39 -38 -27 18 55 -28 53 37 -27 16 33 -28 56 3 0.86 139 0 0 -27 55 52 13 35 7.8 38 38 -38 -27 8 51 -28 43 27 -27 6 29 -28 45 52 0.86 140 0 0 -27 46 1 13 35 0.6 38 37 -39 -26 59 3 -28 33 33 -26 56 42 -28 35 58 0.86 141 0 0 -27 36 27 13 34 53.2 39 36 -39 -26 49 32 -28 23 56 -26 47 10 -28 26 21 0.86 142 0 0 -27 27 9 13 34 45.8 39 35 -39 -26 40 17 -28 14 35 -26 37 56 -28 17 0 0.86 143 0 0 -27 18 8 13 34 38.3 40 34 -40 -26 31 19 -28 5 31 -26 28 57 -28 7 55 0.86 144 0 0 -27 9 24 13 34 30.7 41 33 -40 -26 22 37 -27 56 44 -26 20 16 -27 59 8 0.86 145 0 0 -27 0 57 13 34 23.0 41 32 -40 -26 14 13 -27 48 14 -26 11 52 -27 50 38 0.86 146 0 0 -26 52 47 13 34 15.2 42 31 -41 -26 6 6 -27 40 1 -26 3 45 -27 42 26 0.86 147 0 0 -26 44 54 13 34 7.3 42 30 -41 -25 58 16 -27 32 6 -25 55 55 -27 34 30 0.86 148 0 0 -26 37 19 13 33 59.4 43 29 -41 -25 50 43 -27 24 29 -25 48 22 -27 26 53 0.86 149 0 0 -26 30 2 13 33 51.3 43 28 -41 -25 43 28 -27 17 9 -25 41 8 -27 19 33 0.86 150 0 0 -26 23 2 13 33 43.2 44 27 -42 -25 36 30 -27 10 7 -25 34 10 -27 12 30 0.86 151 0 0 -26 16 20 13 33 35.0 44 25 -42 -25 29 51 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35 -26 11 12 -27 49 59 0.87 -160 0 0 -27 8 43 13 26 38.4 39 324 -25 -26 21 56 -27 56 4 -26 19 35 -27 58 28 0.87 -159 0 0 -27 17 27 13 26 31.0 38 323 -24 -26 30 37 -28 4 50 -26 28 16 -28 7 15 0.87 -158 0 0 -27 26 27 13 26 23.8 38 322 -23 -26 39 35 -28 13 53 -26 37 13 -28 16 18 0.87 -157 0 0 -27 35 44 13 26 16.7 37 321 -23 -26 48 49 -28 23 13 -26 46 27 -28 25 39 0.87 -156 0 0 -27 45 18 13 26 9.6 36 320 -22 -26 58 20 -28 32 50 -26 55 58 -28 35 16 0.87 -155 0 0 -27 55 8 13 26 2.7 36 319 -21 -27 8 7 -28 42 44 -27 5 45 -28 45 9 0.87 -154 0 0 -28 5 15 13 25 55.9 35 318 -20 -27 18 10 -28 52 54 -27 15 49 -28 55 19 0.87 -153 0 0 -28 15 38 13 25 49.2 34 317 -20 -27 28 30 -29 3 20 -27 26 8 -29 5 46 0.87 -152 0 0 -28 26 17 13 25 42.6 34 317 -19 -27 39 6 -29 14 2 -27 36 43 -29 16 28 0.87 -151 0 0 -28 37 11 13 25 36.2 33 316 -18 -27 49 57 -29 25 0 -27 47 34 -29 27 26 0.87 -150 0 0 -28 48 21 13 25 29.9 32 315 -17 -28 1 4 -29 36 14 -27 58 41 -29 38 40 0.88 -149 0 0 -28 59 47 13 25 23.7 31 314 -17 -28 12 26 -29 47 43 -28 10 3 -29 50 9 0.88 -148 0 0 -29 11 27 13 25 17.6 31 314 -16 -28 24 3 -29 59 27 -28 21 40 -30 1 54 0.88 -147 0 0 -29 23 23 13 25 11.7 30 313 -15 -28 35 55 -30 11 26 -28 33 32 -30 13 53 0.88 -146 0 0 -29 35 33 13 25 5.9 29 312 -14 -28 48 2 -30 23 40 -28 45 38 -30 26 7 0.88 -145 0 0 -29 47 58 13 25 0.3 28 311 -13 -29 0 23 -30 36 8 -28 57 59 -30 38 36 0.88 -144 0 0 -30 0 37 13 24 54.8 28 311 -13 -29 12 58 -30 48 51 -29 10 34 -30 51 18 0.88 -143 0 0 -30 13 29 13 24 49.4 27 310 -12 -29 25 47 -31 1 48 -29 23 23 -31 4 15 0.88 -142 0 0 -30 26 36 13 24 44.2 26 309 -11 -29 38 50 -31 14 58 -29 36 26 -31 17 26 0.88 -141 0 0 -30 39 56 13 24 39.1 25 309 -10 -29 52 6 -31 28 22 -29 49 42 -31 30 50 0.88 -140 0 0 -30 53 29 13 24 34.2 24 308 -9 -30 5 36 -31 41 59 -30 3 11 -31 44 27 0.88 -139 0 0 -31 7 15 13 24 29.5 24 307 -8 -30 19 18 -31 55 48 -30 16 53 -31 58 17 0.88 -138 0 0 -31 21 13 13 24 24.8 23 307 -8 -30 33 13 -32 9 51 -30 30 48 -32 12 19 0.88 -137 0 0 -31 35 24 13 24 20.4 22 306 -7 -30 47 20 -32 24 5 -30 44 55 -32 26 34 0.88 -136 0 0 -31 49 47 13 24 16.1 21 305 -6 -31 1 39 -32 38 32 -30 59 14 -32 41 1 0.88 -135 0 0 -32 4 22 13 24 12.0 20 305 -5 -31 16 10 -32 53 10 -31 13 44 -32 55 39 0.88 -134 0 0 -32 19 7 13 24 8.0 20 304 -4 -31 30 52 -33 8 0 -31 28 26 -33 10 29 0.89 -133 0 0 -32 34 4 13 24 4.2 19 304 -3 -31 45 45 -33 23 1 -31 43 19 -33 25 30 0.89 -132 0 0 -32 49 12 13 24 0.5 18 303 -3 -32 0 49 -33 38 12 -31 58 23 -33 40 42 0.89 -131 0 0 -33 4 29 13 23 57.0 17 302 -2 -32 16 3 -33 53 33 -32 13 37 -33 56 3 0.89 -130 0 0 -33 19 57 13 23 53.7 16 302 -1 -32 31 27 -34 9 5 -32 29 1 -34 11 35 0.89 -129 0 0 -33 35 35 13 23 50.6 15 301 0 -32 47 1 -34 24 46 -32 44 35 -34 27 17 0.89 -128 0 0 -33 51 21 13 23 47.6 14 301 1 -33 2 44 -34 40 37 -33 0 18 -34 43 7 0.89 -127 0 0 -34 7 17 13 23 44.8 14 300 2 -33 18 36 -34 56 36 -33 16 10 -34 59 7 0.89 -126 0 0 -34 23 21 13 23 42.1 13 299 3 -33 34 37 -35 12 44 -33 32 10 -35 15 15 0.89 -125 0 0 -34 39 34 13 23 39.7 12 299 3 -33 50 46 -35 29 0 -33 48 19 -35 31 31 0.89 -124 0 0 -34 55 54 13 23 37.4 11 298 4 -34 7 3 -35 45 23 -34 4 36 -35 47 54 0.90 -123 0 0 -35 12 22 13 23 35.2 10 298 5 -34 23 27 -36 1 54 -34 21 0 -36 4 26 0.90 -122 0 0 -35 28 56 13 23 33.3 9 297 6 -34 39 59 -36 18 32 -34 37 31 -36 21 4 0.90 -121 0 0 -35 45 37 13 23 31.5 9 296 7 -34 56 37 -36 35 16 -34 54 9 -36 37 48 0.90 -120 0 0 -36 2 25 13 23 29.9 8 296 8 -35 13 21 -36 52 7 -35 10 53 -36 54 39 0.91 -119 0 0 -36 19 18 13 23 28.4 7 295 9 -35 30 11 -37 9 3 -35 27 43 -37 11 35 0.91 -118 0 0 -36 36 16 13 23 27.1 6 295 9 -35 47 7 -37 26 5 -35 44 39 -37 28 37 0.91 -117 0 0 -36 53 20 13 23 26.0 5 294 10 -36 4 8 -37 43 11 -36 1 39 -37 45 43 0.92 -116 0 0 -37 10 28 13 23 25.1 4 293 11 -36 21 13 -38 0 22 -36 18 45 -38 2 54 0.93 -115 0 0 -37 27 40 13 23 24.3 4 293 12 -36 38 23 -38 17 36 -36 35 54 -38 20 9 0.94 -114 0 0 -37 44 55 13 23 23.7 3 292 13 -36 55 36 -38 34 55 -36 53 7 -38 37 27 0.96 -113 0 0 -38 2 15 13 23 23.3 2 292 14 -37 12 53 -38 52 16 -37 10 24 -38 54 49 0.99 -112 0 0 -38 19 36 13 23 23.0 1 291 14 -37 30 12 -39 9 40 -37 27 43 -39 12 13 1.09 -111 0 0 -38 37 1 13 23 22.9 0 290 15 -37 47 34 .. .. .. -37 45 5 .. .. .. 2.15 Uncertainty in time = +/- 3 secs Prediction of 2023 Oct 15.9 Data for the target star ------------------------ * name: TYC 1297-01190-1 * constellation : Taurus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 05 35 05.9369 DE: +15 43 17.141 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 05 35 05.9369 DE: +15 43 17.141 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 9.1 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (159) Aemilia asteroid class: approx. diameter [km]: 130 approx. diameter ["]: 0.096 distance from Earth [AU]: 1.86810 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#121 date of fit: 2023 Oct 09 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): 0.024", 0.000", 83.807° remarks: * orbital elements for (159)Aemilia : Mean anomaly = 336.7723347757 deg Arg. of pericenter = 333.3314940322 deg Long. of node = 133.8712185120 deg Inclination = 6.1134966992 deg Eccentricity = 0.0999099578 Semimajor axis = 3.1086042179 AU Perihelion dist = 2.7980237017 AU Mag: H = 8.35, G = 0.15 Epoch of elements : MJD 60280.56291667 TDT (2023 Dec 02.5629) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1212023Oct09,11.86,2023,12,2,13.512475,0.005235,-0.651819,-6.162834,-0.049502,-0.001507,0.000693,0.000001,0.000000 170.2987,15.7380,-25.36,-21.96,False TYC 1297-01190-1,5.58498247,15.7214281,0.00,9.10,0.00,0.0,0,,5.60814675,15.7380015,3.36,0.00,0,0,0 159,Aemilia,12.41,129.500,1.8681,0,0,-2.009,-0.23,,7.2,0 0,336.6711,2023,12,2,333.3315,133.8712,6.1135,0.09991,3.10860,2.79802,8.35,5.0,0.15 1.025,0.0237,0.0005,84,0.0237,Known errors,-1.00,0,-1,-1 20231202_1190-1,60232.88 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Oct 15, 21:12 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org