IOTA/IOTA-ES occultation update for (368) Haidea / TYC 1322-01391-1 event on 2024 Sep 08, 21:05 UT Visible from Summary ------- On 2024 Sep 08 UT, the 69.2623243422038 km diameter asteroid (368) Haidea will occult a 9.1 mag star in the constellation Orion for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.98 mag to 16.06 mag (the magnitude of the asteroid) for at most 3.110 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 Sep 08, 21:01 - 2024 Sep 08, 21:10 * geocentric midpoint of event [JD]: 2460562.37913216 * magnitude of target star: 9.08 * magnitude drop [mag]: 6.98 * estimated maximum duration [s]: 3.110 * Moon: 27 % sunlit, 135° distance * Sun: 74° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 75 * 1 sigma uncertainty interval [path widths]: +/- 0.10 * 1 sigma uncertainty interval [seconds]: +/- 1.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.013, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.014", 0.003", 100°) * approx speed of asteroid's shadow [km/s]: 22.3617 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1322-01391-1 by 368 Haidea on 2024 Sep 8 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 48 0 0 30 33 17 21 1 34.6 0 67 -54 30 11 10 30 55 28 30 6 52 30 59 48 .... 49 0 0 30 55 13 21 1 34.7 1 68 -54 30 33 7 31 17 23 30 28 49 31 21 42 -0.38 50 0 0 31 16 56 21 1 34.9 2 68 -53 30 54 52 31 39 4 30 50 34 31 43 24 -0.39 51 0 0 31 38 26 21 1 35.1 3 69 -53 31 16 23 32 0 33 31 12 5 32 4 52 -0.40 52 0 0 31 59 42 21 1 35.5 4 69 -52 31 37 40 32 21 47 31 33 23 32 26 6 -0.40 53 0 0 32 20 44 21 1 35.9 5 70 -52 31 58 43 32 42 47 31 54 27 32 47 6 -0.41 54 0 0 32 41 31 21 1 36.4 6 70 -51 32 19 32 33 3 33 32 15 16 33 7 51 -0.41 55 0 0 33 2 4 21 1 36.9 7 71 -50 32 40 7 33 24 4 32 35 51 33 28 22 -0.41 56 0 0 33 22 21 21 1 37.5 8 71 -50 33 0 26 33 44 20 32 56 10 33 48 38 -0.41 57 0 0 33 42 23 21 1 38.2 9 72 -49 33 20 30 34 4 21 33 16 14 34 8 38 -0.41 58 0 0 34 2 10 21 1 39.0 10 73 -49 33 40 18 34 24 5 33 36 3 34 28 22 -0.41 59 0 0 34 21 40 21 1 39.9 11 73 -48 33 59 50 34 43 34 33 55 35 34 47 50 -0.41 60 0 0 34 40 54 21 1 40.8 11 74 -47 34 19 6 35 2 46 34 14 52 35 7 2 -0.41 61 0 0 34 59 52 21 1 41.8 12 74 -47 34 38 6 35 21 42 34 33 52 35 25 57 -0.41 62 0 0 35 18 33 21 1 42.8 13 75 -46 34 56 49 35 40 21 34 52 35 35 44 36 -0.41 63 0 0 35 36 57 21 1 43.9 14 76 -45 35 15 15 35 58 43 35 11 1 36 2 58 -0.41 64 0 0 35 55 3 21 1 45.1 15 76 -45 35 33 23 36 16 47 35 29 10 36 21 2 -0.41 65 0 0 36 12 53 21 1 46.3 16 77 -44 35 51 14 36 34 35 35 47 2 36 38 49 -0.41 66 0 0 36 30 24 21 1 47.6 17 77 -44 36 8 48 36 52 4 36 4 36 36 56 18 -0.41 67 0 0 36 47 38 21 1 49.0 17 78 -43 36 26 4 37 9 16 36 21 53 37 13 29 -0.41 68 0 0 37 4 34 21 1 50.4 18 79 -42 36 43 2 37 26 10 36 38 51 37 30 23 -0.41 69 0 0 37 21 12 21 1 51.9 19 79 -41 36 59 43 37 42 46 36 55 32 37 46 58 -0.41 70 0 0 37 37 32 21 1 53.4 20 80 -41 37 16 4 37 59 3 37 11 54 38 3 15 -0.41 71 0 0 37 53 33 21 1 55.0 21 81 -40 37 32 8 38 15 2 37 27 57 38 19 14 -0.41 72 0 0 38 9 16 21 1 56.6 22 81 -39 37 47 53 38 30 43 37 43 43 38 34 54 -0.41 73 0 0 38 24 40 21 1 58.3 22 82 -39 38 3 19 38 46 5 37 59 10 38 50 16 -0.41 74 0 0 38 39 46 21 2 0.0 23 83 -38 38 18 27 39 1 9 38 14 18 39 5 19 -0.41 75 0 0 38 54 33 21 2 1.8 24 83 -37 38 33 16 39 15 53 38 29 7 39 20 3 -0.41 76 0 0 39 9 1 21 2 3.6 25 84 -37 38 47 46 39 30 19 38 43 38 39 34 29 -0.41 77 0 0 39 23 10 21 2 5.5 26 85 -36 39 1 57 39 44 26 38 57 50 39 48 35 -0.41 78 0 0 39 37 0 21 2 7.4 26 85 -35 39 15 50 39 58 14 39 11 42 40 2 23 -0.41 79 0 0 39 50 31 21 2 9.4 27 86 -35 39 29 23 40 11 43 39 25 16 40 15 52 -0.41 80 0 0 40 3 43 21 2 11.4 28 87 -34 39 42 37 40 24 53 39 38 31 40 29 1 -0.41 81 0 0 40 16 36 21 2 13.5 29 88 -33 39 55 32 40 37 44 39 51 26 40 41 52 -0.41 82 0 0 40 29 10 21 2 15.6 30 88 -32 40 8 8 40 50 16 40 4 2 40 54 23 -0.41 83 0 0 40 41 25 21 2 17.7 30 89 -32 40 20 24 41 2 28 40 16 19 41 6 35 -0.41 84 0 0 40 53 20 21 2 19.9 31 90 -31 40 32 22 41 14 22 40 28 17 41 18 28 -0.41 85 0 0 41 4 56 21 2 22.1 32 91 -30 40 44 0 41 25 56 40 39 55 41 30 1 -0.41 86 0 0 41 16 13 21 2 24.4 33 92 -30 40 55 18 41 37 10 40 51 14 41 41 16 -0.41 87 0 0 41 27 10 21 2 26.7 33 92 -29 41 6 18 41 48 6 41 2 14 41 52 11 -0.41 88 0 0 41 37 49 21 2 29.0 34 93 -28 41 16 58 41 58 42 41 12 55 42 2 47 -0.41 89 0 0 41 48 8 21 2 31.4 35 94 -28 41 27 19 42 9 0 41 23 16 42 13 4 -0.41 90 0 0 41 58 8 21 2 33.8 36 95 -27 41 37 21 42 18 58 41 33 18 42 23 2 -0.41 91 0 0 42 7 48 21 2 36.2 36 96 -26 41 47 3 42 28 36 41 43 1 42 32 40 -0.41 92 0 0 42 17 9 21 2 38.7 37 96 -25 41 56 26 42 37 56 41 52 24 42 41 59 -0.41 93 0 0 42 26 12 21 2 41.2 38 97 -25 42 5 30 42 46 56 42 1 28 42 50 59 -0.41 94 0 0 42 34 54 21 2 43.7 39 98 -24 42 14 14 42 55 37 42 10 13 42 59 40 -0.41 95 0 0 42 43 18 21 2 46.3 39 99 -23 42 22 40 43 3 59 42 18 39 43 8 2 -0.41 96 0 0 42 51 23 21 2 48.9 40 100 -23 42 30 46 43 12 2 42 26 45 43 16 4 -0.41 97 0 0 42 59 8 21 2 51.5 41 101 -22 42 38 32 43 19 46 42 34 32 43 23 48 -0.41 98 0 0 43 6 34 21 2 54.1 41 102 -21 42 46 0 43 27 11 42 42 0 43 31 12 -0.41 99 0 0 43 13 41 21 2 56.8 42 103 -21 42 53 9 43 34 17 42 49 9 43 38 18 -0.41 100 0 0 43 20 29 21 2 59.5 43 104 -20 42 59 58 43 41 3 42 55 58 43 45 4 -0.41 101 0 0 43 26 58 21 3 2.3 43 105 -19 43 6 28 43 47 31 43 2 29 43 51 31 -0.41 102 0 0 43 33 8 21 3 5.0 44 106 -18 43 12 39 43 53 39 43 8 40 43 57 40 -0.41 103 0 0 43 38 59 21 3 7.8 45 107 -18 43 18 31 43 59 29 43 14 32 44 3 29 -0.41 104 0 0 43 44 30 21 3 10.6 45 108 -17 43 24 4 44 5 0 43 20 6 44 8 59 -0.41 105 0 0 43 49 43 21 3 13.5 46 109 -16 43 29 18 44 10 11 43 25 20 44 14 11 -0.41 106 0 0 43 54 37 21 3 16.4 47 110 -16 43 34 13 44 15 4 43 30 15 44 19 4 -0.41 107 0 0 43 59 12 21 3 19.3 47 111 -15 43 38 49 44 19 38 43 34 51 44 23 37 -0.41 108 0 0 44 3 28 21 3 22.2 48 112 -14 43 43 6 44 23 53 43 39 8 44 27 52 -0.41 109 0 0 44 7 25 21 3 25.1 49 113 -14 43 47 4 44 27 49 43 43 6 44 31 48 -0.41 110 0 0 44 11 3 21 3 28.1 49 114 -13 43 50 43 44 31 27 43 46 45 44 35 26 -0.41 111 0 0 44 14 23 21 3 31.1 50 115 -12 43 54 3 44 34 45 43 50 5 44 38 44 -0.41 112 0 0 44 17 23 21 3 34.1 51 116 -11 43 57 4 44 37 45 43 53 7 44 41 44 -0.41 113 0 0 44 20 5 21 3 37.2 51 117 -11 43 59 46 44 40 26 43 55 49 44 44 25 -0.41 114 0 0 44 22 28 21 3 40.2 52 119 -10 44 2 9 44 42 49 43 58 12 44 46 47 -0.41 115 0 0 44 24 31 21 3 43.3 53 120 -9 44 4 14 44 44 52 44 0 17 44 48 50 -0.41 116 0 0 44 26 17 21 3 46.4 53 121 -9 44 5 59 44 46 37 44 2 3 44 50 35 -0.41 117 0 0 44 27 43 21 3 49.6 54 122 -8 44 7 26 44 48 3 44 3 29 44 52 1 -0.41 118 0 0 44 28 51 21 3 52.7 54 124 -7 44 8 34 44 49 10 44 4 37 44 53 8 -0.41 119 0 0 44 29 39 21 3 55.9 55 125 -6 44 9 23 44 49 59 44 5 26 44 53 57 -0.41 120 0 0 44 30 9 21 3 59.1 55 126 -6 44 9 53 44 50 29 44 5 56 44 54 27 -0.41 121 0 0 44 30 21 21 4 2.3 56 128 -5 44 10 4 44 50 40 44 6 8 44 54 38 -0.41 122 0 0 44 30 13 21 4 5.6 57 129 -4 44 9 57 44 50 32 44 6 0 44 54 30 -0.41 123 0 0 44 29 46 21 4 8.8 57 130 -4 44 9 30 44 50 6 44 5 33 44 54 4 -0.41 124 0 0 44 29 1 21 4 12.1 58 132 -3 44 8 45 44 49 21 44 4 48 44 53 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39 37 13 21 6 39.8 66 219 27 39 16 3 39 58 27 39 11 56 40 2 35 -0.41 165 0 0 39 23 16 21 6 43.9 66 221 28 39 2 4 39 44 32 38 57 57 39 48 41 -0.41 166 0 0 39 9 0 21 6 47.9 65 224 29 38 47 45 39 30 17 38 43 37 39 34 27 -0.41 167 0 0 38 54 24 21 6 51.9 65 226 30 38 33 7 39 15 44 38 28 59 39 19 53 -0.41 168 0 0 38 39 28 21 6 56.0 64 228 31 38 18 9 39 0 50 38 14 1 39 5 1 -0.41 169 0 0 38 24 13 21 7 0.0 64 230 31 38 2 52 38 45 38 37 58 43 38 49 48 -0.41 170 0 0 38 8 39 21 7 4.1 64 232 32 37 47 16 38 30 6 37 43 6 38 34 17 -0.41 171 0 0 37 52 46 21 7 8.2 63 234 33 37 31 21 38 14 15 37 27 11 38 18 26 -0.41 172 0 0 37 36 34 21 7 12.2 63 236 34 37 15 6 37 58 5 37 10 56 38 2 17 -0.41 173 0 0 37 20 3 21 7 16.3 62 238 35 36 58 33 37 41 36 36 54 22 37 45 48 -0.41 174 0 0 37 3 12 21 7 20.4 62 240 36 36 41 40 37 24 48 36 37 29 37 29 1 -0.41 175 0 0 36 46 4 21 7 24.5 61 242 36 36 24 29 37 7 41 36 20 18 37 11 55 -0.41 176 0 0 36 28 36 21 7 28.5 60 244 37 36 7 0 36 50 16 36 2 48 36 54 30 -0.41 177 0 0 36 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13.3 14 287 77 16 14 8 16 58 26 16 9 49 17 2 46 -0.44 -131 0 0 16 11 59 21 10 14.6 13 287 77 15 49 53 16 34 8 15 45 35 16 38 28 -0.44 -130 0 0 15 47 51 21 10 15.8 12 287 77 15 25 46 16 9 59 15 21 29 16 14 18 -0.45 -129 0 0 15 23 52 21 10 17.0 11 288 76 15 1 49 15 45 58 14 57 32 15 50 17 -0.45 -128 0 0 15 0 2 21 10 18.0 10 288 76 14 38 1 15 22 7 14 33 44 15 26 25 -0.45 -127 0 0 14 36 22 21 10 18.9 9 288 76 14 14 23 14 58 25 14 10 6 15 2 43 -0.46 -126 0 0 14 12 53 21 10 19.7 8 289 75 13 50 55 14 34 54 13 46 39 14 39 12 -0.46 -125 0 0 13 49 35 21 10 20.4 7 289 74 13 27 39 14 11 34 13 23 23 14 15 52 -0.47 -124 0 0 13 26 28 21 10 21.1 6 289 74 13 4 34 13 48 26 13 0 19 13 52 43 -0.48 -123 0 0 13 3 34 21 10 21.6 5 289 73 12 41 42 13 25 30 12 37 27 13 29 47 -0.49 -122 0 0 12 40 53 21 10 22.0 4 289 72 12 19 2 13 2 47 12 14 47 13 7 3 -0.51 -121 0 0 12 18 25 21 10 22.3 3 290 72 11 56 36 12 40 17 11 52 22 12 44 33 -0.55 -120 0 0 11 56 10 21 10 22.5 2 290 71 11 34 24 12 18 0 11 30 10 12 22 16 -0.65 -119 0 0 11 34 10 21 10 22.6 0 290 70 11 12 26 11 55 59 11 8 12 12 0 14 -1.13 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.5 Data for the target star ------------------------ * name: TYC 1322-01391-1 * constellation : Orion * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 06 11 58.9687 DE: +19 46 00.007 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 06 11 58.9698 DE: +19 46 00.007 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 9.1 * B mag [mag]: 9.4 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (368) Haidea asteroid class: approx. diameter [km]: 69 approx. diameter ["]: 0.029 distance from Earth [AU]: 3.34600 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#114 date of fit: 2023 Feb 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): 0.014", 0.003", 99.899° remarks: * orbital elements for (368)Haidea : Mean anomaly = 90.8406769334 deg Arg. of pericenter = 95.7652788538 deg Long. of node = 226.2769589284 deg Inclination = 7.7974186134 deg Eccentricity = 0.2033955399 Semimajor axis = 3.0773290055 AU Perihelion dist = 2.4514140110 AU Mag: H = 10.00, G = 0.15 Epoch of elements : MJD 60561.87913171 TDT (2024 Sep 08.8791) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1142023Feb09,3.11,2024,9,8,21.099172,0.061214,0.372287,12.425083,-2.218528,-0.005540,0.000029,0.000000,0.000000 148.4555,19.7621,-137.14,5.25,False TYC 1322-01391-1,6.19971351,19.7666688,9.43,9.08,8.89,0.1,0,,6.22394428,19.7620802,6.99,6.73,0,0,0 368,Haidea,16.06,69.505,3.3460,0,0,2.314,-5.83,,3.4,0 0,90.6802,2024,9,8,95.7653,226.2770,7.7974,0.20340,3.07733,2.45141,9.99,5.0,0.15 1.097,0.0137,0.0028,100,0.0028,Known errors,0.83,0,-1,-1 20240908_1391-1,60140.55 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 13:11 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org