IOTA/IOTA-ES occultation update for (3652) Soros / TYC 6154-00404-1 event on 2024 Jun 07, 23:10 UT Visible from Summary ------- On 2024 Jun 07 UT, the 13.228 km diameter asteroid (3652) Soros will occult a 10.9 mag star in the constellation Libra for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 5.49 mag to 16.34 mag (the magnitude of the asteroid) for at most 2.510 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: 94 * date and approx. time of event: 2024 Jun 07, 22:50 - 2024 Jun 07, 23:29 * geocentric midpoint of event [JD]: 2460469.46537229 * magnitude of target star: 10.86 * magnitude drop [mag]: 5.49 * estimated maximum duration [s]: 2.510 * Moon: 3 % sunlit, 129° distance * Sun: 147° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 14 * 1 sigma uncertainty interval [path widths]: +/- 0.45 * 1 sigma uncertainty interval [seconds]: +/- 5.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.030, +/- 0.008) * 1 sigma uncertainty ellipse (major, minor, PA): (0.031", 0.002", 105°) * approx speed of asteroid's shadow [km/s]: 5.2608 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6154-00404-1 by 3652 Soros on 2024 Jun 7 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 -101 0 0 42 48 17 23 29 20.0 0 113 28 42 52 24 42 44 10 42 56 5 42 40 29 .... -100 0 0 42 29 15 23 29 19.8 1 114 28 42 33 23 42 25 7 42 37 4 42 21 25 -0.12 - 99 0 0 42 9 45 23 29 19.3 2 114 27 42 13 54 42 5 37 42 17 36 42 1 54 -0.21 - 98 0 0 41 49 48 23 29 18.6 3 115 26 41 53 58 41 45 39 41 57 41 41 41 56 -0.25 - 97 0 0 41 29 24 23 29 17.6 4 116 25 41 33 34 41 25 14 41 37 18 41 21 30 -0.27 - 96 0 0 41 8 32 23 29 16.3 4 116 25 41 12 43 41 4 21 41 16 28 41 0 37 -0.29 - 95 0 0 40 47 13 23 29 14.8 5 117 24 40 51 25 40 43 1 40 55 10 40 39 16 -0.30 - 94 0 0 40 25 26 23 29 12.9 6 118 23 40 29 39 40 21 13 40 33 25 40 17 28 -0.31 - 93 0 0 40 3 12 23 29 10.8 7 118 22 40 7 26 39 58 59 40 11 12 39 55 12 -0.31 - 92 0 0 39 40 31 23 29 8.4 8 119 21 39 44 45 39 36 17 39 48 32 39 32 30 -0.32 - 91 0 0 39 17 23 23 29 5.7 9 120 20 39 21 38 39 13 8 39 25 26 39 9 20 -0.32 - 90 0 0 38 53 47 23 29 2.7 10 120 20 38 58 3 38 49 32 39 1 52 38 45 44 -0.32 - 89 0 0 38 29 45 23 28 59.4 10 121 19 38 34 2 38 25 29 38 37 51 38 21 40 -0.33 - 88 0 0 38 5 17 23 28 55.7 11 122 18 38 9 34 38 1 0 38 13 24 37 57 10 -0.33 - 87 0 0 37 40 22 23 28 51.8 12 122 17 37 44 40 37 36 4 37 48 30 37 32 14 -0.33 - 86 0 0 37 15 0 23 28 47.5 13 123 16 37 19 19 37 10 42 37 23 10 37 6 51 -0.33 - 85 0 0 36 49 13 23 28 42.9 14 123 15 36 53 33 36 44 54 36 57 24 36 41 3 -0.34 - 84 0 0 36 23 1 23 28 37.9 15 124 14 36 27 20 36 18 41 36 31 13 36 14 49 -0.34 - 83 0 0 35 56 23 23 28 32.6 16 125 14 36 0 43 35 52 2 36 4 36 35 48 9 -0.34 - 82 0 0 35 29 19 23 28 27.0 17 125 13 35 33 41 35 24 58 35 37 34 35 21 5 -0.34 - 81 0 0 35 1 52 23 28 21.0 18 126 12 35 6 14 34 57 30 35 10 8 34 53 36 -0.34 - 80 0 0 34 34 0 23 28 14.7 18 126 11 34 38 22 34 29 38 34 42 17 34 25 44 -0.34 - 79 0 0 34 5 44 23 28 8.0 19 127 10 34 10 7 34 1 22 34 14 2 33 57 27 -0.34 - 78 0 0 33 37 6 23 28 0.9 20 127 9 33 41 29 33 32 42 33 45 25 33 28 47 -0.34 - 77 0 0 33 8 4 23 27 53.5 21 128 8 33 12 28 33 3 40 33 16 24 32 59 44 -0.34 - 76 0 0 32 38 40 23 27 45.7 22 129 7 32 43 4 32 34 15 32 47 1 32 30 19 -0.35 - 75 0 0 32 8 54 23 27 37.5 23 129 6 32 13 19 32 4 29 32 17 16 32 0 33 -0.35 - 74 0 0 31 38 47 23 27 29.0 24 130 5 31 43 12 31 34 22 31 47 10 31 30 25 -0.35 - 73 0 0 31 8 20 23 27 20.1 25 130 4 31 12 45 31 3 54 31 16 43 30 59 57 -0.35 - 72 0 0 30 37 32 23 27 10.8 26 131 3 30 41 58 30 33 6 30 45 56 30 29 9 -0.35 - 71 0 0 30 6 25 23 27 1.1 27 131 2 30 10 52 30 1 59 30 14 50 29 58 1 -0.35 - 70 0 0 29 35 0 23 26 51.1 28 132 1 29 39 27 29 30 33 29 43 25 29 26 35 -0.35 - 69 0 0 29 3 17 23 26 40.6 29 133 0 29 7 44 28 58 50 29 11 43 28 54 51 -0.35 - 68 0 0 28 31 16 23 26 29.8 30 133 -1 28 35 44 28 26 49 28 39 43 28 22 50 -0.35 - 67 0 0 27 59 0 23 26 18.6 31 134 -2 28 3 27 27 54 32 28 7 26 27 50 33 -0.35 - 66 0 0 27 26 27 23 26 7.0 32 134 -3 27 30 55 27 22 0 27 34 54 27 18 0 -0.35 - 65 0 0 26 53 40 23 25 55.1 33 135 -4 26 58 8 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0 0 -12 1 29 22 58 16.6 48 258 -77 -11 57 41 -12 5 18 -11 54 17 -12 8 42 -0.32 24 0 0 -12 10 52 22 58 1.3 48 259 -76 -12 7 4 -12 14 41 -12 3 40 -12 18 5 -0.32 25 0 0 -12 19 46 22 57 46.1 47 259 -76 -12 15 58 -12 23 34 -12 12 34 -12 26 58 -0.32 26 0 0 -12 28 11 22 57 31.3 46 259 -75 -12 24 23 -12 31 58 -12 20 59 -12 35 22 -0.32 27 0 0 -12 36 6 22 57 16.6 45 259 -75 -12 32 18 -12 39 53 -12 28 55 -12 43 16 -0.32 28 0 0 -12 43 31 22 57 2.2 44 259 -74 -12 39 44 -12 47 18 -12 36 20 -12 50 41 -0.32 29 0 0 -12 50 27 22 56 48.0 43 259 -74 -12 46 40 -12 54 14 -12 43 17 -12 57 37 -0.32 30 0 0 -12 56 53 22 56 34.0 42 259 -73 -12 53 6 -13 0 40 -12 49 43 -13 4 3 -0.32 31 0 0 -13 2 50 22 56 20.3 41 259 -72 -12 59 3 -13 6 37 -12 55 40 -13 9 59 -0.32 32 0 0 -13 8 17 22 56 6.8 41 259 -72 -13 4 30 -13 12 3 -13 1 7 -13 15 26 -0.32 33 0 0 -13 13 14 22 55 53.6 40 259 -71 -13 9 27 -13 17 0 -13 6 5 -13 20 22 -0.32 34 0 0 -13 17 41 22 55 40.6 39 259 -70 -13 13 54 -13 21 27 -13 10 32 -13 24 49 -0.32 35 0 0 -13 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47 0 0 -13 29 34 22 53 15.2 27 258 -60 -13 25 47 -13 33 20 -13 22 25 -13 36 43 -0.33 48 0 0 -13 26 53 22 53 5.9 26 258 -59 -13 23 6 -13 30 40 -13 19 44 -13 34 2 -0.33 49 0 0 -13 23 41 22 52 56.9 25 258 -58 -13 19 54 -13 27 27 -13 16 31 -13 30 50 -0.33 50 0 0 -13 19 57 22 52 48.1 24 258 -57 -13 16 10 -13 23 44 -13 12 47 -13 27 6 -0.33 51 0 0 -13 15 41 22 52 39.7 23 257 -56 -13 11 54 -13 19 28 -13 8 31 -13 22 51 -0.33 52 0 0 -13 10 54 22 52 31.6 22 257 -55 -13 7 6 -13 14 41 -13 3 43 -13 18 4 -0.34 53 0 0 -13 5 34 22 52 23.7 21 257 -54 -13 1 46 -13 9 22 -12 58 23 -13 12 45 -0.34 54 0 0 -12 59 43 22 52 16.2 20 257 -53 -12 55 55 -13 3 30 -12 52 31 -13 6 54 -0.34 55 0 0 -12 53 19 22 52 9.0 20 257 -52 -12 49 30 -12 57 7 -12 46 6 -13 0 31 -0.34 56 0 0 -12 46 22 22 52 2.0 19 257 -51 -12 42 34 -12 50 11 -12 39 9 -12 53 35 -0.34 57 0 0 -12 38 53 22 51 55.4 18 256 -50 -12 35 5 -12 42 42 -12 31 40 -12 46 7 -0.34 58 0 0 -12 30 52 22 51 49.1 17 256 -50 -12 27 2 -12 34 41 -12 23 38 -12 38 6 -0.34 59 0 0 -12 22 17 22 51 43.1 16 256 -49 -12 18 27 -12 26 7 -12 15 2 -12 29 32 -0.34 60 0 0 -12 13 9 22 51 37.5 15 256 -48 -12 9 19 -12 16 59 -12 5 54 -12 20 25 -0.34 61 0 0 -12 3 28 22 51 32.2 14 256 -47 -11 59 38 -12 7 19 -11 56 12 -12 10 44 -0.35 62 0 0 -11 53 14 22 51 27.2 13 255 -46 -11 49 23 -11 57 4 -11 45 57 -12 0 31 -0.35 63 0 0 -11 42 25 22 51 22.6 12 255 -45 -11 38 34 -11 46 17 -11 35 7 -11 49 43 -0.35 64 0 0 -11 31 3 22 51 18.3 11 255 -44 -11 27 12 -11 34 55 -11 23 45 -11 38 22 -0.35 65 0 0 -11 19 7 22 51 14.3 10 255 -43 -11 15 15 -11 23 0 -11 11 48 -11 26 27 -0.35 66 0 0 -11 6 37 22 51 10.7 9 255 -42 -11 2 44 -11 10 30 -10 59 16 -11 13 58 -0.35 67 0 0 -10 53 32 22 51 7.5 8 255 -41 -10 49 39 -10 57 26 -10 46 11 -11 0 54 -0.36 68 0 0 -10 39 53 22 51 4.6 7 254 -40 -10 35 59 -10 43 47 -10 32 30 -10 47 16 -0.36 69 0 0 -10 25 39 22 51 2.1 6 254 -39 -10 21 45 -10 29 34 -10 18 15 -10 33 3 -0.36 70 0 0 -10 10 50 22 51 0.0 5 254 -38 -10 6 55 -10 14 45 -10 3 25 -10 18 15 -0.36 71 0 0 - 9 55 26 22 50 58.3 4 254 -37 - 9 51 31 - 9 59 22 - 9 48 0 -10 2 52 -0.37 72 0 0 - 9 39 27 22 50 57.0 3 254 -36 - 9 35 30 - 9 43 23 - 9 31 59 - 9 46 54 -0.38 73 0 0 - 9 22 52 22 50 56.0 2 254 -35 - 9 18 55 - 9 26 49 - 9 15 23 - 9 30 20 -0.39 74 0 0 - 9 5 41 22 50 55.5 1 253 -34 - 9 1 44 - 9 9 39 - 8 58 11 - 9 13 11 -0.45 Uncertainty in time = +/- 5 secs Prediction of 2023 Jul 14.4 Data for the target star ------------------------ * name: TYC 6154-00404-1 * constellation : Libra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 14 45 32.0584 DE: -16 26 44.867 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 14 45 32.0583 DE: -16 26 44.866 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.9 * B mag [mag]: 11.1 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (3652) Soros asteroid class: approx. diameter [km]: 13 approx. diameter ["]: 0.015 distance from Earth [AU]: 1.20550 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#46 date of fit: 2023 Apr 24 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): 0.031", 0.002", 105° remarks: * orbital elements for (3652)Soros : Mean anomaly = 311.0106727772 deg Arg. of pericenter = 62.2149436112 deg Long. of node = 245.3187155635 deg Inclination = 2.2715489725 deg Eccentricity = 0.1925428766 Semimajor axis = 2.3665872394 AU Perihelion dist = 1.9109177246 AU Mag: H = 13.45, G = 0.15 Epoch of elements : MJD 60468.96537237 TDT (2024 Jun 07.9654) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#462023Apr24,2.51,2024,6,7,23.168935,0.140556,0.274139,-2.642664,1.353995,0.002772,-0.000830,0.000001,0.000000 -22.6430,-16.5502,-167.76,22.87,False TYC 6154-00404-1,14.75890512,-16.4457963,11.13,10.86,10.71,0.0,0,,14.78176180,-16.5502057,5.48,5.18,0,0,0 3652,Soros,16.34,13.228,1.2055,0,0,-1.339,9.87,,1.0,0 0,310.7493,2024,6,7,62.2149,245.3187,2.2715,0.19254,2.36659,1.91092,13.45,5.0,0.15 1.447,0.0307,0.0021,105,0.0068,Known errors,1.01,0,-1,-1 20240607_0404-1,60139.37 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 14, 08:58 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org