IOTA/IOTA-ES occultation update for (134) Sophrosyne / TYC 7383-00109-1 event on 2024 Sep 09, 10:17 UT Visible from Summary ------- On 2024 Sep 09 UT, the 104.880254354193 km diameter asteroid (134) Sophrosyne will occult a 10.8 mag star in the constellation Scorpius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 3.29 mag to 14.07 mag (the magnitude of the asteroid) for at most 7.510 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: 100 * date and approx. time of event: 2024 Sep 09, 10:10 - 2024 Sep 09, 10:25 * geocentric midpoint of event [JD]: 2460562.92911529 * magnitude of target star: 10.83 * magnitude drop [mag]: 3.29 * estimated maximum duration [s]: 7.510 * Moon: 33 % sunlit, 27° distance * Sun: 96° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 105 * 1 sigma uncertainty interval [path widths]: +/- 0.10 * 1 sigma uncertainty interval [seconds]: +/- 0.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.008, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.008", 0.004", 102°) * approx speed of asteroid's shadow [km/s]: 13.9944 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 7383-00109-1 by 134 Sophrosyne on 2024 Sep 9 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 19 0 0 -17 22 15 10 10 20.4 0 126 66 -17 57 39 -16 46 50 -18 4 36 .. .. .. .... 20 0 0 -18 4 26 10 10 20.6 2 126 66 -18 39 41 -17 29 10 -18 46 36 -17 22 15 0.09 21 0 0 -18 45 55 10 10 20.9 3 126 66 -19 21 1 -18 10 49 -19 27 54 -18 3 56 0.04 22 0 0 -19 26 43 10 10 21.5 4 125 65 -20 1 38 -18 51 46 -20 8 30 -18 44 54 0.02 23 0 0 -20 6 47 10 10 22.2 5 125 65 -20 41 33 -19 32 0 -20 48 23 -19 25 10 0.01 24 0 0 -20 46 8 10 10 23.1 6 125 64 -21 20 44 -20 11 31 -21 27 32 -20 4 43 0.00 25 0 0 -21 24 45 10 10 24.2 7 124 64 -21 59 11 -20 50 17 -22 5 57 -20 43 31 0.00 26 0 0 -22 2 37 10 10 25.5 8 124 63 -22 36 54 -21 28 20 -22 43 37 -21 21 36 -0.01 27 0 0 -22 39 45 10 10 26.9 10 124 62 -23 13 51 -22 5 37 -23 20 33 -21 58 55 -0.01 28 0 0 -23 16 7 10 10 28.4 11 123 62 -23 50 4 -22 42 10 -23 56 43 -22 35 30 -0.01 29 0 0 -23 51 44 10 10 30.2 12 123 61 -24 25 31 -23 17 57 -24 32 8 -23 11 19 -0.01 30 0 0 -24 26 36 10 10 32.0 13 122 60 -25 0 12 -23 52 59 -25 6 48 -23 46 23 -0.02 31 0 0 -25 0 42 10 10 34.0 14 122 60 -25 34 8 -24 27 15 -25 40 42 -24 20 41 -0.02 32 0 0 -25 34 2 10 10 36.2 15 122 59 -26 7 18 -25 0 45 -26 13 50 -24 54 13 -0.02 33 0 0 -26 6 37 10 10 38.4 16 121 58 -26 39 43 -25 33 30 -26 46 13 -25 27 0 -0.02 34 0 0 -26 38 25 10 10 40.8 17 121 58 -27 11 22 -26 5 29 -27 17 49 -25 59 0 -0.02 35 0 0 -27 9 29 10 10 43.4 18 120 57 -27 42 15 -26 36 42 -27 48 41 -26 30 15 -0.02 36 0 0 -27 39 46 10 10 46.0 19 120 56 -28 12 22 -27 7 9 -28 18 46 -27 0 45 -0.02 37 0 0 -28 9 18 10 10 48.7 20 119 55 -28 41 45 -27 36 51 -28 48 7 -27 30 28 -0.02 38 0 0 -28 38 5 10 10 51.6 21 119 55 -29 10 22 -28 5 47 -29 16 42 -27 59 27 -0.03 39 0 0 -29 6 7 10 10 54.6 22 118 54 -29 38 15 -28 33 59 -29 44 33 -28 27 40 -0.03 40 0 0 -29 33 24 10 10 57.6 23 118 53 -30 5 22 -29 1 26 -30 11 39 -28 55 9 -0.03 41 0 0 -29 59 57 10 11 0.8 24 117 52 -30 31 46 -29 28 8 -30 38 1 -29 21 52 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-13 -29 5 58 -28 1 0 -29 12 20 -27 54 37 -0.04 128 0 0 -28 3 57 10 19 15.8 79 227 -14 -28 36 36 -27 31 17 -28 43 1 -27 24 52 -0.04 129 0 0 -27 33 36 10 19 24.0 78 228 -15 -28 6 26 -27 0 45 -28 12 53 -26 54 18 -0.04 130 0 0 -27 2 27 10 19 32.2 77 229 -16 -27 35 27 -26 29 25 -27 41 56 -26 22 56 -0.04 131 0 0 -26 30 28 10 19 40.5 76 229 -17 -27 3 40 -25 57 15 -27 10 10 -25 50 44 -0.04 132 0 0 -25 57 40 10 19 48.8 75 229 -18 -26 31 3 -25 24 16 -26 37 36 -25 17 43 -0.04 133 0 0 -25 24 3 10 19 57.1 74 230 -19 -25 57 36 -24 50 28 -26 4 11 -24 43 52 -0.04 134 0 0 -24 49 36 10 20 5.5 73 230 -20 -25 23 20 -24 15 49 -25 29 58 -24 9 12 -0.04 135 0 0 -24 14 19 10 20 14.0 72 230 -21 -24 48 15 -23 40 21 -24 54 55 -23 33 41 -0.04 136 0 0 -23 38 12 10 20 22.4 71 230 -22 -24 12 20 -23 4 4 -24 19 2 -22 57 21 -0.04 137 0 0 -23 1 16 10 20 30.9 70 230 -23 -23 35 35 -22 26 56 -23 42 19 -22 20 12 -0.04 138 0 0 -22 23 31 10 20 39.4 69 230 -24 -22 58 1 -21 48 59 -23 4 47 -21 42 13 -0.04 139 0 0 -21 44 56 10 20 48.0 68 230 -25 -22 19 37 -21 10 13 -22 26 25 -21 3 24 -0.04 140 0 0 -21 5 31 10 20 56.5 66 230 -26 -21 40 24 -20 30 38 -21 47 15 -20 23 46 -0.04 141 0 0 -20 25 19 10 21 5.1 65 230 -27 -21 0 22 -19 50 14 -21 7 15 -19 43 20 -0.04 142 0 0 -19 44 17 10 21 13.6 64 230 -28 -20 19 32 -19 9 1 -20 26 27 -19 2 6 -0.04 143 0 0 -19 2 28 10 21 22.1 63 229 -29 -19 37 54 -18 27 1 -19 44 51 -18 20 3 -0.04 144 0 0 -18 19 52 10 21 30.7 62 229 -30 -18 55 29 -17 44 14 -19 2 28 -17 37 14 -0.04 145 0 0 -17 36 29 10 21 39.2 60 229 -31 -18 12 17 -17 0 40 -18 19 18 -16 53 38 -0.03 146 0 0 -16 52 21 10 21 47.7 59 229 -32 -17 28 19 -16 16 22 -17 35 22 -16 9 17 -0.03 147 0 0 -16 7 28 10 21 56.1 58 229 -33 -16 43 36 -15 31 18 -16 50 41 -15 24 12 -0.03 148 0 0 -15 21 51 10 22 4.5 57 229 -34 -15 58 9 -14 45 31 -16 5 16 -14 38 23 -0.03 149 0 0 -14 35 31 10 22 12.8 55 229 -35 -15 11 59 -13 59 2 -15 19 9 -13 51 52 -0.03 150 0 0 -13 48 31 10 22 21.1 54 228 -36 -14 25 8 -13 11 52 -14 32 19 -13 4 40 -0.03 151 0 0 -13 0 50 10 22 29.3 53 228 -37 -13 37 37 -12 24 2 -13 44 50 -12 16 48 -0.03 152 0 0 -12 12 31 10 22 37.4 52 228 -39 -12 49 26 -11 35 34 -12 56 41 -11 28 19 -0.03 153 0 0 -11 23 35 10 22 45.5 50 228 -40 -12 0 39 -10 46 30 -12 7 56 -10 39 13 -0.03 154 0 0 -10 34 4 10 22 53.4 49 228 -41 -11 11 16 - 9 56 51 -11 18 34 - 9 49 33 -0.03 155 0 0 - 9 44 0 10 23 1.2 48 228 -42 -10 21 20 - 9 6 39 -10 28 39 - 8 59 19 -0.03 156 0 0 - 8 53 25 10 23 8.9 46 228 -43 - 9 30 52 - 8 15 57 - 9 38 13 - 8 8 35 -0.03 157 0 0 - 8 2 20 10 23 16.5 45 228 -44 - 8 39 54 - 7 24 46 - 8 47 16 - 7 17 23 -0.03 158 0 0 - 7 10 49 10 23 23.9 44 228 -45 - 7 48 28 - 6 33 8 - 7 55 52 - 6 25 44 -0.03 159 0 0 - 6 18 52 10 23 31.2 42 227 -46 - 6 56 37 - 5 41 6 - 7 4 2 - 5 33 40 -0.03 160 0 0 - 5 26 33 10 23 38.3 41 227 -47 - 6 4 23 - 4 48 41 - 6 11 49 - 4 41 15 -0.03 161 0 0 - 4 33 54 10 23 45.2 40 227 -48 - 5 11 49 - 3 55 58 - 5 19 15 - 3 48 31 -0.03 162 0 0 - 3 40 57 10 23 52.0 38 227 -49 - 4 18 56 - 3 2 57 - 4 26 23 - 2 55 29 -0.02 163 0 0 - 2 47 45 10 23 58.6 37 227 -50 - 3 25 48 - 2 9 41 - 3 33 16 - 2 2 13 -0.02 164 0 0 - 1 54 21 10 24 5.0 36 227 -51 - 2 32 26 - 1 16 14 - 2 39 55 - 1 8 45 -0.02 165 0 0 - 1 0 46 10 24 11.2 34 227 -52 - 1 38 54 - 0 22 38 - 1 46 23 - 0 15 8 -0.02 166 0 0 - 0 7 5 10 24 17.2 33 227 -53 - 0 45 14 0 31 6 - 0 52 44 0 38 35 -0.02 167 0 0 0 46 41 10 24 23.0 32 227 -53 0 8 31 1 24 53 0 1 1 1 32 23 -0.02 168 0 0 1 40 29 10 24 28.5 30 227 -54 1 2 18 2 18 41 0 54 48 2 26 11 -0.02 169 0 0 2 34 16 10 24 33.9 29 227 -55 1 56 5 3 12 28 1 48 36 3 19 58 -0.02 170 0 0 3 28 0 10 24 39.0 28 228 -56 2 49 50 4 6 11 2 42 20 4 13 41 -0.02 171 0 0 4 21 37 10 24 43.8 26 228 -57 3 43 28 4 59 47 3 35 59 5 7 17 -0.02 172 0 0 5 15 6 10 24 48.5 25 228 -57 4 36 59 5 53 14 4 29 30 6 0 43 -0.02 173 0 0 6 8 23 10 24 52.8 24 228 -58 5 30 19 6 46 29 5 22 50 6 53 58 -0.02 174 0 0 7 1 27 10 24 57.0 22 228 -59 6 23 25 7 39 29 6 15 57 7 46 57 -0.02 175 0 0 7 54 14 10 25 0.9 21 228 -59 7 16 16 8 32 13 7 8 49 8 39 40 -0.02 176 0 0 8 46 42 10 25 4.5 20 228 -60 8 8 48 9 24 37 8 1 22 9 32 4 -0.02 177 0 0 9 38 50 10 25 7.9 18 228 -60 9 1 0 10 16 40 8 53 35 10 24 6 -0.02 178 0 0 10 30 34 10 25 11.1 17 229 -61 9 52 50 11 8 19 9 45 25 11 15 44 -0.01 179 0 0 11 21 53 10 25 14.0 16 229 -61 10 44 14 11 59 32 10 36 51 12 6 56 -0.01 180 0 0 12 12 44 10 25 16.6 14 229 -61 11 35 12 12 50 17 11 27 49 12 57 40 -0.01 -179 0 0 13 3 6 10 25 19.0 13 229 -62 12 25 40 13 40 33 12 18 19 13 47 54 -0.01 -178 0 0 13 52 57 10 25 21.2 12 229 -62 13 15 38 14 30 17 13 8 18 14 37 37 -0.01 -177 0 0 14 42 15 10 25 23.2 10 230 -62 14 5 3 15 19 28 13 57 45 15 26 46 -0.01 -176 0 0 15 30 59 10 25 24.9 9 230 -62 14 53 55 16 8 4 14 46 38 16 15 21 -0.01 -175 0 0 16 19 6 10 25 26.3 8 230 -62 15 42 10 16 56 3 15 34 55 17 3 19 0.00 -174 0 0 17 6 37 10 25 27.6 7 231 -62 16 29 49 17 43 25 16 22 35 17 50 39 0.00 -173 0 0 17 53 28 10 25 28.6 5 231 -62 17 16 49 18 30 8 17 9 37 18 37 20 0.00 -172 0 0 18 39 40 10 25 29.4 4 231 -62 18 3 9 19 16 11 17 55 59 19 23 21 0.01 -171 0 0 19 25 10 10 25 30.0 3 232 -62 18 48 49 20 1 32 18 41 41 20 8 41 0.03 -170 0 0 20 9 59 10 25 30.4 2 232 -62 19 33 47 20 46 12 19 26 41 20 53 19 0.06 -169 0 0 20 54 5 10 25 30.6 1 232 -62 20 18 3 21 30 9 20 10 59 21 37 13 0.23 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: TYC 7383-00109-1 * constellation : Scorpius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 17 28 03.6968 DE: -34 41 02.152 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 17 28 03.6967 DE: -34 41 02.152 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 10.8 * B mag [mag]: 11.7 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (134) Sophrosyne asteroid class: approx. diameter [km]: 105 approx. diameter ["]: 0.058 distance from Earth [AU]: 2.50590 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#131 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): 0.008", 0.004", 101.9° remarks: * orbital elements for (134)Sophrosyne : Mean anomaly = 220.2899580576 deg Arg. of pericenter = 85.6260201868 deg Long. of node = 345.8416699359 deg Inclination = 11.6104167014 deg Eccentricity = 0.1150475086 Semimajor axis = 2.5637581432 AU Perihelion dist = 2.2688041562 AU Mag: H = 8.82, G = 0.28 Epoch of elements : MJD 60562.42911492 TDT (2024 Sep 09.4291) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1312023Apr24,7.51,2024,9,9,10.298767,-0.018063,0.041578,7.246531,3.143174,0.005641,-0.000180,0.000000,0.000000 118.9860,-34.7063,24.82,5.04,False TYC 7383-00109-1,17.46769359,-34.6839311,11.69,10.83,10.37,0.1,0,,17.49504489,-34.7062610,3.29,3.31,0,0,0 134,Sophrosyne,14.07,105.062,2.5059,0,0,2.063,11.03,,5.2,0 0,220.1869,2024,9,9,85.6260,345.8417,11.6104,0.11505,2.56376,2.26880,8.81,5.0,0.15 1.098,0.0083,0.0037,102,0.0057,Known errors,0.89,0,-1,-1 20240909_0109-1,60140.55 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 13:13 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org