IOTA/IOTA-ES occultation update for (567) Eleutheria / TYC 7423-01933-1 event on 2022 Oct 10, 23:17 UT Visible from South America Summary ------- On 2022 Oct 10 UT, the 91.8 km diameter asteroid (567) Eleutheria will occult a 11.9 mag star in the constellation Sagittarius for observers along a path across South America. In the case of an occultation, the combined light of the asteroid and the star will drop by 3.28 mag to 15.15 mag (the magnitude of the asteroid) for at most 5.310 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: 99 * date and approx. time of event: 2022 Oct 10, 23:11 - 2022 Oct 10, 23:24 * geocentric midpoint of event [JD]: 2459863.47075308 * magnitude of target star: 11.92 * magnitude drop [mag]: 3.28 * estimated maximum duration [s]: 5.310 * Moon: 99 % sunlit, 105° distance * Sun: 89° distance * rough path description: South America The occultation path -------------------- * approximate projected width [km]: 92 * 1 sigma uncertainty interval [path widths]: +/- 0.11 * 1 sigma uncertainty interval [seconds]: +/- 1.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.012, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.012", 0.003", 89°) * approx speed of asteroid's shadow [km/s]: 17.2771 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 7423-01933-1 by 567 Eleutheria on 2022 Oct 10 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 -176 0 0 -13 5 11 23 11 44.0 1 122 82 -13 34 32 -12 35 50 -13 41 3 -12 29 19 .... -175 0 0 -13 41 42 23 11 44.2 2 122 82 -14 10 58 -13 12 25 -14 17 28 -13 5 55 0.09 -174 0 0 -14 17 45 23 11 44.5 3 122 82 -14 46 57 -13 48 34 -14 53 26 -13 42 5 0.05 -173 0 0 -14 53 21 23 11 44.9 4 121 82 -15 22 27 -14 24 14 -15 28 55 -14 17 46 0.03 -172 0 0 -15 28 28 23 11 45.5 5 121 81 -15 57 29 -14 59 26 -16 3 55 -14 53 0 0.02 -171 0 0 -16 3 5 23 11 46.2 6 121 81 -16 32 1 -15 34 9 -16 38 26 -15 27 43 0.01 -170 0 0 -16 37 12 23 11 47.1 7 120 80 -17 6 3 -16 8 22 -17 12 27 -16 1 57 0.01 -169 0 0 -17 10 49 23 11 48.1 8 120 80 -17 39 33 -16 42 4 -17 45 57 -16 35 40 0.00 -168 0 0 -17 43 54 23 11 49.2 10 120 79 -18 12 33 -17 15 14 -18 18 55 -17 8 52 0.00 -167 0 0 -18 16 27 23 11 50.4 11 120 78 -18 45 1 -17 47 53 -18 51 21 -17 41 32 0.00 -166 0 0 -18 48 28 23 11 51.8 12 119 77 -19 16 56 -18 20 0 -19 23 15 -18 13 40 0.00 -165 0 0 -19 19 56 23 11 53.3 13 119 76 -19 48 18 -18 51 34 -19 54 36 -18 45 15 0.00 -164 0 0 -19 50 50 23 11 54.9 14 119 75 -20 19 6 -19 22 34 -20 25 23 -19 16 17 -0.01 -163 0 0 -20 21 11 23 11 56.6 15 118 74 -20 49 22 -19 53 1 -20 55 37 -19 46 45 -0.01 -162 0 0 -20 50 58 23 11 58.5 16 118 73 -21 19 3 -20 22 54 -21 25 17 -20 16 39 -0.01 -161 0 0 -21 20 11 23 12 0.4 17 118 73 -21 48 10 -20 52 12 -21 54 22 -20 45 59 -0.01 -160 0 0 -21 48 49 23 12 2.5 18 117 72 -22 16 42 -21 20 56 -22 22 53 -21 14 45 -0.01 -159 0 0 -22 16 53 23 12 4.7 19 117 71 -22 44 39 -21 49 6 -22 50 49 -21 42 55 -0.01 -158 0 0 -22 44 21 23 12 6.9 20 116 70 -23 12 2 -22 16 40 -23 18 11 -22 10 31 -0.01 -157 0 0 -23 11 14 23 12 9.3 21 116 69 -23 38 49 -22 43 39 -23 44 57 -22 37 31 -0.01 -156 0 0 -23 37 32 23 12 11.7 22 116 68 -24 5 1 -23 10 3 -24 11 8 -23 3 57 -0.01 -155 0 0 -24 3 15 23 12 14.3 23 115 67 -24 30 38 -23 35 52 -24 36 43 -23 29 47 -0.01 -154 0 0 -24 28 22 23 12 16.9 24 115 66 -24 55 40 -24 1 5 -25 1 43 -23 55 1 -0.01 -153 0 0 -24 52 54 23 12 19.7 25 114 65 -25 20 6 -24 25 42 -25 26 8 -24 19 40 -0.01 -152 0 0 -25 16 50 23 12 22.5 26 114 64 -25 43 56 -24 49 44 -25 49 57 -24 43 43 -0.01 -151 0 0 -25 40 11 23 12 25.4 27 114 63 -26 7 11 -25 13 10 -26 13 11 -25 7 10 -0.02 -150 0 0 -26 2 56 23 12 28.3 28 113 62 -26 29 51 -25 36 1 -26 35 49 -25 30 2 -0.02 -149 0 0 -26 25 6 23 12 31.4 29 113 61 -26 51 55 -25 58 16 -26 57 52 -25 52 19 -0.02 -148 0 0 -26 46 40 23 12 34.5 30 112 60 -27 13 24 -26 19 56 -27 19 20 -26 14 0 -0.02 -147 0 0 -27 7 39 23 12 37.7 31 112 59 -27 34 17 -26 41 0 -27 40 12 -26 35 5 -0.02 -146 0 0 -27 28 3 23 12 41.0 32 111 58 -27 54 36 -27 1 29 -28 0 29 -26 55 35 -0.02 -145 0 0 -27 47 51 23 12 44.3 33 111 57 -28 14 19 -27 21 23 -28 20 12 -27 15 30 -0.02 -144 0 0 -28 7 4 23 12 47.7 34 110 56 -28 33 27 -27 40 41 -28 39 19 -27 34 49 -0.02 -143 0 0 -28 25 43 23 12 51.2 35 110 56 -28 52 0 -27 59 24 -28 57 51 -27 53 34 -0.02 -142 0 0 -28 43 46 23 12 54.7 36 109 55 -29 9 59 -28 17 33 -29 15 48 -28 11 43 -0.02 -141 0 0 -29 1 15 23 12 58.3 37 109 54 -29 27 23 -28 35 6 -29 33 11 -28 29 18 -0.02 -140 0 0 -29 18 9 23 13 2.0 38 109 53 -29 44 13 -28 52 5 -29 50 0 -28 46 18 -0.02 -139 0 0 -29 34 29 23 13 5.7 39 108 52 -30 0 28 -29 8 29 -30 6 14 -29 2 43 -0.02 -138 0 0 -29 50 14 23 13 9.4 40 108 51 -30 16 9 -29 24 19 -30 21 54 -29 18 34 -0.02 -137 0 0 -30 5 25 23 13 13.2 41 107 50 -30 31 16 -29 39 35 -30 37 0 -29 33 50 -0.02 -136 0 0 -30 20 3 23 13 17.1 41 107 49 -30 45 49 -29 54 16 -30 51 32 -29 48 32 -0.02 -135 0 0 -30 34 6 23 13 21.0 42 106 48 -30 59 48 -30 8 24 -31 5 31 -30 2 41 -0.02 -134 0 0 -30 47 36 23 13 25.0 43 106 48 -31 13 14 -30 21 57 -31 18 56 -30 16 15 -0.02 -133 0 0 -31 0 32 23 13 29.0 44 105 47 -31 26 7 -30 34 57 -31 31 48 -30 29 16 -0.02 -132 0 0 -31 12 55 23 13 33.1 45 105 46 -31 38 26 -30 47 23 -31 44 6 -30 41 43 -0.02 -131 0 0 -31 24 44 23 13 37.2 46 104 45 -31 50 12 -30 59 16 -31 55 51 -30 53 37 -0.02 -130 0 0 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82 0 0 -30 8 57 23 17 45.2 87 128 3 -30 34 48 -29 43 6 -30 40 32 -29 37 22 -0.04 - 81 0 0 -29 53 46 23 17 51.1 87 154 2 -30 19 41 -29 27 51 -30 25 26 -29 22 5 -0.05 - 80 0 0 -29 38 0 23 17 57.1 87 185 1 -30 3 59 -29 12 0 -30 9 46 -29 6 13 -0.05 - 79 0 0 -29 21 38 23 18 3.1 87 207 0 -29 47 42 -28 55 34 -29 53 30 -28 49 46 -0.04 - 78 0 0 -29 4 41 23 18 9.2 86 219 -1 -29 30 50 -28 38 32 -29 36 39 -28 32 43 -0.04 - 77 0 0 -28 47 9 23 18 15.3 86 226 -2 -29 13 23 -28 20 55 -29 19 12 -28 15 5 -0.03 - 76 0 0 -28 29 0 23 18 21.4 85 231 -3 -28 55 19 -28 2 41 -29 1 10 -27 56 50 -0.03 - 75 0 0 -28 10 16 23 18 27.5 84 234 -4 -28 36 40 -27 43 51 -28 42 32 -27 37 59 -0.03 - 74 0 0 -27 50 55 23 18 33.7 83 236 -5 -28 17 25 -27 24 26 -28 23 18 -27 18 32 -0.03 - 73 0 0 -27 30 59 23 18 39.8 82 237 -6 -27 57 33 -27 4 23 -28 3 27 -26 58 29 -0.03 - 72 0 0 -27 10 25 23 18 46.1 81 238 -7 -27 37 5 -26 43 44 -27 43 1 -26 37 49 -0.03 - 71 0 0 -26 49 15 23 18 52.3 80 239 -7 -27 16 1 -26 22 29 -27 21 58 -26 16 32 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18 -21 12 53 -0.02 - 58 0 0 -21 17 54 23 20 14.9 67 239 -21 -21 46 0 -20 49 48 -21 52 14 -20 43 34 -0.02 - 57 0 0 -20 48 6 23 20 21.3 66 239 -22 -21 16 18 -20 19 54 -21 22 34 -20 13 38 -0.02 - 56 0 0 -20 17 42 23 20 27.7 65 239 -23 -20 46 0 -19 49 23 -20 52 17 -19 43 6 -0.02 - 55 0 0 -19 46 42 23 20 34.1 64 238 -24 -20 15 6 -19 18 17 -20 21 25 -19 11 58 -0.02 - 54 0 0 -19 15 5 23 20 40.4 63 238 -25 -19 43 36 -18 46 34 -19 49 56 -18 40 14 -0.02 - 53 0 0 -18 42 54 23 20 46.7 62 238 -26 -19 11 31 -18 14 16 -19 17 52 -18 7 55 -0.02 - 52 0 0 -18 10 7 23 20 53.1 61 238 -27 -18 38 51 -17 41 24 -18 45 14 -17 35 1 -0.02 - 51 0 0 -17 36 46 23 20 59.3 60 238 -28 -18 5 36 -17 7 56 -18 12 0 -17 1 32 -0.02 - 50 0 0 -17 2 52 23 21 5.6 58 237 -29 -17 31 47 -16 33 55 -17 38 13 -16 27 30 -0.02 - 49 0 0 -16 28 23 23 21 11.8 57 237 -30 -16 57 25 -15 59 21 -17 3 52 -15 52 54 -0.02 - 48 0 0 -15 53 22 23 21 18.0 56 237 -32 -16 22 29 -15 24 14 -16 28 58 -15 17 46 -0.02 - 47 0 0 -15 17 49 23 21 24.1 55 237 -33 -15 47 2 -14 48 35 -15 53 31 -14 42 5 -0.02 - 46 0 0 -14 41 44 23 21 30.2 54 237 -34 -15 11 3 -14 12 24 -15 17 34 -14 5 53 -0.02 - 45 0 0 -14 5 8 23 21 36.2 53 236 -35 -14 34 33 -13 35 43 -14 41 5 -13 29 11 -0.02 - 44 0 0 -13 28 3 23 21 42.1 52 236 -36 -13 57 33 -12 58 33 -14 4 6 -12 51 59 -0.02 - 43 0 0 -12 50 29 23 21 48.0 50 236 -37 -13 20 4 -12 20 53 -13 26 38 -12 14 19 -0.02 - 42 0 0 -12 12 27 23 21 53.9 49 236 -38 -12 42 7 -11 42 46 -12 48 43 -11 36 10 -0.02 - 41 0 0 -11 33 58 23 21 59.6 48 236 -40 -12 3 43 -11 4 12 -12 10 19 -10 57 35 -0.02 - 40 0 0 -10 55 3 23 22 5.3 47 235 -41 -11 24 53 -10 25 12 -11 31 30 -10 18 35 -0.02 - 39 0 0 -10 15 43 23 22 10.8 46 235 -42 -10 45 37 - 9 45 48 -10 52 16 - 9 39 9 -0.02 - 38 0 0 - 9 35 59 23 22 16.3 44 235 -43 -10 5 58 - 9 6 0 -10 12 38 - 8 59 21 -0.02 - 37 0 0 - 8 55 53 23 22 21.7 43 235 -44 - 9 25 56 - 8 25 50 - 9 32 37 - 8 19 10 -0.01 - 36 0 0 - 8 15 26 23 22 27.0 42 235 -45 - 8 45 33 - 7 45 19 - 8 52 14 - 7 38 38 -0.01 - 35 0 0 - 7 34 39 23 22 32.2 41 235 -47 - 8 4 50 - 7 4 29 - 8 11 32 - 6 57 47 -0.01 - 34 0 0 - 6 53 34 23 22 37.3 40 235 -48 - 7 23 48 - 6 23 20 - 7 30 30 - 6 16 37 -0.01 - 33 0 0 - 6 12 12 23 22 42.3 38 235 -49 - 6 42 28 - 5 41 55 - 6 49 12 - 5 35 11 -0.01 - 32 0 0 - 5 30 34 23 22 47.1 37 235 -50 - 6 0 53 - 5 0 14 - 6 7 37 - 4 53 30 -0.01 - 31 0 0 - 4 48 41 23 22 51.8 36 234 -51 - 5 19 3 - 4 18 19 - 5 25 48 - 4 11 34 -0.01 - 30 0 0 - 4 6 37 23 22 56.4 35 234 -52 - 4 37 1 - 3 36 12 - 4 43 46 - 3 29 27 -0.01 - 29 0 0 - 3 24 21 23 23 0.9 33 234 -54 - 3 54 47 - 2 53 54 - 4 1 32 - 2 47 8 -0.01 - 28 0 0 - 2 41 55 23 23 5.2 32 234 -55 - 3 12 23 - 2 11 27 - 3 19 9 - 2 4 41 -0.01 - 27 0 0 - 1 59 22 23 23 9.4 31 234 -56 - 2 29 51 - 1 28 52 - 2 36 37 - 1 22 6 -0.01 - 26 0 0 - 1 16 42 23 23 13.4 30 234 -57 - 1 47 13 - 0 46 12 - 1 53 59 - 0 39 25 -0.01 - 25 0 0 - 0 33 58 23 23 17.3 28 234 -58 - 1 4 29 - 0 3 26 - 1 11 16 0 3 21 -0.01 - 24 0 0 0 8 50 23 23 21.0 27 234 -59 - 0 21 42 0 39 21 - 0 28 29 0 46 9 -0.01 - 23 0 0 0 51 38 23 23 24.6 26 234 -61 0 21 6 1 22 11 0 14 20 1 28 58 -0.01 - 22 0 0 1 34 27 23 23 28.0 25 234 -62 1 3 55 2 4 59 0 57 8 2 11 46 -0.01 - 21 0 0 2 17 14 23 23 31.3 24 234 -63 1 46 42 2 47 45 1 39 56 2 54 32 -0.01 - 20 0 0 2 59 57 23 23 34.4 22 234 -64 2 29 26 3 30 28 2 22 40 3 37 15 -0.01 - 19 0 0 3 42 35 23 23 37.3 21 234 -65 3 12 6 4 13 5 3 5 19 4 19 52 -0.01 - 18 0 0 4 25 7 23 23 40.1 20 235 -66 3 54 38 4 55 36 3 47 52 5 2 22 -0.01 - 17 0 0 5 7 30 23 23 42.7 19 235 -67 4 37 3 5 37 58 4 30 18 5 44 44 0.00 - 16 0 0 5 49 44 23 23 45.1 17 235 -68 5 19 19 6 20 9 5 12 33 6 26 55 0.00 - 15 0 0 6 31 47 23 23 47.4 16 235 -69 6 1 23 7 2 10 5 54 38 7 8 55 0.00 - 14 0 0 7 13 36 23 23 49.5 15 235 -70 6 43 16 7 43 57 6 36 31 7 50 42 0.00 - 13 0 0 7 55 12 23 23 51.4 14 235 -71 7 24 54 8 25 30 7 18 10 8 32 14 0.00 - 12 0 0 8 36 32 23 23 53.2 13 235 -72 8 6 17 9 6 47 7 59 33 9 13 31 0.00 - 11 0 0 9 17 35 23 23 54.8 11 235 -73 8 47 23 9 47 47 8 40 40 9 54 30 0.00 - 10 0 0 9 58 20 23 23 56.2 10 236 -74 9 28 11 10 28 29 9 21 29 10 35 11 0.00 - 9 0 0 10 38 45 23 23 57.5 9 236 -75 10 8 40 11 8 51 10 1 59 11 15 32 0.00 - 8 0 0 11 18 50 23 23 58.6 8 236 -76 10 48 49 11 48 52 10 42 8 11 55 32 0.01 - 7 0 0 11 58 33 23 23 59.5 7 236 -76 11 28 35 12 28 30 11 21 56 12 35 10 0.01 - 6 0 0 12 37 53 23 24 0.3 5 236 -77 12 8 0 13 7 46 12 1 21 13 14 25 0.02 - 5 0 0 13 16 49 23 24 0.9 4 237 -78 12 47 0 13 46 38 12 40 22 13 53 15 0.02 - 4 0 0 13 55 20 23 24 1.4 3 237 -78 13 25 35 14 25 4 13 18 59 14 31 41 0.04 - 3 0 0 14 33 24 23 24 1.7 2 237 -79 14 3 45 15 3 4 13 57 10 15 9 40 0.07 - 2 0 0 15 11 2 23 24 1.9 1 237 -79 14 41 28 15 40 37 14 34 53 15 47 12 0.21 Uncertainty in time = +/- 2 secs Prediction of 2022 Aug 20.1 Data for the target star ------------------------ * name: TYC 7423-01933-1 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 19 13 58.7472 DE: -31 15 33.950 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 19 13 58.7470 DE: -31 15 33.950 * position source: Gaia EDR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 11.9 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (567) Eleutheria asteroid class: approx. diameter [km]: 92 approx. diameter ["]: 0.041 distance from Earth [AU]: 3.08270 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#54 date of fit: 2022 Aug 01 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): 0.012", 0.003", 89.092° remarks: * orbital elements for (567)Eleutheria : Mean anomaly = 102.8360638252 deg Arg. of pericenter = 133.7039689657 deg Long. of node = 58.2504036669 deg Inclination = 9.2555385414 deg Eccentricity = 0.0893624023 Semimajor axis = 3.1326234577 AU Perihelion dist = 2.8526847001 AU Mag: H = 9.23, G = 0.15 Epoch of elements : MJD 59862.97076389 TDT (2022 Oct 10.9708) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#542022Aug01,5.31,2022,10,10,23.298074,-0.007969,0.027450,9.347577,2.778089,0.005781,0.000738,0.000000,0.000000 -80.1517,-31.2221,-172.75,-6.92,False TYC 7423-01933-1,19.23298531,-31.2594305,0.00,11.92,0.00,0.0,0,,19.25703769,-31.2220512,3.28,0.00,0,0,0 567,Eleutheria,15.15,91.8,3.0827,0,0,2.079,7.93,,4.2,0 0,102.6635,2022,10,10,133.7040,58.2504,9.2555,0.08936,3.13262,2.85268,9.23,5.0,0.15 1.111,0.0120,0.0033,89,0.0046,Known errors,-1.00,-1,-1,-1 20221010_1933-1,59811.11 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Aug 20, 02:39 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org