IOTA/IOTA-ES occultation update for (1351) Uzbekistania / G181657.6-322726 event on 2024 Oct 13, 14:08 UT Visible from Summary ------- On 2024 Oct 13 UT, the 68.2200728132359 km diameter asteroid (1351) Uzbekistania will occult a 11.9 mag star in the constellation Sagittarius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 4.41 mag to 16.26 mag (the magnitude of the asteroid) for at most 3.310 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: 2024 Oct 13, 14:04 - 2024 Oct 13, 14:12 * geocentric midpoint of event [JD]: 2460597.08914133 * magnitude of target star: 11.87 * magnitude drop [mag]: 4.41 * estimated maximum duration [s]: 3.310 * Moon: 80 % sunlit, 53° distance * Sun: 73° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 87 * 1 sigma uncertainty interval [path widths]: +/- 0.14 * 1 sigma uncertainty interval [seconds]: +/- 1.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.018, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.018", 0.003", 90°) * approx speed of asteroid's shadow [km/s]: 24.3964 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of G181657.6-322726 by 1351 Uzbekistania on 2024 Oct 13 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 - 43 0 0 7 55 51 14 4 19.3 1 123 72 7 27 59 8 23 49 7 20 3 8 31 49 7 36 36 8 15 8 .... - 42 0 0 7 17 46 14 4 19.5 2 123 73 6 50 0 7 45 38 6 42 6 7 53 36 6 58 36 7 36 59 -0.19 - 41 0 0 6 40 7 14 4 19.7 3 123 74 6 12 28 7 7 53 6 4 35 7 15 50 6 21 1 6 59 16 -0.26 - 40 0 0 6 2 56 14 4 20.1 4 123 75 5 35 22 6 30 35 5 27 31 6 38 30 5 43 54 6 22 0 -0.30 - 39 0 0 5 26 12 14 4 20.6 6 123 76 4 58 45 5 53 45 4 50 56 6 1 39 5 7 15 5 45 12 -0.32 - 38 0 0 4 49 58 14 4 21.2 7 124 77 4 22 37 5 17 25 4 14 49 5 25 16 4 31 5 5 8 53 -0.33 - 37 0 0 4 14 13 14 4 21.9 8 124 77 3 46 59 4 41 34 3 39 13 4 49 23 3 55 25 4 33 5 -0.34 - 36 0 0 3 38 59 14 4 22.8 9 124 78 3 11 51 4 6 14 3 4 7 4 14 1 3 20 15 3 57 46 -0.35 - 35 0 0 3 4 17 14 4 23.7 10 124 79 2 37 15 3 31 25 2 29 33 3 39 11 2 45 38 3 23 0 -0.35 - 34 0 0 2 30 8 14 4 24.8 11 124 79 2 3 12 2 57 9 1 55 32 3 4 53 2 11 32 2 48 46 -0.36 - 33 0 0 1 56 31 14 4 25.9 12 124 80 1 29 42 2 23 26 1 22 3 2 31 8 1 38 0 2 15 5 -0.36 - 32 0 0 1 23 28 14 4 27.2 14 124 80 0 56 45 1 50 17 0 49 9 1 57 57 1 5 2 1 41 57 -0.36 - 31 0 0 0 51 0 14 4 28.6 15 124 80 0 24 23 1 17 42 0 16 49 1 25 20 0 32 38 1 9 25 -0.37 - 30 0 0 0 19 6 14 4 30.1 16 124 80 - 0 7 24 0 45 42 - 0 14 57 0 53 18 0 0 49 0 37 27 -0.37 - 29 0 0 - 0 12 12 14 4 31.6 17 124 80 - 0 38 35 0 14 18 - 0 46 7 0 21 52 - 0 30 25 0 6 4 -0.37 - 28 0 0 - 0 42 53 14 4 33.3 18 124 80 - 1 9 11 - 0 16 31 - 1 16 40 - 0 8 58 - 1 1 2 - 0 24 42 -0.37 - 27 0 0 - 1 12 59 14 4 35.1 19 124 80 - 1 39 10 - 0 46 42 - 1 46 38 - 0 39 11 - 1 31 4 - 0 54 52 -0.37 - 26 0 0 - 1 42 27 14 4 36.9 20 124 79 - 2 8 32 - 1 16 17 - 2 15 58 - 1 8 48 - 2 0 28 - 1 24 24 -0.38 - 25 0 0 - 2 11 18 14 4 38.9 21 124 79 - 2 37 17 - 1 45 14 - 2 44 42 - 1 37 47 - 2 29 15 - 1 53 20 -0.38 - 24 0 0 - 2 39 32 14 4 40.9 23 124 78 - 3 5 25 - 2 13 34 - 3 12 47 - 2 6 8 - 2 57 24 - 2 21 37 -0.38 - 23 0 0 - 3 7 7 14 4 43.1 24 124 77 - 3 32 54 - 2 41 15 - 3 40 15 - 2 33 51 - 3 24 55 - 2 49 17 -0.38 - 22 0 0 - 3 34 5 14 4 45.3 25 124 77 - 3 59 46 - 3 8 19 - 4 7 5 - 3 0 56 - 3 51 49 - 3 16 19 -0.38 - 21 0 0 - 4 0 24 14 4 47.6 26 124 76 - 4 25 59 - 3 34 43 - 4 33 16 - 3 27 23 - 4 18 3 - 3 42 41 -0.38 - 20 0 0 - 4 26 4 14 4 50.0 27 124 75 - 4 51 33 - 4 0 29 - 4 58 49 - 3 53 10 - 4 43 39 - 4 8 25 -0.38 - 19 0 0 - 4 51 5 14 4 52.4 28 124 74 - 5 16 29 - 4 25 36 - 5 23 43 - 4 18 18 - 5 8 37 - 4 33 30 -0.38 - 18 0 0 - 5 15 27 14 4 55.0 29 124 73 - 5 40 45 - 4 50 3 - 5 47 58 - 4 42 48 - 5 32 55 - 4 57 56 -0.38 - 17 0 0 - 5 39 9 14 4 57.6 30 124 72 - 6 4 22 - 5 13 51 - 6 11 33 - 5 6 37 - 5 56 34 - 5 21 42 -0.39 - 16 0 0 - 6 2 12 14 5 0.3 31 125 71 - 6 27 20 - 5 37 0 - 6 34 30 - 5 29 47 - 6 19 33 - 5 44 49 -0.39 - 15 0 0 - 6 24 36 14 5 3.0 32 125 70 - 6 49 39 - 5 59 29 - 6 56 47 - 5 52 18 - 6 41 53 - 6 7 17 -0.39 - 14 0 0 - 6 46 20 14 5 5.9 33 125 69 - 7 11 18 - 6 21 18 - 7 18 25 - 6 14 9 - 7 3 34 - 6 29 5 -0.39 - 13 0 0 - 7 7 25 14 5 8.8 34 125 68 - 7 32 17 - 6 42 28 - 7 39 23 - 6 35 20 - 7 24 35 - 6 50 12 -0.39 - 12 0 0 - 7 27 50 14 5 11.7 35 125 67 - 7 52 37 - 7 2 58 - 7 59 41 - 6 55 51 - 7 44 57 - 7 10 41 -0.39 - 11 0 0 - 7 47 35 14 5 14.8 36 125 66 - 8 12 18 - 7 22 47 - 8 19 20 - 7 15 42 - 8 4 38 - 7 30 29 -0.39 - 10 0 0 - 8 6 40 14 5 17.8 37 125 65 - 8 31 18 - 7 41 57 - 8 38 20 - 7 34 53 - 8 23 41 - 7 49 37 -0.39 - 9 0 0 - 8 25 6 14 5 21.0 38 125 64 - 8 49 40 - 8 0 27 - 8 56 40 - 7 53 24 - 8 42 3 - 8 8 6 -0.39 - 8 0 0 - 8 42 51 14 5 24.2 39 125 63 - 9 7 21 - 8 18 17 - 9 14 20 - 8 11 16 - 8 59 46 - 8 25 55 -0.39 - 7 0 0 - 8 59 57 14 5 27.5 40 125 62 - 9 24 23 - 8 35 27 - 9 31 20 - 8 28 27 - 9 16 49 - 8 43 3 -0.39 - 6 0 0 - 9 16 23 14 5 30.8 41 125 61 - 9 40 45 - 8 51 58 - 9 47 41 - 8 44 58 - 9 33 12 - 8 59 32 -0.39 - 5 0 0 - 9 32 10 14 5 34.2 42 126 60 - 9 56 28 - 9 7 48 -10 3 23 - 9 0 50 - 9 48 56 - 9 15 22 -0.39 - 4 0 0 - 9 47 17 14 5 37.6 43 126 59 -10 11 31 - 9 22 58 -10 18 25 - 9 16 1 - 10 4 0 - 9 30 31 -0.39 - 3 0 0 -10 1 44 14 5 41.1 44 126 58 -10 25 54 - 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4 47 25 - 4 12 6 -0.40 58 0 0 - 4 3 58 14 10 7.3 57 209 -3 - 4 29 37 - 3 38 15 - 4 36 55 - 3 30 53 - 4 21 41 - 3 46 14 -0.40 59 0 0 - 3 37 30 14 10 11.8 56 210 -4 - 4 3 15 - 3 11 41 - 4 10 35 - 3 4 17 - 3 55 17 - 3 19 42 -0.40 60 0 0 - 3 10 23 14 10 16.3 55 211 -6 - 3 36 13 - 2 44 27 - 3 43 35 - 2 37 2 - 3 28 13 - 2 52 30 -0.40 61 0 0 - 2 42 36 14 10 20.7 54 212 -7 - 3 8 33 - 2 16 34 - 3 15 56 - 2 9 7 - 3 0 31 - 2 24 39 -0.40 62 0 0 - 2 14 10 14 10 25.2 53 213 -8 - 2 40 13 - 1 48 1 - 2 47 38 - 1 40 32 - 2 32 9 - 1 56 8 -0.40 63 0 0 - 1 45 5 14 10 29.6 52 213 -9 - 2 11 14 - 1 18 50 - 2 18 41 - 1 11 19 - 2 3 8 - 1 26 59 -0.40 64 0 0 - 1 15 21 14 10 33.9 51 214 -10 - 1 41 37 - 0 49 0 - 1 49 6 - 0 41 27 - 1 33 29 - 0 57 11 -0.40 65 0 0 - 0 44 59 14 10 38.3 50 215 -11 - 1 11 22 - 0 18 32 - 1 18 52 - 0 10 57 - 1 3 12 - 0 26 44 -0.40 66 0 0 - 0 14 0 14 10 42.5 49 215 -12 - 0 40 29 0 12 34 - 0 48 1 0 20 11 - 0 32 17 0 4 19 -0.40 67 0 0 0 17 37 14 10 46.7 48 216 -13 - 0 8 59 0 44 18 - 0 16 33 0 51 56 - 0 0 45 0 36 1 -0.40 68 0 0 0 49 50 14 10 50.9 47 217 -14 0 23 8 1 16 38 0 15 32 1 24 18 0 31 24 1 8 19 -0.40 69 0 0 1 22 40 14 10 55.0 46 217 -15 0 55 51 1 49 34 0 48 13 1 57 16 1 4 9 1 41 13 -0.40 70 0 0 1 56 5 14 10 59.1 45 218 -16 1 29 9 2 23 6 1 21 29 2 30 50 1 37 30 2 14 43 -0.40 71 0 0 2 30 5 14 11 3.1 44 218 -17 2 3 3 2 57 12 1 55 21 3 4 58 2 11 25 2 48 47 -0.40 72 0 0 3 4 39 14 11 7.0 43 219 -18 2 37 31 3 31 54 2 29 47 3 39 41 2 45 55 3 23 26 -0.40 73 0 0 3 39 47 14 11 10.9 42 219 -20 3 12 32 4 7 8 3 4 46 4 14 58 3 20 58 3 58 39 -0.40 74 0 0 4 15 28 14 11 14.7 41 219 -21 3 48 6 4 42 56 3 40 18 4 50 47 3 56 34 4 34 24 -0.40 75 0 0 4 51 40 14 11 18.4 40 220 -22 4 24 12 5 19 15 4 16 23 5 27 8 4 32 42 5 10 41 -0.39 76 0 0 5 28 24 14 11 22.1 38 220 -23 5 0 49 5 56 5 4 52 58 6 4 0 5 9 22 5 47 29 -0.39 77 0 0 6 5 38 14 11 25.6 37 221 -24 5 37 56 6 33 25 5 30 3 6 41 22 5 46 31 6 24 47 -0.39 78 0 0 6 43 20 14 11 29.1 36 221 -25 6 15 33 7 11 14 6 7 38 7 19 13 6 24 9 7 2 35 -0.39 79 0 0 7 21 31 14 11 32.5 35 221 -26 6 53 37 7 49 31 6 45 40 7 57 32 7 2 15 7 40 50 -0.39 80 0 0 8 0 9 14 11 35.8 34 222 -27 7 32 9 8 28 15 7 24 10 8 36 18 7 40 49 8 19 32 -0.39 81 0 0 8 39 12 14 11 39.1 33 222 -28 8 11 6 9 7 25 8 3 6 9 15 29 8 19 48 8 58 39 -0.39 82 0 0 9 18 40 14 11 42.2 32 222 -29 8 50 28 9 46 59 8 42 26 9 55 5 8 59 12 9 38 12 -0.39 83 0 0 9 58 31 14 11 45.2 30 223 -30 9 30 13 10 26 56 9 22 10 10 35 4 9 38 59 10 18 7 -0.39 84 0 0 10 38 45 14 11 48.1 29 223 -31 10 10 21 11 7 15 10 2 16 11 15 25 10 19 8 10 58 24 -0.39 85 0 0 11 19 19 14 11 51.0 28 223 -32 10 50 49 11 47 55 10 42 42 11 56 6 10 59 39 11 39 2 -0.39 86 0 0 12 0 12 14 11 53.7 27 224 -33 11 31 37 12 28 53 11 23 29 12 37 6 11 40 28 12 19 59 -0.39 87 0 0 12 41 23 14 11 56.3 26 224 -34 12 12 43 13 10 10 12 4 33 13 18 24 12 21 35 13 1 14 -0.39 88 0 0 13 22 50 14 11 58.8 25 224 -35 12 54 5 13 51 42 12 45 54 13 59 58 13 2 59 13 42 44 -0.39 89 0 0 14 4 32 14 12 1.2 23 225 -36 13 35 42 14 33 29 13 27 30 14 41 46 13 44 38 14 24 30 -0.39 90 0 0 14 46 28 14 12 3.5 22 225 -37 14 17 33 15 15 29 14 9 19 15 23 48 14 26 30 15 6 28 -0.39 91 0 0 15 28 35 14 12 5.6 21 225 -38 14 59 36 15 57 41 14 51 21 16 6 0 15 8 34 15 48 39 -0.39 92 0 0 16 10 52 14 12 7.7 20 226 -39 15 41 49 16 40 2 15 33 32 16 48 23 15 50 48 16 30 59 -0.39 93 0 0 16 53 17 14 12 9.6 19 226 -40 16 24 10 17 22 32 16 15 53 17 30 54 16 33 11 17 13 27 -0.39 94 0 0 17 35 50 14 12 11.4 17 226 -41 17 6 39 18 5 8 16 58 21 18 13 31 17 15 41 17 56 2 -0.39 95 0 0 18 18 27 14 12 13.1 16 227 -42 17 49 13 18 47 49 17 40 54 18 56 13 17 58 16 18 38 42 -0.39 96 0 0 19 1 8 14 12 14.7 15 227 -43 18 31 51 19 30 33 18 23 31 19 38 58 18 40 55 19 21 25 -0.39 97 0 0 19 43 51 14 12 16.1 14 228 -44 19 14 31 20 13 19 19 6 10 20 21 45 19 23 36 20 4 10 -0.39 98 0 0 20 26 34 14 12 17.5 13 228 -44 19 57 11 20 56 4 19 48 49 21 4 31 20 6 17 20 46 55 -0.39 99 0 0 21 9 15 14 12 18.7 12 228 -45 20 39 50 21 38 48 20 31 27 21 47 15 20 48 56 21 29 37 -0.39 100 0 0 21 51 53 14 12 19.8 10 229 -46 21 22 26 22 21 28 21 14 3 22 29 56 21 31 33 22 12 17 -0.39 101 0 0 22 34 26 14 12 20.7 9 229 -47 22 4 57 23 4 2 21 56 34 23 12 31 22 14 5 22 54 51 -0.39 102 0 0 23 16 53 14 12 21.6 8 229 -48 22 47 22 23 46 30 22 38 58 23 54 59 22 56 30 23 37 18 -0.39 103 0 0 23 59 11 14 12 22.3 7 230 -48 23 29 39 24 28 50 23 21 15 24 37 19 23 38 48 24 19 37 -0.39 104 0 0 24 41 19 14 12 22.9 6 230 -49 24 11 47 25 10 59 24 3 22 25 19 28 24 20 56 25 1 46 -0.39 105 0 0 25 23 16 14 12 23.4 5 231 -50 24 53 44 25 52 56 24 45 19 26 1 26 25 2 52 25 43 44 -0.39 106 0 0 26 5 0 14 12 23.8 3 231 -50 25 35 28 26 34 41 25 27 3 26 43 11 25 44 36 26 25 28 -0.40 107 0 0 26 46 30 14 12 24.1 2 232 -51 26 16 57 27 16 10 26 8 33 27 24 40 26 26 6 27 6 58 -0.40 108 0 0 27 27 44 14 12 24.3 1 232 -51 26 58 12 27 57 24 26 49 47 28 5 53 27 7 20 27 48 11 -0.40 109 0 0 28 8 40 14 12 24.3 0 233 -52 27 39 9 .. .. .. 27 30 44 .. .. .. 27 48 17 ... .. .. -0.53 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: G181657.6-322726 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 18 16 57.6081 DE: -32 27 25.589 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 18 16 57.6081 DE: -32 27 25.589 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.800,0.600) * V mag [mag]: 11.9 * B mag [mag]: 15.4 * Diameter [mas]: 4.90 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1351) Uzbekistania asteroid class: approx. diameter [km]: 68 approx. diameter ["]: 0.027 distance from Earth [AU]: 3.51450 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#59 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): 0.018", 0.003", 89.835° remarks: * orbital elements for (1351)Uzbekistania : Mean anomaly = 221.1733897819 deg Arg. of pericenter = 64.5892701494 deg Long. of node = 9.3054822620 deg Inclination = 9.6415783479 deg Eccentricity = 0.0691313658 Semimajor axis = 3.1963444087 AU Perihelion dist = 2.9753767540 AU Mag: H = 10.01, G = 0.15 Epoch of elements : MJD 60596.58914096 TDT (2024 Oct 13.5891) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#592023Apr24,3.31,2024,10,13,14.139392,-0.077745,0.364340,13.470009,2.858750,0.005623,-0.000087,0.000000,0.000000 39.9236,-32.4500,-35.56,-8.10,False G181657.6-322726,18.28266895,-32.4571082,15.40,11.87,9.96,4.9,0,,18.30948910,-32.4499965,4.41,5.85,0,0,1 1351,Uzbekistania,16.26,80.710,3.5145,0,0,2.663,7.15,,3.6,0 0,221.0718,2024,10,13,64.5893,9.3055,9.6416,0.06913,3.19634,2.97538,10.01,5.0,0.15 1.143,0.0184,0.0026,90,0.0045,Known errors,0.88,0,-1,-1 20241013_322726,60140.63 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 15:08 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org