IOTA/IOTA-ES occultation update for (5413) Smyslov / TYC 5254-00086-1 event on 2024 Aug 07, 00:09 UT Visible from Summary ------- On 2024 Aug 07 UT, the 18.809129833307 km diameter asteroid (5413) Smyslov will occult a 10.0 mag star in the constellation Pisces for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.98 mag to 17.98 mag (the magnitude of the asteroid) for at most 2.180 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 Aug 06, 23:57 - 2024 Aug 07, 00:21 * geocentric midpoint of event [JD]: 2460529.50671492 * magnitude of target star: 10.00 * magnitude drop [mag]: 7.98 * estimated maximum duration [s]: 2.180 * Moon: 6 % sunlit, 169° distance * Sun: 141° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 20 * 1 sigma uncertainty interval [path widths]: +/- 0.20 * 1 sigma uncertainty interval [seconds]: +/- 4.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.018, +/- 0.008) * 1 sigma uncertainty ellipse (major, minor, PA): (0.019", 0.002", 66°) * approx speed of asteroid's shadow [km/s]: 8.7101 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5254-00086-1 by 5413 Smyslov on 2024 Aug 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 - 58 0 0 -40 2 40 0 21 22.3 1 93 -38 -39 57 19 -40 8 1 -39 55 9 -40 10 11 .... - 57 0 0 -40 5 6 0 21 22.1 1 92 -38 -39 59 45 -40 10 27 -39 57 36 -40 12 37 0.22 - 56 0 0 -40 7 12 0 21 21.8 2 92 -39 -40 1 51 -40 12 33 -39 59 42 -40 14 43 0.24 - 55 0 0 -40 8 57 0 21 21.4 3 91 -40 -40 3 36 -40 14 18 -40 1 27 -40 16 28 0.25 - 54 0 0 -40 10 22 0 21 20.8 4 90 -41 -40 5 1 -40 15 43 -40 2 52 -40 17 53 0.26 - 53 0 0 -40 11 27 0 21 20.1 4 90 -41 -40 6 6 -40 16 48 -40 3 57 -40 18 57 0.26 - 52 0 0 -40 12 11 0 21 19.2 5 89 -42 -40 6 50 -40 17 32 -40 4 41 -40 19 42 0.27 - 51 0 0 -40 12 35 0 21 18.2 6 89 -43 -40 7 14 -40 17 56 -40 5 5 -40 20 6 0.27 - 50 0 0 -40 12 39 0 21 17.1 7 88 -44 -40 7 18 -40 18 0 -40 5 9 -40 20 10 0.27 - 49 0 0 -40 12 23 0 21 15.8 7 87 -44 -40 7 2 -40 17 44 -40 4 53 -40 19 54 0.27 - 48 0 0 -40 11 47 0 21 14.5 8 87 -45 -40 6 26 -40 17 8 -40 4 16 -40 19 17 0.27 - 47 0 0 -40 10 50 0 21 12.9 9 86 -46 -40 5 29 -40 16 11 -40 3 19 -40 18 21 0.28 - 46 0 0 -40 9 33 0 21 11.3 10 85 -46 -40 4 12 -40 14 55 -40 2 3 -40 17 4 0.28 - 45 0 0 -40 7 57 0 21 9.5 11 85 -47 -40 2 35 -40 13 18 -40 0 26 -40 15 28 0.28 - 44 0 0 -40 6 0 0 21 7.6 11 84 -48 -40 0 38 -40 11 21 -39 58 29 -40 13 31 0.28 - 43 0 0 -40 3 43 0 21 5.6 12 83 -49 -39 58 22 -40 9 5 -39 56 12 -40 11 15 0.28 - 42 0 0 -40 1 6 0 21 3.4 13 83 -49 -39 55 45 -40 6 28 -39 53 35 -40 8 38 0.28 - 41 0 0 -39 58 10 0 21 1.1 14 82 -50 -39 52 48 -40 3 32 -39 50 38 -40 5 42 0.28 - 40 0 0 -39 54 53 0 20 58.6 14 81 -51 -39 49 31 -40 0 15 -39 47 21 -40 2 25 0.28 - 39 0 0 -39 51 16 0 20 56.1 15 81 -51 -39 45 54 -39 56 39 -39 43 44 -39 58 49 0.28 - 38 0 0 -39 47 20 0 20 53.4 16 80 -52 -39 41 57 -39 52 42 -39 39 47 -39 54 52 0.28 - 37 0 0 -39 43 3 0 20 50.5 17 80 -53 -39 37 40 -39 48 26 -39 35 30 -39 50 36 0.28 - 36 0 0 -39 38 27 0 20 47.5 17 79 -54 -39 33 4 -39 43 50 -39 30 53 -39 46 0 0.28 - 35 0 0 -39 33 30 0 20 44.4 18 78 -54 -39 28 7 -39 38 54 -39 25 57 -39 41 4 0.28 - 34 0 0 -39 28 14 0 20 41.2 19 78 -55 -39 22 51 -39 33 38 -39 20 40 -39 35 48 0.28 - 33 0 0 -39 22 38 0 20 37.8 20 77 -56 -39 17 14 -39 28 2 -39 15 4 -39 30 13 0.28 - 32 0 0 -39 16 42 0 20 34.3 20 76 -56 -39 11 18 -39 22 6 -39 9 7 -39 24 17 0.29 - 31 0 0 -39 10 26 0 20 30.7 21 76 -57 -39 5 1 -39 15 51 -39 2 51 -39 18 1 0.29 - 30 0 0 -39 3 50 0 20 26.9 22 75 -58 -38 58 25 -39 9 15 -38 56 14 -39 11 26 0.29 - 29 0 0 -38 56 54 0 20 23.0 23 74 -58 -38 51 29 -39 2 20 -38 49 18 -39 4 31 0.29 - 28 0 0 -38 49 39 0 20 19.0 23 74 -59 -38 44 13 -38 55 4 -38 42 2 -38 57 16 0.29 - 27 0 0 -38 42 3 0 20 14.8 24 73 -60 -38 36 38 -38 47 29 -38 34 26 -38 49 41 0.29 - 26 0 0 -38 34 8 0 20 10.4 25 72 -60 -38 28 42 -38 39 35 -38 26 30 -38 41 46 0.29 - 25 0 0 -38 25 53 0 20 6.0 26 72 -61 -38 20 26 -38 31 20 -38 18 15 -38 33 32 0.29 - 24 0 0 -38 17 18 0 20 1.4 27 71 -62 -38 11 51 -38 22 45 -38 9 39 -38 24 57 0.29 - 23 0 0 -38 8 23 0 19 56.7 27 70 -62 -38 2 56 -38 13 51 -38 0 44 -38 16 3 0.29 - 22 0 0 -37 59 9 0 19 51.8 28 70 -63 -37 53 41 -38 4 37 -37 51 29 -38 6 49 0.29 - 21 0 0 -37 49 34 0 19 46.8 29 69 -64 -37 44 6 -37 55 3 -37 41 54 -37 57 15 0.29 - 20 0 0 -37 39 40 0 19 41.6 30 68 -64 -37 34 11 -37 45 9 -37 31 59 -37 47 22 0.29 - 19 0 0 -37 29 26 0 19 36.3 30 68 -65 -37 23 57 -37 34 55 -37 21 44 -37 37 8 0.29 - 18 0 0 -37 18 52 0 19 30.9 31 67 -65 -37 13 23 -37 24 22 -37 11 10 -37 26 35 0.29 - 17 0 0 -37 7 59 0 19 25.3 32 66 -66 -37 2 29 -37 13 29 -37 0 16 -37 15 42 0.29 - 16 0 0 -36 56 46 0 19 19.6 33 66 -67 -36 51 15 -37 2 17 -36 49 2 -37 4 30 0.29 - 15 0 0 -36 45 13 0 19 13.7 34 65 -67 -36 39 42 -36 50 44 -36 37 28 -36 52 58 0.29 - 14 0 0 -36 33 20 0 19 7.7 34 64 -68 -36 27 49 -36 38 52 -36 25 35 -36 41 6 0.29 - 13 0 0 -36 21 8 0 19 1.6 35 64 -68 -36 15 36 -36 26 41 -36 13 22 -36 28 55 0.29 - 12 0 0 -36 8 37 0 18 55.3 36 63 -69 -36 3 4 -36 14 9 -36 0 50 -36 16 24 0.29 - 11 0 0 -35 55 45 0 18 48.8 37 62 -69 -35 50 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31 - 4 7 31 0.28 77 0 0 - 3 37 28 0 2 47.8 51 270 -14 - 3 31 46 - 3 43 9 - 3 29 28 - 3 45 27 0.28 78 0 0 - 3 15 39 0 2 37.3 50 270 -13 - 3 9 58 - 3 21 20 - 3 7 40 - 3 23 38 0.28 79 0 0 - 2 54 6 0 2 27.0 49 269 -12 - 2 48 25 - 2 59 46 - 2 46 8 - 3 2 4 0.28 80 0 0 - 2 32 48 0 2 16.7 48 269 -11 - 2 27 8 - 2 38 28 - 2 24 50 - 2 40 45 0.28 81 0 0 - 2 11 46 0 2 6.7 47 268 -10 - 2 6 6 - 2 17 26 - 2 3 49 - 2 19 43 0.28 82 0 0 - 1 51 0 0 1 56.8 46 268 -9 - 1 45 21 - 1 56 40 - 1 43 4 - 1 58 56 0.28 83 0 0 - 1 30 31 0 1 47.1 45 268 -8 - 1 24 53 - 1 36 10 - 1 22 36 - 1 38 27 0.28 84 0 0 - 1 10 20 0 1 37.6 44 267 -7 - 1 4 42 - 1 15 58 - 1 2 25 - 1 18 15 0.28 85 0 0 - 0 50 26 0 1 28.2 43 267 -6 - 0 44 48 - 0 56 3 - 0 42 32 - 0 58 20 0.28 86 0 0 - 0 30 49 0 1 19.0 42 267 -5 - 0 25 12 - 0 36 27 - 0 22 56 - 0 38 43 0.28 87 0 0 - 0 11 31 0 1 10.0 42 267 -4 - 0 5 55 - 0 17 8 - 0 3 39 - 0 19 24 0.28 88 0 0 0 7 28 0 1 1.1 41 266 -3 0 13 5 0 1 52 0 15 20 - 0 0 23 0.28 89 0 0 0 26 9 0 0 52.5 40 266 -2 0 31 45 0 20 33 0 34 0 0 18 18 0.28 90 0 0 0 44 31 0 0 44.0 39 266 -1 0 50 6 0 38 55 0 52 21 0 36 40 0.28 91 0 0 1 2 33 0 0 35.7 38 266 0 1 8 7 0 56 58 1 10 22 0 54 43 0.28 92 0 0 1 20 15 0 0 27.6 37 266 1 1 25 49 1 14 41 1 28 4 1 12 26 0.28 93 0 0 1 37 37 0 0 19.7 36 265 2 1 43 11 1 32 4 1 45 25 1 29 49 0.28 94 0 0 1 54 39 0 0 12.0 35 265 3 2 0 12 1 49 6 2 2 27 1 46 51 0.28 95 0 0 2 11 20 0 0 4.5 34 265 4 2 16 53 2 5 48 2 19 7 2 3 33 0.28 96 0 0 2 27 41 23 59 57.2 - 33 265 5 2 33 13 2 22 8 2 35 27 2 19 54 0.28 97 0 0 2 43 40 23 59 50.1 - 32 265 6 2 49 12 2 38 8 2 51 25 2 35 54 0.28 98 0 0 2 59 18 23 59 43.1 - 31 265 7 3 4 49 2 53 46 3 7 2 2 51 33 0.28 99 0 0 3 14 34 23 59 36.4 - 30 265 8 3 20 5 3 9 3 3 22 18 3 6 49 0.28 100 0 0 3 29 28 23 59 29.9 - 29 265 9 3 34 58 3 23 58 3 37 11 3 21 44 0.28 101 0 0 3 44 0 23 59 23.7 - 28 265 10 3 49 30 3 38 30 3 51 43 3 36 17 0.28 102 0 0 3 58 10 23 59 17.6 - 27 265 11 4 3 39 3 52 40 4 5 52 3 50 27 0.28 103 0 0 4 11 57 23 59 11.7 - 26 265 12 4 17 26 4 6 28 4 19 39 4 4 15 0.28 104 0 0 4 25 22 23 59 6.0 - 25 265 13 4 30 50 4 19 53 4 33 3 4 17 40 0.28 105 0 0 4 38 23 23 59 0.6 - 24 265 14 4 43 52 4 32 55 4 46 4 4 30 43 0.29 106 0 0 4 51 2 23 58 55.4 - 23 265 15 4 56 30 4 45 34 4 58 42 4 43 22 0.29 107 0 0 5 3 17 23 58 50.3 - 22 265 16 5 8 45 4 57 50 5 10 57 4 55 38 0.29 108 0 0 5 15 9 23 58 45.5 - 21 265 17 5 20 36 5 9 42 5 22 48 5 7 30 0.29 109 0 0 5 26 37 23 58 41.0 - 20 265 18 5 32 4 5 21 10 5 34 15 5 18 58 0.29 110 0 0 5 37 41 23 58 36.6 - 19 265 19 5 43 8 5 32 15 5 45 19 5 30 3 0.29 111 0 0 5 48 22 23 58 32.4 - 18 265 20 5 53 47 5 42 56 5 55 59 5 40 44 0.29 112 0 0 5 58 38 23 58 28.5 - 17 265 21 6 4 3 5 53 12 6 6 15 5 51 1 0.29 113 0 0 6 8 30 23 58 24.8 - 16 265 22 6 13 55 6 3 4 6 16 6 6 0 53 0.29 114 0 0 6 17 57 23 58 21.3 - 15 265 23 6 23 22 6 12 32 6 25 33 6 10 21 0.29 115 0 0 6 27 0 23 58 18.0 - 14 266 24 6 32 25 6 21 35 6 34 36 6 19 24 0.29 116 0 0 6 35 38 23 58 15.0 - 13 266 25 6 41 3 6 30 14 6 43 13 6 28 3 0.29 117 0 0 6 43 52 23 58 12.2 - 12 266 26 6 49 16 6 38 27 6 51 26 6 36 17 0.30 118 0 0 6 51 40 23 58 9.6 - 11 266 27 6 57 4 6 46 16 6 59 14 6 44 5 0.30 119 0 0 6 59 3 23 58 7.2 - 10 266 28 7 4 27 6 53 40 7 6 37 6 51 29 0.30 120 0 0 7 6 1 23 58 5.1 - 9 266 29 7 11 25 7 0 38 7 13 35 6 58 28 0.30 121 0 0 7 12 34 23 58 3.1 - 8 266 30 7 17 57 7 7 11 7 20 8 7 5 1 0.30 122 0 0 7 18 42 23 58 1.4 - 7 266 31 7 24 4 7 13 19 7 26 15 7 11 8 0.31 123 0 0 7 24 23 23 58 0.0 - 6 266 32 7 29 46 7 19 1 7 31 56 7 16 50 0.31 124 0 0 7 29 39 23 57 58.7 - 5 267 33 7 35 2 7 24 17 7 37 12 7 22 7 0.32 125 0 0 7 34 30 23 57 57.7 - 4 267 34 7 39 52 7 29 7 7 42 2 7 26 57 0.33 126 0 0 7 38 54 23 57 56.9 - 3 267 35 7 44 16 7 33 32 7 46 26 7 31 22 0.34 127 0 0 7 42 53 23 57 56.3 - 2 267 36 7 48 15 7 37 30 7 50 25 7 35 20 0.37 128 0 0 7 46 25 23 57 56.0 - 1 267 37 7 51 47 7 41 3 7 53 57 7 38 53 0.45 Uncertainty in time = +/- 4 secs Prediction of 2023 Jul 15.2 Data for the target star ------------------------ * name: TYC 5254-00086-1 * constellation : Pisces * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 23 38 08.5527 DE: -02 52 42.828 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 23 38 08.5528 DE: -02 52 42.827 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.0 * B mag [mag]: 10.3 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (5413) Smyslov asteroid class: approx. diameter [km]: 19 approx. diameter ["]: 0.009 distance from Earth [AU]: 2.75580 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#57 date of fit: 2023 Apr 25 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): 0.019", 0.002", 65.65° remarks: * orbital elements for (5413)Smyslov : Mean anomaly = 163.1983823171 deg Arg. of pericenter = 134.3892812381 deg Long. of node = 41.9444867333 deg Inclination = 0.4243703754 deg Eccentricity = 0.1438635306 Semimajor axis = 3.1597432732 AU Perihelion dist = 2.7051714503 AU Mag: H = 12.34, G = 0.15 Epoch of elements : MJD 60529.00671495 TDT (2024 Aug 07.0067) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#572023Apr25,2.18,2024,8,7,0.161158,0.110974,-0.252933,-4.497543,-1.985225,-0.003341,-0.001403,0.000001,0.000000 36.4222,-2.7408,179.04,16.33,False TYC 5254-00086-1,23.63570908,-2.8785634,10.34,10.00,9.82,0.1,0,,23.65701445,-2.7408258,7.98,7.71,0,0,0 5413,Smyslov,17.98,19.009,2.7558,0,0,-0.958,-6.34,,1.8,0 0,163.0217,2024,8,6,134.3893,41.9445,0.4244,0.14386,3.15974,2.70517,12.34,5.0,0.15 1.202,0.0193,0.0019,66,0.0019,Known errors,0.95,0,-1,-1 20240807_0086-1,60140.24 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 05:39 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org