IOTA/IOTA-ES occultation update for (1030) Vitja / TYC 5725-02068-1 event on 2024 Oct 22, 16:27 UT Visible from Summary ------- On 2024 Oct 22 UT, the 60.7649922728914 km diameter asteroid (1030) Vitja will occult a 9.5 mag star in the constellation Aquila for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.90 mag to 16.38 mag (the magnitude of the asteroid) for at most 3.370 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 22, 16:21 - 2024 Oct 22, 16:33 * geocentric midpoint of event [JD]: 2460606.18593304 * magnitude of target star: 9.48 * magnitude drop [mag]: 6.90 * estimated maximum duration [s]: 3.370 * Moon: 67 % sunlit, 155° distance * Sun: 89° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 62 * 1 sigma uncertainty interval [path widths]: +/- 0.22 * 1 sigma uncertainty interval [seconds]: +/- 1.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.015, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.015", 0.002", 82°) * approx speed of asteroid's shadow [km/s]: 18.1657 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5725-02068-1 by 1030 Vitja on 2024 Oct 22 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 - 65 0 0 21 20 23 16 21 56.5 0 99 57 21 3 27 21 37 19 20 55 56 .. .. .. .... - 64 0 0 21 11 15 16 21 56.5 1 99 57 20 54 19 21 28 12 20 46 47 21 35 44 -0.01 - 63 0 0 21 1 52 16 21 56.7 2 100 57 20 44 55 21 18 50 20 37 23 21 26 22 -0.06 - 62 0 0 20 52 14 16 21 56.9 3 100 57 20 35 16 21 9 12 20 27 44 21 16 45 -0.08 - 61 0 0 20 42 21 16 21 57.3 4 101 57 20 25 22 20 59 20 20 17 50 21 6 53 -0.09 - 60 0 0 20 32 13 16 21 57.7 5 101 57 20 15 13 20 49 13 20 7 41 20 56 46 -0.10 - 59 0 0 20 21 50 16 21 58.3 6 101 57 20 4 49 20 38 50 19 57 16 20 46 24 -0.10 - 58 0 0 20 11 12 16 21 58.9 7 102 57 19 54 11 20 28 13 19 46 38 20 35 47 -0.10 - 57 0 0 20 0 19 16 21 59.6 8 102 56 19 43 18 20 17 21 19 35 44 20 24 56 -0.11 - 56 0 0 19 49 12 16 22 0.5 9 102 56 19 32 10 20 6 15 19 24 36 20 13 50 -0.11 - 55 0 0 19 37 51 16 22 1.4 10 103 56 19 20 48 19 54 55 19 13 13 20 2 30 -0.11 - 54 0 0 19 26 15 16 22 2.5 11 103 56 19 9 11 19 43 20 19 1 36 19 50 55 -0.11 - 53 0 0 19 14 25 16 22 3.6 12 103 55 18 57 20 19 31 30 18 49 45 19 39 6 -0.11 - 52 0 0 19 2 21 16 22 4.9 13 104 55 18 45 16 19 19 27 18 37 40 19 27 3 -0.11 - 51 0 0 18 50 3 16 22 6.2 13 104 55 18 32 57 19 7 10 18 25 21 19 14 47 -0.11 - 50 0 0 18 37 32 16 22 7.7 14 104 54 18 20 25 18 54 40 18 12 48 19 2 16 -0.11 - 49 0 0 18 24 47 16 22 9.2 15 105 54 18 7 39 18 41 55 18 0 2 18 49 32 -0.11 - 48 0 0 18 11 48 16 22 10.9 16 105 54 17 54 39 18 28 57 17 47 2 18 36 35 -0.11 - 47 0 0 17 58 36 16 22 12.6 17 105 53 17 41 27 18 15 47 17 33 49 18 23 24 -0.11 - 46 0 0 17 45 11 16 22 14.5 18 106 53 17 28 1 18 2 23 17 20 23 18 10 1 -0.11 - 45 0 0 17 31 34 16 22 16.5 19 106 52 17 14 23 17 48 46 17 6 45 17 56 24 -0.12 - 44 0 0 17 17 43 16 22 18.5 20 106 52 17 0 31 17 34 56 16 52 53 17 42 35 -0.12 - 43 0 0 17 3 41 16 22 20.7 21 107 51 16 46 28 17 20 54 16 38 49 17 28 33 -0.12 - 42 0 0 16 49 26 16 22 23.0 22 107 51 16 32 12 17 6 40 16 24 33 17 14 20 -0.12 - 41 0 0 16 34 59 16 22 25.4 23 107 50 16 17 44 16 52 14 16 10 5 16 59 54 -0.12 - 40 0 0 16 20 20 16 22 27.9 24 107 50 16 3 4 16 37 35 15 55 25 16 45 16 -0.12 - 39 0 0 16 5 29 16 22 30.5 25 108 49 15 48 13 16 22 46 15 40 33 16 30 26 -0.12 - 38 0 0 15 50 27 16 22 33.2 26 108 49 15 33 11 16 7 45 15 25 30 16 15 26 -0.12 - 37 0 0 15 35 14 16 22 36.0 27 108 48 15 17 57 15 52 32 15 10 16 16 0 14 -0.12 - 36 0 0 15 19 51 16 22 38.9 28 109 47 15 2 32 15 37 9 14 54 51 15 44 51 -0.12 - 35 0 0 15 4 16 16 22 41.9 29 109 47 14 46 57 15 21 36 14 39 16 15 29 18 -0.12 - 34 0 0 14 48 31 16 22 45.0 30 109 46 14 31 12 15 5 52 14 23 30 15 13 34 -0.12 - 33 0 0 14 32 37 16 22 48.2 31 110 45 14 15 17 14 49 57 14 7 35 14 57 40 -0.12 - 32 0 0 14 16 32 16 22 51.6 32 110 45 13 59 11 14 33 54 13 51 29 14 41 37 -0.12 - 31 0 0 14 0 18 16 22 55.0 33 110 44 13 42 57 14 17 40 13 35 14 14 25 24 -0.12 - 30 0 0 13 43 55 16 22 58.5 34 110 43 13 26 33 14 1 18 13 18 50 14 9 1 -0.12 - 29 0 0 13 27 23 16 23 2.1 35 111 43 13 10 0 13 44 46 13 2 17 13 52 30 -0.12 - 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8 41 12 - 9 22 10 - 8 33 45 -0.13 90 0 0 - 8 54 42 16 33 12.0 20 264 -63 - 9 11 28 - 8 37 56 - 9 18 55 - 8 30 29 -0.13 91 0 0 - 8 51 9 16 33 14.1 19 264 -64 - 9 7 55 - 8 34 23 - 9 15 22 - 8 26 55 -0.13 92 0 0 - 8 47 18 16 33 16.0 18 264 -64 - 9 4 4 - 8 30 31 - 9 11 31 - 8 23 4 -0.13 93 0 0 - 8 43 9 16 33 17.8 17 264 -65 - 8 59 56 - 8 26 22 - 9 7 23 - 8 18 54 -0.13 94 0 0 - 8 38 43 16 33 19.6 16 264 -66 - 8 55 29 - 8 21 55 - 9 2 57 - 8 14 27 -0.13 95 0 0 - 8 33 59 16 33 21.2 15 263 -66 - 8 50 46 - 8 17 11 - 8 58 13 - 8 9 43 -0.13 96 0 0 - 8 28 57 16 33 22.7 14 263 -67 - 8 45 45 - 8 12 9 - 8 53 12 - 8 4 41 -0.13 97 0 0 - 8 23 38 16 33 24.1 13 263 -68 - 8 40 26 - 8 6 50 - 8 47 54 - 7 59 21 -0.13 98 0 0 - 8 18 2 16 33 25.4 12 263 -68 - 8 34 51 - 8 1 13 - 8 42 18 - 7 53 45 -0.13 99 0 0 - 8 12 9 16 33 26.6 11 263 -69 - 8 28 58 - 7 55 19 - 8 36 26 - 7 47 51 -0.13 100 0 0 - 8 5 58 16 33 27.7 10 263 -69 - 8 22 48 - 7 49 8 - 8 30 16 - 7 41 40 -0.13 101 0 0 - 7 59 31 16 33 28.7 9 263 -70 - 8 16 21 - 7 42 41 - 8 23 49 - 7 35 11 -0.13 102 0 0 - 7 52 47 16 33 29.6 8 262 -70 - 8 9 37 - 7 35 56 - 8 17 6 - 7 28 26 -0.13 103 0 0 - 7 45 46 16 33 30.4 7 262 -70 - 8 2 36 - 7 28 54 - 8 10 5 - 7 21 24 -0.13 104 0 0 - 7 38 28 16 33 31.1 6 262 -71 - 7 55 19 - 7 21 36 - 8 2 48 - 7 14 6 -0.13 105 0 0 - 7 30 53 16 33 31.6 5 262 -71 - 7 47 45 - 7 14 1 - 7 55 15 - 7 6 31 -0.13 106 0 0 - 7 23 3 16 33 32.1 4 262 -71 - 7 39 55 - 7 6 9 - 7 47 25 - 6 58 39 -0.13 107 0 0 - 7 14 56 16 33 32.4 3 262 -71 - 7 31 49 - 6 58 2 - 7 39 19 - 6 50 31 -0.13 108 0 0 - 7 6 32 16 33 32.7 2 262 -72 - 7 23 26 - 6 49 38 - 7 30 56 - 6 42 7 -0.13 109 0 0 - 6 57 53 16 33 32.8 1 262 -72 - 7 14 48 - 6 40 58 - 7 22 18 - 6 33 27 -0.14 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 5725-02068-1 * constellation : Aquila * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 19 53 28.1387 DE: -08 31 22.792 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 19 53 28.1386 DE: -08 31 22.792 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 9.5 * B mag [mag]: 10.5 * Diameter [mas]: 0.20 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1030) Vitja asteroid class: approx. diameter [km]: 61 approx. diameter ["]: 0.027 distance from Earth [AU]: 3.15060 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 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): 0.015", 0.002", 82.006° remarks: * orbital elements for (1030)Vitja : Mean anomaly = 110.5285062851 deg Arg. of pericenter = 5.0251235389 deg Long. of node = 187.7935066920 deg Inclination = 14.7764859430 deg Eccentricity = 0.1228267599 Semimajor axis = 3.1199083520 AU Perihelion dist = 2.7367001178 AU Mag: H = 10.38, G = 0.15 Epoch of elements : MJD 60605.68593266 TDT (2024 Oct 22.6859) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#572023Apr24,3.37,2024,10,22,16.462393,0.031047,0.122960,9.941126,-2.510552,0.005791,0.001159,0.000000,0.000000 20.1724,-8.4583,-70.84,-11.39,False TYC 5725-02068-1,19.89114965,-8.5229977,10.53,9.48,8.91,0.2,0,,19.91348627,-8.4582686,6.90,7.02,0,0,0 1030,Vitja,16.38,61.222,3.1506,0,0,1.871,-7.00,,3.0,0 0,110.4058,2024,10,22,5.0251,187.7935,14.7765,0.12283,3.11991,2.73670,10.38,5.0,0.15 1.222,0.0153,0.0016,82,0.0060,Known errors,1.06,0,-1,-1 20241022_2068-1,60140.65 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 15:40 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org