IOTA/IOTA-ES occultation update for (5198) Fongyunwah / TYC 1340-02293-1 event on 2024 Jan 02, 20:07 UT Visible from Summary ------- On 2024 Jan 02 UT, the 16.4438733735781 km diameter asteroid (5198) Fongyunwah will occult a 10.0 mag star in the constellation Gemini for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.14 mag to 16.15 mag (the magnitude of the asteroid) for at most 1.580 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 Jan 02, 19:57 - 2024 Jan 02, 20:16 * geocentric midpoint of event [JD]: 2460312.33822258 * magnitude of target star: 10.01 * magnitude drop [mag]: 6.14 * estimated maximum duration [s]: 1.580 * Moon: 62 % sunlit, 82° distance * Sun: 174° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 18 * 1 sigma uncertainty interval [path widths]: +/- 0.33 * 1 sigma uncertainty interval [seconds]: +/- 4.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.039, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.039", 0.004", 92°) * approx speed of asteroid's shadow [km/s]: 10.4668 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1340-02293-1 by 5198 Fongyunwah on 2024 Jan 2 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 - 33 0 0 -13 43 4 20 16 32.6 1 69 5 -13 37 53 -13 48 14 -13 34 28 -13 51 40 .... - 32 0 0 -13 20 26 20 16 32.3 2 68 4 -13 15 16 -13 25 37 -13 11 51 -13 29 2 0.20 - 31 0 0 -12 57 59 20 16 31.9 3 68 3 -12 52 50 -13 3 9 -12 49 25 -13 6 35 0.27 - 30 0 0 -12 35 44 20 16 31.2 4 68 2 -12 30 34 -12 40 53 -12 27 10 -12 44 18 0.30 - 29 0 0 -12 13 40 20 16 30.3 5 68 1 -12 8 31 -12 18 49 -12 5 6 -12 22 13 0.32 - 28 0 0 -11 51 48 20 16 29.2 6 67 0 -11 46 39 -11 56 56 -11 43 15 -12 0 21 0.34 - 27 0 0 -11 30 8 20 16 27.9 7 67 -1 -11 25 0 -11 35 17 -11 21 36 -11 38 41 0.34 - 26 0 0 -11 8 42 20 16 26.3 8 67 -2 -11 3 34 -11 13 50 -11 0 11 -11 17 14 0.35 - 25 0 0 -10 47 29 20 16 24.6 9 67 -3 -10 42 22 -10 52 36 -10 38 58 -10 56 0 0.36 - 24 0 0 -10 26 30 20 16 22.6 10 67 -4 -10 21 23 -10 31 37 -10 18 0 -10 35 0 0.36 - 23 0 0 -10 5 45 20 16 20.5 11 66 -5 -10 0 39 -10 10 52 - 9 57 16 -10 14 15 0.36 - 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1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.039", 0.004", 91.695° remarks: * orbital elements for (5198)Fongyunwah : Mean anomaly = 359.9028129747 deg Arg. of pericenter = 307.7008856366 deg Long. of node = 150.6655644031 deg Inclination = 2.1090193056 deg Eccentricity = 0.1552241428 Semimajor axis = 3.1206819144 AU Perihelion dist = 2.6362767393 AU Mag: H = 12.70, G = 0.15 Epoch of elements : MJD 60311.83822375 TDT (2024 Jan 02.8382) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#462023Feb10,1.58,2024,1,2,20.117342,-0.035334,-0.350453,-5.877933,0.592677,0.000530,0.000246,0.000001,0.000000 53.3299,20.6210,-120.77,-22.90,False TYC 1340-02293-1,6.44606975,20.6349670,10.90,10.01,9.53,0.1,0,,6.47021135,20.6209877,6.15,6.18,0,0,0 5198,Fongyunwah,16.15,16.564,1.6563,0,0,-2.223,3.15,,1.4,0 0,359.7530,2024,1,2,307.7009,150.6656,2.1090,0.15522,3.12068,2.63628,12.70,5.0,0.15 1.331,0.0387,0.0037,92,0.0046,Known errors,1.08,0,-1,-1 20240102_2293-1,60137.00 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 11, 23:54 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org