IOTA/IOTA-ES occultation update for (4143) Huziak / TYC 6311-02078-1 event on 2024 Nov 03, 09:34 UT Visible from Summary ------- On 2024 Nov 03 UT, the 16.58 km diameter asteroid (4143) Huziak will occult a 11.6 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 6.54 mag to 18.09 mag (the magnitude of the asteroid) for at most 0.610 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 Nov 03, 09:31 - 2024 Nov 03, 09:37 * geocentric midpoint of event [JD]: 2460617.89903050 * magnitude of target star: 11.55 * magnitude drop [mag]: 6.54 * estimated maximum duration [s]: 0.610 * Moon: 4 % sunlit, 51° distance * Sun: 73° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 22 * 1 sigma uncertainty interval [path widths]: +/- 0.17 * 1 sigma uncertainty interval [seconds]: +/- 1.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.022, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.022", 0.001", 82°) * approx speed of asteroid's shadow [km/s]: 27.1786 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6311-02078-1 by 4143 Huziak on 2024 Nov 3 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 - 5 0 0 .. .. .... .. .. .. .. .. .. -46 13 52 .. .. .. -46 16 18 .. .. .. .... - 4 0 0 -46 33 51 9 31 40.4 1 122 46 -46 41 2 -46 26 42 -46 43 28 -46 24 17 .... - 3 0 0 -47 0 48 9 31 40.5 2 122 46 -47 7 58 -46 53 39 -47 10 24 -46 51 14 0.80 - 2 0 0 -47 27 31 9 31 40.6 2 121 47 -47 34 41 -47 20 22 -47 37 7 -47 17 57 0.83 - 1 0 0 -47 54 0 9 31 40.8 3 120 47 -48 1 10 -47 46 50 -48 3 35 -47 44 25 0.85 0 0 0 -48 20 13 9 31 41.1 4 119 47 -48 27 23 -48 13 4 -48 29 48 -48 10 39 0.85 1 0 0 -48 46 10 9 31 41.5 5 119 48 -48 53 20 -48 39 2 -48 55 45 -48 36 37 0.86 2 0 0 -49 11 51 9 31 41.9 6 118 48 -49 19 1 -49 4 43 -49 21 26 -49 2 18 0.86 3 0 0 -49 37 15 9 31 42.3 6 117 48 -49 44 24 -49 30 8 -49 46 50 -49 27 43 0.87 4 0 0 -50 2 22 9 31 42.8 7 116 48 -50 9 31 -49 55 15 -50 11 56 -49 52 50 0.87 5 0 0 -50 27 11 9 31 43.4 8 116 48 -50 34 19 -50 20 4 -50 36 44 -50 17 40 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11 9 -38 27 38 -38 8 46 0.92 -167 0 0 -37 49 6 9 37 17.4 18 255 -34 -37 56 9 -37 42 4 -37 58 32 -37 39 42 0.92 -166 0 0 -37 20 4 9 37 18.9 17 254 -35 -37 27 5 -37 13 3 -37 29 28 -37 10 41 0.92 -165 0 0 -36 51 5 9 37 20.3 16 254 -36 -36 58 6 -36 44 5 -37 0 28 -36 41 43 0.92 -164 0 0 -36 22 11 9 37 21.7 15 253 -36 -36 29 11 -36 15 13 -36 31 33 -36 12 51 0.93 -163 0 0 -35 53 24 9 37 23.0 14 252 -37 -36 0 22 -35 46 26 -36 2 44 -35 44 5 0.93 -162 0 0 -35 24 43 9 37 24.2 13 252 -38 -35 31 41 -35 17 46 -35 34 2 -35 15 26 0.93 -161 0 0 -34 56 10 9 37 25.4 12 251 -39 -35 3 7 -34 49 15 -35 5 28 -34 46 54 0.94 -160 0 0 -34 27 46 9 37 26.5 11 251 -39 -34 34 41 -34 20 52 -34 37 2 -34 18 32 0.94 -159 0 0 -33 59 32 9 37 27.4 10 250 -40 -34 6 26 -33 52 38 -34 8 46 -33 50 19 0.95 -158 0 0 -33 31 28 9 37 28.3 9 249 -40 -33 38 21 -33 24 36 -33 40 41 -33 22 17 0.95 -157 0 0 -33 3 36 9 37 29.2 8 249 -41 -33 10 27 -32 56 45 -33 12 47 -32 54 26 0.96 -156 0 0 -32 35 56 9 37 29.9 7 248 -42 -32 42 46 -32 29 6 -32 45 6 -32 26 48 0.97 -155 0 0 -32 8 29 9 37 30.5 7 248 -42 -32 15 19 -32 1 41 -32 17 37 -31 59 23 0.98 -154 0 0 -31 41 17 9 37 31.1 6 247 -43 -31 48 5 -31 34 30 -31 50 23 -31 32 12 1.00 -153 0 0 -31 14 19 9 37 31.6 5 247 -43 -31 21 6 -31 7 33 -31 23 24 -31 5 16 1.02 -152 0 0 -30 47 37 9 37 32.0 4 246 -44 -30 54 23 -30 40 53 -30 56 40 -30 38 36 1.06 -151 0 0 -30 21 12 9 37 32.3 3 246 -44 -30 27 56 -30 14 29 -30 30 13 -30 12 12 1.12 -150 0 0 -29 55 4 9 37 32.5 2 245 -45 -30 1 47 -29 48 22 -30 4 4 -29 46 6 1.26 -149 0 0 -29 29 14 9 37 32.6 1 245 -45 -29 35 56 -29 22 33 -29 38 12 -29 20 17 1.74 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 6311-02078-1 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 19 43 06.6498 DE: -22 21 49.463 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 19 43 06.6498 DE: -22 21 49.463 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.6 * B mag [mag]: 12.1 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4143) Huziak asteroid class: approx. diameter [km]: 17 approx. diameter ["]: 0.008 distance from Earth [AU]: 2.72330 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#47 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): 0.022", 0.001", 82.042° remarks: * orbital elements for (4143)Huziak : Mean anomaly = 335.9772465956 deg Arg. of pericenter = 246.3261543418 deg Long. of node = 103.3160468805 deg Inclination = 2.0346779178 deg Eccentricity = 0.1812317938 Semimajor axis = 3.0950681888 AU Perihelion dist = 2.5341434289 AU Mag: H = 12.79, G = 0.15 Epoch of elements : MJD 60617.39903008 TDT (2024 Nov 03.3990) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#472023Apr24,0.61,2024,11,3,9.576732,0.110073,-0.649576,15.123295,2.571325,0.005464,0.000943,-0.000001,0.000000 109.3548,-22.3060,32.24,-15.27,False TYC 6311-02078-1,19.71851387,-22.3637396,12.14,11.55,11.23,0.0,0,,19.74298088,-22.3060252,6.54,6.41,0,0,0 4143,Huziak,18.09,16.580,2.7233,0,0,3.520,8.31,,1.6,0 0,335.9050,2024,11,3,246.3262,103.3160,2.0347,0.18123,3.09507,2.53414,12.79,5.0,0.15 1.169,0.0220,0.0013,82,0.0014,Known errors,0.89,0,-1,-1 20241103_2078-1,60140.68 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:16 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org