IOTA/IOTA-ES occultation update for (3828) Hoshino / TYC 5774-01026-1 event on 2024 Nov 15, 09:14 UT Visible from Summary ------- On 2024 Nov 15 UT, the 19.508 km diameter asteroid (3828) Hoshino will occult a 10.4 mag star in the constellation Aquarius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.47 mag to 17.84 mag (the magnitude of the asteroid) for at most 0.940 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: 98 * date and approx. time of event: 2024 Nov 15, 09:09 - 2024 Nov 15, 09:19 * geocentric midpoint of event [JD]: 2460629.88528079 * magnitude of target star: 10.37 * magnitude drop [mag]: 7.47 * estimated maximum duration [s]: 0.940 * Moon: 99 % sunlit, 91° distance * Sun: 81° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 20 * 1 sigma uncertainty interval [path widths]: +/- 0.35 * 1 sigma uncertainty interval [seconds]: +/- 2.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.017, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.018", 0.001", 74°) * approx speed of asteroid's shadow [km/s]: 20.8329 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5774-01026-1 by 3828 Hoshino on 2024 Nov 15 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 29 0 0 -20 14 49 9 9 49.0 1 102 81 -20 20 22 -20 9 17 -20 24 16 -20 5 23 .... 30 0 0 -20 26 26 9 9 49.1 1 101 81 -20 31 58 -20 20 54 -20 35 52 -20 17 0 0.20 31 0 0 -20 37 53 9 9 49.3 2 101 82 -20 43 25 -20 32 21 -20 47 19 -20 28 27 0.21 32 0 0 -20 49 11 9 9 49.5 3 100 83 -20 54 43 -20 43 39 -20 58 37 -20 39 46 0.22 33 0 0 -21 0 20 9 9 49.9 4 100 84 -21 5 52 -20 54 48 -21 9 45 -20 50 55 0.22 34 0 0 -21 11 19 9 9 50.3 5 100 85 -21 16 51 -21 5 48 -21 20 44 -21 1 55 0.22 35 0 0 -21 22 9 9 9 50.9 6 99 85 -21 27 40 -21 16 38 -21 31 34 -21 12 45 0.22 36 0 0 -21 32 49 9 9 51.5 7 99 86 -21 38 20 -21 27 18 -21 42 13 -21 23 25 0.22 37 0 0 -21 43 19 9 9 52.2 8 99 86 -21 48 50 -21 37 48 -21 52 43 -21 33 55 0.22 38 0 0 -21 53 39 9 9 53.0 9 98 86 -21 59 9 -21 48 8 -22 3 2 -21 44 15 0.22 39 0 0 -22 3 48 9 9 53.8 10 98 86 -22 9 18 -21 58 17 -22 13 11 -21 54 25 0.22 40 0 0 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22 262 -51 - 9 31 0 - 9 19 50 - 9 34 56 - 9 15 54 0.24 -170 0 0 - 9 11 10 9 19 25.1 21 262 -52 - 9 16 45 - 9 5 35 - 9 20 41 - 9 1 39 0.24 -169 0 0 - 8 56 59 9 19 27.1 20 261 -53 - 9 2 34 - 8 51 24 - 9 6 30 - 8 47 29 0.24 -168 0 0 - 8 42 53 9 19 29.0 19 261 -54 - 8 48 28 - 8 37 19 - 8 52 23 - 8 33 23 0.24 -167 0 0 - 8 28 52 9 19 30.8 18 261 -54 - 8 34 26 - 8 23 17 - 8 38 22 - 8 19 22 0.24 -166 0 0 - 8 14 56 9 19 32.5 17 261 -55 - 8 20 30 - 8 9 21 - 8 24 26 - 8 5 26 0.24 -165 0 0 - 8 1 5 9 19 34.1 16 261 -56 - 8 6 39 - 7 55 31 - 8 10 35 - 7 51 35 0.24 -164 0 0 - 7 47 20 9 19 35.6 15 261 -57 - 7 52 54 - 7 41 46 - 7 56 49 - 7 37 51 0.24 -163 0 0 - 7 33 41 9 19 37.0 14 260 -58 - 7 39 15 - 7 28 7 - 7 43 10 - 7 24 12 0.24 -162 0 0 - 7 20 8 9 19 38.3 13 260 -58 - 7 25 42 - 7 14 34 - 7 29 37 - 7 10 39 0.24 -161 0 0 - 7 6 42 9 19 39.6 12 260 -59 - 7 12 15 - 7 1 8 - 7 16 11 - 6 57 13 0.24 -160 0 0 - 6 53 22 9 19 40.7 11 260 -60 - 6 58 56 - 6 47 49 - 7 2 51 - 6 43 54 0.24 -159 0 0 - 6 40 10 9 19 41.7 10 260 -61 - 6 45 43 - 6 34 36 - 6 49 38 - 6 30 42 0.25 -158 0 0 - 6 27 5 9 19 42.7 9 260 -61 - 6 32 38 - 6 21 31 - 6 36 33 - 6 17 37 0.25 -157 0 0 - 6 14 7 9 19 43.5 8 260 -62 - 6 19 40 - 6 8 34 - 6 23 35 - 6 4 39 0.25 -156 0 0 - 6 1 17 9 19 44.2 7 260 -63 - 6 6 50 - 5 55 44 - 6 10 45 - 5 51 50 0.25 -155 0 0 - 5 48 36 9 19 44.9 6 260 -63 - 5 54 8 - 5 43 3 - 5 58 3 - 5 39 9 0.26 -154 0 0 - 5 36 2 9 19 45.4 5 259 -64 - 5 41 35 - 5 30 30 - 5 45 29 - 5 26 35 0.27 -153 0 0 - 5 23 37 9 19 45.8 4 259 -64 - 5 29 10 - 5 18 5 - 5 33 4 - 5 14 11 0.28 -152 0 0 - 5 11 21 9 19 46.2 3 259 -65 - 5 16 54 - 5 5 49 - 5 20 48 - 5 1 55 0.29 -151 0 0 - 4 59 14 9 19 46.4 2 259 -65 - 5 4 46 - 4 53 42 - 5 8 41 - 4 49 48 0.33 -150 0 0 - 4 47 17 9 19 46.5 1 259 -66 - 4 52 49 - 4 41 45 - 4 56 42 - 4 37 51 0.43 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 5774-01026-1 * constellation : Aquarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 20 58 19.2973 DE: -11 05 35.376 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 20 58 19.2969 DE: -11 05 35.377 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 10.4 * B mag [mag]: 10.7 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (3828) Hoshino asteroid class: approx. diameter [km]: 20 approx. diameter ["]: 0.008 distance from Earth [AU]: 3.29550 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#60 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", 0.001", 74.034° remarks: * orbital elements for (3828)Hoshino : Mean anomaly = 199.3414370006 deg Arg. of pericenter = 271.1864258930 deg Long. of node = 221.9743397690 deg Inclination = 6.1872791635 deg Eccentricity = 0.0387073019 Semimajor axis = 3.1679751637 AU Perihelion dist = 3.0453513928 AU Mag: H = 11.76, G = 0.15 Epoch of elements : MJD 60629.38528037 TDT (2024 Nov 15.3853) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#602023Apr24,0.94,2024,11,15,9.246739,0.031410,-0.214732,11.647941,1.609875,0.005607,0.001750,0.000000,0.000000 121.2625,-10.9974,37.46,-18.65,False TYC 5774-01026-1,20.97202706,-11.0931598,10.70,10.37,10.19,0.0,0,,20.99444819,-10.9973828,7.47,7.20,0,0,0 3828,Hoshino,17.84,19.508,3.2955,0,0,2.111,4.30,,1.6,0 0,199.2741,2024,11,15,271.1864,221.9743,6.1873,0.03871,3.16798,3.04535,11.76,5.0,0.15 1.352,0.0180,0.0014,74,0.0029,Known errors,0.94,0,-1,-1 20241115_1026-1,60140.70 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:47 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org