IOTA/IOTA-ES occultation update for (2713) Luxembourg / TYC 839-01084-1 event on 2024 Nov 09, 09:50 UT Visible from Summary ------- On 2024 Nov 09 UT, the 15.497 km diameter asteroid (2713) Luxembourg will occult a 10.5 mag star in the constellation Leo for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.82 mag to 17.32 mag (the magnitude of the asteroid) for at most 0.570 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: 100 * date and approx. time of event: 2024 Nov 09, 09:46 - 2024 Nov 09, 09:53 * geocentric midpoint of event [JD]: 2460623.90973784 * magnitude of target star: 10.50 * magnitude drop [mag]: 6.82 * estimated maximum duration [s]: 0.570 * Moon: 52 % sunlit, 161° distance * Sun: 68° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 16 * 1 sigma uncertainty interval [path widths]: +/- 0.08 * 1 sigma uncertainty interval [seconds]: +/- 1.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.011, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.012", 0.000", 114°) * approx speed of asteroid's shadow [km/s]: 27.1670 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 839-01084-1 by 2713 Luxembourg on 2024 Nov 9 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 -125 0 0 8 6 1 9 46 14.4 1 82 -63 8 1 38 8 10 24 8 0 59 8 11 4 .... -124 0 0 8 14 27 9 46 14.5 2 82 -63 8 10 5 8 18 50 8 9 25 8 19 30 0.17 -123 0 0 8 22 28 9 46 14.7 3 82 -62 8 18 5 8 26 51 8 17 26 8 27 30 0.20 -122 0 0 8 30 3 9 46 14.9 4 82 -61 8 25 41 8 34 25 8 25 1 8 35 5 0.21 -121 0 0 8 37 12 9 46 15.3 5 82 -60 8 32 50 8 41 34 8 32 11 8 42 13 0.22 -120 0 0 8 43 55 9 46 15.7 6 82 -59 8 39 33 8 48 17 8 38 54 8 48 56 0.23 -119 0 0 8 50 13 9 46 16.1 7 82 -58 8 45 51 8 54 34 8 45 12 8 55 13 0.23 -118 0 0 8 56 4 9 46 16.7 8 83 -57 8 51 42 9 0 25 8 51 3 9 1 4 0.24 -117 0 0 9 1 29 9 46 17.3 9 83 -56 8 57 8 9 5 50 8 56 28 9 6 29 0.24 -116 0 0 9 6 28 9 46 18.0 10 83 -55 9 2 7 9 10 49 9 1 28 9 11 28 0.24 -115 0 0 9 11 1 9 46 18.8 11 83 -54 9 6 40 9 15 22 9 6 1 9 16 1 0.24 -114 0 0 9 15 8 9 46 19.6 12 83 -54 9 10 47 9 19 29 9 10 8 9 20 8 0.25 -113 0 0 9 18 48 9 46 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0 0.26 - 85 0 0 8 2 14 9 47 13.2 41 86 -25 7 57 51 8 6 38 7 57 11 8 7 17 0.26 - 84 0 0 7 53 5 9 47 16.1 42 86 -24 7 48 41 7 57 28 7 48 1 7 58 8 0.26 - 83 0 0 7 43 29 9 47 18.9 43 85 -23 7 39 5 7 47 53 7 38 25 7 48 32 0.26 - 82 0 0 7 33 27 9 47 21.9 44 85 -22 7 29 2 7 37 51 7 28 23 7 38 31 0.26 - 81 0 0 7 22 58 9 47 24.9 44 85 -21 7 18 33 7 27 23 7 17 54 7 28 2 0.26 - 80 0 0 7 12 3 9 47 27.9 45 85 -20 7 7 38 7 16 29 7 6 59 7 17 8 0.26 - 79 0 0 7 0 43 9 47 31.0 46 85 -19 6 56 17 7 5 8 6 55 37 7 5 48 0.26 - 78 0 0 6 48 56 9 47 34.2 47 85 -18 6 44 30 6 53 22 6 43 50 6 54 1 0.26 - 77 0 0 6 36 43 9 47 37.4 48 85 -17 6 32 17 6 41 9 6 31 37 6 41 49 0.26 - 76 0 0 6 24 4 9 47 40.7 49 84 -16 6 19 38 6 28 31 6 18 58 6 29 11 0.26 - 75 0 0 6 11 0 9 47 44.0 50 84 -15 6 6 33 6 15 27 6 5 53 6 16 7 0.26 - 74 0 0 5 57 30 9 47 47.4 51 84 -14 5 53 2 6 1 57 5 52 22 6 2 37 0.26 - 73 0 0 5 43 34 9 47 50.9 52 83 -13 5 39 6 5 48 2 5 38 26 5 48 42 0.26 - 72 0 0 5 29 13 9 47 54.4 53 83 -12 5 24 45 5 33 41 5 24 4 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11 -33 2 46 0.26 30 0 0 -33 23 19 9 53 41.1 14 290 73 -33 27 50 -33 18 47 -33 28 30 -33 18 7 0.26 31 0 0 -33 38 17 9 53 42.0 13 290 73 -33 42 48 -33 33 46 -33 43 28 -33 33 6 0.26 32 0 0 -33 52 54 9 53 42.8 13 289 73 -33 57 24 -33 48 24 -33 58 5 -33 47 43 0.26 33 0 0 -34 7 9 9 53 43.6 12 289 72 -34 11 39 -34 2 39 -34 12 20 -34 1 59 0.26 34 0 0 -34 21 3 9 53 44.3 11 288 72 -34 25 33 -34 16 34 -34 26 13 -34 15 53 0.26 35 0 0 -34 34 35 9 53 44.9 10 288 71 -34 39 4 -34 30 6 -34 39 45 -34 29 26 0.26 36 0 0 -34 47 46 9 53 45.5 9 287 71 -34 52 15 -34 43 18 -34 52 55 -34 42 37 0.26 37 0 0 -35 0 35 9 53 46.1 8 286 70 -35 5 3 -34 56 7 -35 5 44 -34 55 27 0.26 38 0 0 -35 13 3 9 53 46.5 7 286 70 -35 17 31 -35 8 35 -35 18 11 -35 7 55 0.26 39 0 0 -35 25 9 9 53 47.0 7 285 69 -35 29 36 -35 20 42 -35 30 16 -35 20 2 0.26 40 0 0 -35 36 53 9 53 47.4 6 285 68 -35 41 20 -35 32 26 -35 42 0 -35 31 46 0.26 41 0 0 -35 48 16 9 53 47.7 5 284 68 -35 52 43 -35 43 50 -35 53 23 -35 43 10 0.26 42 0 0 -35 59 18 9 53 48.0 4 284 67 -36 3 44 -35 54 51 -36 4 23 -35 54 12 0.26 43 0 0 -36 9 57 9 53 48.2 3 283 66 -36 14 23 -36 5 32 -36 15 3 -36 4 52 0.27 44 0 0 -36 20 16 9 53 48.3 2 282 66 -36 24 41 -36 15 51 -36 25 21 -36 15 11 0.27 45 0 0 -36 30 13 9 53 48.5 2 282 65 -36 34 38 -36 25 48 -36 35 18 -36 25 8 0.28 46 0 0 -36 39 48 9 53 48.5 1 281 64 -36 44 13 -36 35 24 -36 44 53 -36 34 44 0.30 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 839-01084-1 * constellation : Leo * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 10 42 10.7060 DE: +08 39 22.158 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 10 42 10.7063 DE: +08 39 22.156 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.5 * B mag [mag]: 10.8 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (2713) Luxembourg asteroid class: approx. diameter [km]: 15 approx. diameter ["]: 0.007 distance from Earth [AU]: 3.12760 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#55 date of fit: 2023 Feb 07 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): 0.012", 0.000", 113.715° remarks: * orbital elements for (2713)Luxembourg : Mean anomaly = 221.5284399785 deg Arg. of pericenter = 301.5255596263 deg Long. of node = 339.3015283493 deg Inclination = 1.3426084810 deg Eccentricity = 0.0271596298 Semimajor axis = 2.8530189949 AU Perihelion dist = 2.7755320552 AU Mag: H = 11.57, G = 0.15 Epoch of elements : MJD 60623.40973779 TDT (2024 Nov 09.4097) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#552023Feb07,0.57,2024,11,9,9.833708,-0.097225,-0.231534,14.162331,-5.878302,-0.005087,0.002081,-0.000001,0.000000 -35.7013,8.5274,28.46,-17.05,False TYC 839-01084-1,10.70297385,8.6561552,10.83,10.50,10.32,0.0,0,,10.72451800,8.5273671,6.82,6.55,0,0,0 2713,Luxembourg,17.32,15.497,3.1276,0,0,2.685,-16.53,,1.4,0 0,221.4446,2024,11,9,301.5256,339.3015,1.3426,0.02716,2.85302,2.77553,11.57,5.0,0.15 1.075,0.0117,0.0005,114,0.0005,Known errors,1.12,0,-1,-1 20241109_1084-1,60140.69 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:32 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org