IOTA/IOTA-ES occultation update for (4833) Meges / TYC 1352-00889-1 event on 2023 Dec 05, 08:06 UT Visible from South America, Mexico Summary ------- On 2023 Dec 05 UT, the 84.4 km diameter asteroid (4833) Meges will occult a 9.5 mag star in the constellation Gemini for observers along a path across South America, Mexico. In the case of an occultation, the combined light of the asteroid and the star will drop by 6.63 mag to 16.16 mag (the magnitude of the asteroid) for at most 5.140 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: 82 * date and approx. time of event: 2023 Dec 05, 07:59 - 2023 Dec 05, 08:12 * geocentric midpoint of event [JD]: 2460283.83773946 * magnitude of target star: 9.53 * magnitude drop [mag]: 6.63 * estimated maximum duration [s]: 5.140 * Moon: 50 % sunlit, 58° distance * Sun: 148° distance * rough path description: South America, Mexico The occultation path -------------------- * approximate projected width [km]: 85 * 1 sigma uncertainty interval [path widths]: +/- 0.65 * 1 sigma uncertainty interval [seconds]: +/- 1.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.018, +/- 0.010) * 1 sigma uncertainty ellipse (major, minor, PA): (0.021", 0.001", 61°) * approx speed of asteroid's shadow [km/s]: 16.4223 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1352-00889-1 by 4833 Meges on 2023 Dec 5 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 170 0 0 24 57 29 8 12 46.7 0 68 -31 25 22 17 24 32 40 25 54 27 24 0 24 .... 171 0 0 25 19 26 8 12 46.6 1 68 -32 25 44 8 24 54 42 26 16 11 24 22 34 -0.01 172 0 0 25 40 44 8 12 46.4 2 69 -33 26 5 21 25 16 6 26 37 17 24 44 5 0.04 173 0 0 26 1 24 8 12 46.0 3 69 -34 26 25 55 25 36 51 26 57 44 25 4 57 0.06 174 0 0 26 21 26 8 12 45.6 4 70 -35 26 45 52 25 56 58 27 17 34 25 25 11 0.07 175 0 0 26 40 49 8 12 45.0 5 70 -36 27 5 11 26 16 27 27 36 46 25 44 46 0.07 176 0 0 26 59 35 8 12 44.4 6 70 -37 27 23 52 26 35 18 27 55 21 26 3 43 0.08 177 0 0 27 17 44 8 12 43.6 7 71 -38 27 41 56 26 53 31 28 13 19 26 22 3 0.08 178 0 0 27 35 16 8 12 42.8 8 71 -39 27 59 23 27 11 8 28 30 40 26 39 46 0.09 179 0 0 27 52 10 8 12 41.8 9 72 -40 28 16 13 27 28 7 28 47 24 26 56 51 0.09 -180 0 0 28 8 29 8 12 40.8 10 72 -41 28 32 27 27 44 30 29 3 32 27 13 19 0.09 -179 0 0 28 24 11 8 12 39.7 11 73 -42 28 48 4 28 0 16 29 19 4 27 29 11 0.09 -178 0 0 28 39 16 8 12 38.5 12 73 -43 29 3 6 28 15 26 29 34 1 27 44 26 0.09 -177 0 0 28 53 46 8 12 37.1 13 74 -43 29 17 32 28 30 0 29 48 22 27 59 5 0.09 -176 0 0 29 7 41 8 12 35.7 14 74 -44 29 31 23 28 43 58 30 2 8 28 13 9 0.09 -175 0 0 29 21 0 8 12 34.3 14 75 -45 29 44 39 28 57 21 30 15 19 28 26 36 0.09 -174 0 0 29 33 45 8 12 32.7 15 75 -46 29 57 19 29 10 9 30 27 55 28 39 29 0.09 -173 0 0 29 45 54 8 12 31.0 16 76 -47 30 9 25 29 22 22 30 39 57 28 51 46 0.09 -172 0 0 29 57 29 8 12 29.3 17 76 -48 30 20 57 29 34 0 30 51 24 29 3 28 0.09 -171 0 0 30 8 30 8 12 27.5 18 77 -49 30 31 55 29 45 3 31 2 18 29 14 36 0.09 -170 0 0 30 18 56 8 12 25.6 19 77 -50 30 42 18 29 55 33 31 12 37 29 25 9 0.09 -169 0 0 30 28 49 8 12 23.6 20 78 -50 30 52 8 30 5 28 31 22 24 29 35 8 0.09 -168 0 0 30 38 8 8 12 21.6 21 78 -51 31 1 24 30 14 50 31 31 37 29 44 33 0.09 -167 0 0 30 46 53 8 12 19.5 21 78 -52 31 10 7 30 23 38 31 40 16 29 53 24 0.09 -166 0 0 30 55 5 8 12 17.3 22 79 -53 31 18 17 30 31 52 31 48 23 30 1 42 0.09 -165 0 0 31 2 44 8 12 15.0 23 79 -54 31 25 54 30 39 33 31 55 57 30 9 26 0.09 -164 0 0 31 9 50 8 12 12.7 24 80 -55 31 32 58 30 46 41 32 2 59 30 16 37 0.09 -163 0 0 31 16 24 8 12 10.3 25 80 -55 31 39 30 30 53 17 32 9 28 30 23 14 0.09 -162 0 0 31 22 24 8 12 7.8 26 81 -56 31 45 28 30 59 19 32 15 25 30 29 19 0.09 -161 0 0 31 27 52 8 12 5.2 27 81 -57 31 50 55 31 4 49 32 20 49 30 34 51 0.09 -160 0 0 31 32 48 8 12 2.6 27 82 -58 31 55 49 31 9 46 32 25 42 30 39 50 0.09 -159 0 0 31 37 12 8 11 59.9 28 82 -59 32 0 12 31 14 11 32 30 2 30 44 16 0.09 -158 0 0 31 41 3 8 11 57.1 29 83 -60 32 4 2 31 18 3 32 33 51 30 48 10 0.09 -157 0 0 31 44 22 8 11 54.3 30 83 -60 32 7 20 31 21 23 32 37 8 30 51 32 0.09 -156 0 0 31 47 10 8 11 51.4 31 84 -61 32 10 7 31 24 12 32 39 54 30 54 21 0.09 -155 0 0 31 49 25 8 11 48.4 32 84 -62 32 12 22 31 26 28 32 42 8 30 56 38 0.09 -154 0 0 31 51 9 8 11 45.4 33 85 -63 32 14 5 31 28 12 32 43 50 30 58 23 0.09 -153 0 0 31 52 21 8 11 42.3 33 85 -64 32 15 17 31 29 25 32 45 2 30 59 36 0.09 -152 0 0 31 53 2 8 11 39.1 34 86 -64 32 15 57 31 30 5 32 45 42 31 0 17 0.09 -151 0 0 31 53 10 8 11 35.8 35 86 -65 32 16 6 31 30 14 32 45 50 31 0 26 0.09 -150 0 0 31 52 47 8 11 32.5 36 87 -66 32 15 43 31 29 51 32 45 27 31 0 2 0.09 -149 0 0 31 51 53 8 11 29.1 37 87 -67 32 14 49 31 28 56 32 44 33 30 59 7 0.09 -148 0 0 31 50 27 8 11 25.7 38 88 -68 32 13 23 31 27 30 32 43 8 30 57 41 0.09 -147 0 0 31 48 29 8 11 22.2 38 88 -68 32 11 26 31 25 32 32 41 12 30 55 42 0.09 -146 0 0 31 46 0 8 11 18.6 39 89 -69 32 8 57 31 23 2 32 38 44 30 53 11 0.09 -145 0 0 31 42 59 8 11 15.0 40 89 -70 32 5 57 31 20 0 32 35 45 30 50 8 0.09 -144 0 0 31 39 27 8 11 11.2 41 90 -71 32 2 26 31 16 27 32 32 15 30 46 33 0.09 -143 0 0 31 35 22 8 11 7.5 42 90 -72 31 58 23 31 12 21 32 28 13 30 42 27 0.09 -142 0 0 31 30 47 8 11 3.6 43 90 -72 31 53 48 31 7 44 32 23 40 30 37 48 0.09 -141 0 0 31 25 39 8 10 59.7 43 91 -73 31 48 42 31 2 35 32 18 36 30 32 37 0.09 -140 0 0 31 19 59 8 10 55.7 44 91 -74 31 43 4 30 56 54 32 13 0 30 26 54 0.09 -139 0 0 31 13 48 8 10 51.6 45 92 -75 31 36 54 30 50 41 32 6 52 30 20 39 0.09 -138 0 0 31 7 5 8 10 47.5 46 92 -75 31 30 12 30 43 56 32 0 13 30 13 51 0.09 -137 0 0 30 59 49 8 10 43.3 47 93 -76 31 22 59 30 36 38 31 53 2 30 6 31 0.09 -136 0 0 30 52 1 8 10 39.1 48 93 -77 31 15 13 30 28 48 31 45 19 29 58 38 0.09 -135 0 0 30 43 41 8 10 34.7 48 93 -78 31 6 55 30 20 26 31 37 4 29 50 13 0.09 -134 0 0 30 34 49 8 10 30.3 49 94 -78 30 58 5 30 11 31 31 28 17 29 41 15 0.09 -133 0 0 30 25 24 8 10 25.8 50 94 -79 30 48 43 30 2 4 31 18 58 29 31 44 0.09 -132 0 0 30 15 26 8 10 21.3 51 95 -80 30 38 47 29 52 3 31 9 6 29 21 41 0.09 -131 0 0 30 4 55 8 10 16.7 52 95 -80 30 28 20 29 41 30 30 58 42 29 11 4 0.09 -130 0 0 29 53 52 8 10 12.0 53 95 -81 30 17 19 29 30 23 30 47 45 28 59 53 0.09 -129 0 0 29 42 15 8 10 7.2 54 96 -82 30 5 46 29 18 44 30 36 16 28 48 10 0.09 -128 0 0 29 30 5 8 10 2.4 54 96 -82 29 53 39 29 6 31 30 24 13 28 35 53 0.09 -127 0 0 29 17 22 8 9 57.5 55 96 -83 29 40 59 28 53 44 30 11 37 28 23 2 0.09 -126 0 0 29 4 5 8 9 52.5 56 97 -83 29 27 46 28 40 24 29 58 28 28 9 37 0.09 -125 0 0 28 50 15 8 9 47.5 57 97 -83 29 13 59 28 26 30 29 44 46 27 55 38 0.09 -124 0 0 28 35 50 8 9 42.4 58 97 -83 28 59 38 28 12 2 29 30 30 27 41 5 0.09 -123 0 0 28 20 52 8 9 37.2 59 97 -84 28 44 43 27 56 59 29 15 40 27 25 58 0.09 -122 0 0 28 5 19 8 9 31.9 60 98 -83 28 29 14 27 41 22 29 0 17 27 10 16 0.09 -121 0 0 27 49 12 8 9 26.5 61 98 -83 28 13 11 27 25 11 28 44 19 26 53 59 0.09 -120 0 0 27 32 30 8 9 21.1 62 98 -83 27 56 33 27 8 25 28 27 46 26 37 8 0.09 -119 0 0 27 15 13 8 9 15.6 62 98 -83 27 39 21 26 51 4 28 10 40 26 19 42 0.09 -118 0 0 26 57 22 8 9 10.1 63 98 -82 27 21 34 26 33 9 27 52 58 26 1 40 0.09 -117 0 0 26 38 55 8 9 4.4 64 98 -82 27 3 12 26 14 38 27 34 42 25 43 3 0.09 -116 0 0 26 19 54 8 8 58.7 65 98 -81 26 44 15 25 55 31 27 15 51 25 23 51 0.09 -115 0 0 26 0 17 8 8 52.9 66 98 -80 26 24 43 25 35 49 26 56 25 25 4 3 0.09 -114 0 0 25 40 4 8 8 47.0 67 98 -80 26 4 35 25 15 32 26 36 23 24 43 39 0.09 -113 0 0 25 19 15 8 8 41.1 68 98 -79 25 43 51 24 54 39 26 15 46 24 22 39 0.09 -112 0 0 24 57 51 8 8 35.0 69 98 -78 25 22 32 24 33 9 25 54 33 24 1 4 0.09 -111 0 0 24 35 51 8 8 28.9 70 98 -77 25 0 37 24 11 4 25 32 45 23 38 52 0.09 -110 0 0 24 13 15 8 8 22.8 71 97 -76 24 38 6 23 48 23 25 10 20 23 16 3 0.09 -109 0 0 23 50 2 8 8 16.5 72 97 -76 24 14 59 23 25 5 24 47 20 22 52 39 0.09 -108 0 0 23 26 14 8 8 10.2 73 96 -75 23 51 15 23 1 11 24 23 43 22 28 38 0.09 -107 0 0 23 1 49 8 8 3.8 73 96 -74 23 26 56 22 36 40 23 59 31 22 4 0 0.09 -106 0 0 22 36 47 8 7 57.3 74 95 -73 23 2 0 22 11 33 23 34 42 21 38 46 0.09 -105 0 0 22 11 9 8 7 50.8 75 94 -72 22 36 27 21 45 50 23 9 17 21 12 55 0.09 -104 0 0 21 44 55 8 7 44.2 76 93 -71 22 10 18 21 19 30 22 43 15 20 46 28 0.09 -103 0 0 21 18 4 8 7 37.5 77 92 -70 21 43 33 20 52 33 22 16 37 20 19 24 0.09 -102 0 0 20 50 36 8 7 30.7 78 90 -69 21 16 11 20 25 0 21 49 23 19 51 44 0.09 -101 0 0 20 22 33 8 7 23.9 79 88 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.. .. .... .. .. .. .. .. .. .. .. .. .. .. .. -33 51 40 .. .. .. .... Uncertainty in time = +/- 4 secs Prediction of 2023 Oct 15.9 Data for the target star ------------------------ * name: TYC 1352-00889-1 * constellation : Gemini * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 07 03 54.9816 DE: +20 18 54.040 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 07 03 54.9817 DE: +20 18 54.040 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 9.5 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4833) Meges asteroid class: approx. diameter [km]: 84 approx. diameter ["]: 0.028 distance from Earth [AU]: 4.20490 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#61 date of fit: 2023 Oct 10 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): 0.021", 0.001", 61.441° remarks: * orbital elements for (4833)Meges : Mean anomaly = 64.9083985246 deg Arg. of pericenter = 281.7129667090 deg Long. of node = 101.7409497133 deg Inclination = 34.7282098602 deg Eccentricity = 0.0923974898 Semimajor axis = 5.2303606270 AU Perihelion dist = 4.7470884342 AU Mag: H = 9.05, G = 0.15 Epoch of elements : MJD 60283.33756944 TDT (2023 Dec 05.3376) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#612023Oct10,5.14,2023,12,5,8.105747,-0.050441,-0.079618,-7.878647,4.883099,-0.003280,0.000577,0.000001,0.000000 -89.1211,20.2799,56.02,-22.35,False TYC 1352-00889-1,7.06527265,20.3150112,0.00,9.53,0.00,0.0,0,,7.08908742,20.2798901,6.63,0.00,0,0,0 4833,Meges,16.16,84.400,4.2049,0,0,-1.171,10.21,,5.0,0 0,64.8806,2023,12,5,281.7130,101.7409,34.7282,0.09240,5.23036,4.74709,9.05,5.0,0.15 1.649,0.0207,0.0009,61,0.0207,Known errors,-1.00,0,-1,-1 20231205_0889-1,60232.88 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Oct 15, 21:13 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org