IOTA/IOTA-ES occultation update for (6768) Mathiasbraun / UCAC4 574-025882 event on 2024 Sep 04, 22:59 UT Visible from Summary ------- On 2024 Sep 04 UT, the 9.568 km diameter asteroid (6768) Mathiasbraun will occult a 11.7 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 7.10 mag to 18.83 mag (the magnitude of the asteroid) for at most 0.350 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 Sep 04, 22:55 - 2024 Sep 04, 23:03 * geocentric midpoint of event [JD]: 2460558.45791737 * magnitude of target star: 11.73 * magnitude drop [mag]: 7.10 * estimated maximum duration [s]: 0.350 * Moon: 3 % sunlit, 89° distance * Sun: 69° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 10 * 1 sigma uncertainty interval [path widths]: +/- 0.33 * 1 sigma uncertainty interval [seconds]: +/- 0.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.013, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.013", 0.002", 93°) * approx speed of asteroid's shadow [km/s]: 27.2856 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 574-025882 by 6768 Mathiasbraun on 2024 Sep 4 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 28 0 0 18 10 34 22 55 41.3 1 64 -62 18 7 32 18 13 37 18 5 34 18 15 35 .... 29 0 0 18 38 40 22 55 41.4 2 64 -62 18 35 38 18 41 43 18 33 39 18 43 41 -0.32 30 0 0 19 6 43 22 55 41.6 3 65 -61 19 3 41 19 9 46 19 1 43 19 11 44 -0.32 31 0 0 19 34 43 22 55 41.9 4 65 -60 19 31 41 19 37 45 19 29 42 19 39 44 -0.32 32 0 0 20 2 38 22 55 42.2 5 65 -59 19 59 36 20 5 41 19 57 38 20 7 39 -0.32 33 0 0 20 30 29 22 55 42.6 6 66 -58 20 27 26 20 33 31 20 25 28 20 35 30 -0.32 34 0 0 20 58 14 22 55 43.1 7 66 -57 20 55 11 21 1 16 20 53 13 21 3 14 -0.32 35 0 0 21 25 52 22 55 43.7 8 66 -56 21 22 49 21 28 54 21 20 51 21 30 53 -0.32 36 0 0 21 53 23 22 55 44.4 9 67 -55 21 50 21 21 56 25 21 48 22 21 58 24 -0.32 37 0 0 22 20 46 22 55 45.1 10 67 -54 22 17 44 22 23 48 22 15 46 22 25 47 -0.32 38 0 0 22 48 1 22 55 45.9 11 68 -53 22 44 59 22 51 3 22 43 0 22 53 1 -0.32 39 0 0 23 15 6 22 55 46.8 12 68 -52 23 12 4 23 18 8 23 10 6 23 20 6 -0.32 40 0 0 23 42 2 22 55 47.8 13 68 -52 23 39 0 23 45 4 23 37 2 23 47 2 -0.32 41 0 0 24 8 47 22 55 48.8 14 69 -51 24 5 45 24 11 49 24 3 47 24 13 47 -0.32 42 0 0 24 35 21 22 55 49.9 15 69 -50 24 32 19 24 38 22 24 30 21 24 40 20 -0.32 43 0 0 25 1 43 22 55 51.1 16 70 -49 24 58 41 25 4 44 24 56 43 25 6 42 -0.32 44 0 0 25 27 52 22 55 52.3 17 70 -48 25 24 51 25 30 54 25 22 53 25 32 51 -0.32 45 0 0 25 53 49 22 55 53.6 18 71 -47 25 50 48 25 56 50 25 48 50 25 58 48 -0.32 46 0 0 26 19 32 22 55 55.0 19 71 -46 26 16 31 26 22 33 26 14 34 26 24 31 -0.32 47 0 0 26 45 1 22 55 56.4 20 72 -45 26 42 0 26 48 2 26 40 3 26 49 59 -0.32 48 0 0 27 10 16 22 55 57.9 21 72 -44 27 7 15 27 13 16 27 5 18 27 15 13 -0.32 49 0 0 27 35 15 22 55 59.5 22 73 -43 27 32 14 27 38 15 27 30 17 27 40 12 -0.32 50 0 0 27 59 58 22 56 1.1 23 73 -42 27 56 58 28 2 59 27 55 1 28 4 56 -0.32 51 0 0 28 24 26 22 56 2.8 24 74 -41 28 21 26 28 27 26 28 19 29 28 29 23 -0.32 52 0 0 28 48 37 22 56 4.5 25 74 -40 28 45 37 28 51 36 28 43 41 28 53 33 -0.32 53 0 0 29 12 31 22 56 6.3 26 75 -39 29 9 31 29 15 30 29 7 35 29 17 27 -0.32 54 0 0 29 36 7 22 56 8.1 27 75 -38 29 33 8 29 39 6 29 31 12 29 41 3 -0.32 55 0 0 29 59 26 22 56 10.0 28 76 -37 29 56 27 30 2 25 29 54 31 30 4 21 -0.32 56 0 0 30 22 27 22 56 11.9 29 77 -36 30 19 28 30 25 25 30 17 32 30 27 21 -0.32 57 0 0 30 45 9 22 56 13.9 30 77 -36 30 42 11 30 48 7 30 40 15 30 50 3 -0.32 58 0 0 31 7 32 22 56 15.9 31 78 -35 31 4 34 31 10 30 31 2 39 31 12 26 -0.32 59 0 0 31 29 36 22 56 18.0 32 78 -34 31 26 39 31 32 34 31 24 43 31 34 29 -0.32 60 0 0 31 51 21 22 56 20.1 32 79 -33 31 48 24 31 54 18 31 46 29 31 56 13 -0.32 61 0 0 32 12 46 22 56 22.3 33 80 -32 32 9 49 32 15 43 32 7 54 32 17 38 -0.32 62 0 0 32 33 51 22 56 24.5 34 80 -31 32 30 54 32 36 47 32 28 59 32 38 42 -0.32 63 0 0 32 54 35 22 56 26.7 35 81 -30 32 51 39 32 57 32 32 49 45 32 59 26 -0.32 64 0 0 33 15 0 22 56 29.0 36 82 -29 33 12 4 33 17 56 33 10 9 33 19 50 -0.32 65 0 0 33 35 3 22 56 31.3 37 82 -28 33 32 7 33 37 59 33 30 13 33 39 53 -0.32 66 0 0 33 54 46 22 56 33.7 38 83 -27 33 51 50 33 57 41 33 49 57 33 59 35 -0.32 67 0 0 34 14 7 22 56 36.1 39 84 -27 34 11 12 34 17 2 34 9 19 34 18 56 -0.32 68 0 0 34 33 8 22 56 38.5 40 85 -26 34 30 13 34 36 2 34 28 20 34 37 56 -0.32 69 0 0 34 51 47 22 56 40.9 40 85 -25 34 48 52 34 54 41 34 46 59 34 56 34 -0.32 70 0 0 35 10 4 22 56 43.4 41 86 -24 35 7 10 35 12 58 35 5 17 35 14 51 -0.32 71 0 0 35 28 0 22 56 45.9 42 87 -23 35 25 6 35 30 54 35 23 14 35 32 46 -0.32 72 0 0 35 45 34 22 56 48.4 43 88 -22 35 42 41 35 48 27 35 40 49 35 50 20 -0.32 73 0 0 36 2 46 22 56 51.0 44 89 -21 35 59 54 36 5 39 35 58 1 36 7 32 -0.32 74 0 0 36 19 37 22 56 53.6 45 90 -20 36 16 44 36 22 30 36 14 53 36 24 22 -0.32 75 0 0 36 36 6 22 56 56.2 45 90 -20 36 33 13 36 38 58 36 31 22 36 40 50 -0.32 76 0 0 36 52 12 22 56 58.8 46 91 -19 36 49 20 36 55 4 36 47 29 36 56 55 -0.32 77 0 0 37 7 56 22 57 1.4 47 92 -18 37 5 5 37 10 48 37 3 14 37 12 39 -0.32 78 0 0 37 23 19 22 57 4.1 48 93 -17 37 20 28 37 26 10 37 18 37 37 28 1 -0.32 79 0 0 37 38 19 22 57 6.8 49 94 -16 37 35 28 37 41 10 37 33 38 37 43 1 -0.32 80 0 0 37 52 57 22 57 9.5 49 95 -15 37 50 7 37 55 48 37 48 16 37 57 39 -0.32 81 0 0 38 7 13 22 57 12.2 50 96 -15 38 4 23 38 10 3 38 2 33 38 11 54 -0.32 82 0 0 38 21 7 22 57 14.9 51 97 -14 38 18 17 38 23 57 38 16 27 38 25 47 -0.32 83 0 0 38 34 38 22 57 17.7 52 98 -13 38 31 49 38 37 28 38 29 59 38 39 18 -0.32 84 0 0 38 47 48 22 57 20.5 52 99 -12 38 44 59 38 50 37 38 43 9 38 52 27 -0.32 85 0 0 39 0 35 22 57 23.3 53 100 -11 38 57 46 39 3 24 38 55 57 39 5 14 -0.32 86 0 0 39 13 0 22 57 26.1 54 101 -10 39 10 12 39 15 49 39 8 22 39 17 38 -0.32 87 0 0 39 25 3 22 57 28.9 55 102 -10 39 22 15 39 27 52 39 20 26 39 29 41 -0.32 88 0 0 39 36 44 22 57 31.7 55 104 -9 39 33 56 39 39 32 39 32 7 39 41 21 -0.32 89 0 0 39 48 3 22 57 34.5 56 105 -8 39 45 15 39 50 51 39 43 26 39 52 40 -0.32 90 0 0 39 59 0 22 57 37.4 57 106 -7 39 56 12 40 1 47 39 54 24 40 3 36 -0.32 91 0 0 40 9 35 22 57 40.2 57 107 -6 40 6 48 40 12 22 40 4 59 40 14 10 -0.32 92 0 0 40 19 48 22 57 43.1 58 109 -6 40 17 1 40 22 34 40 15 12 40 24 23 -0.32 93 0 0 40 29 39 22 57 46.0 59 110 -5 40 26 52 40 32 25 40 25 4 40 34 13 -0.32 94 0 0 40 39 8 22 57 48.9 59 111 -4 40 36 21 40 41 54 40 34 33 40 43 42 -0.32 95 0 0 40 48 15 22 57 51.8 60 113 -3 40 45 29 40 51 1 40 43 41 40 52 49 -0.32 96 0 0 40 57 1 22 57 54.7 61 114 -3 40 54 15 40 59 46 40 52 27 41 1 34 -0.32 97 0 0 41 5 24 22 57 57.6 61 116 -2 41 2 39 41 8 10 41 0 51 41 9 58 -0.32 98 0 0 41 13 27 22 58 0.5 62 117 -1 41 10 41 41 16 12 41 8 54 41 18 0 -0.32 99 0 0 41 21 7 22 58 3.4 62 119 0 41 18 22 41 23 52 41 16 35 41 25 40 -0.32 100 0 0 41 28 26 22 58 6.4 63 120 1 41 25 41 41 31 11 41 23 54 41 32 58 -0.32 101 0 0 41 35 24 22 58 9.3 64 122 1 41 32 39 41 38 9 41 30 52 41 39 56 -0.32 102 0 0 41 42 0 22 58 12.3 64 124 2 41 39 15 41 44 44 41 37 28 41 46 31 -0.32 103 0 0 41 48 14 22 58 15.2 65 125 3 41 45 30 41 50 59 41 43 43 41 52 46 -0.32 104 0 0 41 54 8 22 58 18.2 65 127 4 41 51 23 41 56 52 41 49 37 41 58 39 -0.32 105 0 0 41 59 39 22 58 21.2 66 129 4 41 56 55 42 2 24 41 55 9 42 4 10 -0.32 106 0 0 42 4 50 22 58 24.1 66 131 5 42 2 6 42 7 34 42 0 20 42 9 20 -0.32 107 0 0 42 9 39 22 58 27.1 67 133 6 42 6 56 42 12 23 42 5 9 42 14 10 -0.32 108 0 0 42 14 7 22 58 30.1 67 135 7 42 11 24 42 16 51 42 9 38 42 18 37 -0.32 109 0 0 42 18 14 22 58 33.1 68 137 7 42 15 31 42 20 58 42 13 45 42 22 44 -0.32 110 0 0 42 22 0 22 58 36.1 68 139 8 42 19 17 42 24 43 42 17 31 42 26 30 -0.32 111 0 0 42 25 25 22 58 39.1 69 142 9 42 22 41 42 28 8 42 20 55 42 29 54 -0.32 112 0 0 42 28 28 22 58 42.1 69 144 10 42 25 45 42 31 11 42 23 59 42 32 57 -0.32 113 0 0 42 31 11 22 58 45.1 70 146 10 42 28 27 42 33 54 42 26 42 42 35 40 -0.32 114 0 0 42 33 32 22 58 48.1 70 149 11 42 30 49 42 36 15 42 29 3 42 38 1 -0.32 115 0 0 42 35 32 22 58 51.1 70 151 12 42 32 49 42 38 15 42 31 4 42 40 1 -0.32 116 0 0 42 37 12 22 58 54.1 71 154 13 42 34 29 42 39 55 42 32 43 42 41 41 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0 26 29 34 23 2 38.1 28 285 70 26 26 33 26 32 35 26 24 36 26 34 33 -0.33 -165 0 0 26 3 53 23 2 40.1 27 286 71 26 0 52 26 6 54 25 58 54 26 8 52 -0.33 -164 0 0 25 37 58 23 2 42.0 26 287 71 25 34 56 25 40 59 25 32 59 25 42 57 -0.34 -163 0 0 25 11 49 23 2 43.8 25 287 71 25 8 48 25 14 51 25 6 50 25 16 49 -0.34 -162 0 0 24 45 28 23 2 45.6 24 288 72 24 42 26 24 48 30 24 40 29 24 50 28 -0.34 -161 0 0 24 18 55 23 2 47.3 23 288 72 24 15 53 24 21 57 24 13 55 24 23 55 -0.34 -160 0 0 23 52 10 23 2 49.0 22 288 72 23 49 8 23 55 12 23 47 10 23 57 10 -0.34 -159 0 0 23 25 14 23 2 50.6 21 289 72 23 22 12 23 28 16 23 20 14 23 30 14 -0.34 -158 0 0 22 58 8 23 2 52.1 20 289 72 22 55 6 23 1 10 22 53 8 23 3 9 -0.34 -157 0 0 22 30 53 23 2 53.6 19 290 72 22 27 50 22 33 55 22 25 52 22 35 53 -0.34 -156 0 0 22 3 28 23 2 55.0 18 290 72 22 0 26 22 6 31 21 58 28 22 8 29 -0.34 -155 0 0 21 35 56 23 2 56.3 17 291 72 21 32 53 21 38 58 21 30 55 21 40 56 -0.34 -154 0 0 21 8 15 23 2 57.6 16 291 71 21 5 13 21 11 18 21 3 15 21 13 16 -0.35 -153 0 0 20 40 29 23 2 58.7 15 291 71 20 37 26 20 43 31 20 35 28 20 45 30 -0.35 -152 0 0 20 12 36 23 2 59.8 14 292 71 20 9 33 20 15 38 20 7 35 20 17 37 -0.35 -151 0 0 19 44 37 23 3 0.9 13 292 70 19 41 35 19 47 40 19 39 36 19 49 38 -0.35 -150 0 0 19 16 35 23 3 1.8 11 292 70 19 13 32 19 19 37 19 11 34 19 21 36 -0.35 -149 0 0 18 48 28 23 3 2.7 10 293 69 18 45 25 18 51 30 18 43 27 18 53 29 -0.36 -148 0 0 18 20 18 23 3 3.4 9 293 69 18 17 16 18 23 21 18 15 17 18 25 19 -0.36 -147 0 0 17 52 6 23 3 4.1 8 293 68 17 49 4 17 55 9 17 47 6 17 57 7 -0.37 -146 0 0 17 23 53 23 3 4.8 7 294 68 17 20 51 17 26 55 17 18 52 17 28 54 -0.37 -145 0 0 16 55 39 23 3 5.3 6 294 67 16 52 36 16 58 41 16 50 38 17 0 39 -0.38 -144 0 0 16 27 25 23 3 5.8 5 294 66 16 24 22 16 30 27 16 22 24 16 32 25 -0.39 -143 0 0 15 59 11 23 3 6.1 4 295 66 15 56 9 16 2 13 15 54 11 16 4 12 -0.41 -142 0 0 15 30 59 23 3 6.4 3 295 65 15 27 57 15 34 1 15 25 59 15 36 0 -0.44 -141 0 0 15 2 50 23 3 6.6 2 295 64 14 59 48 15 5 52 14 57 50 15 7 50 -0.50 -140 0 0 14 34 44 23 3 6.7 1 295 63 14 31 42 14 37 45 14 29 44 14 39 43 -0.74 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.5 Data for the target star ------------------------ * name: UCAC4 574-025882 * constellation : Gemini * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 06 16 09.4917 DE: +24 45 06.027 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 06 16 09.4918 DE: +24 45 06.027 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.7 * B mag [mag]: 12.4 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (6768) Mathiasbraun asteroid class: approx. diameter [km]: 10 approx. diameter ["]: 0.006 distance from Earth [AU]: 2.32250 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 25 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): 0.013", 0.002", 92.809° remarks: * orbital elements for (6768)Mathiasbraun : Mean anomaly = 53.7119208827 deg Arg. of pericenter = 63.7564689748 deg Long. of node = 289.6108929394 deg Inclination = 2.1957347894 deg Eccentricity = 0.1980142513 Semimajor axis = 2.3808779298 AU Perihelion dist = 1.9094301690 AU Mag: H = 14.14, G = 0.15 Epoch of elements : MJD 60557.95791737 TDT (2024 Sep 04.9579) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#472023Apr25,0.35,2024,9,4,22.990017,0.010979,0.302673,15.391070,-0.546470,-0.005003,0.000199,-0.000001,0.000000 125.0147,24.7441,-165.17,6.72,False UCAC4 574-025882,6.26930321,24.7516743,12.37,11.73,11.38,0.0,0,,6.29441951,24.7441497,7.10,7.00,0,0,0 6768,Mathiasbraun,18.83,9.568,2.3225,0,0,4.278,-2.07,,1.0,0 0,53.4549,2024,9,4,63.7565,289.6109,2.1957,0.19801,2.38088,1.90943,14.14,5.0,0.15 1.325,0.0127,0.0018,93,0.0019,Known errors,1.11,0,-1,-1 20240904_025882,60140.54 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 12:59 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org