IOTA/IOTA-ES occultation update for (1088) Mitaka / TYC 6159-01276-1 event on 2024 Sep 05, 12:42 UT Visible from Summary ------- On 2024 Sep 05 UT, the 14.957 km diameter asteroid (1088) Mitaka will occult a 11.2 mag star in the constellation Libra for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 5.27 mag to 16.48 mag (the magnitude of the asteroid) for at most 0.500 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 05, 12:38 - 2024 Sep 05, 12:46 * geocentric midpoint of event [JD]: 2460559.02953625 * magnitude of target star: 11.22 * magnitude drop [mag]: 5.27 * estimated maximum duration [s]: 0.500 * Moon: 5 % sunlit, 35° distance * Sun: 62° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 15 * 1 sigma uncertainty interval [path widths]: +/- 0.24 * 1 sigma uncertainty interval [seconds]: +/- 0.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.007, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.008", 0.002", 114°) * approx speed of asteroid's shadow [km/s]: 29.6336 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6159-01276-1 by 1088 Mitaka on 2024 Sep 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 - 30 0 0 33 3 51 12 39 3.5 0 112 58 32 59 22 33 8 21 32 57 14 .. .. .. .... - 29 0 0 32 43 40 12 39 3.5 1 112 58 32 39 10 32 48 10 32 37 2 32 50 18 0.01 - 28 0 0 32 23 5 12 39 3.6 2 113 59 32 18 34 32 27 35 32 16 26 32 29 44 -0.12 - 27 0 0 32 2 6 12 39 3.7 3 113 60 31 57 35 32 6 37 31 55 26 32 8 46 -0.16 - 26 0 0 31 40 43 12 39 3.9 4 114 61 31 36 12 31 45 15 31 34 3 31 47 24 -0.18 - 25 0 0 31 18 57 12 39 4.2 5 114 62 31 14 25 31 23 29 31 12 16 31 25 39 -0.19 - 24 0 0 30 56 47 12 39 4.5 6 115 62 30 52 15 31 1 20 30 50 5 31 3 30 -0.20 - 23 0 0 30 34 15 12 39 4.9 6 115 63 30 29 41 30 38 48 30 27 31 30 40 58 -0.21 - 22 0 0 30 11 19 12 39 5.3 7 116 64 30 6 45 30 15 53 30 4 35 30 18 3 -0.21 - 21 0 0 29 48 0 12 39 5.8 8 116 65 29 43 25 29 52 34 29 41 15 29 54 45 -0.22 - 20 0 0 29 24 18 12 39 6.4 9 117 65 29 19 43 29 28 54 29 17 33 29 31 4 -0.22 - 19 0 0 29 0 15 12 39 7.0 10 117 66 28 55 39 29 4 51 28 53 28 29 7 1 -0.22 - 18 0 0 28 35 49 12 39 7.7 11 118 67 28 31 13 28 40 25 28 29 2 28 42 36 -0.23 - 17 0 0 28 11 1 12 39 8.5 12 118 67 28 6 25 28 15 38 28 4 13 28 17 50 -0.23 - 16 0 0 27 45 52 12 39 9.3 13 119 68 27 41 15 27 50 30 27 39 4 27 52 41 -0.23 - 15 0 0 27 20 22 12 39 10.2 14 119 69 27 15 45 27 25 0 27 13 33 27 27 12 -0.23 - 14 0 0 26 54 32 12 39 11.2 15 120 69 26 49 53 26 59 10 26 47 41 27 1 22 -0.23 - 13 0 0 26 28 20 12 39 12.2 16 120 70 26 23 42 26 32 59 26 21 29 26 35 12 -0.23 - 12 0 0 26 1 49 12 39 13.3 17 121 70 25 57 10 26 6 29 25 54 58 26 8 41 -0.23 - 11 0 0 25 34 59 12 39 14.5 18 121 71 25 30 19 25 39 39 25 28 6 25 41 51 -0.23 - 10 0 0 25 7 49 12 39 15.8 19 122 71 25 3 9 25 12 29 25 0 56 25 14 42 -0.23 - 9 0 0 24 40 21 12 39 17.1 20 122 72 24 35 41 24 45 2 24 33 27 24 47 15 -0.24 - 8 0 0 24 12 35 12 39 18.5 21 122 72 24 7 54 24 17 16 24 5 41 24 19 29 -0.24 - 7 0 0 23 44 31 12 39 20.0 22 123 73 23 39 50 23 49 13 23 37 37 23 51 27 -0.24 - 6 0 0 23 16 11 12 39 21.5 23 123 73 23 11 29 23 20 53 23 9 16 23 23 7 -0.24 - 5 0 0 22 47 34 12 39 23.2 24 124 73 22 42 52 22 52 16 22 40 38 22 54 30 -0.24 - 4 0 0 22 18 42 12 39 24.9 25 124 73 22 13 59 22 23 24 22 11 45 22 25 38 -0.24 - 3 0 0 21 49 34 12 39 26.7 26 125 73 21 44 52 21 54 17 21 42 37 21 56 31 -0.24 - 2 0 0 21 20 12 12 39 28.5 27 125 73 21 15 29 21 24 56 21 13 15 21 27 10 -0.24 - 1 0 0 20 50 37 12 39 30.4 29 126 73 20 45 54 20 55 20 20 43 39 20 57 35 -0.24 0 0 0 20 20 48 12 39 32.4 30 126 73 20 16 5 20 25 32 20 13 50 20 27 47 -0.24 1 0 0 19 50 48 12 39 34.5 31 126 73 19 46 4 19 55 32 19 43 49 19 57 46 -0.24 2 0 0 19 20 35 12 39 36.7 32 127 72 19 15 52 19 25 20 19 13 37 19 27 34 -0.24 3 0 0 18 50 13 12 39 38.9 33 127 72 18 45 29 18 54 57 18 43 14 18 57 12 -0.24 4 0 0 18 19 40 12 39 41.2 34 128 72 18 14 56 18 24 24 18 12 41 18 26 39 -0.24 5 0 0 17 48 58 12 39 43.6 35 128 71 17 44 14 17 53 43 17 41 59 17 55 58 -0.24 6 0 0 17 18 8 12 39 46.0 36 129 71 17 13 24 17 22 53 17 11 9 17 25 8 -0.24 7 0 0 16 47 11 12 39 48.5 37 129 70 16 42 26 16 51 55 16 40 11 16 54 10 -0.24 8 0 0 16 16 7 12 39 51.1 38 129 70 16 11 22 16 20 51 16 9 7 16 23 7 -0.24 9 0 0 15 44 57 12 39 53.8 39 130 69 15 40 13 15 49 42 15 37 57 15 51 57 -0.24 10 0 0 15 13 43 12 39 56.5 40 130 68 15 8 58 15 18 28 15 6 43 15 20 43 -0.24 11 0 0 14 42 25 12 39 59.3 41 131 67 14 37 40 14 47 9 14 35 25 14 49 25 -0.24 12 0 0 14 11 4 12 40 2.2 42 131 67 14 6 19 14 15 48 14 4 4 14 18 4 -0.24 13 0 0 13 39 41 12 40 5.1 44 132 66 13 34 56 13 44 25 13 32 41 13 46 40 -0.24 14 0 0 13 8 17 12 40 8.1 45 132 65 13 3 32 13 13 1 13 1 17 13 15 16 -0.24 15 0 0 12 36 52 12 40 11.2 46 133 64 12 32 8 12 41 37 12 29 53 12 43 52 -0.24 16 0 0 12 5 29 12 40 14.3 47 133 63 12 0 45 12 10 13 11 58 30 12 12 28 -0.24 17 0 0 11 34 7 12 40 17.5 48 134 62 11 29 23 11 38 51 11 27 9 11 41 6 -0.25 18 0 0 11 2 48 12 40 20.8 49 134 62 10 58 5 11 7 32 10 55 50 11 9 47 -0.25 19 0 0 10 31 33 12 40 24.1 50 135 61 10 26 50 10 36 17 10 24 35 10 38 31 -0.25 20 0 0 10 0 22 12 40 27.4 51 136 60 9 55 39 10 5 6 9 53 25 10 7 20 -0.25 21 0 0 9 29 17 12 40 30.8 52 136 59 9 24 34 9 34 0 9 22 20 9 36 14 -0.25 22 0 0 8 58 18 12 40 34.3 53 137 58 8 53 35 9 3 1 8 51 21 9 5 15 -0.25 23 0 0 8 27 26 12 40 37.8 54 138 57 8 22 44 8 32 9 8 20 30 8 34 23 -0.25 24 0 0 7 56 43 12 40 41.4 55 138 56 7 52 1 8 1 25 7 49 47 8 3 39 -0.25 25 0 0 7 26 9 12 40 45.0 56 139 55 7 21 27 7 30 51 7 19 14 7 33 4 -0.25 26 0 0 6 55 45 12 40 48.7 57 140 54 6 51 3 7 0 26 6 48 50 7 2 39 -0.25 27 0 0 6 25 31 12 40 52.4 58 141 53 6 20 50 6 30 12 6 18 37 6 32 26 -0.25 28 0 0 5 55 30 12 40 56.1 59 142 52 5 50 49 6 0 10 5 48 36 6 2 23 -0.25 29 0 0 5 25 40 12 40 59.9 60 143 51 5 21 0 5 30 21 5 18 48 5 32 33 -0.25 30 0 0 4 56 5 12 41 3.7 61 144 50 4 51 25 5 0 44 4 49 13 5 2 57 -0.25 31 0 0 4 26 43 12 41 7.5 62 145 48 4 22 4 4 31 22 4 19 52 4 33 35 -0.25 32 0 0 3 57 37 12 41 11.4 63 146 47 3 52 58 4 2 15 3 50 46 4 4 28 -0.25 33 0 0 3 28 46 12 41 15.3 64 147 46 3 24 8 3 33 24 3 21 56 3 35 36 -0.25 34 0 0 3 0 11 12 41 19.2 65 148 45 2 55 34 3 4 49 2 53 22 3 7 1 -0.25 35 0 0 2 31 54 12 41 23.2 66 150 44 2 27 17 2 36 31 2 25 6 2 38 43 -0.25 36 0 0 2 3 55 12 41 27.1 67 151 43 1 59 19 2 8 32 1 57 7 2 10 43 -0.25 37 0 0 1 36 14 12 41 31.1 68 153 42 1 31 38 1 40 50 1 29 28 1 43 1 -0.25 38 0 0 1 8 53 12 41 35.1 69 155 41 1 4 18 1 13 28 1 2 7 1 15 39 -0.25 39 0 0 0 41 51 12 41 39.2 70 157 40 0 37 17 0 46 26 0 35 6 0 48 37 -0.25 40 0 0 0 15 10 12 41 43.2 70 159 39 0 10 36 0 19 45 0 8 26 0 21 55 -0.25 41 0 0 - 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6 51 54 - 7 2 43 - 6 49 50 -0.26 136 0 0 - 6 37 48 12 46 0.3 2 252 -58 - 6 42 11 - 6 33 25 - 6 44 15 - 6 31 20 -0.26 137 0 0 - 6 18 53 12 46 0.4 1 252 -59 - 6 23 16 - 6 14 29 - 6 25 21 - 6 12 24 -0.27 138 0 0 - 5 59 31 12 46 0.4 0 252 -60 - 6 3 55 - 5 55 7 - 6 6 0 - 5 53 2 -0.71 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.5 Data for the target star ------------------------ * name: TYC 6159-01276-1 * constellation : Libra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 14 49 33.2413 DE: -17 52 02.164 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 14 49 33.2411 DE: -17 52 02.163 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 11.2 * B mag [mag]: 11.5 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1088) Mitaka asteroid class: approx. diameter [km]: 15 approx. diameter ["]: 0.008 distance from Earth [AU]: 2.69660 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#58 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): 0.008", 0.002", 114.104° remarks: * orbital elements for (1088)Mitaka : Mean anomaly = 252.7586752315 deg Arg. of pericenter = 319.6131442560 deg Long. of node = 54.4558764691 deg Inclination = 7.6526688159 deg Eccentricity = 0.1954607371 Semimajor axis = 2.2019313067 AU Perihelion dist = 1.7715401905 AU Mag: H = 11.37, G = 0.15 Epoch of elements : MJD 60558.52953620 TDT (2024 Sep 05.5295) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#582023Apr24,0.50,2024,9,5,12.708870,0.086886,0.230886,15.664174,-5.864549,0.004640,-0.001489,-0.000001,0.000000 46.9831,-17.9695,-11.00,6.51,False TYC 6159-01276-1,14.82590040,-17.8672679,11.52,11.22,11.06,0.0,0,,14.84872401,-17.9694580,5.27,4.98,0,0,0 1088,Mitaka,16.48,14.957,2.6966,0,0,3.580,-19.12,,1.2,0 0,252.5989,2024,9,5,319.6131,54.4559,7.6527,0.19546,2.20193,1.77154,11.37,5.0,0.15 1.237,0.0080,0.0018,114,0.0018,Known errors,0.89,0,-1,-1 20240905_1276-1,60140.54 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 13:01 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org