IOTA/IOTA-ES occultation update for (1466) Mundleria / TYC 170-00298-1 event on 2024 Dec 18, 03:25 UT Visible from Summary ------- On 2024 Dec 18 UT, the 21.5467999725812 km diameter asteroid (1466) Mundleria will occult a 10.9 mag star in the constellation Monoceros for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 5.14 mag to 16.05 mag (the magnitude of the asteroid) for at most 2.000 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 Dec 18, 03:18 - 2024 Dec 18, 03:32 * geocentric midpoint of event [JD]: 2460662.64288992 * magnitude of target star: 10.92 * magnitude drop [mag]: 5.14 * estimated maximum duration [s]: 2.000 * Moon: 91 % sunlit, 26° distance * Sun: 153° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 31 * 1 sigma uncertainty interval [path widths]: +/- 0.20 * 1 sigma uncertainty interval [seconds]: +/- 2.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.020, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.020", 0.003", 88°) * approx speed of asteroid's shadow [km/s]: 10.8575 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 170-00298-1 by 1466 Mundleria on 2024 Dec 18 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 -119 0 0 -40 11 59 3 32 40.5 0 83 -2 -40 3 36 .. .. .. -40 0 10 .. .. .. .... -118 0 0 -40 6 19 3 32 40.4 1 82 -3 -39 57 56 -40 14 43 -39 54 30 -40 18 10 0.42 -117 0 0 -40 0 45 3 32 40.2 2 82 -4 -39 52 22 -40 9 9 -39 48 56 -40 12 36 0.71 -116 0 0 -39 55 17 3 32 39.8 2 81 -4 -39 46 54 -40 3 40 -39 43 28 -40 7 8 0.81 -115 0 0 -39 49 55 3 32 39.3 3 80 -5 -39 41 33 -39 58 19 -39 38 7 -40 1 46 0.86 -114 0 0 -39 44 40 3 32 38.6 4 80 -6 -39 36 18 -39 53 4 -39 32 52 -39 56 31 0.89 -113 0 0 -39 39 32 3 32 37.8 5 79 -6 -39 31 10 -39 47 55 -39 27 44 -39 51 22 0.91 -112 0 0 -39 34 30 3 32 36.8 5 78 -7 -39 26 8 -39 42 53 -39 22 43 -39 46 20 0.92 -111 0 0 -39 29 35 3 32 35.7 6 78 -8 -39 21 13 -39 37 58 -39 17 48 -39 41 25 0.93 -110 0 0 -39 24 47 3 32 34.4 7 77 -8 -39 16 26 -39 33 10 -39 13 0 -39 36 37 0.94 -109 0 0 -39 20 6 3 32 33.0 8 77 -9 -39 11 45 -39 28 29 -39 8 19 -39 31 55 0.95 -108 0 0 -39 15 32 3 32 31.4 8 76 -10 -39 7 11 -39 23 55 -39 3 46 -39 27 21 0.95 -107 0 0 -39 11 6 3 32 29.7 9 75 -10 -39 2 45 -39 19 28 -38 59 19 -39 22 54 0.96 -106 0 0 -39 6 46 3 32 27.8 10 75 -11 -38 58 25 -39 15 8 -38 55 0 -39 18 35 0.96 -105 0 0 -39 2 34 3 32 25.8 11 74 -12 -38 54 13 -39 10 56 -38 50 48 -39 14 22 0.96 -104 0 0 -38 58 29 3 32 23.7 12 73 -12 -38 50 9 -39 6 51 -38 46 44 -39 10 18 0.97 -103 0 0 -38 54 32 3 32 21.3 12 73 -13 -38 46 12 -39 2 54 -38 42 47 -39 6 20 0.97 -102 0 0 -38 50 43 3 32 18.9 13 72 -13 -38 42 22 -38 59 4 -38 38 57 -39 2 30 0.97 -101 0 0 -38 47 1 3 32 16.3 14 71 -14 -38 38 40 -38 55 22 -38 35 16 -38 58 48 0.97 -100 0 0 -38 43 26 3 32 13.5 15 71 -14 -38 35 6 -38 51 48 -38 31 41 -38 55 14 0.98 - 99 0 0 -38 40 0 3 32 10.6 15 70 -15 -38 31 40 -38 48 21 -38 28 15 -38 51 47 0.98 - 98 0 0 -38 36 41 3 32 7.6 16 69 -16 -38 28 21 -38 45 2 -38 24 57 -38 48 28 0.98 - 97 0 0 -38 33 31 3 32 4.5 17 69 -16 -38 25 11 -38 41 51 -38 21 46 -38 45 17 0.98 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34 19 -38 57 48 1.00 - 47 0 0 -38 49 37 3 27 8.7 44 21 -28 -38 41 18 -38 57 58 -38 37 54 -39 1 23 1.00 - 46 0 0 -38 53 20 3 27 1.1 44 19 -28 -38 45 0 -39 1 40 -38 41 36 -39 5 6 1.00 - 45 0 0 -38 57 9 3 26 53.5 44 18 -27 -38 48 50 -39 5 30 -38 45 25 -39 8 55 1.00 - 44 0 0 -39 1 5 3 26 45.8 44 17 -27 -38 52 46 -39 9 26 -38 49 21 -39 12 52 1.00 - 43 0 0 -39 5 9 3 26 38.1 44 15 -27 -38 56 49 -39 13 30 -38 53 24 -39 16 56 1.00 - 42 0 0 -39 9 19 3 26 30.5 45 14 -27 -39 0 59 -39 17 40 -38 57 35 -39 21 6 1.00 - 41 0 0 -39 13 36 3 26 22.8 45 13 -27 -39 5 16 -39 21 57 -39 1 51 -39 25 23 1.00 - 40 0 0 -39 18 0 3 26 15.1 45 11 -26 -39 9 40 -39 26 21 -39 6 15 -39 29 47 1.00 - 39 0 0 -39 22 30 3 26 7.3 45 10 -26 -39 14 10 -39 30 51 -39 10 45 -39 34 17 1.00 - 38 0 0 -39 27 7 3 25 59.6 45 9 -26 -39 18 47 -39 35 28 -39 15 22 -39 38 54 1.00 - 37 0 0 -39 31 50 3 25 51.9 45 7 -26 -39 23 30 -39 40 12 -39 20 5 -39 43 38 1.00 - 36 0 0 -39 36 39 3 25 44.2 45 6 -25 -39 28 19 -39 45 1 -39 24 54 -39 48 28 1.00 - 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1.02 14 0 0 -45 9 14 3 20 19.4 26 309 0 -45 0 47 -45 17 42 -44 57 20 -45 21 11 1.02 15 0 0 -45 16 45 3 20 15.0 25 308 1 -45 8 18 -45 25 13 -45 4 51 -45 28 42 1.02 16 0 0 -45 24 16 3 20 10.7 25 307 2 -45 15 49 -45 32 44 -45 12 21 -45 36 12 1.02 17 0 0 -45 31 45 3 20 6.5 24 307 2 -45 23 19 -45 40 14 -45 19 51 -45 43 42 1.02 18 0 0 -45 39 15 3 20 2.4 23 306 3 -45 30 48 -45 47 43 -45 27 20 -45 51 12 1.02 19 0 0 -45 46 43 3 19 58.5 23 305 4 -45 38 17 -45 55 11 -45 34 49 -45 58 40 1.02 20 0 0 -45 54 11 3 19 54.6 22 304 4 -45 45 44 -46 2 39 -45 42 17 -46 6 8 1.02 21 0 0 -46 1 38 3 19 50.9 21 303 5 -45 53 11 -46 10 6 -45 49 43 -46 13 35 1.02 22 0 0 -46 9 3 3 19 47.3 21 302 6 -46 0 36 -46 17 31 -45 57 9 -46 21 0 1.02 23 0 0 -46 16 27 3 19 43.7 20 302 6 -46 8 0 -46 24 55 -46 4 33 -46 28 24 1.02 24 0 0 -46 23 50 3 19 40.3 19 301 7 -46 15 23 -46 32 18 -46 11 55 -46 35 47 1.02 25 0 0 -46 31 11 3 19 37.0 19 300 8 -46 22 44 -46 39 39 -46 19 17 -46 43 8 1.02 26 0 0 -46 38 30 3 19 33.9 18 299 8 -46 30 4 -46 46 58 -46 26 36 -46 50 27 1.02 27 0 0 -46 45 48 3 19 30.8 18 299 9 -46 37 21 -46 54 16 -46 33 54 -46 57 45 1.02 28 0 0 -46 53 3 3 19 27.9 17 298 10 -46 44 37 -47 1 31 -46 41 9 -47 5 0 1.02 29 0 0 -47 0 17 3 19 25.0 16 297 10 -46 51 50 -47 8 45 -46 48 23 -47 12 14 1.02 30 0 0 -47 7 28 3 19 22.3 16 296 11 -46 59 1 -47 15 56 -46 55 34 -47 19 25 1.02 31 0 0 -47 14 37 3 19 19.7 15 295 12 -47 6 10 -47 23 5 -47 2 43 -47 26 33 1.03 32 0 0 -47 21 43 3 19 17.2 14 295 12 -47 13 17 -47 30 11 -47 9 49 -47 33 40 1.03 33 0 0 -47 28 47 3 19 14.8 14 294 13 -47 20 20 -47 37 15 -47 16 53 -47 40 43 1.03 34 0 0 -47 35 48 3 19 12.6 13 293 14 -47 27 22 -47 44 16 -47 23 54 -47 47 44 1.03 35 0 0 -47 42 46 3 19 10.4 12 292 14 -47 34 20 -47 51 14 -47 30 52 -47 54 42 1.03 36 0 0 -47 49 41 3 19 8.4 12 292 15 -47 41 15 -47 58 9 -47 37 48 -48 1 38 1.03 37 0 0 -47 56 34 3 19 6.5 11 291 16 -47 48 8 -48 5 1 -47 44 40 -48 8 30 1.03 38 0 0 -48 3 23 3 19 4.7 10 290 16 -47 54 57 -48 11 50 -47 51 29 -48 15 19 1.03 39 0 0 -48 10 9 3 19 3.0 10 289 17 -48 1 43 -48 18 36 -47 58 15 -48 22 4 1.03 40 0 0 -48 16 51 3 19 1.4 9 289 18 -48 8 25 -48 25 18 -48 4 58 -48 28 46 1.04 41 0 0 -48 23 30 3 19 0.0 8 288 18 -48 15 4 -48 31 57 -48 11 37 -48 35 25 1.04 42 0 0 -48 30 5 3 18 58.6 8 287 19 -48 21 39 -48 38 32 -48 18 12 -48 42 0 1.04 43 0 0 -48 36 36 3 18 57.4 7 286 20 -48 28 11 -48 45 3 -48 24 44 -48 48 31 1.05 44 0 0 -48 43 4 3 18 56.3 6 286 20 -48 34 39 -48 51 31 -48 31 12 -48 54 59 1.05 45 0 0 -48 49 28 3 18 55.3 6 285 21 -48 41 3 -48 57 54 -48 37 36 -49 1 22 1.05 46 0 0 -48 55 47 3 18 54.4 5 284 22 -48 47 22 -49 4 14 -48 43 55 -49 7 42 1.06 47 0 0 -49 2 3 3 18 53.6 4 283 22 -48 53 38 -49 10 29 -48 50 11 -49 13 57 1.07 48 0 0 -49 8 14 3 18 52.9 4 283 23 -48 59 49 -49 16 40 -48 56 23 -49 20 8 1.08 49 0 0 -49 14 21 3 18 52.4 3 282 24 -49 5 56 -49 22 47 -49 2 30 -49 26 15 1.10 50 0 0 -49 20 24 3 18 52.0 2 281 24 -49 11 59 -49 28 49 -49 8 32 -49 32 17 1.12 51 0 0 -49 26 22 3 18 51.6 2 280 25 -49 17 57 -49 34 47 -49 14 31 -49 38 15 1.17 52 0 0 -49 32 15 3 18 51.4 1 279 25 -49 23 51 -49 40 41 -49 20 24 -49 44 8 1.27 53 0 0 -49 38 4 3 18 51.3 0 279 26 -49 29 40 -49 46 29 -49 26 13 -49 49 57 1.75 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 170-00298-1 * constellation : Monoceros * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 07 06 04.3610 DE: +05 26 43.930 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 07 06 04.3610 DE: +05 26 43.930 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 10.9 * B mag [mag]: 11.5 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1466) Mundleria asteroid class: approx. diameter [km]: 22 approx. diameter ["]: 0.018 distance from Earth [AU]: 1.67110 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#54 date of fit: 2022 Nov 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): 0.020", 0.003", 88.115° remarks: * orbital elements for (1466)Mundleria : Mean anomaly = 242.8374162885 deg Arg. of pericenter = 75.3557799167 deg Long. of node = 154.8067025588 deg Inclination = 13.1380183350 deg Eccentricity = 0.1555630943 Semimajor axis = 2.3786136268 AU Perihelion dist = 2.0085891309 AU Mag: H = 12.23, G = 0.15 Epoch of elements : MJD 60662.14289096 TDT (2024 Dec 18.1429) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#542022Nov25,2.00,2024,12,18,3.429358,-0.058726,-0.703647,-6.107053,0.509628,-0.001896,0.001838,0.000001,0.000000 -31.8255,5.4078,127.72,-23.40,False TYC 170-00298-1,7.10121139,5.4455362,11.53,10.92,10.59,0.1,0,,7.12373612,5.4078465,5.14,5.02,0,0,0 1466,Mundleria,16.05,21.668,1.6711,0,0,-2.152,2.69,,1.2,0 0,242.7990,2024,12,18,75.3558,154.8067,13.1380,0.15556,2.37861,2.00859,12.23,5.0,0.15 1.205,0.0200,0.0028,88,0.0037,Known errors,0.89,0,-1,-1 20241218_0298-1,60140.74 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:51 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org