IOTA/IOTA-ES occultation update for (1986) Plaut / TYC 280-00667-1 event on 2024 Dec 07, 09:09 UT Visible from Summary ------- On 2024 Dec 07 UT, the 19.7828945951092 km diameter asteroid (1986) Plaut will occult a 10.0 mag star in the constellation Virgo for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 8.52 mag to 18.55 mag (the magnitude of the asteroid) for at most 0.950 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 07, 09:04 - 2024 Dec 07, 09:14 * geocentric midpoint of event [JD]: 2460651.88140946 * magnitude of target star: 10.03 * magnitude drop [mag]: 8.52 * estimated maximum duration [s]: 0.950 * Moon: 37 % sunlit, 149° distance * Sun: 75° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 20 * 1 sigma uncertainty interval [path widths]: +/- 0.32 * 1 sigma uncertainty interval [seconds]: +/- 1.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.010, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.011", 0.002", 116°) * approx speed of asteroid's shadow [km/s]: 21.0436 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 280-00667-1 by 1986 Plaut on 2024 Dec 7 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 -121 0 0 15 50 55 9 4 13.0 0 90 -72 15 45 27 15 56 22 15 41 58 15 59 52 .... -120 0 0 15 50 46 9 4 13.1 1 90 -71 15 45 19 15 56 14 15 41 49 15 59 43 0.06 -119 0 0 15 50 15 9 4 13.2 2 90 -71 15 44 48 15 55 43 15 41 18 15 59 12 0.08 -118 0 0 15 49 23 9 4 13.5 3 91 -70 15 43 55 15 54 50 15 40 25 15 58 20 0.08 -117 0 0 15 48 7 9 4 13.8 4 91 -69 15 42 40 15 53 35 15 39 10 15 57 5 0.09 -116 0 0 15 46 30 9 4 14.3 5 91 -68 15 41 3 15 51 58 15 37 33 15 55 28 0.09 -115 0 0 15 44 31 9 4 14.8 6 92 -67 15 39 3 15 49 59 15 35 33 15 53 28 0.09 -114 0 0 15 42 9 9 4 15.4 7 92 -66 15 36 42 15 47 37 15 33 12 15 51 7 0.09 -113 0 0 15 39 26 9 4 16.1 8 92 -65 15 33 58 15 44 54 15 30 28 15 48 24 0.09 -112 0 0 15 36 20 9 4 16.8 9 92 -64 15 30 52 15 41 48 15 27 22 15 45 18 0.09 -111 0 0 15 32 52 9 4 17.7 10 93 -63 15 27 23 15 38 20 15 23 53 15 41 50 0.09 -110 0 0 15 29 1 9 4 18.7 11 93 -62 15 23 33 15 34 30 15 20 3 15 38 0 0.09 -109 0 0 15 24 49 9 4 19.7 12 93 -61 15 19 20 15 30 18 15 15 50 15 33 48 0.09 -108 0 0 15 20 14 9 4 20.8 13 93 -61 15 14 45 15 25 43 15 11 15 15 29 13 0.10 -107 0 0 15 15 17 9 4 22.0 14 94 -60 15 9 48 15 20 46 15 6 18 15 24 17 0.10 -106 0 0 15 9 58 9 4 23.3 15 94 -59 15 4 29 15 15 27 15 0 59 15 18 58 0.10 -105 0 0 15 4 17 9 4 24.7 16 94 -58 14 58 48 15 9 46 14 55 17 15 13 17 0.10 -104 0 0 14 58 13 9 4 26.2 17 94 -57 14 52 44 15 3 43 14 49 13 15 7 14 0.10 -103 0 0 14 51 48 9 4 27.7 18 95 -56 14 46 18 14 57 18 14 42 47 15 0 49 0.10 -102 0 0 14 45 0 9 4 29.4 19 95 -55 14 39 30 14 50 30 14 35 59 14 54 1 0.10 -101 0 0 14 37 50 9 4 31.1 20 95 -54 14 32 20 14 43 21 14 28 49 14 46 52 0.10 -100 0 0 14 30 18 9 4 32.9 21 95 -53 14 24 48 14 35 49 14 21 16 14 39 20 0.10 - 99 0 0 14 22 24 9 4 34.8 22 96 -52 14 16 54 14 27 55 14 13 22 14 31 27 0.10 - 98 0 0 14 14 8 9 4 36.8 23 96 -51 14 8 37 14 19 40 14 5 5 14 23 11 0.10 - 97 0 0 14 5 30 9 4 38.9 24 96 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51 11 46 4 11 31 16 11 49 39 0.10 - 83 0 0 11 26 50 9 5 17.1 38 99 -36 11 21 13 11 32 26 11 17 38 11 36 1 0.10 - 82 0 0 11 12 51 9 5 20.4 39 99 -35 11 7 14 11 18 28 11 3 38 11 22 4 0.10 - 81 0 0 10 58 32 9 5 23.9 40 99 -34 10 52 55 11 4 10 10 49 19 11 7 45 0.10 - 80 0 0 10 43 53 9 5 27.4 41 99 -33 10 38 15 10 49 31 10 34 39 10 53 7 0.10 - 79 0 0 10 28 54 9 5 31.0 42 99 -32 10 23 15 10 34 32 10 19 39 10 38 8 0.10 - 78 0 0 10 13 34 9 5 34.7 43 99 -31 10 7 55 10 19 13 10 4 19 10 22 50 0.10 - 77 0 0 9 57 55 9 5 38.5 44 99 -30 9 52 16 10 3 35 9 48 39 10 7 11 0.10 - 76 0 0 9 41 57 9 5 42.4 45 99 -29 9 36 17 9 47 36 9 32 40 9 51 14 0.10 - 75 0 0 9 25 39 9 5 46.3 46 100 -28 9 19 59 9 31 19 9 16 21 9 34 56 0.10 - 74 0 0 9 9 2 9 5 50.3 47 100 -27 9 3 21 9 14 42 8 59 43 9 18 20 0.10 - 73 0 0 8 52 6 9 5 54.4 48 100 -26 8 46 25 8 57 47 8 42 47 9 1 25 0.10 - 72 0 0 8 34 51 9 5 58.6 49 100 -25 8 29 10 8 40 33 8 25 31 8 44 11 0.10 - 71 0 0 8 17 19 9 6 2.8 50 100 -24 8 11 37 8 23 1 8 7 58 8 26 39 0.10 - 70 0 0 7 59 28 9 6 7.1 51 100 -23 7 53 45 8 5 10 7 50 6 8 8 49 0.10 - 69 0 0 7 41 19 9 6 11.5 52 100 -22 7 35 36 7 47 2 7 31 57 7 50 41 0.10 - 68 0 0 7 22 53 9 6 16.0 53 100 -21 7 17 9 7 28 36 7 13 30 7 32 15 0.10 - 67 0 0 7 4 9 9 6 20.5 54 100 -20 6 58 25 7 9 53 6 54 45 7 13 33 0.10 - 66 0 0 6 45 9 9 6 25.1 55 99 -19 6 39 24 6 50 53 6 35 44 6 54 33 0.10 - 65 0 0 6 25 52 9 6 29.8 56 99 -17 6 20 7 6 31 36 6 16 27 6 35 17 0.10 - 64 0 0 6 6 19 9 6 34.6 58 99 -16 6 0 34 6 12 4 5 56 53 6 15 44 0.10 - 63 0 0 5 46 30 9 6 39.4 59 99 -15 5 40 44 5 52 15 5 37 3 5 55 56 0.10 - 62 0 0 5 26 25 9 6 44.2 60 99 -14 5 20 39 5 32 11 5 16 58 5 35 52 0.10 - 61 0 0 5 6 6 9 6 49.2 61 99 -13 5 0 19 5 11 52 4 56 38 5 15 34 0.10 - 60 0 0 4 45 32 9 6 54.2 62 98 -12 4 39 45 4 51 18 4 36 3 4 55 0 0.10 - 59 0 0 4 24 43 9 6 59.2 63 98 -11 4 18 56 4 30 30 4 15 14 4 34 12 0.10 - 58 0 0 4 3 41 9 7 4.3 64 98 -10 3 57 53 4 9 28 3 54 11 4 13 11 0.10 - 57 0 0 3 42 25 9 7 9.5 65 97 -9 3 36 37 3 48 13 3 32 54 3 51 55 0.10 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46 - 1 24 32 0.10 - 42 0 0 - 1 57 45 9 8 32.2 80 77 7 - 2 3 38 - 1 51 53 - 2 7 23 - 1 48 8 0.10 - 41 0 0 - 2 21 27 9 8 37.9 81 73 9 - 2 27 19 - 2 15 34 - 2 31 4 - 2 11 49 0.10 - 40 0 0 - 2 45 12 9 8 43.7 82 69 10 - 2 51 5 - 2 39 20 - 2 54 50 - 2 35 34 0.10 - 39 0 0 - 3 9 1 9 8 49.5 83 63 11 - 3 14 54 - 3 3 9 - 3 18 40 - 2 59 23 0.10 - 38 0 0 - 3 32 54 9 8 55.2 83 55 12 - 3 38 47 - 3 27 1 - 3 42 32 - 3 23 16 0.10 - 37 0 0 - 3 56 49 9 9 1.0 84 47 13 - 4 2 41 - 3 50 56 - 4 6 27 - 3 47 10 0.10 - 36 0 0 - 4 20 45 9 9 6.8 84 37 14 - 4 26 38 - 4 14 52 - 4 30 24 - 4 11 7 0.10 - 35 0 0 - 4 44 43 9 9 12.6 85 25 15 - 4 50 36 - 4 38 50 - 4 54 22 - 4 35 5 0.10 - 34 0 0 - 5 8 42 9 9 18.4 85 14 16 - 5 14 35 - 5 2 49 - 5 18 21 - 4 59 3 0.10 - 33 0 0 - 5 32 40 9 9 24.2 84 3 17 - 5 38 33 - 5 26 48 - 5 42 19 - 5 23 2 0.09 - 32 0 0 - 5 56 38 9 9 30.0 84 353 18 - 6 2 31 - 5 50 46 - 6 6 17 - 5 47 0 0.09 - 31 0 0 - 6 20 35 9 9 35.7 83 345 19 - 6 26 28 - 6 14 42 - 6 30 14 - 6 10 57 0.09 - 30 0 0 - 6 44 30 9 9 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12 44.7 46 292 59 -19 51 25 -19 40 2 -19 55 3 -19 36 24 0.09 8 0 0 -20 2 16 9 12 48.5 45 291 60 -20 7 57 -19 56 35 -20 11 35 -19 52 57 0.09 9 0 0 -20 18 30 9 12 52.1 44 291 61 -20 24 10 -20 12 49 -20 27 48 -20 9 12 0.09 10 0 0 -20 34 25 9 12 55.7 43 290 62 -20 40 5 -20 28 45 -20 43 42 -20 25 8 0.09 11 0 0 -20 50 1 9 12 59.2 42 290 63 -20 55 41 -20 44 22 -20 59 18 -20 40 45 0.09 12 0 0 -21 5 19 9 13 2.7 41 290 64 -21 10 58 -20 59 40 -21 14 35 -20 56 3 0.09 13 0 0 -21 20 17 9 13 6.0 40 289 65 -21 25 56 -21 14 39 -21 29 32 -21 11 2 0.09 14 0 0 -21 34 56 9 13 9.3 39 289 66 -21 40 34 -21 29 18 -21 44 11 -21 25 42 0.09 15 0 0 -21 49 16 9 13 12.5 38 288 67 -21 54 54 -21 43 38 -21 58 30 -21 40 2 0.09 16 0 0 -22 3 16 9 13 15.6 37 288 68 -22 8 54 -21 57 39 -22 12 29 -21 54 3 0.09 17 0 0 -22 16 57 9 13 18.6 36 287 69 -22 22 34 -22 11 20 -22 26 9 -22 7 45 0.09 18 0 0 -22 30 18 9 13 21.6 35 287 70 -22 35 54 -22 24 41 -22 39 29 -22 21 6 0.09 19 0 0 -22 43 19 9 13 24.4 34 287 71 -22 48 55 -22 37 43 -22 52 30 -22 34 8 0.09 20 0 0 -22 56 0 9 13 27.2 33 286 72 -23 1 35 -22 50 24 -23 5 10 -22 46 50 0.09 21 0 0 -23 8 21 9 13 30.0 32 286 73 -23 13 56 -23 2 46 -23 17 30 -22 59 11 0.09 22 0 0 -23 20 22 9 13 32.6 31 285 74 -23 25 56 -23 14 47 -23 29 31 -23 11 13 0.09 23 0 0 -23 32 2 9 13 35.2 30 285 75 -23 37 37 -23 26 28 -23 41 11 -23 22 54 0.09 24 0 0 -23 43 23 9 13 37.6 29 284 76 -23 48 57 -23 37 49 -23 52 31 -23 34 16 0.09 25 0 0 -23 54 23 9 13 40.0 28 284 77 -23 59 57 -23 48 50 -24 3 30 -23 45 16 0.09 26 0 0 -24 5 3 9 13 42.4 27 283 77 -24 10 36 -23 59 30 -24 14 9 -23 55 57 0.09 27 0 0 -24 15 23 9 13 44.6 26 283 78 -24 20 55 -24 9 50 -24 24 28 -24 6 17 0.09 28 0 0 -24 25 22 9 13 46.8 25 283 79 -24 30 54 -24 19 49 -24 34 27 -24 16 17 0.09 29 0 0 -24 35 0 9 13 48.9 24 282 80 -24 40 32 -24 29 28 -24 44 5 -24 25 56 0.09 30 0 0 -24 44 18 9 13 50.9 24 282 81 -24 49 50 -24 38 46 -24 53 22 -24 35 14 0.09 31 0 0 -24 53 16 9 13 52.8 23 281 82 -24 58 47 -24 47 44 -25 2 19 -24 44 12 0.09 32 0 0 -25 1 53 9 13 54.6 22 281 83 -25 7 24 -24 56 21 -25 10 56 -24 52 50 0.09 33 0 0 -25 10 9 9 13 56.4 21 280 83 -25 15 40 -25 4 38 -25 19 11 -25 1 6 0.09 34 0 0 -25 18 5 9 13 58.1 20 280 84 -25 23 35 -25 12 34 -25 27 7 -25 9 3 0.09 35 0 0 -25 25 40 9 13 59.7 19 280 85 -25 31 10 -25 20 9 -25 34 41 -25 16 38 0.09 36 0 0 -25 32 54 9 14 1.3 18 279 85 -25 38 24 -25 27 24 -25 41 55 -25 23 53 0.09 37 0 0 -25 39 48 9 14 2.7 17 279 86 -25 45 18 -25 34 18 -25 48 49 -25 30 47 0.09 38 0 0 -25 46 21 9 14 4.1 16 278 86 -25 51 50 -25 40 51 -25 55 21 -25 37 21 0.09 39 0 0 -25 52 33 9 14 5.4 15 278 86 -25 58 3 -25 47 4 -26 1 33 -25 43 34 0.09 40 0 0 -25 58 25 9 14 6.7 14 277 86 -26 3 54 -25 52 56 -26 7 25 -25 49 26 0.09 41 0 0 -26 3 56 9 14 7.8 13 277 86 -26 9 25 -25 58 27 -26 12 56 -25 54 57 0.09 42 0 0 -26 9 7 9 14 8.9 13 276 85 -26 14 35 -26 3 38 -26 18 6 -26 0 8 0.09 43 0 0 -26 13 57 9 14 9.9 12 276 85 -26 19 25 -26 8 28 -26 22 55 -26 4 58 0.09 44 0 0 -26 18 26 9 14 10.8 11 276 84 -26 23 54 -26 12 57 -26 27 24 -26 9 28 0.09 45 0 0 -26 22 34 9 14 11.7 10 275 83 -26 28 2 -26 17 6 -26 31 32 -26 13 36 0.10 46 0 0 -26 26 22 9 14 12.5 9 275 83 -26 31 50 -26 20 54 -26 35 20 -26 17 24 0.10 47 0 0 -26 29 49 9 14 13.2 8 274 82 -26 35 17 -26 24 22 -26 38 47 -26 20 52 0.10 48 0 0 -26 32 56 9 14 13.8 7 274 81 -26 38 24 -26 27 28 -26 41 54 -26 23 59 0.10 49 0 0 -26 35 42 9 14 14.4 6 273 80 -26 41 10 -26 30 14 -26 44 39 -26 26 45 0.10 50 0 0 -26 38 8 9 14 14.8 5 273 79 -26 43 35 -26 32 40 -26 47 5 -26 29 11 0.10 51 0 0 -26 40 12 9 14 15.2 4 272 79 -26 45 40 -26 34 45 -26 49 10 -26 31 16 0.10 52 0 0 -26 41 57 9 14 15.6 4 272 78 -26 47 24 -26 36 29 -26 50 54 -26 33 0 0.10 53 0 0 -26 43 21 9 14 15.8 3 272 77 -26 48 48 -26 37 53 -26 52 17 -26 34 24 0.11 54 0 0 -26 44 24 9 14 16.0 2 271 76 -26 49 51 -26 38 57 -26 53 21 -26 35 27 0.12 55 0 0 -26 45 7 9 14 16.1 1 271 75 -26 50 34 -26 39 39 -26 54 3 -26 36 10 0.14 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 280-00667-1 * constellation : Virgo * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 12 03 44.7548 DE: +00 20 47.130 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 12 03 44.7553 DE: +00 20 47.127 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.300,0.300) * V mag [mag]: 10.0 * B mag [mag]: 10.4 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1986) Plaut asteroid class: approx. diameter [km]: 20 approx. diameter ["]: 0.007 distance from Earth [AU]: 3.72420 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#54 date of fit: 2023 Apr 27 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): 0.011", 0.002", 115.989° remarks: * orbital elements for (1986)Plaut : Mean anomaly = 135.7452033339 deg Arg. of pericenter = 229.4434992226 deg Long. of node = 146.5519273459 deg Inclination = 2.2137453420 deg Eccentricity = 0.2040070456 Semimajor axis = 3.0899168888 AU Perihelion dist = 2.4595520732 AU Mag: H = 12.07, G = 0.15 Epoch of elements : MJD 60651.38140979 TDT (2024 Dec 07.3814) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#542023Apr27,0.95,2024,12,7,9.153827,-0.036731,-0.087178,11.075724,-4.290224,-0.005389,0.002358,0.000000,0.000000 -32.6872,0.2083,40.60,-22.68,False TYC 280-00667-1,12.06243186,0.3464253,10.40,10.03,9.83,0.1,0,,12.08361397,0.2082702,8.52,8.27,0,0,0 1986,Plaut,18.55,20.053,3.7242,0,0,1.744,-10.13,,1.4,0 0,135.6760,2024,12,7,229.4435,146.5519,2.2137,0.20401,3.08992,2.45955,12.07,5.0,0.15 1.320,0.0107,0.0022,116,0.0024,Known errors,1.06,0,-1,-1 20241207_0667-1,60140.73 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:31 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org