IOTA/IOTA-ES occultation update for (2012) Guo / TYC 5782-00519-1 event on 2024 Nov 27, 20:01 UT Visible from Summary ------- On 2024 Nov 27 UT, the 12.0264256254548 km diameter asteroid (2012) Guo will occult a 10.0 mag star in the constellation Aquarius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.87 mag to 17.84 mag (the magnitude of the asteroid) for at most 0.370 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 Nov 27, 19:58 - 2024 Nov 27, 20:04 * geocentric midpoint of event [JD]: 2460642.33417450 * magnitude of target star: 9.97 * magnitude drop [mag]: 7.87 * estimated maximum duration [s]: 0.370 * Moon: 11 % sunlit, 107° distance * Sun: 68° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 13 * 1 sigma uncertainty interval [path widths]: +/- 0.33 * 1 sigma uncertainty interval [seconds]: +/- 0.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.016, +/- 0.006) * 1 sigma uncertainty ellipse (major, minor, PA): (0.017", 0.003", 71°) * approx speed of asteroid's shadow [km/s]: 32.5992 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5782-00519-1 by 2012 Guo on 2024 Nov 27 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 -141 0 0 - 0 55 21 19 58 4.0 0 104 63 - 0 58 52 - 0 51 49 - 1 1 13 - 0 49 28 .... -140 0 0 - 1 10 29 19 58 4.1 1 104 64 - 1 14 0 - 1 6 57 - 1 16 20 - 1 4 37 -0.07 -139 0 0 - 1 25 16 19 58 4.2 2 104 64 - 1 28 48 - 1 21 45 - 1 31 8 - 1 19 25 -0.17 -138 0 0 - 1 39 44 19 58 4.4 3 104 65 - 1 43 15 - 1 36 13 - 1 45 35 - 1 33 53 -0.20 -137 0 0 - 1 53 51 19 58 4.6 4 104 66 - 1 57 22 - 1 50 20 - 1 59 41 - 1 48 0 -0.22 -136 0 0 - 2 7 37 19 58 4.9 5 104 67 - 2 11 7 - 2 4 6 - 2 13 27 - 2 1 47 -0.23 -135 0 0 - 2 21 2 19 58 5.3 6 104 67 - 2 24 32 - 2 17 32 - 2 26 52 - 2 15 12 -0.24 -134 0 0 - 2 34 6 19 58 5.7 7 104 68 - 2 37 36 - 2 30 36 - 2 39 55 - 2 28 17 -0.24 -133 0 0 - 2 46 48 19 58 6.2 8 104 69 - 2 50 18 - 2 43 19 - 2 52 37 - 2 41 0 -0.24 -132 0 0 - 2 59 9 19 58 6.7 9 104 69 - 3 2 39 - 2 55 40 - 3 4 58 - 2 53 21 -0.25 -131 0 0 - 3 11 8 19 58 7.4 10 104 70 - 3 14 38 - 3 7 39 - 3 16 56 - 3 5 20 -0.25 -130 0 0 - 3 22 46 19 58 8.0 11 104 71 - 3 26 15 - 3 19 17 - 3 28 33 - 3 16 58 -0.25 -129 0 0 - 3 34 1 19 58 8.8 12 104 71 - 3 37 29 - 3 30 32 - 3 39 48 - 3 28 13 -0.25 -128 0 0 - 3 44 54 19 58 9.6 13 104 72 - 3 48 22 - 3 41 25 - 3 50 40 - 3 39 7 -0.26 -127 0 0 - 3 55 24 19 58 10.5 14 104 72 - 3 58 52 - 3 51 56 - 4 1 10 - 3 49 37 -0.26 -126 0 0 - 4 5 32 19 58 11.4 15 104 72 - 4 9 0 - 4 2 4 - 4 11 18 - 3 59 46 -0.26 -125 0 0 - 4 15 17 19 58 12.4 16 104 73 - 4 18 45 - 4 11 49 - 4 21 3 - 4 9 31 -0.26 -124 0 0 - 4 24 40 19 58 13.4 17 104 73 - 4 28 7 - 4 21 12 - 4 30 25 - 4 18 54 -0.26 -123 0 0 - 4 33 39 19 58 14.5 19 104 73 - 4 37 7 - 4 30 12 - 4 39 24 - 4 27 54 -0.26 -122 0 0 - 4 42 16 19 58 15.7 20 103 73 - 4 45 43 - 4 38 48 - 4 48 1 - 4 36 31 -0.26 -121 0 0 - 4 50 29 19 58 16.9 21 103 73 - 4 53 56 - 4 47 2 - 4 56 14 - 4 44 45 -0.26 -120 0 0 - 4 58 19 19 58 18.2 22 103 73 - 5 1 46 - 4 54 52 - 5 4 4 - 4 52 35 -0.26 -119 0 0 - 5 5 46 19 58 19.6 23 103 73 - 5 9 13 - 5 2 19 - 5 11 30 - 5 0 2 -0.26 -118 0 0 - 5 12 50 19 58 20.9 24 103 73 - 5 16 16 - 5 9 23 - 5 18 33 - 5 7 6 -0.26 -117 0 0 - 5 19 30 19 58 22.4 25 103 73 - 5 22 56 - 5 16 3 - 5 25 13 - 5 13 46 -0.27 -116 0 0 - 5 25 46 19 58 23.9 26 103 73 - 5 29 13 - 5 22 20 - 5 31 29 - 5 20 3 -0.27 -115 0 0 - 5 31 39 19 58 25.5 27 103 73 - 5 35 5 - 5 28 13 - 5 37 22 - 5 25 56 -0.27 -114 0 0 - 5 37 8 19 58 27.1 28 103 72 - 5 40 34 - 5 33 42 - 5 42 51 - 5 31 25 -0.27 -113 0 0 - 5 42 13 19 58 28.8 29 103 72 - 5 45 39 - 5 38 47 - 5 47 56 - 5 36 30 -0.27 -112 0 0 - 5 46 54 19 58 30.5 30 103 71 - 5 50 20 - 5 43 28 - 5 52 37 - 5 41 12 -0.27 -111 0 0 - 5 51 12 19 58 32.3 30 103 71 - 5 54 38 - 5 47 46 - 5 56 54 - 5 45 29 -0.27 -110 0 0 - 5 55 5 19 58 34.1 31 103 70 - 5 58 31 - 5 51 39 - 6 0 48 - 5 49 23 -0.27 -109 0 0 - 5 58 35 19 58 36.0 32 103 70 - 6 2 0 - 5 55 9 - 6 4 17 - 5 52 53 -0.27 -108 0 0 - 6 1 40 19 58 37.9 33 103 69 - 6 5 6 - 5 58 14 - 6 7 22 - 5 55 58 -0.27 -107 0 0 - 6 4 21 19 58 39.9 34 103 68 - 6 7 47 - 6 0 56 - 6 10 3 - 5 58 39 -0.27 -106 0 0 - 6 6 39 19 58 41.9 35 103 68 - 6 10 4 - 6 3 13 - 6 12 20 - 6 0 57 -0.27 -105 0 0 - 6 8 31 19 58 44.0 36 103 67 - 6 11 57 - 6 5 6 - 6 14 13 - 6 2 50 -0.27 -104 0 0 - 6 10 0 19 58 46.2 37 103 66 - 6 13 26 - 6 6 35 - 6 15 42 - 6 4 18 -0.27 -103 0 0 - 6 11 5 19 58 48.3 38 103 66 - 6 14 30 - 6 7 39 - 6 16 46 - 6 5 23 -0.27 -102 0 0 - 6 11 45 19 58 50.6 39 103 65 - 6 15 10 - 6 8 19 - 6 17 27 - 6 6 3 -0.27 -101 0 0 - 6 12 1 19 58 52.8 40 103 64 - 6 15 26 - 6 8 35 - 6 17 42 - 6 6 19 -0.27 -100 0 0 - 6 11 52 19 58 55.2 41 104 63 - 6 15 18 - 6 8 27 - 6 17 34 - 6 6 11 -0.27 - 99 0 0 - 6 11 20 19 58 57.5 42 104 62 - 6 14 45 - 6 7 54 - 6 17 1 - 6 5 38 -0.27 - 98 0 0 - 6 10 23 19 59 0.0 43 104 62 - 6 13 48 - 6 6 57 - 6 16 5 - 6 4 41 -0.27 - 97 0 0 - 6 9 2 19 59 2.4 44 104 61 - 6 12 27 - 6 5 36 - 6 14 43 - 6 3 20 -0.27 - 96 0 0 - 6 7 16 19 59 4.9 45 104 60 - 6 10 41 - 6 3 50 - 6 12 58 - 6 1 34 -0.27 - 95 0 0 - 6 5 6 19 59 7.5 46 104 59 - 6 8 32 - 6 1 40 - 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31 0 0 9 1 4 20 2 40.1 59 222 -6 8 57 24 9 4 44 8 54 58 9 7 11 -0.27 - 30 0 0 9 24 20 20 2 43.3 58 223 -7 9 20 39 9 28 0 9 18 13 9 30 26 -0.27 - 29 0 0 9 47 43 20 2 46.5 57 224 -8 9 44 2 9 51 23 9 41 36 9 53 50 -0.27 - 28 0 0 10 11 13 20 2 49.7 56 225 -9 10 7 32 10 14 54 10 5 5 10 17 20 -0.27 - 27 0 0 10 34 49 20 2 52.8 55 226 -10 10 31 8 10 38 30 10 28 42 10 40 57 -0.27 - 26 0 0 10 58 31 20 2 55.9 54 226 -11 10 54 50 11 2 13 10 52 24 11 4 39 -0.27 - 25 0 0 11 22 19 20 2 58.9 53 227 -12 11 18 37 11 26 0 11 16 11 11 28 27 -0.27 - 24 0 0 11 46 11 20 3 1.9 52 228 -13 11 42 29 11 49 52 11 40 2 11 52 19 -0.27 - 23 0 0 12 10 7 20 3 4.8 51 228 -14 12 6 25 12 13 48 12 3 58 12 16 15 -0.27 - 22 0 0 12 34 6 20 3 7.7 50 229 -15 12 30 24 12 37 48 12 27 57 12 40 15 -0.27 - 21 0 0 12 58 8 20 3 10.6 49 230 -16 12 54 26 13 1 50 12 51 59 13 4 17 -0.27 - 20 0 0 13 22 12 20 3 13.4 48 230 -17 13 18 30 13 25 54 13 16 3 13 28 21 -0.27 - 19 0 0 13 46 18 20 3 16.2 47 231 -19 13 42 36 13 50 0 13 40 9 13 52 27 -0.27 - 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5 0 0 19 20 36 20 3 49.2 33 238 -33 19 16 54 19 24 18 19 14 27 19 26 45 -0.27 - 4 0 0 19 43 52 20 3 51.1 32 238 -34 19 40 11 19 47 34 19 37 44 19 50 1 -0.27 - 3 0 0 20 7 1 20 3 53.0 31 239 -35 20 3 19 20 10 42 20 0 52 20 13 9 -0.27 - 2 0 0 20 30 1 20 3 54.8 30 239 -36 20 26 20 20 33 42 20 23 53 20 36 9 -0.27 - 1 0 0 20 52 52 20 3 56.6 29 240 -37 20 49 11 20 56 34 20 46 45 20 59 1 -0.27 0 0 0 21 15 35 20 3 58.2 28 240 -38 21 11 54 21 19 16 21 9 27 21 21 42 -0.27 1 0 0 21 38 7 20 3 59.9 27 240 -39 21 34 26 21 41 48 21 32 0 21 44 15 -0.27 2 0 0 22 0 29 20 4 1.4 26 241 -40 21 56 48 22 4 10 21 54 22 22 6 36 -0.27 3 0 0 22 22 41 20 4 2.9 25 241 -41 22 19 0 22 26 21 22 16 34 22 28 48 -0.27 4 0 0 22 44 41 20 4 4.4 24 242 -42 22 41 0 22 48 21 22 38 34 22 50 48 -0.27 5 0 0 23 6 30 20 4 5.8 23 242 -43 23 2 49 23 10 10 23 0 23 23 12 36 -0.27 6 0 0 23 28 6 20 4 7.1 22 243 -44 23 24 26 23 31 46 23 22 0 23 34 12 -0.27 7 0 0 23 49 31 20 4 8.3 21 243 -45 23 45 51 23 53 10 23 43 25 23 55 36 -0.27 8 0 0 24 10 42 20 4 9.5 20 244 -46 24 7 3 24 14 22 24 4 37 24 16 47 -0.27 9 0 0 24 31 41 20 4 10.7 19 244 -47 24 28 1 24 35 20 24 25 36 24 37 45 -0.27 10 0 0 24 52 25 20 4 11.7 18 244 -48 24 48 46 24 56 5 24 46 21 24 58 30 -0.27 11 0 0 25 12 56 20 4 12.7 17 245 -49 25 9 18 25 16 35 25 6 52 25 19 1 -0.27 12 0 0 25 33 13 20 4 13.7 16 245 -50 25 29 35 25 36 52 25 27 10 25 39 17 -0.27 13 0 0 25 53 16 20 4 14.6 15 246 -51 25 49 37 25 56 54 25 47 12 25 59 19 -0.27 14 0 0 26 13 3 20 4 15.4 14 246 -51 26 9 25 26 16 41 26 7 0 26 19 6 -0.27 15 0 0 26 32 35 20 4 16.2 13 247 -52 26 28 57 26 36 13 26 26 33 26 38 38 -0.27 16 0 0 26 51 52 20 4 16.9 12 247 -53 26 48 15 26 55 30 26 45 50 26 57 54 -0.27 17 0 0 27 10 53 20 4 17.6 11 248 -54 27 7 16 27 14 31 27 4 52 27 16 55 -0.27 18 0 0 27 29 39 20 4 18.2 10 248 -55 27 26 2 27 33 16 27 23 38 27 35 40 -0.27 19 0 0 27 48 8 20 4 18.8 9 249 -56 27 44 31 27 51 45 27 42 7 27 54 8 -0.27 20 0 0 28 6 20 20 4 19.3 8 249 -57 28 2 44 28 9 57 28 0 20 28 12 21 -0.27 21 0 0 28 24 16 20 4 19.7 7 250 -58 28 20 40 28 27 53 28 18 17 28 30 16 -0.27 22 0 0 28 41 56 20 4 20.1 6 250 -58 28 38 20 28 45 32 28 35 57 28 47 55 -0.27 23 0 0 28 59 18 20 4 20.4 5 250 -59 28 55 42 29 2 53 28 53 19 29 5 16 -0.27 24 0 0 29 16 23 20 4 20.7 4 251 -60 29 12 47 29 19 58 29 10 25 29 22 21 -0.27 25 0 0 29 33 10 20 4 20.9 4 251 -61 29 29 35 29 36 45 29 27 13 29 39 8 -0.27 26 0 0 29 49 40 20 4 21.1 3 252 -62 29 46 6 29 53 15 29 43 43 29 55 37 -0.28 27 0 0 30 5 53 20 4 21.2 2 252 -63 30 2 18 30 9 27 29 59 56 30 11 49 -0.28 28 0 0 30 21 47 20 4 21.3 1 253 -63 30 18 13 30 25 21 30 15 51 30 27 43 -0.29 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 5782-00519-1 * constellation : Aquarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 21 01 56.2840 DE: -14 21 02.849 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 21 01 56.2840 DE: -14 21 02.849 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.0 * B mag [mag]: 10.8 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (2012) Guo asteroid class: approx. diameter [km]: 12 approx. diameter ["]: 0.008 distance from Earth [AU]: 2.08990 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#52 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): 0.017", 0.003", 71.067° remarks: * orbital elements for (2012)Guo : Mean anomaly = 19.5614938677 deg Arg. of pericenter = 36.6064037298 deg Long. of node = 277.0553692708 deg Inclination = 2.9056568988 deg Eccentricity = 0.1779710355 Semimajor axis = 2.3286818967 AU Perihelion dist = 1.9142439682 AU Mag: H = 13.55, G = 0.15 Epoch of elements : MJD 60641.83417438 TDT (2024 Nov 27.8342) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#522023Apr24,0.37,2024,11,27,20.020188,-0.073993,0.253183,17.668974,5.134568,0.004790,0.001517,-0.000001,0.000000 -51.7005,-14.2539,-123.33,-21.32,False TYC 5782-00519-1,21.03230116,-14.3507912,10.76,9.97,9.54,0.1,0,,21.05506146,-14.2539176,7.87,7.85,0,0,0 2012,Guo,17.84,12.178,2.0899,0,0,5.114,21.61,,0.8,0 0,19.3301,2024,11,27,36.6064,277.0554,2.9057,0.17797,2.32868,1.91424,13.55,5.0,0.15 1.332,0.0167,0.0026,71,0.0027,Known errors,1.11,0,-1,-1 20241127_0519-1,60140.72 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:13 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org