IOTA/IOTA-ES occultation update for (70) Panopaea / TYC 1802-01214-1 event on 2023 Dec 22, 13:33 UT Visible from Australia Summary ------- On 2023 Dec 22 UT, the 134.8 km diameter asteroid (70) Panopaea will occult a 9.7 mag star in the constellation Taurus for observers along a path across Australia. In the case of an occultation, the combined light of the asteroid and the star will drop by 3.05 mag to 12.65 mag (the magnitude of the asteroid) for at most 15.610 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: 100 * date and approx. time of event: 2023 Dec 22, 13:25 - 2023 Dec 22, 13:41 * geocentric midpoint of event [JD]: 2460301.06493213 * magnitude of target star: 9.67 * magnitude drop [mag]: 3.05 * estimated maximum duration [s]: 15.610 * Moon: 80 % sunlit, 20° distance * Sun: 146° distance * rough path description: Australia The occultation path -------------------- * approximate projected width [km]: 213 * 1 sigma uncertainty interval [path widths]: +/- 0.04 * 1 sigma uncertainty interval [seconds]: +/- 1.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.010, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.011", 0.001", 65°) * approx speed of asteroid's shadow [km/s]: 8.6331 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1802-01214-1 by 70 Panopaea on 2023 Dec 22 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 0 0 0 .. .. .... .. .. .. .. .. .. -45 56 7 .. .. .. -45 49 38 .. .. .. .... 57 0 0 -46 37 38 13 41 15.3 0 52 22 -45 23 58 .. .. .. -45 17 31 .. .. .. .... 58 0 0 -46 5 14 13 41 15.1 1 51 21 -44 51 57 -47 21 3 -44 45 31 -47 27 57 0.58 59 0 0 -45 32 59 13 41 14.6 2 50 20 -44 20 5 -46 48 23 -44 13 41 -46 55 15 0.87 60 0 0 -45 0 54 13 41 13.9 3 49 19 -43 48 23 -46 15 53 -43 42 1 -46 22 42 0.99 61 0 0 -44 29 1 13 41 12.8 4 49 18 -43 16 53 -45 43 34 -43 10 33 -45 50 21 1.05 62 0 0 -43 57 20 13 41 11.5 5 48 18 -42 45 35 -45 11 27 -42 39 17 -45 18 11 1.09 63 0 0 -43 25 52 13 41 9.9 6 47 17 -42 14 31 -44 39 34 -42 8 16 -44 46 16 1.12 64 0 0 -42 54 40 13 41 8.0 7 47 16 -41 43 43 -44 7 55 -41 37 29 -44 14 35 1.14 65 0 0 -42 23 43 13 41 5.8 7 46 15 -41 13 10 -43 36 33 -41 6 58 -43 43 10 1.15 66 0 0 -41 53 4 13 41 3.3 8 45 14 -40 42 54 -43 5 27 -40 36 44 -43 12 2 1.17 67 0 0 -41 22 42 13 41 0.6 9 45 13 -40 12 56 -42 34 40 -40 6 48 -42 41 12 1.18 68 0 0 -40 52 39 13 40 57.5 10 44 12 -39 43 17 -42 4 11 -39 37 11 -42 10 41 1.18 69 0 0 -40 22 57 13 40 54.2 11 43 12 -39 13 57 -41 34 3 -39 7 54 -41 40 31 1.19 70 0 0 -39 53 35 13 40 50.6 12 43 11 -38 44 59 -41 4 16 -38 38 57 -41 10 41 1.20 71 0 0 -39 24 35 13 40 46.8 13 42 10 -38 16 22 -40 34 51 -38 10 22 -40 41 14 1.20 72 0 0 -38 55 58 13 40 42.6 14 41 9 -37 48 8 -40 5 49 -37 42 10 -40 12 9 1.20 73 0 0 -38 27 44 13 40 38.2 14 41 8 -37 20 16 -39 37 10 -37 14 20 -39 43 28 1.21 74 0 0 -37 59 54 13 40 33.6 15 40 7 -36 52 49 -39 8 56 -36 46 55 -39 15 12 1.21 75 0 0 -37 32 29 13 40 28.6 16 39 6 -36 25 46 -38 41 7 -36 19 53 -38 47 21 1.21 76 0 0 -37 5 30 13 40 23.4 17 39 5 -35 59 8 -38 13 44 -35 53 18 -38 19 55 1.22 77 0 0 -36 38 56 13 40 18.0 18 38 4 -35 32 56 -37 46 47 -35 27 7 -37 52 56 1.22 78 0 0 -36 12 49 13 40 12.3 19 37 4 -35 7 10 -37 20 18 -35 1 24 -37 26 25 1.22 79 0 0 -35 47 10 13 40 6.3 19 36 3 -34 41 52 -36 54 16 -34 36 7 -37 0 21 1.22 80 0 0 -35 21 59 13 40 0.1 20 36 2 -34 17 1 -36 28 43 -34 11 18 -36 34 45 1.22 81 0 0 -34 57 16 13 39 53.7 21 35 1 -33 52 38 -36 3 38 -33 46 56 -36 9 39 1.22 82 0 0 -34 33 2 13 39 47.1 22 34 0 -33 28 43 -35 39 3 -33 23 4 -35 45 2 1.22 83 0 0 -34 9 17 13 39 40.2 23 34 -1 -33 5 18 -35 14 57 -32 59 40 -35 20 54 1.23 84 0 0 -33 46 2 13 39 33.1 23 33 -2 -32 42 22 -34 51 22 -32 36 45 -34 57 17 1.23 85 0 0 -33 23 17 13 39 25.8 24 32 -3 -32 19 55 -34 28 17 -32 14 20 -34 34 10 1.23 86 0 0 -33 1 3 13 39 18.3 25 31 -4 -31 57 59 -34 5 43 -31 52 25 -34 11 35 1.23 87 0 0 -32 39 19 13 39 10.5 26 31 -5 -31 36 33 -33 43 41 -31 31 1 -33 49 31 1.23 88 0 0 -32 18 7 13 39 2.6 26 30 -5 -31 15 37 -33 22 11 -31 10 7 -33 27 58 1.23 89 0 0 -31 57 26 13 38 54.5 27 29 -6 -30 55 13 -33 1 12 -30 49 44 -33 6 58 1.23 90 0 0 -31 37 17 13 38 46.2 28 28 -7 -30 35 20 -32 40 46 -30 29 53 -32 46 30 1.23 91 0 0 -31 17 41 13 38 37.7 28 27 -8 -30 15 59 -32 20 52 -30 10 33 -32 26 35 1.23 92 0 0 -30 58 36 13 38 29.1 29 27 -9 -29 57 10 -32 1 31 -29 51 45 -32 7 12 1.23 93 0 0 -30 40 4 13 38 20.3 30 26 -10 -29 38 53 -31 42 43 -29 33 29 -31 48 23 1.23 94 0 0 -30 22 4 13 38 11.3 30 25 -11 -29 21 8 -31 24 28 -29 15 45 -31 30 7 1.23 95 0 0 -30 4 38 13 38 2.2 31 24 -11 -29 3 55 -31 6 47 -28 58 34 -31 12 24 1.23 96 0 0 -29 47 45 13 37 52.9 31 23 -12 -28 47 15 -30 49 39 -28 41 55 -30 55 15 1.23 97 0 0 -29 31 25 13 37 43.5 32 22 -13 -28 31 8 -30 33 6 -28 25 49 -30 38 40 1.23 98 0 0 -29 15 38 13 37 33.9 33 21 -14 -28 15 34 -30 17 6 -28 10 16 -30 22 39 1.23 99 0 0 -29 0 25 13 37 24.2 33 20 -15 -28 0 33 -30 1 40 -27 55 16 -30 7 12 1.23 100 0 0 -28 45 46 13 37 14.4 34 20 -16 -27 46 5 -29 46 48 -27 40 49 -29 52 19 1.23 101 0 0 -28 31 41 13 37 4.4 34 19 -16 -27 32 11 -29 32 31 -27 26 56 -29 38 1 1.23 102 0 0 -28 18 9 13 36 54.4 35 18 -17 -27 18 50 -29 18 48 -27 13 36 -29 24 17 1.23 103 0 0 -28 5 12 13 36 44.2 35 17 -18 -27 6 3 -29 5 40 -27 0 49 -29 11 8 1.23 104 0 0 -27 52 48 13 36 34.0 35 16 -19 -26 53 49 -28 53 6 -26 48 37 -28 58 33 1.23 105 0 0 -27 40 59 13 36 23.6 36 15 -19 -26 42 9 -28 41 8 -26 36 58 -28 46 34 1.23 106 0 0 -27 29 45 13 36 13.2 36 14 -20 -26 31 3 -28 29 44 -26 25 52 -28 35 9 1.23 107 0 0 -27 19 4 13 36 2.7 37 13 -21 -26 20 31 -28 18 54 -26 15 21 -28 24 19 1.23 108 0 0 -27 8 59 13 35 52.1 37 12 -22 -26 10 33 -28 8 40 -26 5 24 -28 14 4 1.23 109 0 0 -26 59 27 13 35 41.4 37 11 -22 -26 1 9 -27 59 1 -25 56 0 -28 4 24 1.23 110 0 0 -26 50 30 13 35 30.6 38 10 -23 -25 52 19 -27 49 57 -25 47 11 -27 55 19 1.23 111 0 0 -26 42 8 13 35 19.9 38 8 -24 -25 44 3 -27 41 28 -25 38 55 -27 46 49 1.23 112 0 0 -26 34 20 13 35 9.0 38 7 -25 -25 36 21 -27 33 34 -25 31 14 -27 38 55 1.23 113 0 0 -26 27 7 13 34 58.1 38 6 -25 -25 29 14 -27 26 15 -25 24 7 -27 31 35 1.23 114 0 0 -26 20 29 13 34 47.2 39 5 -26 -25 22 41 -27 19 31 -25 17 35 -27 24 51 1.23 115 0 0 -26 14 26 13 34 36.2 39 4 -27 -25 16 42 -27 13 23 -25 11 36 -27 18 42 1.23 116 0 0 -26 8 57 13 34 25.2 39 3 -27 -25 11 18 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51 54 -25 48 56 -27 57 16 1.24 141 0 0 -27 1 27 13 29 55.9 34 337 -37 -26 3 3 -28 1 7 -25 57 54 -28 6 31 1.24 142 0 0 -27 11 8 13 29 46.0 34 336 -37 -26 12 37 -28 10 57 -26 7 27 -28 16 21 1.24 143 0 0 -27 21 24 13 29 36.2 33 335 -38 -26 22 44 -28 21 21 -26 17 34 -28 26 46 1.24 144 0 0 -27 32 15 13 29 26.6 33 334 -38 -26 33 26 -28 32 21 -26 28 15 -28 37 47 1.24 145 0 0 -27 43 40 13 29 17.1 32 333 -38 -26 44 42 -28 43 56 -26 39 30 -28 49 23 1.24 146 0 0 -27 55 40 13 29 7.7 31 332 -38 -26 56 33 -28 56 6 -26 51 20 -29 1 34 1.25 147 0 0 -28 8 15 13 28 58.4 31 331 -38 -27 8 57 -29 8 52 -27 3 43 -29 14 21 1.25 148 0 0 -28 21 24 13 28 49.4 30 330 -38 -27 21 56 -29 22 12 -27 16 41 -29 27 42 1.25 149 0 0 -28 35 8 13 28 40.4 30 330 -37 -27 35 29 -29 36 8 -27 30 13 -29 41 39 1.25 150 0 0 -28 49 26 13 28 31.6 29 329 -37 -27 49 36 -29 50 39 -27 44 19 -29 56 11 1.25 151 0 0 -29 4 19 13 28 23.0 28 328 -37 -28 4 16 -30 5 44 -27 58 58 -30 11 17 1.25 152 0 0 -29 19 45 13 28 14.6 28 327 -37 -28 19 31 -30 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35 -36 58 43 -39 27 53 1.30 177 0 0 -38 40 23 13 25 54.4 7 311 -26 -37 32 32 -39 50 15 -37 26 34 -39 56 36 1.31 178 0 0 -39 9 3 13 25 52.2 7 310 -25 -38 0 49 -40 19 20 -37 54 49 -40 25 43 1.31 179 0 0 -39 38 6 13 25 50.3 6 309 -24 -38 29 29 -40 48 49 -38 23 27 -40 55 14 1.32 180 0 0 -40 7 32 13 25 48.6 5 309 -23 -38 58 31 -41 18 40 -38 52 27 -41 25 8 1.33 -179 0 0 -40 37 20 13 25 47.3 4 308 -23 -39 27 55 -41 48 54 -39 21 49 -41 55 24 1.35 -178 0 0 -41 7 29 13 25 46.2 3 307 -22 -39 57 40 -42 19 29 -39 51 32 -42 26 1 1.37 -177 0 0 -41 37 57 13 25 45.5 2 307 -21 -40 27 45 -42 50 23 -40 21 35 -42 56 58 1.41 -176 0 0 -42 8 45 13 25 45.0 1 306 -20 -40 58 9 -43 21 37 -40 51 56 -43 28 14 1.53 -175 0 0 -42 39 50 13 25 44.8 0 305 -20 -41 28 50 .. .. .. -41 22 36 .. .. .. 2.57 0 0 0 .. .. .... .. .. .. .. .. .. -41 59 48 .. .. .. -41 53 32 .. .. .. .... Uncertainty in time = +/- 2 secs Prediction of 2023 Nov 13.9 Data for the target star ------------------------ * name: TYC 1802-01214-1 * constellation : Taurus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 03 30 41.4456 DE: +25 00 11.776 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 03 30 41.4456 DE: +25 00 11.776 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 9.7 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (70) Panopaea asteroid class: approx. diameter [km]: 135 approx. diameter ["]: 0.095 distance from Earth [AU]: 1.95260 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#74 date of fit: 2023 Oct 09 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", 0.001", 65.215° remarks: * orbital elements for (70)Panopaea : Mean anomaly = 106.1996775055 deg Arg. of pericenter = 255.6675147858 deg Long. of node = 47.6535457191 deg Inclination = 11.5986138305 deg Eccentricity = 0.1818688210 Semimajor axis = 2.6161914472 AU Perihelion dist = 2.1403877932 AU Mag: H = 8.23, G = 0.14 Epoch of elements : MJD 60300.56479167 TDT (2023 Dec 22.5648) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#742023Oct09,15.61,2023,12,22,13.558371,0.034043,-0.773908,-4.868061,-0.213887,0.003337,0.000312,0.000001,0.000000 118.8052,25.0867,-23.75,-23.44,False TYC 1802-01214-1,3.51151267,25.0032712,0.00,9.67,0.00,0.0,0,,3.53547344,25.0866814,3.05,0.00,0,0,0 70,Panopaea,12.65,134.800,1.9526,0,0,-1.613,-0.96,,6.8,0 0,106.0681,2023,12,22,255.6675,47.6535,11.5986,0.18187,2.61619,2.14039,8.25,5.0,0.15 1.045,0.0107,0.0014,65,0.0108,Known errors,-1.00,0,-1,-1 20231222_1214-1,60261.87 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Nov 13, 20:57 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org