IOTA/IOTA-ES occultation update for (416) Vaticana / TYC 0037-01005-1 event on 2023 Sep 18, 12:39 UT Visible from E Australia Summary ------- On 2023 Sep 18 UT, the 85 km diameter asteroid (416) Vaticana will occult a 11.2 mag star in the constellation Cetus for observers along a path across E Australia. In the case of an occultation, the combined light of the asteroid and the star will drop by 1.62 mag to 12.55 mag (the magnitude of the asteroid) for at most 8.720 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 Sep 18, 12:28 - 2023 Sep 18, 12:50 * geocentric midpoint of event [JD]: 2460206.02759758 * magnitude of target star: 11.21 * magnitude drop [mag]: 1.62 * estimated maximum duration [s]: 8.720 * Moon: 11 % sunlit, 167° distance * Sun: 144° distance * rough path description: E Australia Additional comments ------------------- RUWE The occultation path -------------------- * approximate projected width [km]: 86 * 1 sigma uncertainty interval [path widths]: +/- 0.06 * 1 sigma uncertainty interval [seconds]: +/- 1.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.009, +/- 0.006) * 1 sigma uncertainty ellipse (major, minor, PA): (0.010", 0.002", 57°) * approx speed of asteroid's shadow [km/s]: 9.7427 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 0037-01005-1 by 416 Vaticana on 2023 Sep 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 113 0 0 -28 45 55 12 50 28.1 1 89 -33 -28 22 33 -29 9 19 -28 19 53 -29 11 59 .... 114 0 0 -28 45 4 12 50 28.0 1 89 -34 -28 21 42 -29 8 28 -28 19 2 -29 11 8 0.12 115 0 0 -28 43 55 12 50 27.6 2 88 -35 -28 20 33 -29 7 19 -28 17 53 -29 9 59 0.14 116 0 0 -28 42 28 12 50 27.2 3 88 -35 -28 19 6 -29 5 53 -28 16 26 -29 8 33 0.15 117 0 0 -28 40 44 12 50 26.5 4 87 -36 -28 17 21 -29 4 8 -28 14 41 -29 6 49 0.15 118 0 0 -28 38 41 12 50 25.7 5 87 -37 -28 15 18 -29 2 6 -28 12 38 -29 4 47 0.16 119 0 0 -28 36 21 12 50 24.8 6 86 -38 -28 12 58 -28 59 47 -28 10 18 -29 2 27 0.16 120 0 0 -28 33 44 12 50 23.7 7 86 -39 -28 10 20 -28 57 9 -28 7 39 -28 59 50 0.16 121 0 0 -28 30 48 12 50 22.4 8 85 -40 -28 7 24 -28 54 15 -28 4 43 -28 56 55 0.17 122 0 0 -28 27 35 12 50 21.0 8 85 -40 -28 4 10 -28 51 2 -28 1 30 -28 53 43 0.17 123 0 0 -28 24 5 12 50 19.5 9 84 -41 -28 0 39 -28 47 32 -27 57 59 -28 50 13 0.17 124 0 0 -28 20 17 12 50 17.8 10 84 -42 -27 56 51 -28 43 45 -27 54 10 -28 46 26 0.17 125 0 0 -28 16 11 12 50 15.9 11 83 -43 -27 52 44 -28 39 40 -27 50 4 -28 42 21 0.17 126 0 0 -28 11 49 12 50 13.9 12 83 -44 -27 48 21 -28 35 18 -27 45 40 -28 37 59 0.17 127 0 0 -28 7 8 12 50 11.7 13 82 -44 -27 43 40 -28 30 39 -27 40 59 -28 33 20 0.17 128 0 0 -28 2 11 12 50 9.4 14 82 -45 -27 38 42 -28 25 42 -27 36 1 -28 28 23 0.17 129 0 0 -27 56 56 12 50 6.9 15 82 -46 -27 33 27 -28 20 28 -27 30 46 -28 23 9 0.17 130 0 0 -27 51 25 12 50 4.2 15 81 -47 -27 27 54 -28 14 57 -27 25 13 -28 17 38 0.17 131 0 0 -27 45 36 12 50 1.4 16 81 -48 -27 22 4 -28 9 9 -27 19 23 -28 11 51 0.17 132 0 0 -27 39 30 12 49 58.5 17 80 -48 -27 15 57 -28 3 4 -27 13 16 -28 5 46 0.17 133 0 0 -27 33 7 12 49 55.4 18 80 -49 -27 9 34 -27 56 42 -27 6 52 -27 59 24 0.17 134 0 0 -27 26 27 12 49 52.2 19 79 -50 -27 2 53 -27 50 3 -27 0 11 -27 52 45 0.17 135 0 0 -27 19 31 12 49 48.8 20 79 -51 -26 55 55 -27 43 8 -26 53 14 -27 45 49 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-39 - 4 46 31 - 5 35 34 - 4 43 43 - 5 38 22 0.17 -139 0 0 - 4 52 15 12 37 17.5 74 289 -38 - 4 27 45 - 5 16 46 - 4 24 58 - 5 19 35 0.17 -138 0 0 - 4 33 34 12 37 6.4 73 287 -37 - 4 9 5 - 4 58 5 - 4 6 18 - 5 0 53 0.17 -137 0 0 - 4 14 59 12 36 55.4 72 285 -36 - 3 50 31 - 4 39 29 - 3 47 44 - 4 42 17 0.17 -136 0 0 - 3 56 31 12 36 44.4 71 283 -35 - 3 32 3 - 4 21 0 - 3 29 16 - 4 23 48 0.17 -135 0 0 - 3 38 9 12 36 33.5 70 282 -34 - 3 13 42 - 4 2 37 - 3 10 55 - 4 5 25 0.17 -134 0 0 - 3 19 54 12 36 22.6 69 280 -34 - 2 55 28 - 3 44 21 - 2 52 41 - 3 47 9 0.17 -133 0 0 - 3 1 46 12 36 11.8 68 279 -33 - 2 37 22 - 3 26 13 - 2 34 35 - 3 29 0 0.17 -132 0 0 - 2 43 47 12 36 1.0 68 278 -32 - 2 19 23 - 3 8 12 - 2 16 36 - 3 10 59 0.17 -131 0 0 - 2 25 55 12 35 50.3 67 277 -31 - 2 1 32 - 2 50 19 - 1 58 45 - 2 53 7 0.17 -130 0 0 - 2 8 11 12 35 39.7 66 276 -30 - 1 43 50 - 2 32 35 - 1 41 3 - 2 35 22 0.17 -129 0 0 - 1 50 37 12 35 29.2 65 275 -29 - 1 26 16 - 2 14 59 - 1 23 29 - 2 17 46 0.17 -128 0 0 - 1 33 11 12 35 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1 57 21 12 33 12.0 51 268 -15 2 21 26 1 33 15 2 24 11 1 30 30 0.17 -114 0 0 2 12 9 12 33 3.1 50 268 -14 2 36 12 1 48 4 2 38 57 1 45 19 0.17 -113 0 0 2 26 43 12 32 54.3 50 268 -13 2 50 45 2 2 40 2 53 30 1 59 55 0.17 -112 0 0 2 41 4 12 32 45.6 49 268 -12 3 5 5 2 17 2 3 7 49 2 14 17 0.17 -111 0 0 2 55 11 12 32 37.0 48 268 -11 3 19 11 2 31 10 3 21 55 2 28 25 0.17 -110 0 0 3 9 4 12 32 28.6 47 267 -10 3 33 2 2 45 4 3 35 47 2 42 20 0.17 -109 0 0 3 22 43 12 32 20.3 46 267 -9 3 46 40 2 58 44 3 49 24 2 55 59 0.17 -108 0 0 3 36 7 12 32 12.2 45 267 -8 4 0 3 3 12 9 4 2 46 3 9 25 0.17 -107 0 0 3 49 16 12 32 4.2 44 267 -7 4 13 11 3 25 20 4 15 54 3 22 36 0.17 -106 0 0 4 2 11 12 31 56.4 43 267 -6 4 26 4 3 38 15 4 28 48 3 35 31 0.17 -105 0 0 4 14 50 12 31 48.7 42 267 -5 4 38 42 3 50 56 4 41 25 3 48 12 0.17 -104 0 0 4 27 14 12 31 41.1 41 267 -4 4 51 5 4 3 21 4 53 48 4 0 37 0.17 -103 0 0 4 39 22 12 31 33.7 40 267 -4 5 3 12 4 15 30 5 5 55 4 12 47 0.17 -102 0 0 4 51 14 12 31 26.5 39 267 -3 5 15 3 4 27 24 5 17 46 4 24 41 0.17 -101 0 0 5 2 51 12 31 19.4 38 267 -2 5 26 39 4 39 2 5 29 21 4 36 19 0.17 -100 0 0 5 14 12 12 31 12.5 37 267 -1 5 37 58 4 50 23 5 40 41 4 47 40 0.17 - 99 0 0 5 25 16 12 31 5.7 36 267 0 5 49 1 5 1 29 5 51 43 4 58 46 0.17 - 98 0 0 5 36 3 12 30 59.1 35 267 1 5 59 47 5 12 18 6 2 30 5 9 35 0.17 - 97 0 0 5 46 34 12 30 52.6 34 267 2 6 10 17 5 22 50 6 13 0 5 20 7 0.17 - 96 0 0 5 56 48 12 30 46.3 33 267 3 6 20 30 5 33 5 6 23 13 5 30 22 0.17 - 95 0 0 6 6 46 12 30 40.2 32 267 4 6 30 26 5 43 3 6 33 8 5 40 20 0.17 - 94 0 0 6 16 25 12 30 34.3 31 267 5 6 40 5 5 52 44 6 42 47 5 50 2 0.17 - 93 0 0 6 25 48 12 30 28.5 30 267 6 6 49 27 6 2 8 6 52 9 5 59 25 0.17 - 92 0 0 6 34 53 12 30 22.9 29 267 7 6 58 31 6 11 14 7 1 13 6 8 32 0.17 - 91 0 0 6 43 41 12 30 17.4 28 267 8 7 7 18 6 20 2 7 9 59 6 17 20 0.17 - 90 0 0 6 52 11 12 30 12.2 27 267 9 7 15 47 6 28 33 7 18 28 6 25 51 0.17 - 89 0 0 7 0 23 12 30 7.1 26 267 10 7 23 58 6 36 46 7 26 39 6 34 4 0.17 - 88 0 0 7 8 17 12 30 2.2 25 267 11 7 31 51 6 44 41 7 34 32 6 41 59 0.18 - 87 0 0 7 15 53 12 29 57.4 24 267 12 7 39 26 6 52 18 7 42 7 6 49 36 0.18 - 86 0 0 7 23 10 12 29 52.9 23 267 13 7 46 43 6 59 36 7 49 24 6 56 55 0.18 - 85 0 0 7 30 9 12 29 48.5 22 267 14 7 53 41 7 6 36 7 56 22 7 3 55 0.18 - 84 0 0 7 36 50 12 29 44.3 21 268 15 8 0 21 7 13 18 8 3 2 7 10 36 0.18 - 83 0 0 7 43 12 12 29 40.2 20 268 16 8 6 42 7 19 40 8 9 23 7 16 59 0.18 - 82 0 0 7 49 15 12 29 36.4 19 268 17 8 12 45 7 25 44 8 15 26 7 23 3 0.18 - 81 0 0 7 55 0 12 29 32.7 18 268 18 8 18 29 7 31 30 8 21 9 7 28 48 0.18 - 80 0 0 8 0 25 12 29 29.3 17 268 19 8 23 54 7 36 56 8 26 34 7 34 15 0.18 - 79 0 0 8 5 32 12 29 26.0 16 268 20 8 28 59 7 42 3 8 31 40 7 39 22 0.18 - 78 0 0 8 10 19 12 29 22.9 15 268 21 8 33 46 7 46 51 8 36 27 7 44 10 0.18 - 77 0 0 8 14 47 12 29 20.0 14 268 22 8 38 14 7 51 19 8 40 54 7 48 38 0.18 - 76 0 0 8 18 56 12 29 17.2 13 269 23 8 42 22 7 55 29 8 45 3 7 52 48 0.18 - 75 0 0 8 22 46 12 29 14.7 12 269 24 8 46 11 7 59 18 8 48 51 7 56 38 0.18 - 74 0 0 8 26 15 12 29 12.4 11 269 25 8 49 41 8 2 49 8 52 21 8 0 8 0.18 - 73 0 0 8 29 26 12 29 10.2 10 269 26 8 52 51 8 5 59 8 55 31 8 3 19 0.18 - 72 0 0 8 32 16 12 29 8.2 9 269 27 8 55 41 8 8 50 8 58 21 8 6 10 0.18 - 71 0 0 8 34 47 12 29 6.5 8 269 28 8 58 12 8 11 21 9 0 52 8 8 41 0.19 - 70 0 0 8 36 58 12 29 4.9 7 269 29 9 0 22 8 13 33 9 3 3 8 10 52 0.19 - 69 0 0 8 38 50 12 29 3.5 7 270 30 9 2 13 8 15 24 9 4 54 8 12 44 0.19 - 68 0 0 8 40 21 12 29 2.3 6 270 31 9 3 45 8 16 56 9 6 25 8 14 15 0.19 - 67 0 0 8 41 32 12 29 1.3 5 270 32 9 4 56 8 18 7 9 7 36 8 15 26 0.20 - 66 0 0 8 42 24 12 29 0.5 4 270 33 9 5 47 8 18 58 9 8 27 8 16 18 0.20 - 65 0 0 8 42 55 12 28 59.9 3 270 34 9 6 18 8 19 29 9 8 58 8 16 49 0.21 - 64 0 0 8 43 6 12 28 59.5 2 270 35 9 6 29 8 19 40 9 9 9 8 17 0 0.23 - 63 0 0 8 42 56 12 28 59.2 1 270 36 9 6 20 8 19 31 9 9 0 8 16 50 0.32 Uncertainty in time = +/- 2 secs Prediction of 2023 Aug 27.0 Data for the target star ------------------------ * name: TYC 0037-01005-1 * constellation : Cetus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 02 06 31.7473 DE: +00 23 02.323 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 02 06 31.7476 DE: +00 23 02.323 * position source: Gaia DR3 * standard error: RA,DE [mas]: (1.500,1.000) * V mag [mag]: 11.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (416) Vaticana asteroid class: approx. diameter [km]: 85 approx. diameter ["]: 0.055 distance from Earth [AU]: 2.12980 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#128 date of fit: 2023 Aug 23 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): 0.010", 0.001", 56.521° remarks: * orbital elements for (416)Vaticana : Mean anomaly = 97.9911097111 deg Arg. of pericenter = 198.6400576304 deg Long. of node = 58.0376711576 deg Inclination = 12.8629613232 deg Eccentricity = 0.2175661601 Semimajor axis = 2.7943839778 AU Perihelion dist = 2.1864205858 AU Mag: H = 7.82, G = 0.20 Epoch of elements : MJD 60205.52743056 TDT (2023 Sep 18.5274) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1282023Aug23,8.72,2023,9,18,12.662342,0.054677,-0.164372,-5.210961,-1.756593,-0.003389,-0.000218,0.000001,0.000001 -155.1740,0.4990,-11.38,1.85,False TYC 0037-01005-1,2.10881870,0.3839786,0.00,11.21,0.00,0.0,0,,2.12925632,0.4989752,1.62,0.00,0,0,0 416,Vaticana,12.55,85.000,2.1298,0,0,-1.435,-7.25,,5.2,0 0,97.8798,2023,9,18,198.6401,58.0377,12.8630,0.21757,2.79438,2.18642,7.82,5.0,0.15 1.057,0.0104,0.0018,57,0.0106,Known errors,-1.00,0,-1,-1 20230918_1005-1,60182.99 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Aug 26, 23:46 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org