IOTA/IOTA-ES occultation update for (12) Victoria / TYC 4937-00390-1 event on 2023 Nov 18, 09:31 UT Visible from E USA Summary ------- On 2023 Nov 18 UT, the 120.1 km diameter asteroid (12) Victoria will occult a 9.5 mag star in the constellation Virgo for observers along a path across E USA. In the case of an occultation, the combined light of the asteroid and the star will drop by 3.36 mag to 12.85 mag (the magnitude of the asteroid) for at most 3.630 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 Nov 18, 09:28 - 2023 Nov 18, 09:34 * geocentric midpoint of event [JD]: 2460266.89704370 * magnitude of target star: 9.54 * magnitude drop [mag]: 3.36 * estimated maximum duration [s]: 3.630 * Moon: 28 % sunlit, 119° distance * Sun: 56° distance * rough path description: E USA The occultation path -------------------- * approximate projected width [km]: 125 * 1 sigma uncertainty interval [path widths]: +/- 0.02 * 1 sigma uncertainty interval [seconds]: +/- 0.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.002, +/- 0.001) * 1 sigma uncertainty ellipse (major, minor, PA): (0.002", 0.001", 109°) * approx speed of asteroid's shadow [km/s]: 33.1250 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 4937-00390-1 by 12 Victoria on 2023 Nov 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 -106 0 0 41 37 55 9 28 39.3 0 99 -49 41 3 55 42 12 0 41 2 45 42 13 10 .... -105 0 0 41 30 50 9 28 39.3 1 99 -49 40 56 47 42 4 57 40 55 37 42 6 8 -0.12 -104 0 0 41 23 22 9 28 39.4 2 100 -48 40 49 17 41 57 32 40 48 6 41 58 43 -0.18 -103 0 0 41 15 31 9 28 39.5 3 101 -47 40 41 23 41 49 44 40 40 13 41 50 55 -0.21 -102 0 0 41 7 17 9 28 39.6 3 101 -47 40 33 6 41 41 33 40 31 56 41 42 44 -0.22 -101 0 0 40 58 40 9 28 39.8 4 102 -46 40 24 26 41 32 59 40 23 16 41 34 10 -0.23 -100 0 0 40 49 40 9 28 40.0 5 103 -45 40 15 23 41 24 2 40 14 12 41 25 13 -0.24 - 99 0 0 40 40 16 9 28 40.3 6 103 -45 40 5 56 41 14 42 40 4 45 41 15 53 -0.24 - 98 0 0 40 30 30 9 28 40.6 6 104 -44 39 56 6 41 4 59 39 54 55 41 6 10 -0.24 - 97 0 0 40 20 19 9 28 40.9 7 105 -43 39 45 52 40 54 52 39 44 41 40 56 3 -0.25 - 96 0 0 40 9 46 9 28 41.2 8 105 -43 39 35 15 40 44 22 39 34 4 40 45 33 -0.25 - 95 0 0 39 58 48 9 28 41.6 9 106 -42 39 24 14 40 33 28 39 23 3 40 34 40 -0.25 - 94 0 0 39 47 27 9 28 42.1 10 107 -41 39 12 49 40 22 11 39 11 38 40 23 23 -0.25 - 93 0 0 39 35 42 9 28 42.6 10 107 -40 39 1 0 40 10 30 38 59 49 40 11 42 -0.25 - 92 0 0 39 23 34 9 28 43.1 11 108 -40 38 48 48 39 58 25 38 47 36 39 59 37 -0.25 - 91 0 0 39 11 1 9 28 43.6 12 109 -39 38 36 11 39 45 57 38 34 59 39 47 9 -0.25 - 90 0 0 38 58 4 9 28 44.2 13 109 -38 38 23 10 39 33 4 38 21 58 39 34 17 -0.26 - 89 0 0 38 44 43 9 28 44.9 14 110 -37 38 9 45 39 19 48 38 8 33 39 21 0 -0.26 - 88 0 0 38 30 58 9 28 45.6 14 110 -37 37 55 55 39 6 7 37 54 43 39 7 19 -0.26 - 87 0 0 38 16 49 9 28 46.3 15 111 -36 37 41 41 38 52 2 37 40 29 38 53 15 -0.26 - 86 0 0 38 2 15 9 28 47.1 16 112 -35 37 27 3 38 37 33 37 25 51 38 38 46 -0.26 - 85 0 0 37 47 17 9 28 47.9 17 112 -34 37 12 0 38 22 39 37 10 48 38 23 52 -0.26 - 84 0 0 37 31 54 9 28 48.8 18 113 -34 36 56 33 38 7 21 36 55 20 38 8 34 -0.26 - 83 0 0 37 16 7 9 28 49.7 19 114 -33 36 40 41 37 51 39 36 39 28 37 52 52 -0.26 - 82 0 0 36 59 55 9 28 50.6 19 114 -32 36 24 24 37 35 32 36 23 11 37 36 45 -0.26 - 81 0 0 36 43 18 9 28 51.6 20 115 -31 36 7 43 37 19 0 36 6 30 37 20 14 -0.26 - 80 0 0 36 26 17 9 28 52.7 21 116 -30 35 50 37 37 2 4 35 49 24 37 3 18 -0.26 - 79 0 0 36 8 52 9 28 53.8 22 116 -29 35 33 7 36 44 43 35 31 53 36 45 57 -0.26 - 78 0 0 35 51 1 9 28 54.9 23 117 -29 35 15 11 36 26 58 35 13 58 36 28 12 -0.26 - 77 0 0 35 32 46 9 28 56.1 24 117 -28 34 56 51 36 8 47 34 55 37 36 10 2 -0.26 - 76 0 0 35 14 6 9 28 57.4 25 118 -27 34 38 6 35 50 13 34 36 52 35 51 27 -0.26 - 75 0 0 34 55 2 9 28 58.7 25 119 -26 34 18 57 35 31 13 34 17 43 35 32 28 -0.26 - 74 0 0 34 35 33 9 29 0.0 26 119 -25 33 59 23 35 11 49 33 58 9 35 13 4 -0.26 - 73 0 0 34 15 39 9 29 1.4 27 120 -24 33 39 24 34 52 1 33 38 10 34 53 16 -0.26 - 72 0 0 33 55 21 9 29 2.9 28 121 -24 33 19 1 34 31 48 33 17 46 34 33 3 -0.26 - 71 0 0 33 34 39 9 29 4.4 29 121 -23 32 58 14 34 11 10 32 56 59 34 12 26 -0.26 - 70 0 0 33 13 32 9 29 5.9 30 122 -22 32 37 2 33 50 9 32 35 47 33 51 24 -0.26 - 69 0 0 32 52 1 9 29 7.5 31 122 -21 32 15 26 33 28 43 32 14 10 33 29 58 -0.26 - 68 0 0 32 30 6 9 29 9.2 32 123 -20 31 53 26 33 6 52 31 52 10 33 8 8 -0.26 - 67 0 0 32 7 47 9 29 10.9 33 124 -19 31 31 2 32 44 38 31 29 46 32 45 54 -0.26 - 66 0 0 31 45 4 9 29 12.7 34 124 -18 31 8 14 32 22 0 31 6 58 32 23 17 -0.26 - 65 0 0 31 21 57 9 29 14.5 34 125 -17 30 45 3 31 58 59 30 43 47 32 0 15 -0.26 - 64 0 0 30 58 27 9 29 16.4 35 126 -16 30 21 28 31 35 34 30 20 12 31 36 50 -0.26 - 63 0 0 30 34 35 9 29 18.4 36 126 -15 29 57 30 31 11 46 29 56 14 31 13 3 -0.26 - 62 0 0 30 10 19 9 29 20.4 37 127 -14 29 33 10 30 47 35 29 31 54 30 48 52 -0.26 - 61 0 0 29 45 40 9 29 22.4 38 128 -13 29 8 27 30 23 1 29 7 10 30 24 18 -0.26 - 60 0 0 29 20 40 9 29 24.5 39 128 -13 28 43 22 29 58 5 28 42 5 29 59 22 -0.26 - 59 0 0 28 55 17 9 29 26.7 40 129 -12 28 17 55 29 32 47 28 16 38 29 34 4 -0.26 - 58 0 0 28 29 33 9 29 28.9 41 130 -11 27 52 6 29 7 7 27 50 49 29 8 24 -0.26 - 57 0 0 28 3 27 9 29 31.2 42 130 -10 27 25 56 28 41 5 27 24 39 28 42 23 -0.26 - 56 0 0 27 37 1 9 29 33.6 43 131 -9 26 59 26 28 14 43 26 58 9 28 16 1 -0.26 - 55 0 0 27 10 14 9 29 36.0 44 132 -8 26 32 35 27 48 0 26 31 18 27 49 18 -0.26 - 54 0 0 26 43 7 9 29 38.4 45 132 -7 26 5 24 27 20 57 26 4 7 27 22 15 -0.26 - 53 0 0 26 15 41 9 29 40.9 46 133 -6 25 37 54 26 53 35 25 36 37 26 54 53 -0.27 - 52 0 0 25 47 56 9 29 43.5 47 134 -5 25 10 6 26 25 53 25 8 48 26 27 11 -0.27 - 51 0 0 25 19 52 9 29 46.1 48 135 -4 24 41 59 25 57 53 24 40 41 25 59 11 -0.27 - 50 0 0 24 51 30 9 29 48.8 49 135 -3 24 13 34 25 29 34 24 12 16 25 30 53 -0.27 - 49 0 0 24 22 51 9 29 51.5 50 136 -2 23 44 52 25 0 59 23 43 33 25 2 17 -0.27 - 48 0 0 23 53 56 9 29 54.3 51 137 -1 23 15 53 24 32 6 23 14 35 24 33 25 -0.27 - 47 0 0 23 24 44 9 29 57.2 52 138 1 22 46 39 24 2 57 22 45 20 24 4 16 -0.27 - 46 0 0 22 55 17 9 30 0.1 53 139 2 22 17 9 23 33 33 22 15 51 23 34 52 -0.27 - 45 0 0 22 25 35 9 30 3.0 54 140 3 21 47 25 23 3 53 21 46 6 23 5 12 -0.27 - 44 0 0 21 55 40 9 30 6.0 55 141 4 21 17 27 22 34 0 21 16 8 22 35 19 -0.27 - 43 0 0 21 25 31 9 30 9.1 56 142 5 20 47 16 22 3 53 20 45 58 22 5 12 -0.27 - 42 0 0 20 55 9 9 30 12.2 57 143 6 20 16 53 21 33 33 20 15 34 21 34 53 -0.27 - 41 0 0 20 24 36 9 30 15.3 58 144 7 19 46 18 21 3 2 19 45 0 21 4 21 -0.27 - 40 0 0 19 53 52 9 30 18.5 59 145 8 19 15 33 20 32 19 19 14 14 20 33 39 -0.27 - 39 0 0 19 22 58 9 30 21.8 60 146 9 18 44 38 20 1 26 18 43 19 20 2 46 -0.27 - 38 0 0 18 51 55 9 30 25.0 61 147 10 18 13 34 19 30 24 18 12 15 19 31 44 -0.27 - 37 0 0 18 20 44 9 30 28.4 62 149 11 17 42 21 18 59 13 17 41 2 19 0 33 -0.27 - 36 0 0 17 49 25 9 30 31.7 62 150 12 17 11 2 18 27 55 17 9 43 18 29 15 -0.27 - 35 0 0 17 17 59 9 30 35.1 63 151 13 16 39 36 17 56 30 16 38 17 17 57 49 -0.27 - 34 0 0 16 46 28 9 30 38.6 64 153 14 16 8 5 17 24 59 16 6 46 17 26 18 -0.27 - 33 0 0 16 14 52 9 30 42.1 65 155 16 15 36 29 16 53 23 15 35 10 16 54 42 -0.27 - 32 0 0 15 43 12 9 30 45.6 66 156 17 15 4 50 16 21 43 15 3 31 16 23 2 -0.27 - 31 0 0 15 11 30 9 30 49.1 67 158 18 14 33 8 15 50 0 14 31 49 15 51 19 -0.27 - 30 0 0 14 39 46 9 30 52.7 68 160 19 14 1 24 15 18 15 14 0 5 15 19 34 -0.27 - 29 0 0 14 8 0 9 30 56.3 69 162 20 13 29 40 14 46 29 13 28 21 14 47 48 -0.27 - 28 0 0 13 36 15 9 30 59.9 69 165 21 12 57 56 14 14 42 12 56 37 14 16 1 -0.27 - 27 0 0 13 4 31 9 31 3.6 70 167 22 12 26 13 13 42 56 12 24 55 13 44 16 -0.27 - 26 0 0 12 32 49 9 31 7.3 71 170 23 11 54 33 13 11 13 11 53 14 13 12 32 -0.27 - 25 0 0 12 1 10 9 31 11.0 72 173 25 11 22 55 12 39 32 11 21 37 12 40 51 -0.27 - 24 0 0 11 29 34 9 31 14.7 72 176 26 10 51 22 12 7 54 10 50 3 12 9 13 -0.27 - 23 0 0 10 58 4 9 31 18.4 73 179 27 10 19 54 11 36 21 10 18 35 11 37 40 -0.27 - 22 0 0 10 26 39 9 31 22.2 73 183 28 9 48 32 11 4 54 9 47 13 11 6 13 -0.27 - 21 0 0 9 55 21 9 31 26.0 74 186 29 9 17 16 10 33 34 9 15 58 10 34 53 -0.27 - 20 0 0 9 24 11 9 31 29.7 74 190 30 8 46 9 10 2 21 8 44 50 10 3 40 -0.27 - 19 0 0 8 53 9 9 31 33.5 74 194 31 8 15 10 9 31 16 8 13 52 9 32 35 -0.27 - 18 0 0 8 22 17 9 31 37.3 75 198 32 7 44 21 9 0 21 7 43 3 9 1 39 -0.27 - 17 0 0 7 51 35 9 31 41.1 75 202 34 7 13 43 8 29 36 7 12 25 8 30 54 -0.27 - 16 0 0 7 21 5 9 31 44.9 75 207 35 6 43 16 7 59 2 6 41 58 8 0 20 -0.27 - 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5 3 56 - 3 49 56 -0.28 12 0 0 - 4 47 41 9 33 23.2 55 266 65 - 5 23 19 - 4 11 56 - 5 24 33 - 4 10 42 -0.28 13 0 0 - 5 7 55 9 33 26.2 54 266 66 - 5 43 28 - 4 32 15 - 5 44 41 - 4 31 1 -0.28 14 0 0 - 5 27 40 9 33 29.2 53 267 67 - 6 3 9 - 4 52 5 - 6 4 22 - 4 50 52 -0.28 15 0 0 - 5 46 58 9 33 32.1 52 267 68 - 6 22 22 - 5 11 28 - 6 23 35 - 5 10 15 -0.28 16 0 0 - 6 5 48 9 33 34.9 51 267 69 - 6 41 8 - 5 30 23 - 6 42 20 - 5 29 10 -0.28 17 0 0 - 6 24 10 9 33 37.8 50 268 70 - 6 59 25 - 5 48 49 - 7 0 37 - 5 47 36 -0.28 18 0 0 - 6 42 3 9 33 40.5 49 268 71 - 7 17 13 - 6 6 46 - 7 18 25 - 6 5 34 -0.28 19 0 0 - 6 59 27 9 33 43.3 48 268 72 - 7 34 33 - 6 24 15 - 7 35 45 - 6 23 3 -0.28 20 0 0 - 7 16 23 9 33 45.9 47 268 73 - 7 51 24 - 6 41 15 - 7 52 36 - 6 40 3 -0.28 21 0 0 - 7 32 49 9 33 48.6 46 269 74 - 8 7 47 - 6 57 46 - 8 8 59 - 6 56 34 -0.28 22 0 0 - 7 48 47 9 33 51.1 45 269 74 - 8 23 40 - 7 13 48 - 8 24 52 - 7 12 36 -0.28 23 0 0 - 8 4 16 9 33 53.7 44 269 75 - 8 39 4 - 7 29 21 - 8 40 16 - 7 28 9 -0.28 24 0 0 - 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1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.002", 0.001", 108.756° remarks: * orbital elements for (12)Victoria : Mean anomaly = 234.1243071899 deg Arg. of pericenter = 69.5930397578 deg Long. of node = 235.3567640720 deg Inclination = 8.3740080808 deg Eccentricity = 0.2202817390 Semimajor axis = 2.3338787014 AU Perihelion dist = 1.8197678426 AU Mag: H = 7.31, G = 0.22 Epoch of elements : MJD 60266.39708333 TDT (2023 Nov 18.3971) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1412023Oct12,3.63,2023,11,18,9.529049,0.116805,0.236306,16.733031,-8.340902,-0.004624,0.001591,-0.000001,0.000000 -22.8368,-6.3751,33.34,-19.20,False TYC 4937-00390-1,11.79814366,-6.2450921,0.00,9.54,0.00,0.0,0,,11.81816295,-6.3750906,3.36,0.00,0,0,0 12,Victoria,12.85,120.100,3.1213,0,0,3.163,-23.51,,7.0,0 0,234.0145,2023,11,18,69.5930,235.3568,8.3740,0.22028,2.33388,1.81977,7.30,5.0,0.15 1.017,0.0018,0.0009,109,0.0020,Known errors,-1.00,0,-1,-1 20231118_0390-1,60232.88 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Oct 15, 21:06 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org