IOTA/IOTA-ES occultation update for (1119) Euboea / TYC 1872-00794-1 event on 2012 Nov 04, 01:32 UT Visible from Africa, Europe, E USA Summary ------- On 2012 Nov 04 UT, the 32 km diameter asteroid (1119) Euboea will occult a 11.5 mag star in the constellation Gemini for observers along a path across Africa, Europe, E USA. In the case of an occultation, the combined light of the asteroid and the star will drop by 4.7 mag to 16.1 mag (the magnitude of the asteroid) for at most 5.4 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, TMO astrometry for the asteroid kindly provided by Bill Owen, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 49 * date and approx. time of event: 2012 Nov 04, 01:20 - 2012 Nov 04, 01:51 UT * geocentric midpoint of event [JD]: 2456235.56485833 * magnitude of target star: 11.5 * magnitude drop [mag]: 4.7 * estimated maximum duration [s]: 5.4 * Moon: 77 % sunlit, 10° distance * Sun: 131° distance * rough path description: Africa, Europe, E USA The occultation path -------------------- * approximate projected width [km]: 32 * 1 sigma uncertainty interval [path widths]: +/- 1.30 * 1 sigma uncertainty interval [seconds]: +/- 6.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .029 +/- .025) * 1 sigma uncertainty ellipse (major, minor, PA): ( .029", .024", 86° ) * approx speed of asteroid's shadow [km/s]: 5.8972 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1872-00794-1 by 1119 Euboea on 2012 Nov 4 Centre Star Star Sun Path Limits Error Limits E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Longitude Longitude Longitude Longitude Latitude Latitude Latitude Latitude 65 0 0 2 16 56 1 20 53 46 307 -1 2 28 8 2 5 45 2 57 14 1 36 40 64 0 0 3 5 57 1 21 10 47 307 -2 3 17 8 2 54 45 3 46 14 2 25 40 63 0 0 3 54 54 1 21 28 48 307 -3 4 6 5 3 43 43 4 35 11 3 14 38 62 0 0 4 43 45 1 21 45 50 307 -5 4 54 56 4 32 35 5 24 1 4 3 31 61 0 0 5 32 30 1 22 3 51 307 -6 5 43 41 5 21 20 6 12 45 4 52 17 60 0 0 6 21 6 1 22 21 52 307 -7 6 32 16 6 9 56 7 1 19 5 40 54 59 0 0 7 9 31 1 22 39 53 306 -8 7 20 41 6 58 22 7 49 42 6 29 22 58 0 0 7 57 45 1 22 58 54 306 -9 8 8 54 7 46 36 8 37 53 7 17 38 57 0 0 8 45 44 1 23 17 56 306 -10 8 56 53 8 34 37 9 25 50 8 5 40 56 0 0 9 33 29 1 23 36 57 305 -11 9 44 36 9 22 22 10 13 32 8 53 28 55 0 0 10 20 57 1 23 55 58 305 -12 10 32 3 10 9 50 11 0 56 9 40 59 54 0 0 11 8 6 1 24 14 59 305 -13 11 19 11 10 57 1 11 48 1 10 28 12 53 0 0 11 54 56 1 24 34 60 304 -14 12 6 0 11 43 52 12 34 47 11 15 6 52 0 0 12 41 25 1 24 53 62 304 -15 12 52 27 12 30 22 13 21 11 12 1 39 51 0 0 13 27 31 1 25 13 63 303 -16 13 38 33 13 16 30 14 7 13 12 47 51 50 0 0 14 13 14 1 25 33 64 303 -17 14 24 14 14 2 14 14 52 51 13 33 38 49 0 0 14 58 32 1 25 53 65 302 -18 15 9 30 14 47 33 15 38 4 14 19 2 48 0 0 15 43 24 1 26 13 66 302 -19 15 54 21 15 32 27 16 22 50 15 3 59 47 0 0 16 27 49 1 26 33 67 301 -20 16 38 44 16 16 53 17 7 9 15 48 30 46 0 0 17 11 45 1 26 53 68 300 -21 17 22 39 17 0 52 17 51 0 16 32 33 45 0 0 17 55 13 1 27 13 70 300 -22 18 6 5 17 44 21 18 34 21 17 16 7 44 0 0 18 38 11 1 27 33 71 299 -23 18 49 1 18 27 20 19 17 13 17 59 11 43 0 0 19 20 37 1 27 53 72 298 -24 19 31 26 19 9 49 19 59 32 18 41 44 42 0 0 20 2 32 1 28 13 73 297 -25 20 13 19 19 51 46 20 41 21 19 23 46 41 0 0 20 43 55 1 28 33 74 296 -26 20 54 39 20 33 10 21 22 36 20 5 16 40 0 0 21 24 44 1 28 52 75 295 -27 21 35 26 21 14 2 22 3 18 20 46 12 39 0 0 22 4 59 1 29 12 76 293 -28 22 15 40 21 54 19 22 43 26 21 26 35 38 0 0 22 44 40 1 29 32 77 292 -29 22 55 19 22 34 2 23 22 59 22 6 24 37 0 0 23 23 46 1 29 52 78 290 -30 23 34 22 23 13 10 24 1 57 22 45 37 36 0 0 24 2 17 1 30 11 79 288 -31 24 12 51 23 51 43 24 40 20 23 24 16 35 0 0 24 40 11 1 30 31 80 286 -32 24 50 43 24 29 40 25 18 6 24 2 18 34 0 0 25 17 30 1 30 50 81 283 -33 25 27 59 25 7 0 25 55 17 24 39 45 33 0 0 25 54 11 1 31 9 82 279 -33 26 4 38 25 43 44 26 31 50 25 16 35 32 0 0 26 30 16 1 31 29 83 275 -34 26 40 41 26 19 51 27 7 46 25 52 48 31 0 0 27 5 43 1 31 48 83 270 -35 27 16 6 26 55 21 27 43 5 26 28 24 30 0 0 27 40 33 1 32 6 84 264 -36 27 50 54 27 30 13 28 17 47 27 3 22 29 0 0 28 14 46 1 32 25 85 255 -37 28 25 4 28 4 28 28 51 51 27 37 43 28 0 0 28 48 20 1 32 44 85 244 -38 28 58 36 28 38 5 29 25 17 28 11 26 27 0 0 29 21 17 1 33 2 86 231 -38 29 31 30 29 11 4 29 58 5 28 44 32 26 0 0 29 53 36 1 33 20 86 215 -39 30 3 47 29 43 26 30 30 15 29 16 59 25 0 0 30 25 17 1 33 38 86 200 -40 30 35 26 30 15 9 31 1 48 29 48 49 24 0 0 30 56 20 1 33 56 85 186 -41 31 6 26 30 46 15 31 32 42 30 20 1 23 0 0 31 26 46 1 34 14 85 175 -41 31 36 49 31 16 42 32 2 59 30 50 35 22 0 0 31 56 33 1 34 32 84 166 -42 32 6 34 31 46 32 32 32 37 31 20 31 21 0 0 32 25 43 1 34 49 84 159 -43 32 35 41 32 15 44 33 1 38 31 49 49 20 0 0 32 54 15 1 35 6 83 154 -43 33 4 11 32 44 19 33 30 2 32 18 30 19 0 0 33 22 9 1 35 23 82 150 -44 33 32 3 33 12 16 33 57 47 32 46 33 18 0 0 33 49 26 1 35 40 81 146 -45 33 59 18 33 39 35 34 24 56 33 13 59 17 0 0 34 16 6 1 35 57 81 143 -45 34 25 55 34 6 18 34 51 27 33 40 47 16 0 0 34 42 9 1 36 13 80 140 -46 34 51 56 34 32 23 35 17 22 34 6 59 15 0 0 35 7 36 1 36 29 79 138 -47 35 17 20 34 57 51 35 42 40 34 32 33 14 0 0 35 32 25 1 36 45 78 136 -47 35 42 7 35 22 43 36 7 21 34 57 31 13 0 0 35 56 39 1 37 1 77 134 -48 36 6 18 35 46 59 36 31 26 35 21 53 12 0 0 36 20 16 1 37 17 77 133 -48 36 29 53 36 10 39 36 54 55 35 45 38 11 0 0 36 43 17 1 37 33 76 131 -49 36 52 52 36 33 42 37 17 49 36 8 48 10 0 0 37 5 43 1 37 48 75 130 -50 37 15 16 36 56 10 37 40 6 36 31 21 9 0 0 37 27 34 1 38 3 74 129 -50 37 37 4 37 18 3 38 1 49 36 53 20 8 0 0 37 48 49 1 38 18 73 128 -51 37 58 18 37 39 21 38 22 57 37 14 43 7 0 0 38 9 30 1 38 33 73 126 -51 38 18 56 38 0 4 38 43 30 37 35 31 6 0 0 38 29 36 1 38 47 72 125 -52 38 39 1 38 20 12 39 3 29 37 55 45 5 0 0 38 49 8 1 39 2 71 124 -52 38 58 31 38 39 46 39 22 54 38 15 25 4 0 0 39 8 7 1 39 16 70 123 -53 39 17 27 38 58 46 39 41 45 38 34 30 3 0 0 39 26 31 1 39 30 70 122 -53 39 35 50 39 17 13 40 0 2 38 53 2 2 0 0 39 44 23 1 39 44 69 121 -54 39 53 39 39 35 6 40 17 47 39 11 0 1 0 0 40 1 41 1 39 58 68 120 -54 40 10 56 39 52 27 40 34 58 39 28 26 0 0 0 40 18 27 1 40 11 67 119 -55 40 27 40 40 9 14 40 51 37 39 45 18 - 1 0 0 40 34 40 1 40 25 66 119 -55 40 43 51 40 25 29 41 7 44 40 1 38 - 2 0 0 40 50 21 1 40 38 66 118 -55 40 59 30 40 41 12 41 23 19 40 17 25 - 3 0 0 41 5 31 1 40 51 65 117 -56 41 14 38 40 56 23 41 38 22 40 32 41 - 4 0 0 41 20 8 1 41 4 64 116 -56 41 29 14 41 11 3 41 52 53 40 47 25 - 5 0 0 41 34 15 1 41 16 64 115 -56 41 43 19 41 25 11 42 6 54 41 1 37 - 6 0 0 41 47 50 1 41 29 63 114 -57 41 56 53 41 38 48 42 20 24 41 15 18 - 7 0 0 42 0 55 1 41 41 62 114 -57 42 9 56 41 51 54 42 33 23 41 28 28 - 8 0 0 42 13 29 1 41 54 61 113 -57 42 22 28 42 4 29 42 45 51 41 41 7 - 9 0 0 42 25 32 1 42 6 61 112 -58 42 34 30 42 16 35 42 57 50 41 53 16 - 10 0 0 42 37 6 1 42 18 60 111 -58 42 46 3 42 28 10 43 9 19 42 4 55 - 11 0 0 42 48 10 1 42 30 59 110 -58 42 57 5 42 39 15 43 20 18 42 16 4 - 12 0 0 42 58 44 1 42 41 58 110 -59 43 7 38 42 49 51 43 30 47 42 26 43 - 13 0 0 43 8 49 1 42 53 58 109 -59 43 17 42 42 59 57 43 40 48 42 36 52 - 14 0 0 43 18 25 1 43 4 57 108 -59 43 27 17 43 9 34 43 50 19 42 46 32 - 15 0 0 43 27 32 1 43 15 56 107 -59 43 36 22 43 18 42 43 59 22 42 55 43 - 16 0 0 43 36 10 1 43 26 56 107 -59 43 44 59 43 27 21 44 7 56 43 4 25 - 17 0 0 43 44 20 1 43 37 55 106 -60 43 53 8 43 35 31 44 16 2 43 12 38 - 18 0 0 43 52 1 1 43 48 54 105 -60 44 0 48 43 43 13 44 23 40 43 20 23 - 19 0 0 43 59 13 1 43 59 54 104 -60 44 8 0 43 50 27 44 30 49 43 27 39 - 20 0 0 44 5 58 1 44 9 53 104 -60 44 14 44 43 57 12 44 37 30 43 34 26 - 21 0 0 44 12 15 1 44 20 52 103 -60 44 20 59 44 3 30 44 43 44 43 40 46 - 22 0 0 44 18 3 1 44 30 51 102 -60 44 26 47 44 9 19 44 49 30 43 46 37 - 23 0 0 44 23 24 1 44 40 51 101 -60 44 32 8 44 14 41 44 54 49 43 52 1 - 24 0 0 44 28 18 1 44 50 50 101 -61 44 37 0 44 19 35 44 59 40 43 56 57 - 25 0 0 44 32 43 1 45 0 49 100 -61 44 41 26 44 24 1 45 4 3 44 1 24 - 26 0 0 44 36 42 1 45 10 49 99 -61 44 45 23 44 28 0 45 8 0 44 5 25 - 27 0 0 44 40 13 1 45 20 48 99 -61 44 48 54 44 31 32 45 11 29 44 8 57 - 28 0 0 44 43 16 1 45 30 47 98 -61 44 51 57 44 34 36 45 14 31 44 12 2 - 29 0 0 44 45 52 1 45 39 47 97 -61 44 54 33 44 37 12 45 17 6 44 14 40 - 30 0 0 44 48 1 1 45 48 46 96 -61 44 56 42 44 39 21 45 19 14 44 16 50 - 31 0 0 44 49 43 1 45 58 45 96 -61 44 58 23 44 41 3 45 20 55 44 18 32 - 32 0 0 44 50 58 1 46 7 45 95 -61 44 59 37 44 42 18 45 22 9 44 19 47 - 33 0 0 44 51 45 1 46 16 44 94 -61 45 0 25 44 43 5 45 22 56 44 20 35 - 34 0 0 44 52 5 1 46 25 43 94 -60 45 0 44 44 43 26 45 23 16 44 20 55 - 35 0 0 44 51 58 1 46 34 43 93 -60 45 0 37 44 43 18 45 23 8 44 20 48 - 36 0 0 44 51 23 1 46 42 42 92 -60 45 0 3 44 42 44 45 22 34 44 20 13 - 37 0 0 44 50 21 1 46 51 41 91 -60 44 59 1 44 41 41 45 21 32 44 19 11 - 38 0 0 44 48 52 1 46 59 41 91 -60 44 57 31 44 40 12 45 20 3 44 17 41 - 39 0 0 44 46 55 1 47 8 40 90 -60 44 55 35 44 38 15 45 18 7 44 15 43 - 40 0 0 44 44 30 1 47 16 39 89 -60 44 53 10 44 35 50 45 15 44 44 13 17 - 41 0 0 44 41 38 1 47 24 38 89 -60 44 50 18 44 32 57 45 12 53 44 10 23 - 42 0 0 44 38 17 1 47 32 38 88 -59 44 46 59 44 29 36 45 9 34 44 7 2 - 43 0 0 44 34 29 1 47 40 37 87 -59 44 43 11 44 25 48 45 5 48 44 3 12 - 44 0 0 44 30 13 1 47 48 36 86 -59 44 38 55 44 21 31 45 1 33 43 58 54 - 45 0 0 44 25 28 1 47 56 36 86 -59 44 34 11 44 16 46 44 56 51 43 54 7 - 46 0 0 44 20 15 1 48 4 35 85 -58 44 28 59 44 11 32 44 51 40 43 48 51 - 47 0 0 44 14 33 1 48 11 34 84 -58 44 23 18 44 5 49 44 46 1 43 43 7 - 48 0 0 44 8 23 1 48 18 34 84 -58 44 17 8 43 59 38 44 39 53 43 36 53 - 49 0 0 44 1 43 1 48 26 33 83 -58 44 10 29 43 52 57 44 33 17 43 30 10 - 50 0 0 43 54 34 1 48 33 32 82 -57 44 3 21 43 45 47 44 26 11 43 22 58 - 51 0 0 43 46 56 1 48 40 31 82 -57 43 55 43 43 38 8 44 18 36 43 15 16 - 52 0 0 43 38 47 1 48 47 31 81 -57 43 47 36 43 29 58 44 10 31 43 7 4 - 53 0 0 43 30 9 1 48 54 30 80 -56 43 38 59 43 21 19 44 1 57 42 58 21 - 54 0 0 43 21 0 1 49 1 29 80 -56 43 29 51 43 12 9 43 52 52 42 49 8 - 55 0 0 43 11 20 1 49 8 29 79 -56 43 20 12 43 2 28 43 43 17 42 39 24 - 56 0 0 43 1 10 1 49 14 28 78 -55 43 10 3 42 52 16 43 33 11 42 29 9 - 57 0 0 42 50 28 1 49 21 27 78 -55 42 59 23 42 41 33 43 22 34 42 18 22 - 58 0 0 42 39 14 1 49 27 26 77 -55 42 48 10 42 30 18 43 11 26 42 7 3 - 59 0 0 42 27 28 1 49 33 26 76 -54 42 36 26 42 18 30 42 59 45 41 55 12 - 60 0 0 42 15 10 1 49 39 25 76 -54 42 24 10 42 6 11 42 47 33 41 42 48 - 61 0 0 42 2 19 1 49 45 24 75 -53 42 11 20 41 53 18 42 34 48 41 29 52 - 62 0 0 41 48 55 1 49 51 23 74 -53 41 57 58 41 39 52 42 21 30 41 16 21 - 63 0 0 41 34 57 1 49 57 23 74 -52 41 44 2 41 25 53 42 7 38 41 2 17 - 64 0 0 41 20 25 1 50 2 22 73 -52 41 29 32 41 11 19 41 53 13 40 47 39 - 65 0 0 41 5 19 1 50 8 21 72 -51 41 14 27 40 56 11 41 38 14 40 32 26 - 66 0 0 40 49 38 1 50 13 20 72 -51 40 58 48 40 40 28 41 22 39 40 16 37 - 67 0 0 40 33 21 1 50 18 19 71 -50 40 42 33 40 24 9 41 6 30 40 0 13 - 68 0 0 40 16 28 1 50 23 19 70 -50 40 25 43 40 7 14 40 49 44 39 43 13 - 69 0 0 39 58 59 1 50 28 18 70 -49 40 8 16 39 49 42 40 32 23 39 25 36 - 70 0 0 39 40 53 1 50 32 17 69 -49 39 50 12 39 31 34 40 14 25 39 7 22 - 71 0 0 39 22 9 1 50 37 16 68 -48 39 31 30 39 12 48 39 55 49 38 48 30 - 72 0 0 39 2 47 1 50 41 15 68 -48 39 12 11 38 53 24 39 36 36 38 29 0 - 73 0 0 38 42 47 1 50 45 15 67 -47 38 52 13 38 33 21 39 16 45 38 8 51 - 74 0 0 38 22 8 1 50 49 14 67 -46 38 31 36 38 12 40 38 56 14 37 48 2 - 75 0 0 38 0 49 1 50 53 13 66 -46 38 10 20 37 51 18 38 35 4 37 26 34 - 76 0 0 37 38 50 1 50 56 12 65 -45 37 48 23 37 29 16 38 13 14 37 4 26 - 77 0 0 37 16 10 1 51 0 11 65 -45 37 25 46 37 6 33 37 50 44 36 41 36 - 78 0 0 36 52 48 1 51 3 10 64 -44 37 2 27 36 43 9 37 27 32 36 18 5 - 79 0 0 36 28 45 1 51 6 9 64 -43 36 38 26 36 19 3 37 3 39 35 53 51 - 80 0 0 36 3 59 1 51 8 9 63 -43 36 13 43 35 54 14 36 39 3 35 28 55 - 81 0 0 35 38 29 1 51 11 8 62 -42 35 48 17 35 28 42 36 13 44 35 3 15 - 82 0 0 35 12 16 1 51 13 7 62 -41 35 22 7 35 2 26 35 47 42 34 36 51 - 83 0 0 34 45 19 1 51 15 6 61 -40 34 55 12 34 35 25 35 20 55 34 9 43 - 84 0 0 34 17 36 1 51 17 5 61 -40 34 27 33 34 7 40 34 53 24 33 41 49 - 85 0 0 33 49 9 1 51 18 4 60 -39 33 59 8 33 39 9 34 25 8 33 13 10 - 86 0 0 33 19 55 1 51 19 3 60 -38 33 29 57 33 9 52 33 56 5 32 43 45 - 87 0 0 32 49 54 1 51 20 2 59 -37 33 0 0 32 39 48 33 26 16 32 13 33 - 88 0 0 32 19 6 1 51 20 1 59 -37 32 29 16 32 8 57 32 55 40 31 42 33 Uncertainty in time = +/- 8 secs Prediction of 2012 Oct 26.0 Data for the target star ------------------------ * name: TYC 1872-00794-1 * constellation : Gemini * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 06 02 02.1382 DE: +26 46 47.884 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .019, .020 ) * V mag [mag]: 11.5 * B mag [mag]: 12.5 * Diameter [mas]: 0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1119) Euboea approx. diameter [km]: 32 approx. diameter ["]: .020 distance from Earth [AU]: 2.18700 * orbital information: orbit source: Preston date of fit: 2012 Oct 25 source of used astrometry: FASTT TMO MPC (via Astdys) number of used observations: 1247 number of rejected observations: 49 time covered by the observations: 1927 Oct 27 - 2012 Oct 19 1 sigma uncertainty ellipse (major, minor, PA): 0.022, 0.014, 83° remarks: * orbital elements for (1119) Euboea : Mean anomaly = 138.37385590 deg Arg. of pericenter = 229.96936053 deg Long. of node = 57.44808309 deg Inclination = 7.86385568 deg Eccentricity = 0.15323585 Semimajor axis = 2.61483751 AU Perihelion dist = 2.21415066 AU Mag: H = 11.20, G = 0.15 Epoch of elements : MJD 56235.06500000 TDT (2012 Nov 04.065) ------ occelmnt file for Occult BEGIN ----------------------------------- 2012 Nov 4 1119 Euboea 1h 33.4m UT 11.5 6 2 2.138 26 46 47.88TYC 1872-00794-1 12.5 16.1 32 5.4 2.187 -0.845 7.18 23.4529 26.778 152.55 -15.45 1.5566 0.03254 0.05342 -2.80994 1.78423 -0.00442 -0.00021 2000 137.19321920121030.00000229.969361 57.448083 7.8638560.15323585 2.6148375 2.214150711.2 5.00.15 RATE 2.3309720 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.029 0.024 86 2.30 0.026 0 0 2 4 056226.0020121104_0794-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2012 Oct 25, 21:48 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org