IOTA/IOTA-ES occultation update for (1140) Crimea / UCAC2 41347147 event on 2012 Nov 19, 23:43 UT Visible from Africa, Europe Summary ------- On 2012 Nov 19 UT, the 29 km diameter asteroid (1140) Crimea will occult a 11.9 mag star in the constellation Gemini for observers along a path across Africa, Europe. In the case of an occultation, the combined light of the asteroid and the star will drop by 2.6 mag to 14.4 mag (the magnitude of the asteroid) for at most 3.6 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: 20 * date and approx. time of event: 2012 Nov 19, 23:31 - 2012 Nov 19, 23:55 UT * geocentric midpoint of event [JD]: 2456251.48828333 * magnitude of target star: 11.9 * magnitude drop [mag]: 2.6 * estimated maximum duration [s]: 3.6 * Moon: 43 % sunlit, 136° distance * Sun: 140° distance * rough path description: Africa, Europe The occultation path -------------------- * approximate projected width [km]: 30 * 1 sigma uncertainty interval [path widths]: +/- 3.33 * 1 sigma uncertainty interval [seconds]: +/- 11.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .078 +/- .075) * 1 sigma uncertainty ellipse (major, minor, PA): ( .078", .075", 89° ) * approx speed of asteroid's shadow [km/s]: 8.1334 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC2 41347147 by 1140 Crimea on 2012 Nov 19 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 80 49 44 -31 0 0 23 31 21 23 327 0 81 1 41 80 37 48 82 21 27 79 18 25 79 54 38 -30 0 0 23 31 28 24 327 -1 80 6 26 79 42 50 81 25 11 78 24 24 79 0 21 -29 0 0 23 31 35 26 328 -3 79 12 1 78 48 42 80 29 50 77 31 9 78 6 51 -28 0 0 23 31 43 27 328 -4 78 18 23 77 55 19 79 35 20 76 38 37 77 14 3 -27 0 0 23 31 51 28 329 -5 77 25 28 77 2 38 78 41 36 75 46 42 76 21 53 -26 0 0 23 31 59 29 329 -6 76 33 11 76 10 35 77 48 34 74 55 22 75 30 18 -25 0 0 23 32 8 31 330 -7 75 41 30 75 19 6 76 56 10 74 4 34 74 39 14 -24 0 0 23 32 17 32 330 -8 74 50 20 74 28 8 76 4 22 73 14 13 73 48 39 -23 0 0 23 32 26 33 330 -9 73 59 40 73 37 38 75 13 4 72 24 17 72 58 28 -22 0 0 23 32 36 34 331 -10 73 9 24 72 47 32 74 22 16 71 34 44 72 8 40 -21 0 0 23 32 45 36 331 -11 72 19 32 71 57 49 73 31 52 70 45 30 71 19 12 -20 0 0 23 32 56 37 332 -12 71 29 59 71 8 24 72 41 51 69 56 32 70 30 0 -19 0 0 23 33 6 38 332 -14 70 40 43 70 19 16 71 52 9 69 7 49 69 41 3 -18 0 0 23 33 17 39 332 -15 69 51 43 69 30 22 71 2 45 68 19 17 68 52 17 -17 0 0 23 33 28 40 333 -16 69 2 54 68 41 40 70 13 35 67 30 55 68 3 41 -16 0 0 23 33 39 42 333 -17 68 14 16 67 53 7 69 24 37 66 42 40 67 15 13 -15 0 0 23 33 50 43 334 -18 67 25 44 67 4 41 68 35 49 65 54 29 66 26 49 -14 0 0 23 34 2 44 334 -19 66 37 19 66 16 19 67 47 8 65 6 21 65 38 28 -13 0 0 23 34 14 45 334 -20 65 48 56 65 28 0 66 58 33 64 18 14 64 50 8 -12 0 0 23 34 27 47 335 -21 65 0 34 64 39 42 66 10 0 63 30 4 64 1 46 -11 0 0 23 34 39 48 335 -22 64 12 11 63 51 21 65 21 29 62 41 51 63 13 21 -10 0 0 23 34 52 49 336 -23 63 23 45 63 2 56 64 32 55 61 53 32 62 24 50 - 9 0 0 23 35 5 50 336 -25 62 35 13 62 14 26 63 44 19 61 5 5 61 36 11 - 8 0 0 23 35 19 51 337 -26 61 46 34 61 25 47 62 55 37 60 16 28 60 47 22 - 7 0 0 23 35 32 53 337 -27 60 57 45 60 36 58 62 6 47 59 27 38 59 58 21 - 6 0 0 23 35 46 54 338 -28 60 8 44 59 47 57 61 17 47 58 38 35 59 9 5 - 5 0 0 23 36 0 55 338 -29 59 19 29 58 58 41 60 28 35 57 49 14 58 19 34 - 4 0 0 23 36 15 56 339 -30 58 29 58 58 9 9 59 39 10 56 59 35 57 29 44 - 3 0 0 23 36 30 57 339 -31 57 40 9 57 19 17 58 49 28 56 9 35 56 39 33 - 2 0 0 23 36 44 59 340 -32 56 50 0 56 29 5 57 59 28 55 19 12 55 48 58 - 1 0 0 23 36 59 60 341 -34 55 59 28 55 38 29 57 9 7 54 28 23 54 57 59 0 0 0 23 37 15 61 341 -35 55 8 30 54 47 27 56 18 23 53 37 6 54 6 31 1 0 0 23 37 30 62 342 -36 54 17 5 53 55 57 55 27 13 52 45 19 Latitude Latitude Latitude Latitude 53 0 0 2 16 42 23 37 51 64 343 -37 2 28 52 2 4 31 3 49 34 0 43 3 52 0 0 3 24 59 23 38 9 65 344 -38 3 37 4 3 12 53 4 57 14 1 51 59 51 0 0 4 32 23 23 38 27 66 346 -40 4 44 23 4 20 22 6 3 59 3 0 3 50 0 0 5 38 51 23 38 46 68 347 -41 5 50 46 5 26 55 7 9 48 4 7 11 49 0 0 6 44 21 23 39 4 69 349 -42 6 56 10 6 32 31 8 14 39 5 13 21 48 0 0 7 48 51 23 39 22 70 351 -44 8 0 35 7 37 6 9 18 29 6 18 32 47 0 0 8 52 19 23 39 41 71 353 -45 9 3 58 8 40 39 10 21 17 7 22 41 46 0 0 9 54 43 23 39 59 72 355 -46 10 6 17 9 43 9 11 23 2 8 25 47 45 0 0 10 56 3 23 40 17 73 357 -47 11 7 32 10 44 34 12 23 41 9 27 49 44 0 0 11 56 17 23 40 35 74 0 -48 12 7 40 11 44 53 13 23 14 10 28 44 43 0 0 12 55 24 23 40 53 75 4 -49 13 6 42 12 44 6 14 21 41 11 28 33 42 0 0 13 53 23 23 41 11 76 7 -50 14 4 35 13 42 10 15 18 59 12 27 13 41 0 0 14 50 14 23 41 29 77 11 -52 15 1 21 14 39 6 16 15 10 13 24 45 40 0 0 15 45 55 23 41 46 78 16 -53 15 56 57 15 34 53 17 10 11 14 21 8 39 0 0 16 40 28 23 42 3 78 21 -54 16 51 24 16 29 31 18 4 3 15 16 22 38 0 0 17 33 51 23 42 20 79 27 -55 17 44 42 17 22 59 18 56 46 16 10 26 37 0 0 18 26 4 23 42 37 79 33 -56 18 36 50 18 15 17 19 48 20 17 3 19 36 0 0 19 17 7 23 42 54 79 39 -57 19 27 48 19 6 26 20 38 44 17 55 3 35 0 0 20 7 2 23 43 11 79 45 -58 20 17 37 19 56 25 21 27 59 18 45 37 34 0 0 20 55 46 23 43 27 79 51 -59 21 6 17 20 45 15 22 16 6 19 35 1 33 0 0 21 43 22 23 43 43 79 56 -60 21 53 48 21 32 56 23 3 3 20 23 16 32 0 0 22 29 50 23 43 59 79 62 -60 22 40 10 22 19 29 23 48 53 21 10 22 31 0 0 23 15 9 23 44 14 78 66 -61 23 25 25 23 4 53 24 33 35 21 56 19 30 0 0 23 59 21 23 44 30 78 71 -62 24 9 32 23 49 10 25 17 11 22 41 8 29 0 0 24 42 26 23 44 45 77 74 -63 24 52 32 24 32 20 25 59 39 23 24 50 28 0 0 25 24 25 23 45 0 76 78 -64 25 34 26 25 14 23 26 41 3 24 7 25 27 0 0 26 5 18 23 45 14 76 81 -64 26 15 15 25 55 21 27 21 21 24 48 54 26 0 0 26 45 7 23 45 29 75 83 -65 26 54 59 26 35 14 28 0 35 25 29 17 25 0 0 27 23 51 23 45 43 74 85 -66 27 33 39 27 14 3 28 38 45 26 8 36 24 0 0 28 1 32 23 45 57 73 87 -66 28 11 16 27 51 48 29 15 53 26 46 51 23 0 0 28 38 11 23 46 11 72 89 -67 28 47 50 28 28 31 29 51 59 27 24 3 22 0 0 29 13 48 23 46 24 72 90 -68 29 23 23 29 4 13 30 27 4 28 0 13 21 0 0 29 48 25 23 46 37 71 92 -68 29 57 56 29 38 54 31 1 10 28 35 21 20 0 0 30 22 2 23 46 50 70 93 -69 30 31 29 30 12 35 31 34 16 29 9 29 19 0 0 30 54 40 23 47 3 69 93 -69 31 4 3 30 45 17 32 6 24 29 42 38 18 0 0 31 26 20 23 47 16 68 94 -70 31 35 39 31 17 1 32 37 35 30 14 48 17 0 0 31 57 3 23 47 28 67 95 -70 32 6 18 31 47 47 33 7 49 30 46 0 16 0 0 32 26 50 23 47 40 67 95 -70 32 36 1 32 17 38 33 37 7 31 16 15 15 0 0 32 55 41 23 47 52 66 96 -71 33 4 49 32 46 33 34 5 32 31 45 34 14 0 0 33 23 38 23 48 4 65 96 -71 33 32 42 33 14 33 34 33 2 32 13 58 13 0 0 33 50 41 23 48 15 64 96 -71 33 59 42 33 41 40 34 59 39 32 41 27 12 0 0 34 16 52 23 48 26 63 96 -72 34 25 50 34 7 54 35 25 25 33 8 4 11 0 0 34 42 11 23 48 37 62 97 -72 34 51 5 34 33 16 35 50 19 33 33 47 10 0 0 35 6 39 23 48 48 62 97 -72 35 15 30 34 57 47 36 14 23 33 58 39 9 0 0 35 30 16 23 48 59 61 97 -72 35 39 5 35 21 28 36 37 37 34 22 40 8 0 0 35 53 5 23 49 9 60 97 -72 36 1 50 35 44 19 37 0 3 34 45 51 7 0 0 36 15 4 23 49 20 59 96 -72 36 23 47 36 6 21 37 21 41 35 8 13 6 0 0 36 36 16 23 49 30 58 96 -72 36 44 56 36 27 36 37 42 31 35 29 46 5 0 0 36 56 40 23 49 40 58 96 -72 37 5 18 36 48 3 38 2 36 35 50 31 4 0 0 37 16 19 23 49 49 57 96 -72 37 24 53 37 7 44 38 21 54 36 10 29 3 0 0 37 35 11 23 49 59 56 96 -72 37 43 43 37 26 39 38 40 27 36 29 41 2 0 0 37 53 18 23 50 8 55 95 -72 38 1 48 37 44 49 38 58 16 36 48 7 1 0 0 38 10 42 23 50 18 54 95 -71 38 19 9 38 2 14 39 15 22 37 5 47 0 0 0 38 27 21 23 50 27 54 95 -71 38 35 46 38 18 55 39 31 44 37 22 44 - 1 0 0 38 43 17 23 50 36 53 95 -71 38 51 40 38 34 54 39 47 24 37 38 56 - 2 0 0 38 58 31 23 50 44 52 94 -71 39 6 52 38 50 9 40 2 22 37 54 26 - 3 0 0 39 13 2 23 50 53 51 94 -70 39 21 21 39 4 43 40 16 39 38 9 12 - 4 0 0 39 26 52 23 51 1 51 93 -70 39 35 9 39 18 35 40 30 15 38 23 17 - 5 0 0 39 40 2 23 51 10 50 93 -70 39 48 17 39 31 46 40 43 10 38 36 40 - 6 0 0 39 52 30 23 51 18 49 93 -69 40 0 44 39 44 17 40 55 26 38 49 22 - 7 0 0 40 4 19 23 51 26 48 92 -69 40 12 31 39 56 7 41 7 2 39 1 23 - 8 0 0 40 15 28 23 51 34 48 92 -69 40 23 39 40 7 18 41 18 0 39 12 44 - 9 0 0 40 25 58 23 51 42 47 91 -68 40 34 8 40 17 49 41 28 19 39 23 25 - 10 0 0 40 35 50 23 51 49 46 91 -68 40 43 57 40 27 42 41 38 0 39 33 27 - 11 0 0 40 45 3 23 51 57 45 90 -67 40 53 9 40 36 56 41 47 3 39 42 49 - 12 0 0 40 53 38 23 52 4 45 90 -67 41 1 43 40 45 32 41 55 29 39 51 33 - 13 0 0 41 1 35 23 52 11 44 89 -67 41 9 39 40 53 30 42 3 18 39 59 38 - 14 0 0 41 8 54 23 52 18 43 89 -66 41 16 57 41 0 51 42 10 30 40 7 6 - 15 0 0 41 15 37 23 52 25 42 88 -66 41 23 39 41 7 34 42 17 6 40 13 55 - 16 0 0 41 21 42 23 52 32 42 88 -65 41 29 44 41 13 40 42 23 5 40 20 7 - 17 0 0 41 27 11 23 52 39 41 87 -65 41 35 12 41 19 10 42 28 28 40 25 41 - 18 0 0 41 32 3 23 52 46 40 87 -64 41 40 3 41 24 3 42 33 15 40 30 39 - 19 0 0 41 36 19 23 52 52 40 86 -64 41 44 18 41 28 19 42 37 26 40 34 59 - 20 0 0 41 39 58 23 52 59 39 86 -63 41 47 57 41 31 59 42 41 2 40 38 42 - 21 0 0 41 43 1 23 53 5 38 85 -63 41 51 0 41 35 3 42 44 2 40 41 48 - 22 0 0 41 45 29 23 53 11 37 85 -62 41 53 27 41 37 30 42 46 27 40 44 18 - 23 0 0 41 47 20 23 53 17 37 84 -62 41 55 18 41 39 22 42 48 16 40 46 11 - 24 0 0 41 48 35 23 53 23 36 83 -61 41 56 33 41 40 37 42 49 31 40 47 27 - 25 0 0 41 49 14 23 53 29 35 83 -61 41 57 12 41 41 16 42 50 9 40 48 7 - 26 0 0 41 49 18 23 53 35 34 82 -60 41 57 16 41 41 20 42 50 13 40 48 10 - 27 0 0 41 48 45 23 53 41 34 82 -59 41 56 43 41 40 47 42 49 41 40 47 36 - 28 0 0 41 47 36 23 53 46 33 81 -59 41 55 34 41 39 38 42 48 34 40 46 26 - 29 0 0 41 45 51 23 53 52 32 80 -58 41 53 49 41 37 52 42 46 51 40 44 38 - 30 0 0 41 43 30 23 53 57 32 80 -58 41 51 28 41 35 30 42 44 32 40 42 14 - 31 0 0 41 40 32 23 54 3 31 79 -57 41 48 31 41 32 32 42 41 38 40 39 12 - 32 0 0 41 36 57 23 54 8 30 79 -57 41 44 57 41 28 57 42 38 8 40 35 33 - 33 0 0 41 32 46 23 54 13 29 78 -56 41 40 46 41 24 45 42 34 1 40 31 17 - 34 0 0 41 27 57 23 54 18 29 77 -55 41 35 58 41 19 56 42 29 18 40 26 23 - 35 0 0 41 22 31 23 54 23 28 77 -55 41 30 33 41 14 29 42 23 59 40 20 50 - 36 0 0 41 16 28 23 54 28 27 76 -54 41 24 31 41 8 24 42 18 2 40 14 40 - 37 0 0 41 9 46 23 54 32 26 76 -54 41 17 50 41 1 42 42 11 29 40 7 50 - 38 0 0 41 2 26 23 54 37 26 75 -53 41 10 31 40 54 21 42 4 17 40 0 22 - 39 0 0 40 54 28 23 54 41 25 74 -52 41 2 34 40 46 21 41 56 28 39 52 14 - 40 0 0 40 45 50 23 54 46 24 74 -52 40 53 58 40 37 42 41 48 0 39 43 26 - 41 0 0 40 36 33 23 54 50 23 73 -51 40 44 42 40 28 23 41 38 53 39 33 57 - 42 0 0 40 26 35 23 54 54 23 73 -50 40 34 46 40 18 24 41 29 8 39 23 48 - 43 0 0 40 15 57 23 54 58 22 72 -50 40 24 10 40 7 45 41 18 42 39 12 58 - 44 0 0 40 4 38 23 55 2 21 71 -49 40 12 52 39 56 24 41 7 36 39 1 26 - 45 0 0 39 52 38 23 55 6 20 71 -48 40 0 53 39 44 21 40 55 49 38 49 11 - 46 0 0 39 39 54 23 55 10 20 70 -48 39 48 12 39 31 37 40 43 20 38 36 13 - 47 0 0 39 26 29 23 55 14 19 70 -47 39 34 48 39 18 9 40 30 10 38 22 32 - 48 0 0 39 12 19 23 55 17 18 69 -46 39 20 41 39 3 57 40 16 16 38 8 6 - 49 0 0 38 57 25 23 55 20 17 68 -46 39 5 49 38 49 1 40 1 40 37 52 55 - 50 0 0 38 41 46 23 55 24 16 68 -45 38 50 12 38 33 19 39 46 18 37 36 57 - 51 0 0 38 25 21 23 55 27 16 67 -44 38 33 50 38 16 52 39 30 12 37 20 13 - 52 0 0 38 8 9 23 55 30 15 67 -44 38 16 41 37 59 38 39 13 20 37 2 42 - 53 0 0 37 50 10 23 55 33 14 66 -43 37 58 44 37 41 36 38 55 42 36 44 22 - 54 0 0 37 31 23 23 55 36 13 65 -42 37 40 0 37 22 45 38 37 15 36 25 12 - 55 0 0 37 11 45 23 55 38 12 65 -41 37 20 25 37 3 5 38 18 0 36 5 13 - 56 0 0 36 51 18 23 55 41 11 64 -41 37 0 1 36 42 35 37 57 56 35 44 21 - 57 0 0 36 29 59 23 55 43 10 64 -40 36 38 45 36 21 12 37 37 1 35 22 38 - 58 0 0 36 7 47 23 55 45 10 63 -39 36 16 36 35 58 57 37 15 15 35 0 0 - 59 0 0 35 44 42 23 55 47 9 62 -38 35 53 35 35 35 48 36 52 35 34 36 29 - 60 0 0 35 20 42 23 55 49 8 62 -37 35 29 38 35 11 45 36 29 2 34 12 1 - 61 0 0 34 55 45 23 55 50 7 61 -37 35 4 45 34 46 45 36 4 34 33 46 36 - 62 0 0 34 29 52 23 55 52 6 61 -36 34 38 56 34 20 47 35 39 10 33 20 13 - 63 0 0 34 3 0 23 55 53 5 60 -35 34 12 8 33 53 51 35 12 48 32 52 50 - 64 0 0 33 35 8 23 55 54 4 60 -34 33 44 20 33 25 55 34 45 27 32 24 26 - 65 0 0 33 6 14 23 55 55 3 59 -33 33 15 31 32 56 57 34 17 6 31 54 59 - 66 0 0 32 36 18 23 55 56 2 59 -32 32 45 39 32 26 57 33 47 44 31 24 29 - 67 0 0 32 5 18 23 55 56 1 58 -32 32 14 43 31 55 52 33 17 18 30 52 53 - 68 0 0 31 33 12 23 55 56 0 58 -31 31 42 42 31 23 41 .. .. .. .. .. .. Uncertainty in time = +/- 12 secs Prediction of 2012 Nov 16.0 Data for the target star ------------------------ * name: UCAC2 41347147 * constellation : Gemini * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 06 33 39.1594 DE: +27 22 47.354 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .074, .074 ) * V mag [mag]: 11.9 * B mag [mag]: 0.0 * Diameter [mas]: 0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1140) Crimea approx. diameter [km]: 29 approx. diameter ["]: .023 distance from Earth [AU]: 1.75600 * orbital information: orbit source: Preston date of fit: 2012 Nov 16 source of used astrometry: FASTT TMO MPC (via Astdys) number of used observations: 849 number of rejected observations: 47 time covered by the observations: 1935 Feb 09 - 2012 Nov 08 1 sigma uncertainty ellipse (major, minor, PA): 0.025, 0.014, 80° remarks: * orbital elements for (1140) Crimea : Mean anomaly = 49.65552249 deg Arg. of pericenter = 311.10299294 deg Long. of node = 72.15863186 deg Inclination = 14.13851057 deg Eccentricity = 0.11340851 Semimajor axis = 2.77338197 AU Perihelion dist = 2.45885684 AU Mag: H = 9.64, G = 0.15 Epoch of elements : MJD 56250.98800000 TDT (2012 Nov 19.988) ------ occelmnt file for Occult BEGIN ----------------------------------- 2012 Nov 19 1140 Crimea 23h 43.1m UT 11.9 6 33 39.159 27 22 47.35UCAC2 41347147 0.0 14.4 29 3.6 1.756 -1.190 16.68 43.2296 27.375 -179.37 -19.73 23.7188 -0.13520 -0.12625 -3.16029 3.32974 -0.00371 -0.00011 2000 49.44468520121119.00000311.102993 72.158632 14.1385110.11340851 2.7733820 2.458856910.3 5.00.15 RATE 2.1339760 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.078 0.075 89 4.33 0.076 0 0 4 4 056247.0020121119_347147 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2012 Nov 16, 08:21 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org