IOTA/IOTA-ES occultation update for (409) Aspasia / TYC 0756-00664-1 event on 2008 Jan 01, 23:03 UT Visible from India, Africa, Brazil Summary ------- On 2008 Jan 01 UT, the 162 km diameter asteroid (409) Aspasia will occult a 12.6 mag star in the constellation Monoceros for observers along a path across India, Africa, Brazil. In the case of an occultation, the combined light of the asteroid and the star will drop by 0.3 mag to 11.3 mag (the magnitude of the asteroid) for at most 12.4 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: 99 * date and approx. time of event: 2008 Jan 01, 22:55 - 2008 Jan 01, 23:12 UT * magnitude of target star: 12.6 * magnitude drop [mag]: 0.3 * estimated maximum duration [s]: 12.4 * Moon: 35 % sunlit, 103° distance * Sun: 168° distance * rough path description: India, Africa, Brazil The occultation path -------------------- * approximate projected width [km]: 162 * 1 sigma uncertainty interval [path widths]: +/- 0.17 * 1 sigma uncertainty interval [seconds]: +/- 2.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .024 +/- .022) * 1 sigma uncertainty ellipse (major, minor, PA): ( .024", .022", 95° ) * approx speed of asteroid's shadow [km/s]: 13.0349 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 0756-00664-1 by 409 Aspasia on 2008 Jan 01 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 ' " Latitude Latitude Latitude Latitude - 74 0 0 .. .. .. .. .. .. .. .. .. - 4 51 51 .. .. .. - 4 36 35 .. .. .. - 73 0 0 - 5 24 36 23 12 5 1 79 -2 - 4 39 44 - 6 9 27 - 4 24 29 - 6 24 41 - 72 0 0 - 5 12 23 23 12 5 2 79 -3 - 4 27 30 - 5 57 15 - 4 12 14 - 6 12 30 - 71 0 0 - 5 0 2 23 12 5 3 78 -4 - 4 15 8 - 5 44 55 - 3 59 52 - 6 0 10 - 70 0 0 - 4 47 33 23 12 4 4 78 -5 - 4 2 38 - 5 32 27 - 3 47 22 - 5 47 43 - 69 0 0 - 4 34 57 23 12 3 5 78 -6 - 3 50 1 - 5 19 52 - 3 34 44 - 5 35 9 - 68 0 0 - 4 22 14 23 12 2 6 78 -7 - 3 37 17 - 5 7 10 - 3 22 0 - 5 22 27 - 67 0 0 - 4 9 25 23 12 2 7 78 -8 - 3 24 27 - 4 54 22 - 3 9 9 - 5 9 39 - 66 0 0 - 3 56 28 23 12 0 8 78 -9 - 3 11 29 - 4 41 26 - 2 56 11 - 4 56 44 - 65 0 0 - 3 43 26 23 11 59 9 78 -10 - 2 58 26 - 4 28 25 - 2 43 8 - 4 43 42 - 64 0 0 - 3 30 17 23 11 58 10 78 -11 - 2 45 16 - 4 15 17 - 2 29 58 - 4 30 35 - 63 0 0 - 3 17 3 23 11 56 11 78 -12 - 2 32 1 - 4 2 3 - 2 16 42 - 4 17 22 - 62 0 0 - 3 3 43 23 11 54 12 78 -13 - 2 18 40 - 3 48 44 - 2 3 21 - 4 4 3 - 61 0 0 - 2 50 17 23 11 52 13 78 -14 - 2 5 14 - 3 35 20 - 1 49 55 - 3 50 38 - 60 0 0 - 2 36 47 23 11 50 14 78 -15 - 1 51 43 - 3 21 50 - 1 36 23 - 3 37 9 - 59 0 0 - 2 23 12 23 11 48 15 78 -16 - 1 38 7 - 3 8 16 - 1 22 47 - 3 23 35 - 58 0 0 - 2 9 33 23 11 46 16 78 -17 - 1 24 27 - 2 54 37 - 1 9 7 - 3 9 57 - 57 0 0 - 1 55 49 23 11 43 17 78 -18 - 1 10 43 - 2 40 54 - 0 55 22 - 2 56 14 - 56 0 0 - 1 42 1 23 11 41 18 78 -19 - 0 56 55 - 2 27 7 - 0 41 34 - 2 42 27 - 55 0 0 - 1 28 10 23 11 38 19 78 -20 - 0 43 3 - 2 13 17 - 0 27 42 - 2 28 37 - 54 0 0 - 1 14 16 23 11 35 20 78 -21 - 0 29 8 - 1 59 22 - 0 13 47 - 2 14 43 - 53 0 0 - 1 0 18 23 11 32 21 78 -22 - 0 15 10 - 1 45 25 0 0 12 - 2 0 46 - 52 0 0 - 0 46 17 23 11 29 22 77 -23 - 0 1 9 - 1 31 25 0 14 13 - 1 46 46 - 51 0 0 - 0 32 14 23 11 25 23 77 -24 0 12 55 - 1 17 22 0 28 16 - 1 32 43 - 50 0 0 - 0 18 9 23 11 22 24 77 -25 0 27 1 - 1 3 17 0 42 22 - 1 18 38 - 49 0 0 - 0 4 1 23 11 18 25 77 -26 0 41 8 - 0 49 10 0 56 30 - 1 4 31 - 48 0 0 0 10 8 23 11 14 26 78 -27 0 55 18 - 0 35 2 1 10 39 - 0 50 23 - 47 0 0 0 24 18 23 11 10 27 78 -28 1 9 28 - 0 20 51 1 24 50 - 0 36 12 - 46 0 0 0 38 30 23 11 6 28 78 -28 1 23 40 - 0 6 40 1 39 2 - 0 22 1 - 45 0 0 0 52 42 23 11 2 29 78 -29 1 37 53 0 7 33 1 53 15 - 0 7 48 - 44 0 0 1 6 56 23 10 58 30 78 -30 1 52 6 0 21 46 2 7 28 0 6 25 - 43 0 0 1 21 9 23 10 54 31 78 -31 2 6 20 0 35 59 2 21 42 0 20 38 - 42 0 0 1 35 23 23 10 49 32 78 -32 2 20 34 0 50 13 2 35 56 0 34 52 - 41 0 0 1 49 36 23 10 44 33 78 -33 2 34 47 1 4 26 2 50 9 0 49 5 - 40 0 0 2 3 49 23 10 40 34 78 -34 2 49 0 1 18 39 3 4 22 1 3 18 - 39 0 0 2 18 1 23 10 35 35 78 -35 3 3 12 1 32 52 3 18 34 1 17 31 - 38 0 0 2 32 12 23 10 30 36 78 -36 3 17 23 1 47 3 3 32 45 1 31 42 - 37 0 0 2 46 22 23 10 24 37 78 -37 3 31 32 2 1 13 3 46 54 1 45 52 - 36 0 0 3 0 31 23 10 19 38 78 -38 3 45 41 2 15 22 4 1 2 2 0 1 - 35 0 0 3 14 37 23 10 14 39 78 -39 3 59 47 2 29 28 4 15 8 2 14 8 - 34 0 0 3 28 41 23 10 8 40 78 -40 4 13 51 2 43 33 4 29 12 2 28 12 - 33 0 0 3 42 44 23 10 3 41 78 -41 4 27 52 2 57 36 4 43 14 2 42 15 - 32 0 0 3 56 43 23 9 57 42 78 -42 4 41 51 3 11 35 4 57 13 2 56 15 - 31 0 0 4 10 40 23 9 51 43 78 -43 4 55 48 3 25 32 5 11 9 3 10 12 - 30 0 0 4 24 33 23 9 45 44 79 -44 5 9 41 3 39 26 5 25 1 3 24 6 - 29 0 0 4 38 23 23 9 39 45 79 -45 5 23 30 3 53 17 5 38 51 3 37 57 - 28 0 0 4 52 9 23 9 33 46 79 -46 5 37 16 4 7 4 5 52 36 3 51 44 - 27 0 0 5 5 52 23 9 27 47 79 -47 5 50 58 4 20 47 6 6 18 4 5 28 - 26 0 0 5 19 31 23 9 20 48 79 -48 6 4 36 4 34 26 6 19 56 4 19 7 - 25 0 0 5 33 5 23 9 14 49 79 -49 6 18 9 4 48 1 6 33 29 4 32 42 - 24 0 0 5 46 34 23 9 8 50 79 -50 6 31 38 5 1 31 6 46 57 4 46 12 - 23 0 0 5 59 59 23 9 1 51 79 -51 6 45 2 5 14 57 7 0 21 4 59 38 - 22 0 0 6 13 18 23 8 54 52 80 -52 6 58 21 5 28 17 7 13 40 5 12 59 - 21 0 0 6 26 33 23 8 48 53 80 -53 7 11 34 5 41 32 7 26 53 5 26 14 - 20 0 0 6 39 41 23 8 41 54 80 -54 7 24 42 5 54 42 7 40 0 5 39 24 - 19 0 0 6 52 44 23 8 34 55 80 -55 7 37 44 6 7 45 7 53 2 5 52 28 - 18 0 0 7 5 41 23 8 27 56 80 -56 7 50 40 6 20 43 8 5 58 6 5 26 - 17 0 0 7 18 32 23 8 20 57 80 -56 8 3 30 6 33 35 8 18 48 6 18 18 - 16 0 0 7 31 16 23 8 13 58 81 -57 8 16 13 6 46 20 8 31 31 6 31 4 - 15 0 0 7 43 54 23 8 5 59 81 -58 8 28 50 6 58 59 8 44 7 6 43 43 - 14 0 0 7 56 25 23 7 58 60 81 -59 8 41 20 7 11 31 8 56 37 6 56 15 - 13 0 0 8 8 49 23 7 51 61 81 -60 8 53 43 7 23 56 9 8 59 7 8 41 - 12 0 0 8 21 6 23 7 44 62 82 -61 9 5 59 7 36 14 9 21 14 7 20 59 - 11 0 0 8 33 15 23 7 36 63 82 -62 9 18 7 7 48 24 9 33 22 7 33 9 - 10 0 0 8 45 16 23 7 29 64 82 -63 9 30 7 8 0 27 9 45 22 7 45 12 - 9 0 0 8 57 10 23 7 21 65 82 -64 9 42 0 8 12 22 9 57 15 7 57 8 - 8 0 0 9 8 56 23 7 13 66 83 -65 9 53 45 8 24 8 10 8 59 8 8 55 - 7 0 0 9 20 34 23 7 6 67 83 -66 10 5 21 8 35 47 10 20 35 8 20 34 - 6 0 0 9 32 3 23 6 58 68 83 -66 10 16 49 8 47 17 10 32 3 8 32 5 - 5 0 0 9 43 23 23 6 50 69 84 -67 10 28 9 8 58 39 10 43 22 8 43 27 - 4 0 0 9 54 35 23 6 43 70 84 -68 10 39 19 9 9 52 10 54 32 8 54 40 - 3 0 0 10 5 38 23 6 35 71 85 -69 10 50 21 9 20 57 11 5 34 9 5 45 - 2 0 0 10 16 32 23 6 27 72 85 -70 11 1 14 9 31 52 11 16 26 9 16 41 - 1 0 0 10 27 17 23 6 19 73 85 -71 11 11 58 9 42 38 11 27 9 9 27 27 0 0 0 10 37 53 23 6 11 74 86 -71 11 22 32 9 53 14 11 37 43 9 38 4 1 0 0 10 48 18 23 6 3 75 87 -72 11 32 57 10 3 41 11 48 7 9 48 31 2 0 0 10 58 35 23 5 55 76 87 -73 11 43 12 10 13 59 11 58 22 9 58 49 3 0 0 11 8 41 23 5 47 77 88 -74 11 53 17 10 24 6 12 8 27 10 8 57 4 0 0 11 18 37 23 5 39 78 89 -75 12 3 12 10 34 4 12 18 21 10 18 55 5 0 0 11 28 24 23 5 31 79 90 -75 12 12 57 10 43 52 12 28 6 10 28 43 6 0 0 11 38 0 23 5 23 80 91 -76 12 22 32 10 53 29 12 37 41 10 38 21 7 0 0 11 47 25 23 5 15 80 92 -77 12 31 56 11 2 56 12 47 5 10 47 48 8 0 0 11 56 41 23 5 7 81 93 -77 12 41 10 11 12 12 12 56 18 10 57 5 9 0 0 12 5 45 23 4 59 82 95 -78 12 50 14 11 21 18 13 5 21 11 6 11 10 0 0 12 14 39 23 4 51 83 97 -78 12 59 6 11 30 13 13 14 13 11 15 6 11 0 0 12 23 22 23 4 43 84 100 -79 13 7 48 11 38 57 13 22 55 11 23 51 12 0 0 12 31 54 23 4 35 85 104 -79 13 16 18 11 47 30 13 31 25 11 32 24 13 0 0 12 40 14 23 4 26 86 109 -79 13 24 38 11 55 52 13 39 44 11 40 47 14 0 0 12 48 24 23 4 18 87 117 -80 13 32 46 12 4 2 13 47 52 11 48 58 15 0 0 12 56 22 23 4 10 87 130 -80 13 40 44 12 12 2 13 55 49 11 56 57 16 0 0 13 4 9 23 4 2 88 152 -80 13 48 29 12 19 50 14 3 34 12 4 46 17 0 0 13 11 44 23 3 54 88 181 -80 13 56 3 12 27 26 14 11 8 12 12 22 18 0 0 13 19 8 23 3 46 88 206 -80 14 3 26 12 34 51 14 18 30 12 19 47 19 0 0 13 26 20 23 3 38 87 223 -80 14 10 37 12 42 4 14 25 40 12 27 1 20 0 0 13 33 20 23 3 30 86 233 -79 14 17 36 12 49 5 14 32 39 12 34 2 21 0 0 13 40 8 23 3 22 85 239 -79 14 24 23 12 55 54 14 39 26 12 40 52 22 0 0 13 46 44 23 3 14 85 243 -79 14 30 58 13 2 31 14 46 0 12 47 29 23 0 0 13 53 8 23 3 6 84 247 -78 14 37 21 13 8 56 14 52 23 12 53 54 24 0 0 13 59 20 23 2 58 83 249 -78 14 43 32 13 15 9 14 58 34 13 0 8 25 0 0 14 5 19 23 2 50 82 251 -77 14 49 30 13 21 9 15 4 32 13 6 9 26 0 0 14 11 7 23 2 42 81 253 -76 14 55 17 13 26 58 15 10 18 13 11 57 27 0 0 14 16 42 23 2 34 80 254 -76 15 0 51 13 32 33 15 15 52 13 17 33 28 0 0 14 22 4 23 2 26 79 255 -75 15 6 13 13 37 57 15 21 13 13 22 57 29 0 0 14 27 14 23 2 18 78 256 -74 15 11 22 13 43 8 15 26 22 13 28 8 30 0 0 14 32 11 23 2 10 77 257 -74 15 16 18 13 48 6 15 31 18 13 33 6 31 0 0 14 36 56 23 2 2 76 258 -73 15 21 2 13 52 51 15 36 2 13 37 52 32 0 0 14 41 28 23 1 54 75 258 -72 15 25 33 13 57 24 15 40 33 13 42 25 33 0 0 14 45 47 23 1 47 74 259 -71 15 29 52 14 1 44 15 44 51 13 46 45 34 0 0 14 49 54 23 1 39 74 260 -71 15 33 57 14 5 51 15 48 57 13 50 53 35 0 0 14 53 47 23 1 31 73 260 -70 15 37 50 14 9 45 15 52 49 13 54 47 36 0 0 14 57 28 23 1 24 72 261 -69 15 41 30 14 13 26 15 56 29 13 58 28 37 0 0 15 0 55 23 1 16 71 261 -68 15 44 57 14 16 54 15 59 56 14 1 57 38 0 0 15 4 10 23 1 9 70 262 -67 15 48 11 14 20 10 16 3 10 14 5 12 39 0 0 15 7 11 23 1 1 69 262 -67 15 51 12 14 23 12 16 6 10 14 8 14 40 0 0 15 10 0 23 0 54 68 263 -66 15 54 0 14 26 0 16 8 58 14 11 3 41 0 0 15 12 35 23 0 46 67 263 -65 15 56 35 14 28 36 16 11 33 14 13 39 42 0 0 15 14 57 23 0 39 66 264 -64 15 58 56 14 30 59 16 13 54 14 16 2 43 0 0 15 17 6 23 0 32 65 264 -63 16 1 5 14 33 8 16 16 2 14 18 11 44 0 0 15 19 1 23 0 24 64 264 -62 16 3 0 14 35 4 16 17 58 14 20 7 45 0 0 15 20 44 23 0 17 63 265 -61 16 4 42 14 36 46 16 19 39 14 21 50 46 0 0 15 22 13 23 0 10 62 265 -61 16 6 11 14 38 15 16 21 8 14 23 19 47 0 0 15 23 28 23 0 3 61 265 -60 16 7 26 14 39 31 16 22 23 14 24 35 48 0 0 15 24 30 22 59 56 60 266 -59 16 8 28 14 40 34 16 23 25 14 25 37 49 0 0 15 25 19 22 59 49 60 266 -58 16 9 17 14 41 23 16 24 14 14 26 26 50 0 0 15 25 55 22 59 42 59 267 -57 16 9 52 14 41 58 16 24 49 14 27 2 51 0 0 15 26 17 22 59 35 58 267 -56 16 10 14 14 42 20 16 25 11 14 27 24 52 0 0 15 26 25 22 59 29 57 267 -55 16 10 23 14 42 29 16 25 20 14 27 33 53 0 0 15 26 21 22 59 22 56 267 -54 16 10 18 14 42 24 16 25 15 14 27 28 54 0 0 15 26 2 22 59 15 55 268 -53 16 10 0 14 42 6 16 24 57 14 27 10 55 0 0 15 25 30 22 59 9 54 268 -53 16 9 28 14 41 34 16 24 25 14 26 38 56 0 0 15 24 45 22 59 2 53 268 -52 16 8 43 14 40 49 16 23 40 14 25 52 57 0 0 15 23 46 22 58 56 52 269 -51 16 7 44 14 39 50 16 22 41 14 24 53 58 0 0 15 22 34 22 58 50 51 269 -50 16 6 32 14 38 37 16 21 29 14 23 41 59 0 0 15 21 8 22 58 44 50 269 -49 16 5 7 14 37 11 16 20 4 14 22 15 60 0 0 15 19 29 22 58 37 49 270 -48 16 3 28 14 35 32 16 18 25 14 20 35 61 0 0 15 17 36 22 58 31 48 270 -47 16 1 35 14 33 39 16 16 33 14 18 42 62 0 0 15 15 30 22 58 25 47 270 -46 15 59 30 14 31 32 16 14 27 14 16 35 63 0 0 15 13 11 22 58 19 46 271 -45 15 57 10 14 29 12 16 12 8 14 14 15 64 0 0 15 10 38 22 58 14 45 271 -44 15 54 38 14 26 38 16 9 36 14 11 41 65 0 0 15 7 51 22 58 8 45 271 -44 15 51 52 14 23 51 16 6 50 14 8 54 66 0 0 15 4 51 22 58 2 44 271 -43 15 48 52 14 20 51 16 3 50 14 5 53 67 0 0 15 1 38 22 57 57 43 272 -42 15 45 39 14 17 37 16 0 38 14 2 39 68 0 0 14 58 11 22 57 51 42 272 -41 15 42 13 14 14 9 15 57 12 13 59 12 69 0 0 14 54 31 22 57 46 41 272 -40 15 38 33 14 10 29 15 53 32 13 55 31 70 0 0 14 50 37 22 57 41 40 272 -39 15 34 41 14 6 34 15 49 40 13 51 36 71 0 0 14 46 30 22 57 36 39 273 -38 15 30 34 14 2 27 15 45 34 13 47 28 72 0 0 14 42 10 22 57 31 38 273 -37 15 26 15 13 58 6 15 41 15 13 43 7 73 0 0 14 37 37 22 57 26 37 273 -36 15 21 43 13 53 32 15 36 42 13 38 33 74 0 0 14 32 50 22 57 21 36 274 -35 15 16 57 13 48 45 15 31 57 13 33 45 75 0 0 14 27 50 22 57 16 35 274 -34 15 11 58 13 43 44 15 26 58 13 28 44 76 0 0 14 22 38 22 57 12 34 274 -33 15 6 46 13 38 30 15 21 47 13 23 30 77 0 0 14 17 12 22 57 7 33 274 -32 15 1 21 13 33 3 15 16 22 13 18 3 78 0 0 14 11 33 22 57 3 32 275 -32 14 55 43 13 27 23 15 10 44 13 12 23 79 0 0 14 5 41 22 56 58 31 275 -31 14 49 52 13 21 31 15 4 53 13 6 30 80 0 0 13 59 36 22 56 54 30 275 -30 14 43 48 13 15 25 14 58 50 13 0 23 81 0 0 13 53 18 22 56 50 29 275 -29 14 37 31 13 9 6 14 52 33 12 54 4 82 0 0 13 46 47 22 56 46 28 276 -28 14 31 2 13 2 34 14 46 4 12 47 32 83 0 0 13 40 4 22 56 42 27 276 -27 14 24 19 12 55 50 14 39 22 12 40 47 84 0 0 13 33 8 22 56 38 26 276 -26 14 17 24 12 48 53 14 32 28 12 33 50 85 0 0 13 25 59 22 56 35 25 276 -25 14 10 17 12 41 43 14 25 21 12 26 40 86 0 0 13 18 38 22 56 31 25 276 -24 14 2 57 12 34 20 14 18 1 12 19 17 87 0 0 13 11 5 22 56 28 24 277 -23 13 55 24 12 26 46 14 10 29 12 11 42 88 0 0 13 3 19 22 56 25 23 277 -22 13 47 40 12 18 58 14 2 45 12 3 54 89 0 0 12 55 20 22 56 22 22 277 -21 13 39 42 12 10 59 13 54 48 11 55 54 90 0 0 12 47 10 22 56 19 21 277 -20 13 31 33 12 2 47 13 46 39 11 47 42 91 0 0 12 38 47 22 56 16 20 278 -19 13 23 12 11 54 23 13 38 18 11 39 18 92 0 0 12 30 13 22 56 13 19 278 -18 13 14 39 11 45 47 13 29 45 11 30 41 93 0 0 12 21 26 22 56 10 18 278 -17 13 5 53 11 37 0 13 21 0 11 21 53 94 0 0 12 12 28 22 56 8 17 278 -16 12 56 56 11 28 0 13 12 4 11 12 53 95 0 0 12 3 18 22 56 6 16 278 -15 12 47 48 11 18 49 13 2 56 11 3 41 96 0 0 11 53 56 22 56 3 15 279 -14 12 38 27 11 9 26 12 53 36 10 54 18 97 0 0 11 44 23 22 56 1 14 279 -14 12 28 56 10 59 52 12 44 5 10 44 43 98 0 0 11 34 39 22 55 59 13 279 -13 12 19 13 10 50 6 12 34 22 10 34 57 99 0 0 11 24 43 22 55 58 12 279 -12 12 9 18 10 40 9 12 24 28 10 25 0 100 0 0 11 14 37 22 55 56 11 279 -11 11 59 13 10 30 1 12 14 24 10 14 51 101 0 0 11 4 19 22 55 54 10 280 -10 11 48 57 10 19 42 12 4 8 10 4 32 102 0 0 10 53 51 22 55 53 9 280 -9 11 38 30 10 9 12 11 53 41 9 54 2 103 0 0 10 43 12 22 55 52 8 280 -8 11 27 52 9 58 32 11 43 4 9 43 21 104 0 0 10 32 22 22 55 51 7 280 -7 11 17 4 9 47 41 11 32 16 9 32 30 105 0 0 10 21 23 22 55 50 6 280 -6 11 6 6 9 36 40 11 21 18 9 21 28 106 0 0 10 10 13 22 55 49 5 281 -5 10 54 57 9 25 29 11 10 10 9 10 17 107 0 0 9 58 53 22 55 48 4 281 -4 10 43 39 9 14 8 10 58 52 8 58 55 108 0 0 9 47 23 22 55 48 3 281 -3 10 32 10 9 2 36 10 47 24 8 47 23 109 0 0 9 35 43 22 55 47 2 281 -2 10 20 32 8 50 56 10 35 46 8 35 42 110 0 0 9 23 55 22 55 47 1 281 -1 10 8 44 8 39 5 10 23 59 8 23 51 111 0 0 .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 10 12 3 .. .. .. Data for the target star ------------------------ * name: TYC 0756-00664-1 * constellation : Monoceros * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 06 55 15.1653 DE: +11 15 57.272 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .020, .020 ) * V mag [mag]: 12.6 * B mag [mag]: 12.3 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (409) Aspasia approx. diameter [km]: 162 approx. diameter ["]: .130 distance from Earth [AU]: 1.72100 * orbital information: orbit source: Preston date of fit: 2007 Dec 18 source of used astrometry: FASTT TMO MPC (via Astdys) number of used observations: 1118 number of rejected observations: 140 time covered by the observations: 1902 Jul 07 - 2007 Dec 06 1 sigma uncertainty ellipse (major, minor, PA): 0.014, 0.010, 104° remarks: * orbital elements for (409) Aspasia : Mean anomaly = 234.45518895 deg Arg. of pericenter = 352.68380313 deg Long. of node = 242.36270951 deg Inclination = 11.24329206 deg Eccentricity = 0.07050536 Semimajor axis = 2.57685190 AU Perihelion dist = 2.39517004 AU Mag: H = 7.63, G = 0.29 Epoch of elements : MJD 54466.96100000 TDT (2008 Jan 01.961) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Jan 01 409 Aspasia 23h 3.9m UT 12.6 6 55 15.165 11 15 57.27TYC 0756-00664-1 12.3 11.3 162 12.4 1.721 -2.534 -4.91 16.852 11.267 194.90 -22.99 23.0656 -.00417 .03175 -7.29409 -0.96186 -0.00023 0.00121 2000 232.79658920071226.00000352.683803242.362710 11.2432920.070505362.576851902.395170047.625 0.29 RATE 2.3827030 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.024 0.022 94.7 1.170 0.022 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2007 Dec 19, 03:53 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org