IOTA/IOTA-ES occultation update for (6002) 1988 RO / UCAC2 27691608 event on 2009 Apr 08, 09:48 UT Visible from Summary ------- On 2009 Apr 08 UT, the 30 km diameter asteroid (6002) 1988 RO will occult a 11.5 mag star in the constellation Serpens for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.4 mag to 17.9 mag (the magnitude of the asteroid) for at most 4.0 seconds. This update is based on historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 4 * date and approx. time of event: 2009 Apr 08, 09:42 - 2009 Apr 08, 10:10 UT * magnitude of target star: 11.5 * magnitude drop [mag]: 6.4 * estimated maximum duration [s]: 4.0 * Moon: 98 % sunlit, 78° distance * Sun: 118° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 30 * 1 sigma uncertainty interval [path widths]: +/- 14.64 * 1 sigma uncertainty interval [seconds]: +/- 34.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .131 +/- .075) * 1 sigma uncertainty ellipse (major, minor, PA): ( .132", .074", 83° ) * approx speed of asteroid's shadow [km/s]: 7.5326 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC2 27691608 by 6002 1988 RO on 2009 Apr 8 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 -108 40 43 77 0 0 10 10 34 1 161 -2 -108 2 51 -109 18 44 - 90 9 21 ... .. .. -107 16 6 76 0 0 10 10 34 2 162 -3 -106 41 8 -107 51 10 - 90 5 3 ... .. .. -106 2 45 75 0 0 10 10 33 3 164 -3 -105 30 15 -106 35 20 - 90 0 45 -123 26 3 -104 58 27 74 0 0 10 10 32 4 165 -4 -104 28 4 -105 28 54 - 89 56 25 -121 5 26 -104 1 30 73 0 0 10 10 31 5 166 -4 -103 32 58 -104 30 6 - 89 52 4 -119 3 42 -103 10 38 72 0 0 10 10 30 6 166 -5 -102 43 43 -103 37 35 - 89 47 40 -117 17 1 -102 24 49 71 0 0 10 10 28 7 167 -5 -101 59 20 -102 50 20 - 89 43 14 -115 42 34 -101 43 16 70 0 0 10 10 26 8 168 -6 -101 19 3 -102 7 30 - 89 38 44 -114 18 14 -101 5 21 69 0 0 10 10 24 9 168 -6 -100 42 17 -101 28 26 - 89 34 12 -113 2 20 -100 30 32 68 0 0 10 10 22 10 169 -7 -100 8 30 -100 52 35 - 89 29 36 -111 53 34 - 99 58 25 67 0 0 10 10 19 11 169 -7 - 99 37 19 -100 19 31 - 89 24 56 -110 50 55 - 99 28 37 66 0 0 10 10 16 12 170 -7 - 99 8 23 - 99 48 53 - 89 20 13 -109 53 31 - 99 0 52 65 0 0 10 10 13 13 170 -8 - 98 41 24 - 99 20 20 - 89 15 26 -109 0 40 - 98 34 54 64 0 0 10 10 9 14 171 -8 - 98 16 9 - 98 53 40 - 89 10 34 -108 11 48 - 98 10 31 63 0 0 10 10 5 15 171 -9 - 97 52 25 - 98 28 37 - 89 5 39 -107 26 26 - 97 47 32 62 0 0 10 10 1 16 171 -9 - 97 30 3 - 98 5 1 - 89 0 40 -106 44 9 - 97 25 47 61 0 0 10 9 57 17 172 -10 - 97 8 52 - 97 42 43 - 88 55 36 -106 4 37 - 97 5 9 60 0 0 10 9 52 18 172 -10 - 96 48 45 - 97 21 34 - 88 50 28 -105 27 31 - 96 45 31 59 0 0 10 9 48 19 172 -11 - 96 29 36 - 97 1 26 - 88 45 15 -104 52 36 - 96 26 46 58 0 0 10 9 43 20 172 -11 - 96 11 18 - 96 42 15 - 88 39 59 -104 19 40 - 96 8 50 57 0 0 10 9 37 21 173 -11 - 95 53 47 - 96 23 53 - 88 34 37 -103 48 30 - 95 51 37 56 0 0 10 9 32 22 173 -12 - 95 36 58 - 96 6 16 - 88 29 11 -103 18 56 - 95 35 3 55 0 0 10 9 26 23 173 -12 - 95 20 47 - 95 49 20 - 88 23 41 -102 50 49 - 95 19 5 54 0 0 10 9 20 24 173 -13 - 95 5 9 - 95 33 1 - 88 18 6 -102 24 1 - 95 3 40 53 0 0 10 9 14 25 174 -13 - 94 50 3 - 95 17 16 - 88 12 26 -101 58 26 - 94 48 43 52 0 0 10 9 7 26 174 -13 - 94 35 26 - 95 2 1 - 88 6 42 -101 33 57 - 94 34 14 51 0 0 10 9 1 27 174 -14 - 94 21 14 - 94 47 15 - 88 0 53 -101 10 28 - 94 20 9 50 0 0 10 8 54 28 174 -14 - 94 7 25 - 94 32 53 - 87 54 59 -100 47 55 - 94 6 26 49 0 0 10 8 47 29 174 -15 - 93 53 58 - 94 18 55 - 87 49 0 -100 26 13 - 93 53 4 48 0 0 10 8 39 30 174 -15 - 93 40 50 - 94 5 18 - 87 42 57 -100 5 18 - 93 40 0 47 0 0 10 8 32 31 175 -15 - 93 28 0 - 93 52 1 - 87 36 48 - 99 45 6 - 93 27 14 46 0 0 10 8 24 32 175 -16 - 93 15 27 - 93 39 1 - 87 30 35 - 99 25 35 - 93 14 43 45 0 0 10 8 16 33 175 -16 - 93 3 8 - 93 26 17 - 87 24 17 - 99 6 40 - 93 2 26 44 0 0 10 8 8 34 175 -17 - 92 51 3 - 93 13 49 - 87 17 54 - 98 48 20 - 92 50 22 43 0 0 10 7 59 35 175 -17 - 92 39 10 - 93 1 34 - 87 11 26 - 98 30 31 - 92 38 30 42 0 0 10 7 50 36 175 -17 - 92 27 29 - 92 49 31 - 87 4 52 - 98 13 12 - 92 26 49 41 0 0 10 7 42 37 175 -18 - 92 15 58 - 92 37 40 - 86 58 14 - 97 56 21 - 92 15 18 40 0 0 10 7 32 38 176 -18 - 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89 46 11 - 90 4 36 - 85 16 17 - 94 34 24 - 89 45 5 26 0 0 10 5 5 52 177 -22 - 89 35 57 - 89 54 13 - 85 8 20 - 94 21 41 - 89 34 48 25 0 0 10 4 53 53 177 -22 - 89 25 45 - 89 43 51 - 85 0 17 - 94 9 7 - 89 24 32 24 0 0 10 4 42 54 178 -23 - 89 15 33 - 89 33 31 - 84 52 9 - 93 56 42 - 89 14 18 23 0 0 10 4 29 55 178 -23 - 89 5 23 - 89 23 13 - 84 43 55 - 93 44 25 - 89 4 5 22 0 0 10 4 17 56 178 -23 - 88 55 13 - 89 12 56 - 84 35 35 - 93 32 15 - 88 53 52 21 0 0 10 4 5 57 178 -23 - 88 45 4 - 89 2 39 - 84 27 9 - 93 20 13 - 88 43 39 20 0 0 10 3 52 58 178 -23 - 88 34 55 - 88 52 24 - 84 18 38 - 93 8 18 - 88 33 27 19 0 0 10 3 40 59 178 -24 - 88 24 46 - 88 42 8 - 84 10 1 - 92 56 28 - 88 23 15 18 0 0 10 3 27 60 179 -24 - 88 14 37 - 88 31 53 - 84 1 17 - 92 44 45 - 88 13 2 17 0 0 10 3 14 61 179 -24 - 88 4 27 - 88 21 38 - 83 52 28 - 92 33 7 - 88 2 49 16 0 0 10 3 1 62 179 -24 - 87 54 16 - 88 11 22 - 83 43 32 - 92 21 34 - 87 52 35 15 0 0 10 2 48 63 179 -24 - 87 44 5 - 88 1 6 - 83 34 30 - 92 10 6 - 87 42 20 14 0 0 10 2 34 64 179 -24 - 87 33 52 - 87 50 49 - 83 25 22 - 91 58 43 - 87 32 4 13 0 0 10 2 21 65 180 -25 - 87 23 38 - 87 40 30 - 83 16 7 - 91 47 23 - 87 21 47 12 0 0 10 2 7 66 180 -25 - 87 13 23 - 87 30 11 - 83 6 46 - 91 36 8 - 87 11 28 11 0 0 10 1 54 67 180 -25 - 87 3 5 - 87 19 50 - 82 57 18 - 91 24 55 - 87 1 7 10 0 0 10 1 40 68 180 -25 - 86 52 46 - 87 9 28 - 82 47 44 - 91 13 46 - 86 50 45 9 0 0 10 1 26 69 181 -25 - 86 42 25 - 86 59 4 - 82 38 3 - 91 2 40 - 86 40 20 8 0 0 10 1 12 70 181 -25 - 86 32 1 - 86 48 38 - 82 28 14 - 90 51 37 - 86 29 53 7 0 0 10 0 58 71 182 -25 - 86 21 35 - 86 38 10 - 82 18 19 - 90 40 36 - 86 19 23 6 0 0 10 0 44 72 182 -25 - 86 11 7 - 86 27 39 - 82 8 16 - 90 29 38 - 86 8 51 5 0 0 10 0 30 73 183 -25 - 86 0 35 - 86 17 6 - 81 58 7 - 90 18 41 - 85 58 16 4 0 0 10 0 16 74 183 -25 - 85 50 1 - 86 6 31 - 81 47 49 - 90 7 46 - 85 47 38 3 0 0 10 0 2 75 184 -26 - 85 39 23 - 85 55 52 - 81 37 24 - 89 56 53 - 85 36 56 2 0 0 9 59 47 76 185 -26 - 85 28 42 - 85 45 10 - 81 26 51 - 89 46 1 - 85 26 11 1 0 0 9 59 33 77 185 -26 - 85 17 57 - 85 34 25 - 81 16 10 - 89 35 10 - 85 15 23 0 0 0 9 59 19 78 186 -26 - 85 7 9 - 85 23 37 - 81 5 21 - 89 24 20 - 85 4 30 - 1 0 0 9 59 4 79 188 -26 - 84 56 16 - 85 12 45 - 80 54 23 - 89 13 31 - 84 53 34 - 2 0 0 9 58 49 80 189 -26 - 84 45 20 - 85 1 48 - 80 43 17 - 89 2 42 - 84 42 34 - 3 0 0 9 58 35 81 191 -26 - 84 34 19 - 84 50 48 - 80 32 2 - 88 51 53 - 84 31 29 - 4 0 0 9 58 20 82 193 -26 - 84 23 13 - 84 39 44 - 80 20 38 - 88 41 5 - 84 20 19 - 5 0 0 9 58 6 83 196 -26 - 84 12 3 - 84 28 35 - 80 9 4 - 88 30 17 - 84 9 4 - 6 0 0 9 57 51 84 200 -26 - 84 0 47 - 84 17 21 - 79 57 21 - 88 19 28 - 83 57 44 - 7 0 0 9 57 36 85 205 -26 - 83 49 26 - 84 6 2 - 79 45 28 - 88 8 39 - 83 46 19 - 8 0 0 9 57 21 86 212 -26 - 83 38 0 - 83 54 39 - 79 33 25 - 87 57 49 - 83 34 49 - 9 0 0 9 57 6 86 222 -25 - 83 26 28 - 83 43 9 - 79 21 11 - 87 46 58 - 83 23 12 -10 0 0 9 56 52 87 236 -25 - 83 14 50 - 83 31 34 - 79 8 46 - 87 36 6 - 83 11 29 -11 0 0 9 56 37 87 255 -25 - 83 3 5 - 83 19 53 - 78 56 10 - 87 25 13 - 82 59 40 -12 0 0 9 56 22 87 275 -25 - 82 51 14 - 83 8 5 - 78 43 23 - 87 14 19 - 82 47 43 -13 0 0 9 56 7 87 293 -25 - 82 39 16 - 82 56 11 - 78 30 23 - 87 3 23 - 82 35 40 -14 0 0 9 55 52 86 306 -25 - 82 27 10 - 82 44 10 - 78 17 11 - 86 52 25 - 82 23 29 -15 0 0 9 55 38 85 315 -25 - 82 14 57 - 82 32 2 - 78 3 46 - 86 41 24 - 82 11 11 -16 0 0 9 55 23 84 321 -25 - 82 2 36 - 82 19 46 - 77 50 8 - 86 30 22 - 81 58 44 -17 0 0 9 55 8 84 326 -25 - 81 50 6 - 82 7 22 - 77 36 15 - 86 19 17 - 81 46 9 -18 0 0 9 54 53 83 329 -25 - 81 37 28 - 81 54 50 - 77 22 9 - 86 8 9 - 81 33 25 -19 0 0 9 54 39 82 332 -24 - 81 24 41 - 81 42 8 - 77 7 47 - 85 56 57 - 81 20 31 -20 0 0 9 54 24 81 334 -24 - 81 11 44 - 81 29 18 - 76 53 9 - 85 45 43 - 81 7 27 -21 0 0 9 54 9 80 336 -24 - 80 58 37 - 81 16 18 - 76 38 15 - 85 34 24 - 80 54 13 -22 0 0 9 53 55 79 337 -24 - 80 45 19 - 81 3 8 - 76 23 4 - 85 23 2 - 80 40 49 -23 0 0 9 53 40 78 338 -24 - 80 31 50 - 80 49 47 - 76 7 36 - 85 11 35 - 80 27 12 -24 0 0 9 53 26 77 339 -24 - 80 18 9 - 80 36 15 - 75 51 48 - 85 0 4 - 80 13 24 -25 0 0 9 53 11 76 340 -23 - 80 4 16 - 80 22 31 - 75 35 41 - 84 48 28 - 79 59 22 -26 0 0 9 52 57 75 341 -23 - 79 50 11 - 80 8 34 - 75 19 14 - 84 36 46 - 79 45 8 -27 0 0 9 52 42 74 341 -23 - 79 35 51 - 79 54 24 - 75 2 25 - 84 24 58 - 79 30 39 -28 0 0 9 52 28 73 342 -23 - 79 21 17 - 79 40 1 - 74 45 13 - 84 13 5 - 79 15 55 -29 0 0 9 52 14 72 342 -22 - 79 6 28 - 79 25 23 - 74 27 38 - 84 1 4 - 79 0 56 -30 0 0 9 52 0 71 342 -22 - 78 51 23 - 79 10 29 - 74 9 38 - 83 48 57 - 78 45 40 -31 0 0 9 51 45 70 343 -22 - 78 36 0 - 78 55 19 - 73 51 12 - 83 36 42 - 78 30 6 -32 0 0 9 51 31 69 343 -22 - 78 20 20 - 78 39 52 - 73 32 18 - 83 24 19 - 78 14 14 -33 0 0 9 51 18 68 343 -21 - 78 4 21 - 78 24 6 - 73 12 55 - 83 11 47 - 77 58 2 -34 0 0 9 51 4 67 343 -21 - 77 48 2 - 78 8 2 - 72 53 1 - 82 59 5 - 77 41 29 -35 0 0 9 50 50 66 343 -21 - 77 31 22 - 77 51 36 - 72 32 35 - 82 46 14 - 77 24 34 -36 0 0 9 50 36 65 344 -21 - 77 14 19 - 77 34 49 - 72 11 34 - 82 33 12 - 77 7 16 -37 0 0 9 50 23 64 344 -20 - 76 56 52 - 77 17 39 - 71 49 56 - 82 19 58 - 76 49 32 -38 0 0 9 50 9 63 344 -20 - 76 39 0 - 77 0 4 - 71 27 40 - 82 6 32 - 76 31 22 -39 0 0 9 49 56 62 344 -20 - 76 20 40 - 76 42 3 - 71 4 42 - 81 52 53 - 76 12 43 -40 0 0 9 49 43 61 344 -19 - 76 1 52 - 76 23 34 - 70 41 0 - 81 39 0 - 75 53 34 -41 0 0 9 49 30 60 344 -19 - 75 42 33 - 76 4 35 - 70 16 31 - 81 24 51 - 75 33 52 -42 0 0 9 49 17 59 344 -19 - 75 22 40 - 75 45 4 - 69 51 12 - 81 10 26 - 75 13 36 -43 0 0 9 49 4 58 344 -18 - 75 2 13 - 75 24 59 - 69 25 0 - 80 55 43 - 74 52 43 -44 0 0 9 48 51 57 343 -18 - 74 41 8 - 75 4 18 - 68 57 50 - 80 40 42 - 74 31 10 -45 0 0 9 48 39 56 343 -18 - 74 19 22 - 74 42 57 - 68 29 38 - 80 25 19 - 74 8 54 -46 0 0 9 48 26 55 343 -17 - 73 56 53 - 74 20 55 - 68 0 21 - 80 9 35 - 73 45 52 -47 0 0 9 48 14 54 343 -17 - 73 33 37 - 73 58 7 - 67 29 52 - 79 53 27 - 73 22 1 -48 0 0 9 48 2 53 343 -17 - 73 9 30 - 73 34 30 - 66 58 6 - 79 36 53 - 72 57 16 -49 0 0 9 47 50 52 343 -16 - 72 44 29 - 73 10 1 - 66 24 58 - 79 19 52 - 72 31 33 -50 0 0 9 47 38 51 343 -16 - 72 18 30 - 72 44 35 - 65 50 19 - 79 2 20 - 72 4 47 -51 0 0 9 47 26 50 342 -16 - 71 51 26 - 72 18 7 - 65 14 3 - 78 44 15 - 71 36 53 -52 0 0 9 47 15 49 342 -15 - 71 23 13 - 71 50 32 - 64 36 0 - 78 25 34 - 71 7 45 -53 0 0 9 47 4 48 342 -15 - 70 53 45 - 71 21 45 - 63 56 2 - 78 6 15 - 70 37 17 -54 0 0 9 46 52 46 341 -14 - 70 22 55 - 70 51 38 - 63 13 56 - 77 46 13 Latitude Latitude Latitude Latitude - 70 0 0 -55 9 43 9 46 39 45 341 -14 -54 42 48 -55 36 40 -41 39 23 -69 5 14 - 69 0 0 -56 54 4 9 46 21 43 340 -13 -56 28 13 -57 19 56 -43 55 17 -70 14 7 - 68 0 0 -58 29 31 9 46 4 42 340 -12 -58 4 41 -58 54 22 -46 0 42 -71 16 13 - 67 0 0 -59 56 57 9 45 49 40 339 -12 -59 33 5 -60 20 50 -47 56 29 -72 12 21 - 66 0 0 -61 17 10 9 45 36 39 338 -11 -60 54 12 -61 40 9 -49 43 30 -73 3 17 - 65 0 0 -62 30 54 9 45 24 38 337 -11 -62 8 47 -62 53 2 -51 22 30 -73 49 37 - 64 0 0 -63 38 48 9 45 13 36 337 -10 -63 17 28 -64 0 7 -52 54 10 -74 31 55 - 63 0 0 -64 41 25 9 45 3 35 336 -10 -64 20 51 -65 1 59 -54 19 11 -75 10 39 - 62 0 0 -65 39 17 9 44 55 34 335 -9 -65 19 26 -65 59 9 -55 38 7 -75 46 11 - 61 0 0 -66 32 52 9 44 47 33 334 -9 -66 13 40 -66 52 5 -56 51 30 -76 18 54 - 60 0 0 -67 22 35 9 44 39 32 333 -8 -67 4 0 -67 41 9 -57 59 49 -76 49 5 - 59 0 0 -68 8 46 9 44 33 31 332 -8 -67 50 46 -68 26 45 -59 3 31 -77 17 0 - 58 0 0 -68 51 45 9 44 26 31 331 -8 -68 34 18 -69 9 12 -60 2 59 -77 42 53 - 57 0 0 -69 31 50 9 44 21 30 330 -7 -69 14 54 -69 48 46 -60 58 34 -78 6 55 - 56 0 0 -70 9 16 9 44 16 29 329 -7 -69 52 49 -70 25 42 -61 50 37 -78 29 18 - 55 0 0 -70 44 16 9 44 11 28 329 -7 -70 28 17 -71 0 15 -62 39 23 -78 50 9 - 54 0 0 -71 17 4 9 44 6 28 328 -6 -71 1 30 -71 32 37 -63 25 10 -79 9 39 - 53 0 0 -71 47 49 9 44 2 27 327 -6 -71 32 40 -72 2 58 -64 8 11 -79 27 53 - 52 0 0 -72 16 43 9 43 58 27 326 -6 -72 1 57 -72 31 29 -64 48 38 -79 44 59 - 51 0 0 -72 43 53 9 43 55 26 325 -6 -72 29 28 -72 58 17 -65 26 44 -80 1 1 - 50 0 0 -73 9 27 9 43 52 26 324 -5 -72 55 24 -73 23 31 -66 2 40 -80 16 6 - 49 0 0 -73 33 34 9 43 48 25 323 -5 -73 19 50 -73 47 18 -66 36 33 -80 30 17 - 48 0 0 -73 56 19 9 43 46 25 322 -5 -73 42 53 -74 9 45 -67 8 35 -80 43 39 - 47 0 0 -74 17 48 9 43 43 24 321 -5 -74 4 40 -74 30 57 -67 38 51 -80 56 16 - 46 0 0 -74 38 7 9 43 40 24 320 -5 -74 25 15 -74 50 59 -68 7 30 -81 8 11 - 45 0 0 -74 57 21 9 43 38 23 319 -4 -74 44 44 -75 9 57 -68 34 37 -81 19 26 - 44 0 0 -75 15 33 9 43 35 23 318 -4 -75 3 12 -75 27 55 -69 0 20 -81 30 5 - 43 0 0 -75 32 49 9 43 33 23 317 -4 -75 20 41 -75 44 56 -69 24 43 -81 40 10 - 42 0 0 -75 49 11 9 43 31 22 316 -4 -75 37 17 -76 1 5 -69 47 52 -81 49 43 - 41 0 0 -76 4 43 9 43 29 22 315 -4 -75 53 2 -76 16 24 -70 9 51 -81 58 47 - 40 0 0 -76 19 28 9 43 27 22 314 -4 -76 7 59 -76 30 58 -70 30 44 -82 7 23 - 39 0 0 -76 33 30 9 43 26 21 313 -3 -76 22 12 -76 44 47 -70 50 35 -82 15 33 - 38 0 0 -76 46 49 9 43 24 21 312 -3 -76 35 43 -76 57 56 -71 9 28 -82 23 18 - 37 0 0 -76 59 30 9 43 22 21 312 -3 -76 48 34 -77 10 26 -71 27 26 -82 30 41 - 36 0 0 -77 11 34 9 43 21 20 311 -3 -77 0 47 -77 22 20 -71 44 32 -82 37 41 - 35 0 0 -77 23 3 9 43 19 20 310 -3 -77 12 26 -77 33 39 -72 0 49 -82 44 22 - 34 0 0 -77 33 59 9 43 18 20 309 -3 -77 23 31 -77 44 26 -72 16 20 -82 50 43 - 33 0 0 -77 44 23 9 43 16 19 308 -3 -77 34 4 -77 54 43 -72 31 6 -82 56 45 - 32 0 0 -77 54 19 9 43 15 19 307 -2 -77 44 8 -78 4 29 -72 45 11 -83 2 31 - 31 0 0 -78 3 46 9 43 14 19 306 -2 -77 53 42 -78 13 49 -72 58 36 -83 8 0 - 30 0 0 -78 12 46 9 43 13 19 305 -2 -78 2 50 -78 22 41 -73 11 23 -83 13 13 - 29 0 0 -78 21 20 9 43 11 18 304 -2 -78 11 32 -78 31 9 -73 23 34 -83 18 11 - 28 0 0 -78 29 31 9 43 10 18 303 -2 -78 19 49 -78 39 12 -73 35 11 -83 22 55 - 27 0 0 -78 37 18 9 43 9 18 302 -2 -78 27 43 -78 46 53 -73 46 15 -83 27 26 - 26 0 0 -78 44 43 9 43 8 18 301 -2 -78 35 14 -78 54 12 -73 56 47 -83 31 43 - 25 0 0 -78 51 47 9 43 7 17 300 -2 -78 42 23 -79 1 10 -74 6 50 -83 35 49 - 24 0 0 -78 58 30 9 43 6 17 299 -1 -78 49 12 -79 7 47 -74 16 23 -83 39 42 - 23 0 0 -79 4 54 9 43 5 17 298 -1 -78 55 42 -79 14 6 -74 25 29 -83 43 24 - 22 0 0 -79 10 59 9 43 4 17 297 -1 -79 1 52 -79 20 6 -74 34 8 -83 46 55 - 21 0 0 -79 16 46 9 43 3 17 296 -1 -79 7 44 -79 25 48 -74 42 22 -83 50 16 - 20 0 0 -79 22 16 9 43 3 16 295 -1 -79 13 18 -79 31 13 -74 50 11 -83 53 27 - 19 0 0 -79 27 29 9 43 2 16 294 -1 -79 18 35 -79 36 22 -74 57 36 -83 56 28 - 18 0 0 -79 32 25 9 43 1 16 293 -1 -79 23 36 -79 41 15 -75 4 38 -83 59 19 - 17 0 0 -79 37 6 9 43 0 16 292 -1 -79 28 21 -79 45 52 -75 11 18 -84 2 2 - 16 0 0 -79 41 32 9 42 59 16 291 -1 -79 32 51 -79 50 14 -75 17 37 -84 4 35 - 15 0 0 -79 45 44 9 42 59 15 290 -1 -79 37 6 -79 54 22 -75 23 34 -84 7 1 - 14 0 0 -79 49 41 9 42 58 15 289 -1 -79 41 6 -79 58 16 -75 29 12 -84 9 18 - 13 0 0 -79 53 24 9 42 57 15 288 0 -79 44 52 -80 1 56 -75 34 29 -84 11 27 - 12 0 0 -79 56 54 9 42 56 15 287 0 -79 48 25 -80 5 23 -75 39 28 -84 13 28 - 11 0 0 -80 0 11 9 42 56 15 286 0 -79 51 45 -80 8 37 -75 44 8 -84 15 21 - 10 0 0 -80 3 15 9 42 55 14 285 0 -79 54 51 -80 11 38 -75 48 30 -84 17 8 - 9 0 0 -80 6 6 9 42 54 14 284 0 -79 57 45 -80 14 27 -75 52 34 -84 18 47 - 8 0 0 -80 8 46 9 42 54 14 283 0 -80 0 27 -80 17 4 -75 56 21 -84 20 19 Uncertainty in time = +/- 62 secs [Prediction of 2008 Mar 20.0] Data for the target star ------------------------ * name: UCAC2 27691608 * constellation : Serpens * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 17 19 33.3886 DE: -11 38 36.054 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .021, .021 ) * V mag [mag]: 11.5 * B mag [mag]: 0.0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (6002) 1988 RO approx. diameter [km]: 30 approx. diameter ["]: .009 distance from Earth [AU]: 4.84700 * orbital information: orbit source: Preston date of fit: 2008 Mar 19 source of used astrometry: MPC (via Astdys) number of used observations: 449 number of rejected observations: 9 time covered by the observations: 1953 Sep 16 - 2008 Jan 11 1 sigma uncertainty ellipse (major, minor, PA): 0.130, 0.071, 83° remarks: * orbital elements for (6002) 1988 RO : Mean anomaly = 253.44619157 deg Arg. of pericenter = 157.99066079 deg Long. of node = 209.74901651 deg Inclination = 15.56056669 deg Eccentricity = 0.09223387 Semimajor axis = 5.21443207 AU Perihelion dist = 4.73348483 AU Mag: H = 10.32, G = 0.15 Epoch of elements : MJD 54929.40800000 TDT (2009 Apr 08.408) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Apr 8 6002 1988 RO 9h 56.5m UT 11.5 17 19 33.389-11 38 36.05UCAC2 27691608 0.0 17.9 30 4.0 4.847 -0.065 7.66 -86.0364 -11.645 31.33 7.33 9.9420 0.04764 0.00580 -0.52000 4.21967 -0.00523 -0.00019 2000 252.6674552009 330.00000157.990661209.749017 15.5605670.09223387 5.2144321 4.733484810.2 5.00.15 RATE 0.8277390 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.132 0.074 83 15.64 0.125 0 54545.5020090408_691608 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Mar 20, 06:55 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org