IOTA/IOTA-ES occultation update for (1663) van den Bos / TYC 1326-01541-1 event on 2007 Oct 03, 21:39 UT Visible from China, SW Asia Summary ------- On 2007 Oct 03 UT, the 12 km diameter asteroid (1663) van den Bos will occult a 9.0 mag star in the constellation Orion for observers along a path across China, SW Asia. In the case of an occultation, the combined light of the asteroid and the star will drop by 7.1 mag to 16.1 mag (the magnitude of the asteroid) for at most 0.9 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 31 * date and approx. time of event: 2007 Oct 03, 21:32 - 2007 Oct 03, 21:47 UT * midpoint of event [JD]: 2454377.40274583 * magnitude of target star: 9.0 * magnitude drop [mag]: 7.1 * estimated maximum duration [s]: 0.9 * Moon: 45 % sunlit, 13° distance * Sun: 97° distance * rough path description: China, SW Asia The occultation path -------------------- * approximate projected width [km]: 13 * 1 sigma uncertainty interval [path widths]: +/- 2.15 * 1 sigma uncertainty interval [seconds]: +/- 2.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .032 +/- .022) * 1 sigma uncertainty ellipse (major, minor, PA): ( .032", .021", 85° ) * approx speed of asteroid's shadow [km/s]: 13.2999 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1326-01541-1 by 1663 van den Bos on 2007 Oct 03 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 21 0 0 20 58 46 21 32 45 1 68 -69 20 54 49 21 2 43 .. .. .. 21 19 42 22 0 0 21 22 35 21 32 45 2 68 -69 21 18 39 21 26 32 .. .. .. 21 43 33 23 0 0 21 46 31 21 32 46 3 68 -69 21 42 34 21 50 28 .. .. .. 22 7 30 24 0 0 22 10 32 21 32 46 4 69 -69 22 6 34 22 14 29 21 49 35 22 31 32 25 0 0 22 34 37 21 32 47 5 69 -70 22 30 39 22 38 35 22 13 39 22 55 38 26 0 0 22 58 46 21 32 48 6 69 -70 22 54 48 23 2 44 22 37 48 23 19 49 27 0 0 23 22 59 21 32 49 7 70 -70 23 19 1 23 26 57 23 2 0 23 44 3 28 0 0 23 47 15 21 32 50 8 70 -69 23 43 16 23 51 13 23 26 14 24 8 19 29 0 0 24 11 32 21 32 52 9 71 -69 24 7 34 24 15 31 23 50 31 24 32 38 30 0 0 24 35 51 21 32 53 10 71 -69 24 31 53 24 39 50 24 14 49 24 56 57 31 0 0 25 0 11 21 32 55 11 72 -69 24 56 13 25 4 10 24 39 9 25 21 18 32 0 0 25 24 31 21 32 57 12 72 -69 25 20 33 25 28 30 25 3 28 25 45 39 33 0 0 25 48 51 21 32 59 13 72 -68 25 44 52 25 52 50 25 27 47 26 9 59 34 0 0 26 13 10 21 33 1 14 73 -68 26 9 11 26 17 9 25 52 5 26 34 18 35 0 0 26 37 26 21 33 3 15 73 -67 26 33 27 26 41 25 26 16 22 26 58 35 36 0 0 27 1 41 21 33 6 16 74 -67 26 57 42 27 5 40 26 40 36 27 22 50 37 0 0 27 25 52 21 33 8 17 74 -67 27 21 53 27 29 51 27 4 47 27 47 1 38 0 0 27 50 0 21 33 11 18 75 -66 27 46 1 27 53 59 27 28 55 28 11 9 39 0 0 28 14 3 21 33 14 19 75 -65 28 10 4 28 18 2 27 52 58 28 35 13 40 0 0 28 38 2 21 33 17 20 76 -65 28 34 3 28 42 1 28 16 57 28 59 11 41 0 0 29 1 55 21 33 20 21 77 -64 28 57 56 29 5 54 28 40 50 29 23 4 42 0 0 29 25 42 21 33 23 22 77 -64 29 21 43 29 29 41 29 4 37 29 46 51 43 0 0 29 49 22 21 33 26 23 78 -63 29 45 23 29 53 21 29 28 18 30 10 31 44 0 0 30 12 55 21 33 30 23 78 -62 30 8 56 30 16 54 29 51 51 30 34 3 45 0 0 30 36 20 21 33 34 24 79 -62 30 32 22 30 40 19 30 15 17 30 57 28 46 0 0 30 59 37 21 33 37 25 79 -61 30 55 38 31 3 36 30 38 34 31 20 44 47 0 0 31 22 45 21 33 41 26 80 -60 31 18 46 31 26 43 31 1 43 31 43 51 48 0 0 31 45 43 21 33 45 27 81 -59 31 41 45 31 49 42 31 24 42 32 6 48 49 0 0 32 8 31 21 33 49 28 81 -59 32 4 33 32 12 30 31 47 31 32 29 36 50 0 0 32 31 9 21 33 53 29 82 -58 32 27 11 32 35 7 32 10 10 32 52 13 51 0 0 32 53 36 21 33 58 30 83 -57 32 49 38 32 57 34 32 32 37 33 14 38 52 0 0 33 15 51 21 34 2 31 83 -56 33 11 54 33 19 49 32 54 54 33 36 53 53 0 0 33 37 54 21 34 7 32 84 -55 33 33 57 33 41 52 33 16 58 33 58 55 54 0 0 33 59 45 21 34 11 33 85 -55 33 55 48 34 3 42 33 38 50 34 20 44 55 0 0 34 21 23 21 34 16 33 86 -54 34 17 26 34 25 20 34 0 30 34 42 21 56 0 0 34 42 48 21 34 21 34 86 -53 34 38 51 34 46 45 34 21 56 35 3 44 57 0 0 35 3 59 21 34 25 35 87 -52 35 0 3 35 7 55 34 43 8 35 24 54 58 0 0 35 24 56 21 34 30 36 88 -51 35 21 0 35 28 52 35 4 7 35 45 49 59 0 0 35 45 39 21 34 35 37 89 -51 35 41 43 35 49 34 35 24 51 36 6 30 60 0 0 36 6 6 21 34 40 38 90 -50 36 2 11 36 10 2 35 45 20 36 26 56 61 0 0 36 26 19 21 34 45 38 91 -49 36 22 24 36 30 14 36 5 34 36 47 7 62 0 0 36 46 16 21 34 51 39 92 -48 36 42 21 36 50 11 36 25 33 37 7 3 63 0 0 37 5 57 21 34 56 40 92 -47 37 2 3 37 9 52 36 45 17 37 26 42 64 0 0 37 25 23 21 35 1 41 93 -47 37 21 29 37 29 17 37 4 44 37 46 6 65 0 0 37 44 32 21 35 7 42 94 -46 37 40 38 37 48 26 37 23 55 38 5 13 66 0 0 38 3 24 21 35 12 42 95 -45 37 59 31 38 7 18 37 42 49 38 24 3 67 0 0 38 22 0 21 35 17 43 96 -44 38 18 7 38 25 53 38 1 27 38 42 37 68 0 0 38 40 18 21 35 23 44 97 -43 38 36 26 38 44 11 38 19 47 39 0 53 69 0 0 38 58 20 21 35 29 45 98 -43 38 54 27 39 2 12 38 37 50 39 18 53 70 0 0 39 16 3 21 35 34 45 99 -42 39 12 11 39 19 55 38 55 36 39 36 34 71 0 0 39 33 29 21 35 40 46 100 -41 39 29 38 39 37 21 39 13 4 39 53 58 72 0 0 39 50 37 21 35 45 47 102 -40 39 46 46 39 54 29 39 30 14 40 11 4 73 0 0 40 7 28 21 35 51 48 103 -39 40 3 37 40 11 18 39 47 7 40 27 52 74 0 0 40 24 0 21 35 57 48 104 -38 40 20 9 40 27 50 40 3 41 40 44 22 75 0 0 40 40 13 21 36 3 49 105 -38 40 36 24 40 44 3 40 19 57 41 0 34 76 0 0 40 56 9 21 36 8 50 106 -37 40 52 19 40 59 58 40 35 54 41 16 27 77 0 0 41 11 46 21 36 14 50 107 -36 41 7 57 41 15 35 40 51 33 41 32 1 78 0 0 41 27 4 21 36 20 51 109 -35 41 23 15 41 30 52 41 6 54 41 47 17 79 0 0 41 42 3 21 36 26 52 110 -35 41 38 15 41 45 51 41 21 55 42 2 15 80 0 0 41 56 44 21 36 32 52 111 -34 41 52 56 42 0 32 41 36 38 42 16 53 81 0 0 42 11 6 21 36 38 53 113 -33 42 7 18 42 14 53 41 51 2 42 31 13 82 0 0 42 25 8 21 36 44 53 114 -32 42 21 21 42 28 55 42 5 7 42 45 13 83 0 0 42 38 52 21 36 50 54 115 -31 42 35 6 42 42 39 42 18 53 42 58 55 84 0 0 42 52 17 21 36 56 55 117 -31 42 48 31 42 56 3 42 32 20 43 12 18 85 0 0 43 5 23 21 37 2 55 118 -30 43 1 37 43 9 9 42 45 28 43 25 21 86 0 0 43 18 10 21 37 8 56 120 -29 43 14 24 43 21 55 42 58 17 43 38 6 87 0 0 43 30 37 21 37 14 56 121 -28 43 26 52 43 34 22 43 10 47 43 50 31 88 0 0 43 42 46 21 37 19 57 123 -28 43 39 1 43 46 30 43 22 57 44 2 38 89 0 0 43 54 35 21 37 25 57 125 -27 43 50 51 43 58 19 43 34 48 44 14 25 90 0 0 44 6 5 21 37 31 58 126 -26 44 2 21 44 9 49 43 46 21 44 25 53 91 0 0 44 17 16 21 37 37 58 128 -25 44 13 33 44 21 0 43 57 34 44 37 2 92 0 0 44 28 8 21 37 43 59 130 -25 44 24 25 44 31 51 44 8 28 44 47 52 93 0 0 44 38 41 21 37 49 59 131 -24 44 34 58 44 42 24 44 19 2 44 58 23 94 0 0 44 48 55 21 37 55 60 133 -23 44 45 13 44 52 37 44 29 18 45 8 35 95 0 0 44 58 50 21 38 1 60 135 -22 44 55 8 45 2 32 44 39 15 45 18 28 96 0 0 45 8 25 21 38 7 60 137 -22 45 4 44 45 12 7 44 48 52 45 28 2 97 0 0 45 17 42 21 38 13 61 139 -21 45 14 1 45 21 23 44 58 10 45 37 16 98 0 0 45 26 39 21 38 19 61 140 -20 45 22 58 45 30 20 45 7 10 45 46 12 99 0 0 45 35 18 21 38 25 61 142 -19 45 31 37 45 38 59 45 15 50 45 54 49 100 0 0 45 43 38 21 38 31 62 144 -19 45 39 57 45 47 18 45 24 11 46 3 7 101 0 0 45 51 39 21 38 37 62 146 -18 45 47 59 45 55 19 45 32 14 46 11 7 102 0 0 45 59 20 21 38 43 62 148 -17 45 55 41 46 3 0 45 39 57 46 18 47 103 0 0 46 6 44 21 38 49 63 150 -16 46 3 4 46 10 23 45 47 22 46 26 8 104 0 0 46 13 48 21 38 55 63 153 -16 46 10 9 46 17 27 45 54 27 46 33 11 105 0 0 46 20 33 21 39 1 63 155 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4 47 26 17 47 3 35 47 41 50 120 0 0 47 24 49 21 40 30 64 187 -4 47 21 13 47 28 25 47 5 43 47 43 57 121 0 0 47 26 39 21 40 35 63 189 -4 47 23 3 47 30 15 47 7 34 47 45 47 122 0 0 47 28 10 21 40 41 63 192 -3 47 24 34 47 31 47 47 9 6 47 47 18 123 0 0 47 29 24 21 40 47 63 194 -2 47 25 48 47 33 0 47 10 19 47 48 32 124 0 0 47 30 19 21 40 53 63 196 -2 47 26 43 47 33 55 47 11 15 47 49 27 125 0 0 47 30 56 21 40 58 63 198 -1 47 27 20 47 34 32 47 11 52 47 50 3 126 0 0 47 31 15 21 41 4 63 200 0 47 27 39 47 34 51 47 12 11 47 50 22 127 0 0 47 31 15 21 41 10 62 202 0 47 27 39 47 34 52 47 12 11 47 50 23 128 0 0 47 30 58 21 41 16 62 204 1 47 27 22 47 34 34 47 11 53 47 50 5 129 0 0 47 30 22 21 41 21 62 206 2 47 26 46 47 33 58 47 11 17 47 49 29 130 0 0 47 29 28 21 41 27 61 208 2 47 25 52 47 33 4 47 10 23 47 48 36 131 0 0 47 28 16 21 41 33 61 210 3 47 24 39 47 31 52 47 9 11 47 47 24 132 0 0 47 26 45 21 41 38 61 211 4 47 23 9 47 30 22 47 7 40 47 45 53 133 0 0 47 24 56 21 41 44 60 213 5 47 21 20 47 28 33 47 5 51 47 44 5 134 0 0 47 22 49 21 41 50 60 215 5 47 19 13 47 26 26 47 3 43 47 41 59 135 0 0 47 20 24 21 41 55 60 217 6 47 16 48 47 24 1 47 1 18 47 39 34 136 0 0 47 17 41 21 42 1 59 219 7 47 14 4 47 21 18 46 58 34 47 36 51 137 0 0 47 14 39 21 42 6 59 220 7 47 11 2 47 18 16 46 55 31 47 33 50 138 0 0 47 11 19 21 42 12 59 222 8 47 7 42 47 14 56 46 52 10 47 30 31 139 0 0 47 7 41 21 42 17 58 224 9 47 4 4 47 11 18 46 48 31 47 26 53 140 0 0 47 3 44 21 42 23 58 225 9 47 0 7 47 7 21 46 44 34 47 22 58 141 0 0 46 59 29 21 42 28 57 227 10 46 55 52 47 3 7 46 40 18 47 18 43 142 0 0 46 54 56 21 42 34 57 228 11 46 51 18 46 58 33 46 35 43 47 14 11 143 0 0 46 50 4 21 42 39 56 230 11 46 46 26 46 53 42 46 30 50 47 9 20 144 0 0 46 44 54 21 42 45 56 231 12 46 41 15 46 48 32 46 25 39 47 4 11 145 0 0 46 39 25 21 42 50 55 233 13 46 35 46 46 43 3 46 20 9 46 58 43 146 0 0 46 33 38 21 42 56 55 234 13 46 29 59 46 37 16 46 14 21 46 52 57 147 0 0 46 27 32 21 43 1 54 236 14 46 23 53 46 31 11 46 8 14 46 46 53 148 0 0 46 21 7 21 43 7 54 237 15 46 17 28 46 24 47 46 1 48 46 40 30 149 0 0 46 14 24 21 43 12 53 239 16 46 10 45 46 18 4 45 55 4 46 33 48 150 0 0 46 7 23 21 43 17 53 240 16 46 3 43 46 11 3 45 48 1 46 26 48 151 0 0 46 0 3 21 43 23 52 241 17 45 56 23 46 3 43 45 40 39 46 19 30 152 0 0 45 52 24 21 43 28 52 243 18 45 48 44 45 56 4 45 32 59 46 11 52 153 0 0 45 44 26 21 43 33 51 244 18 45 40 46 45 48 7 45 25 0 46 3 56 154 0 0 45 36 10 21 43 38 50 245 19 45 32 29 45 39 51 45 16 42 45 55 42 155 0 0 45 27 35 21 43 44 50 246 20 45 23 54 45 31 16 45 8 5 45 47 8 156 0 0 45 18 41 21 43 49 49 248 20 45 15 0 45 22 23 44 59 9 45 38 16 157 0 0 45 9 29 21 43 54 49 249 21 45 5 47 45 13 10 44 49 55 45 29 5 158 0 0 44 59 57 21 43 59 48 250 22 44 56 15 45 3 39 44 40 22 45 19 36 159 0 0 44 50 7 21 44 4 47 251 23 44 46 24 44 53 49 44 30 29 45 9 47 160 0 0 44 39 58 21 44 9 47 252 23 44 36 15 44 43 40 44 20 18 44 59 40 161 0 0 44 29 30 21 44 14 46 253 24 44 25 46 44 33 13 44 9 49 44 49 14 162 0 0 44 18 43 21 44 19 45 254 25 44 14 59 44 22 26 43 59 0 44 38 29 163 0 0 44 7 37 21 44 24 45 256 25 44 3 53 44 11 21 43 47 52 44 27 25 164 0 0 43 56 12 21 44 29 44 257 26 43 52 28 43 59 56 43 36 25 44 16 2 165 0 0 43 44 29 21 44 34 43 258 27 43 40 44 43 48 13 43 24 40 44 4 21 166 0 0 43 32 26 21 44 39 43 259 28 43 28 41 43 36 11 43 12 35 43 52 21 167 0 0 43 20 5 21 44 44 42 260 28 43 16 20 43 23 50 43 0 12 43 40 1 168 0 0 43 7 25 21 44 49 41 261 29 43 3 39 43 11 11 42 47 30 43 27 23 169 0 0 42 54 26 21 44 54 41 262 30 42 50 40 42 58 12 42 34 29 43 14 27 170 0 0 42 41 8 21 44 58 40 263 30 42 37 22 42 44 55 42 21 9 43 1 11 171 0 0 42 27 32 21 45 3 39 264 31 42 23 45 42 31 19 42 7 30 42 47 37 172 0 0 42 13 37 21 45 8 39 264 32 42 9 49 42 17 24 41 53 33 42 33 44 173 0 0 41 59 23 21 45 12 38 265 33 41 55 35 42 3 11 41 39 17 42 19 32 174 0 0 41 44 51 21 45 17 37 266 33 41 41 3 41 48 39 41 24 43 42 5 2 175 0 0 41 30 0 21 45 21 36 267 34 41 26 12 41 33 49 41 9 50 41 50 14 176 0 0 41 14 51 21 45 26 36 268 35 41 11 2 41 18 40 40 54 39 41 35 7 177 0 0 40 59 24 21 45 30 35 269 35 40 55 34 41 3 13 40 39 10 41 19 42 178 0 0 40 43 38 21 45 34 34 270 36 40 39 48 40 47 28 40 23 22 41 3 58 179 0 0 40 27 35 21 45 38 33 271 37 40 23 44 40 31 25 40 7 16 40 47 57 180 0 0 40 11 13 21 45 43 32 271 38 40 7 22 40 15 4 39 50 52 40 31 37 -179 0 0 39 54 34 21 45 47 32 272 38 39 50 43 39 58 25 39 34 11 40 15 0 -178 0 0 39 37 37 21 45 51 31 273 39 39 33 45 39 41 28 39 17 12 39 58 5 -177 0 0 39 20 22 21 45 55 30 274 40 39 16 30 39 24 14 38 59 55 39 40 53 -176 0 0 39 2 50 21 45 59 29 275 40 38 58 58 39 6 42 38 42 21 39 23 23 -175 0 0 38 45 1 21 46 2 28 275 41 38 41 9 38 48 54 38 24 30 39 5 36 -174 0 0 38 26 55 21 46 6 28 276 42 38 23 2 38 30 48 38 6 23 38 47 32 -173 0 0 38 8 33 21 46 10 27 277 42 38 4 39 38 12 26 37 47 58 38 29 11 -172 0 0 37 49 53 21 46 13 26 278 43 37 46 0 37 53 47 37 29 17 38 10 34 -171 0 0 37 30 58 21 46 17 25 278 44 37 27 4 37 34 52 37 10 20 37 51 40 -170 0 0 37 11 47 21 46 20 24 279 45 37 7 52 37 15 41 36 51 7 37 32 30 -169 0 0 36 52 19 21 46 23 23 280 45 36 48 25 36 56 14 36 31 38 37 13 5 -168 0 0 36 32 37 21 46 27 23 280 46 36 28 42 36 36 32 36 11 53 36 53 24 -167 0 0 36 12 39 21 46 30 22 281 47 36 8 44 36 16 35 35 51 54 36 33 28 -166 0 0 35 52 27 21 46 33 21 282 47 35 48 31 35 56 22 35 31 40 36 13 17 -165 0 0 35 32 0 21 46 36 20 282 48 35 28 4 35 35 56 35 11 12 35 52 52 -164 0 0 35 11 19 21 46 38 19 283 49 35 7 22 35 15 15 34 50 29 35 32 12 -163 0 0 34 50 24 21 46 41 18 284 49 34 46 27 34 54 20 34 29 33 35 11 19 -162 0 0 34 29 15 21 46 44 17 284 50 34 25 19 34 33 12 34 8 23 34 50 12 -161 0 0 34 7 54 21 46 46 16 285 50 34 3 57 34 11 51 33 47 0 34 28 52 -160 0 0 33 46 20 21 46 49 16 285 51 33 42 23 33 50 17 33 25 25 34 7 19 -159 0 0 33 24 34 21 46 51 15 286 52 33 20 37 33 28 31 33 3 38 33 45 34 -158 0 0 33 2 36 21 46 53 14 287 52 32 58 39 33 6 34 32 41 39 33 23 37 -157 0 0 32 40 27 21 46 55 13 287 53 32 36 29 32 44 25 32 19 29 33 1 29 -156 0 0 32 18 7 21 46 57 12 288 53 32 14 9 32 22 5 31 57 8 32 39 10 -155 0 0 31 55 37 21 46 58 11 288 54 31 51 39 31 59 35 31 34 37 32 16 40 -154 0 0 31 32 56 21 47 0 10 289 54 31 28 58 31 36 54 31 11 56 31 54 1 -153 0 0 31 10 7 21 47 1 9 289 55 31 6 8 31 14 5 30 49 6 31 31 12 -152 0 0 30 47 8 21 47 3 8 290 55 30 43 10 30 51 7 30 26 6 31 8 14 -151 0 0 30 24 1 21 47 4 7 290 56 30 20 3 30 28 0 30 2 59 30 45 7 -150 0 0 30 0 47 21 47 5 6 291 56 29 56 48 30 4 45 29 39 44 30 21 53 -149 0 0 29 37 25 21 47 6 5 291 56 29 33 26 29 41 23 29 16 22 29 58 32 -148 0 0 29 13 56 21 47 7 4 292 57 29 9 57 29 17 55 28 52 53 29 35 3 -147 0 0 28 50 21 21 47 7 3 292 57 28 46 23 28 54 20 28 29 18 29 11 29 -146 0 0 28 26 41 21 47 8 2 293 57 28 22 42 28 30 40 .. .. .. 28 47 48 -145 0 0 28 2 56 21 47 8 1 293 58 27 58 57 28 6 54 .. .. .. 28 24 3 -144 0 0 27 39 6 21 47 8 0 294 58 27 35 7 27 43 5 .. .. .. 28 0 13 Data for the target star ------------------------ * name: TYC 1326-01541-1 * constellation : Orion * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 06 15 10.6541 DE: +21 12 27.849 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .012, .013 ) * V mag [mag]: 9.0 * B mag [mag]: 9.5 * Apparent position with proper motion RA(deg): 93.9133393404 DE(deg): 21.2073939601 * Equation of equinoxes (radians) : 0.000029893770826 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1663) van den Bos approx. diameter [km]: 12 approx. diameter ["]: .010 distance from Earth [AU]: 1.64200 * orbital information: orbit source: Preston date of fit: 2007 Aug 29 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 685 number of rejected observations: 39 time covered by the observations: 1926 Aug 04 - 2006 Sep 21 1 sigma uncertainty ellipse (major, minor, PA): 0.030, 0.017, 84° remarks: * orbital elements for (1663) van den Bos : Mean anomaly = 48.00912874 deg Arg. of pericenter = 274.96182545 deg Long. of node = 83.31191460 deg Inclination = 5.36412004 deg Eccentricity = 0.17945851 Semimajor axis = 2.23988218 AU Perihelion dist = 1.83791626 AU Mag: H = 11.72, G = 0.15 Epoch of elements : MJD 54376.90300000 TDT (2007 Oct 03.903) ------ occelmnt file for Occult BEGIN ----------------------------------- 2007 Oct 03 1663 van den Bos 21h 40.0m UT 9.0 6 15 10.654 21 12 27.85TYC 1326-01541-1 9.5 16.1 12 0.9 1.642 2.869 2.59 -243.405 21.208 -147.73 -4.08 21.6659 -.02683 .43390 7.49128 0.48314 -0.00526 0.00016 2000 45.97955822007 927.00000274.961825 83.311915 5.3641200.179458512.239882181.8379162612.25 0.15 RATE 2.9401285 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.032 0.021 84.9 3.150 0.022 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2007 Sep 03, 05:59 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org