IOTA/IOTA-ES occultation update for (572) Rebekka / TYC 5576-00528-1 event on 2008 Feb 05, 01:08 UT Visible from Europe, SW Asia Summary ------- On 2008 Feb 05 UT, the 30 km diameter asteroid (572) Rebekka will occult a 10.1 mag star in the constellation Libra for observers along a path across Europe, SW Asia. In the case of an occultation, the combined light of the asteroid and the star will drop by 6.0 mag to 16.1 mag (the magnitude of the asteroid) for at most 2.2 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: 45 * date and approx. time of event: 2008 Feb 05, 01:03 - 2008 Feb 05, 01:14 UT * magnitude of target star: 10.1 * magnitude drop [mag]: 6.0 * estimated maximum duration [s]: 2.2 * Moon: 5 % sunlit, 69° distance * Sun: 94° distance * rough path description: Europe, SW Asia The occultation path -------------------- * approximate projected width [km]: 41 * 1 sigma uncertainty interval [path widths]: +/- 1.46 * 1 sigma uncertainty interval [seconds]: +/- 3.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .029 +/- .023) * 1 sigma uncertainty ellipse (major, minor, PA): ( .029", .023", 92° ) * approx speed of asteroid's shadow [km/s]: 13.4869 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5576-00528-1 by 572 Rebekka on 2008 Feb 05 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 - 6 0 0 44 27 23 1 3 14 1 111 -61 44 15 36 44 39 14 .. .. .. 45 14 2 - 5 0 0 44 11 42 1 3 15 1 111 -61 43 59 54 44 23 32 .. .. .. 44 58 20 - 4 0 0 43 55 56 1 3 15 2 112 -61 43 44 9 44 7 47 .. .. .. 44 42 34 - 3 0 0 43 40 8 1 3 15 3 113 -61 43 28 21 43 51 58 .. .. .. 44 26 46 - 2 0 0 43 24 18 1 3 16 4 113 -61 43 12 30 43 36 7 .. .. .. 44 10 55 - 1 0 0 43 8 25 1 3 16 4 114 -61 42 56 37 43 20 14 .. .. .. 43 55 1 0 0 0 42 52 30 1 3 17 5 115 -61 42 40 43 43 4 19 42 6 32 43 39 5 1 0 0 42 36 33 1 3 18 6 115 -61 42 24 47 42 48 23 41 50 36 43 23 8 2 0 0 42 20 36 1 3 19 7 116 -61 42 8 49 42 32 25 41 34 39 43 7 10 3 0 0 42 4 38 1 3 20 8 117 -61 41 52 51 42 16 26 41 18 42 42 51 10 4 0 0 41 48 39 1 3 21 8 117 -61 41 36 53 42 0 27 41 2 44 42 35 10 5 0 0 41 32 40 1 3 23 9 118 -61 41 20 54 41 44 28 40 46 47 42 19 10 6 0 0 41 16 42 1 3 24 10 119 -60 41 4 56 41 28 30 40 30 50 42 3 11 7 0 0 41 0 44 1 3 26 11 119 -60 40 48 59 41 12 32 40 14 53 41 47 12 8 0 0 40 44 47 1 3 28 12 120 -60 40 33 3 40 56 35 39 58 58 41 31 14 9 0 0 40 28 52 1 3 29 12 121 -59 40 17 8 40 40 39 39 43 5 41 15 17 10 0 0 40 12 59 1 3 32 13 122 -59 40 1 15 40 24 46 39 27 13 40 59 22 11 0 0 39 57 8 1 3 34 14 122 -59 39 45 25 40 8 54 39 11 24 40 43 30 12 0 0 39 41 20 1 3 36 15 123 -58 39 29 37 39 53 6 38 55 37 40 27 40 13 0 0 39 25 35 1 3 38 16 124 -58 39 13 53 39 37 20 38 39 54 40 11 53 14 0 0 39 9 54 1 3 41 16 124 -57 38 58 12 39 21 38 38 24 15 39 56 9 15 0 0 38 54 16 1 3 44 17 125 -57 38 42 35 39 6 0 38 8 39 39 40 30 16 0 0 38 38 43 1 3 46 18 126 -56 38 27 2 38 50 27 37 53 8 39 24 54 17 0 0 38 23 15 1 3 49 19 126 -56 38 11 34 38 34 58 37 37 42 39 9 24 18 0 0 38 7 51 1 3 53 19 127 -55 37 56 11 38 19 34 37 22 20 38 53 58 19 0 0 37 52 34 1 3 56 20 128 -55 37 40 54 38 4 15 37 7 5 38 38 38 20 0 0 37 37 22 1 3 59 21 129 -54 37 25 43 37 49 3 36 51 55 38 23 24 21 0 0 37 22 17 1 4 3 22 129 -54 37 10 38 37 33 57 36 36 52 38 8 17 22 0 0 37 7 18 1 4 6 23 130 -53 36 55 40 37 18 58 36 21 56 37 53 16 23 0 0 36 52 27 1 4 10 23 131 -52 36 40 50 37 4 6 36 7 7 37 38 22 24 0 0 36 37 43 1 4 14 24 132 -52 36 26 6 36 49 22 35 52 26 37 23 35 25 0 0 36 23 7 1 4 18 25 132 -51 36 11 31 36 34 45 35 37 52 37 8 57 26 0 0 36 8 40 1 4 22 26 133 -50 35 57 5 36 20 17 35 23 27 36 54 27 27 0 0 35 54 21 1 4 26 26 134 -50 35 42 47 36 5 58 35 9 11 36 40 6 28 0 0 35 40 12 1 4 31 27 135 -49 35 28 38 35 51 48 34 55 4 36 25 54 29 0 0 35 26 12 1 4 35 28 136 -48 35 14 39 35 37 47 34 41 7 36 11 51 30 0 0 35 12 22 1 4 40 29 136 -47 35 0 49 35 23 57 34 27 20 35 57 59 31 0 0 34 58 42 1 4 45 29 137 -47 34 47 10 35 10 16 34 13 43 35 44 16 32 0 0 34 45 13 1 4 50 30 138 -46 34 33 42 34 56 47 34 0 16 35 30 45 33 0 0 34 31 55 1 4 55 31 139 -45 34 20 25 34 43 28 33 47 1 35 17 24 34 0 0 34 18 49 1 5 0 32 140 -44 34 7 19 34 30 21 33 33 57 35 4 15 35 0 0 34 5 54 1 5 5 32 141 -44 33 54 25 34 17 26 33 21 5 34 51 17 36 0 0 33 53 12 1 5 10 33 142 -43 33 41 43 34 4 42 33 8 25 34 38 32 37 0 0 33 40 42 1 5 16 34 143 -42 33 29 14 33 52 12 32 55 58 34 25 59 38 0 0 33 28 24 1 5 21 34 143 -41 33 16 57 33 39 54 32 43 43 34 13 39 39 0 0 33 16 20 1 5 27 35 144 -40 33 4 54 33 27 49 32 31 42 34 1 33 40 0 0 33 4 30 1 5 33 36 145 -40 32 53 4 33 15 58 32 19 54 33 49 39 41 0 0 32 52 53 1 5 39 36 146 -39 32 41 28 33 4 20 32 8 20 33 38 0 42 0 0 32 41 31 1 5 45 37 147 -38 32 30 6 32 52 57 31 57 0 33 26 35 43 0 0 32 30 22 1 5 51 38 148 -37 32 18 59 32 41 48 31 45 54 33 15 24 44 0 0 32 19 29 1 5 57 38 150 -36 32 8 6 32 30 54 31 35 3 33 4 28 45 0 0 32 8 51 1 6 3 39 151 -35 31 57 28 32 20 15 31 24 27 32 53 47 46 0 0 31 58 28 1 6 10 39 152 -34 31 47 6 32 9 52 31 14 7 32 43 22 47 0 0 31 48 20 1 6 16 40 153 -34 31 36 59 31 59 44 31 4 2 32 33 12 48 0 0 31 38 29 1 6 23 40 154 -33 31 27 8 31 49 51 30 54 13 32 23 18 49 0 0 31 28 53 1 6 29 41 155 -32 31 17 33 31 40 16 30 44 40 32 13 40 50 0 0 31 19 34 1 6 36 41 156 -31 31 8 15 31 30 56 30 35 23 32 4 19 51 0 0 31 10 32 1 6 43 42 158 -30 30 59 13 31 21 53 30 26 23 31 55 14 52 0 0 31 1 47 1 6 49 42 159 -29 30 50 28 31 13 7 30 17 40 31 46 26 53 0 0 30 53 18 1 6 56 43 160 -28 30 42 1 31 4 38 30 9 13 31 37 56 54 0 0 30 45 7 1 7 3 43 161 -27 30 33 50 30 56 27 30 1 4 31 29 43 55 0 0 30 37 14 1 7 10 44 163 -27 30 25 57 30 48 33 29 53 13 31 21 47 56 0 0 30 29 38 1 7 17 44 164 -26 30 18 22 30 40 57 29 45 39 31 14 10 57 0 0 30 22 21 1 7 24 44 165 -25 30 11 5 30 33 38 29 38 23 31 6 50 58 0 0 30 15 21 1 7 31 45 166 -24 30 4 6 30 26 38 29 31 26 30 59 49 59 0 0 30 8 40 1 7 39 45 168 -23 29 57 25 30 19 57 29 24 46 30 53 5 60 0 0 30 2 17 1 7 46 45 169 -22 29 51 3 30 13 34 29 18 25 30 46 41 61 0 0 29 56 13 1 7 53 46 171 -21 29 44 59 30 7 29 29 12 23 30 40 35 62 0 0 29 50 28 1 8 0 46 172 -20 29 39 14 30 1 43 29 6 39 30 34 49 63 0 0 29 45 2 1 8 8 46 173 -19 29 33 48 29 56 17 29 1 14 30 29 21 64 0 0 29 39 54 1 8 15 46 175 -18 29 28 42 29 51 9 28 56 9 30 24 12 65 0 0 29 35 6 1 8 22 46 176 -18 29 23 54 29 46 21 28 51 22 30 19 23 66 0 0 29 30 38 1 8 30 46 178 -17 29 19 26 29 41 52 28 46 55 30 14 53 67 0 0 29 26 29 1 8 37 47 179 -16 29 15 17 29 37 43 28 42 47 30 10 43 68 0 0 29 22 39 1 8 45 47 181 -15 29 11 28 29 33 53 28 38 58 30 6 52 69 0 0 29 19 9 1 8 52 47 182 -14 29 7 58 29 30 23 28 35 29 30 3 21 70 0 0 29 15 59 1 9 0 47 184 -13 29 4 48 29 27 12 28 32 20 30 0 10 71 0 0 29 13 9 1 9 7 47 185 -12 29 1 58 29 24 22 28 29 30 29 57 19 72 0 0 29 10 38 1 9 15 47 187 -11 28 59 28 29 21 51 28 27 1 29 54 48 73 0 0 29 8 28 1 9 22 47 188 -10 28 57 17 29 19 40 28 24 51 29 52 36 74 0 0 29 6 37 1 9 29 46 189 -10 28 55 27 29 17 50 28 23 1 29 50 45 75 0 0 29 5 7 1 9 37 46 191 -9 28 53 56 29 16 19 28 21 31 29 49 14 76 0 0 29 3 56 1 9 44 46 192 -8 28 52 46 29 15 8 28 20 20 29 48 3 77 0 0 29 3 6 1 9 52 46 194 -7 28 51 56 29 14 18 28 19 30 29 47 13 78 0 0 29 2 35 1 9 59 46 195 -6 28 51 25 29 13 47 28 19 0 29 46 42 79 0 0 29 2 25 1 10 6 45 196 -5 28 51 15 29 13 37 28 18 50 29 46 32 80 0 0 29 2 35 1 10 13 45 198 -4 28 51 25 29 13 47 28 19 0 29 46 42 81 0 0 29 3 5 1 10 21 45 199 -3 28 51 55 29 14 17 28 19 30 29 47 12 82 0 0 29 3 55 1 10 28 45 201 -3 28 52 45 29 15 7 28 20 20 29 48 2 83 0 0 29 5 5 1 10 35 44 202 -2 28 53 55 29 16 17 28 21 29 29 49 12 84 0 0 29 6 35 1 10 42 44 203 -1 28 55 25 29 17 47 28 22 59 29 50 42 85 0 0 29 8 25 1 10 49 43 204 0 28 57 15 29 19 37 28 24 49 29 52 33 86 0 0 29 10 35 1 10 56 43 206 1 28 59 24 29 21 47 28 26 58 29 54 43 87 0 0 29 13 4 1 11 3 43 207 2 29 1 54 29 24 17 28 29 27 29 57 13 88 0 0 29 15 54 1 11 10 42 208 2 29 4 43 29 27 7 28 32 16 30 0 4 89 0 0 29 19 3 1 11 17 42 209 3 29 7 52 29 30 16 28 35 24 30 3 13 90 0 0 29 22 32 1 11 24 41 210 4 29 11 21 29 33 45 28 38 52 30 6 43 91 0 0 29 26 20 1 11 30 41 212 5 29 15 8 29 37 33 28 42 39 30 10 32 92 0 0 29 30 27 1 11 37 40 213 6 29 19 16 29 41 41 28 46 46 30 14 41 93 0 0 29 34 54 1 11 43 40 214 7 29 23 42 29 46 8 28 51 12 30 19 9 94 0 0 29 39 40 1 11 50 39 215 7 29 28 28 29 50 55 28 55 56 30 23 56 95 0 0 29 44 45 1 11 56 38 216 8 29 33 33 29 56 0 29 1 0 30 29 2 96 0 0 29 50 9 1 12 3 38 217 9 29 38 56 30 1 24 29 6 23 30 34 27 97 0 0 29 55 52 1 12 9 37 218 10 29 44 38 30 7 7 29 12 4 30 40 11 98 0 0 30 1 53 1 12 15 37 219 10 29 50 39 30 13 9 29 18 3 30 46 14 99 0 0 30 8 12 1 12 21 36 220 11 29 56 58 30 19 28 29 24 21 30 52 35 100 0 0 30 14 50 1 12 27 35 221 12 30 3 35 30 26 7 29 30 58 30 59 15 101 0 0 30 21 46 1 12 33 35 222 13 30 10 31 30 33 3 29 37 52 31 6 12 102 0 0 30 28 59 1 12 38 34 223 13 30 17 44 30 40 17 29 45 4 31 13 28 103 0 0 30 36 31 1 12 44 33 224 14 30 25 15 30 47 49 29 52 33 31 21 1 104 0 0 30 44 20 1 12 49 33 225 15 30 33 3 30 55 38 30 0 20 31 28 52 105 0 0 30 52 26 1 12 55 32 225 16 30 41 9 31 3 45 30 8 24 31 37 0 106 0 0 31 0 49 1 13 0 31 226 16 30 49 31 31 12 8 30 16 45 31 45 25 107 0 0 31 9 29 1 13 5 30 227 17 30 58 11 31 20 49 30 25 23 31 54 7 108 0 0 31 18 25 1 13 10 30 228 18 31 7 7 31 29 46 30 34 18 32 3 6 109 0 0 31 27 38 1 13 15 29 229 18 31 16 19 31 38 59 30 43 28 32 12 21 110 0 0 31 37 7 1 13 20 28 229 19 31 25 47 31 48 29 30 52 55 32 21 52 111 0 0 31 46 52 1 13 24 27 230 19 31 35 31 31 58 14 31 2 37 32 31 39 112 0 0 31 56 52 1 13 29 27 231 20 31 45 31 32 8 15 31 12 35 32 41 41 113 0 0 32 7 7 1 13 33 26 232 21 31 55 46 32 18 31 31 22 49 32 51 59 114 0 0 32 17 38 1 13 38 25 232 21 32 6 16 32 29 2 31 33 17 33 2 33 115 0 0 32 28 23 1 13 42 24 233 22 32 17 1 32 39 48 31 44 0 33 13 20 116 0 0 32 39 23 1 13 46 23 234 22 32 28 0 32 50 49 31 54 57 33 24 23 117 0 0 32 50 37 1 13 50 23 234 23 32 39 13 33 2 3 32 6 8 33 35 39 118 0 0 33 2 5 1 13 53 22 235 24 32 50 40 33 13 31 32 17 34 33 47 9 119 0 0 33 13 46 1 13 57 21 236 24 33 2 21 33 25 13 32 29 12 33 58 53 120 0 0 33 25 41 1 14 1 20 237 25 33 14 15 33 37 9 32 41 4 34 10 50 121 0 0 33 37 48 1 14 4 19 237 25 33 26 21 33 49 17 32 53 9 34 23 0 122 0 0 33 50 8 1 14 7 19 238 25 33 38 41 34 1 37 33 5 27 34 35 23 123 0 0 34 2 40 1 14 10 18 238 26 33 51 12 34 14 10 33 17 56 34 47 58 124 0 0 34 15 24 1 14 13 17 239 26 34 3 56 34 26 55 33 30 38 35 0 45 125 0 0 34 28 20 1 14 16 16 240 27 34 16 51 34 39 51 33 43 31 35 13 43 126 0 0 34 41 27 1 14 18 15 240 27 34 29 57 34 52 59 33 56 35 35 26 52 127 0 0 34 54 44 1 14 21 14 241 28 34 43 14 35 6 17 34 9 50 35 40 13 128 0 0 35 8 13 1 14 23 14 242 28 34 56 41 35 19 46 34 23 16 35 53 44 129 0 0 35 21 51 1 14 25 13 242 28 35 10 19 35 33 25 34 36 52 36 7 25 130 0 0 35 35 39 1 14 28 12 243 29 35 24 7 35 47 14 34 50 37 36 21 16 131 0 0 35 49 37 1 14 29 11 244 29 35 38 3 36 1 12 35 4 32 36 35 16 132 0 0 36 3 43 1 14 31 10 244 29 35 52 9 36 15 19 35 18 36 36 49 25 133 0 0 36 17 58 1 14 33 9 245 30 36 6 24 36 29 35 35 32 49 37 3 43 134 0 0 36 32 22 1 14 34 9 245 30 36 20 47 36 43 59 35 47 10 37 18 9 135 0 0 36 46 53 1 14 36 8 246 30 36 35 18 36 58 31 36 1 39 37 32 43 136 0 0 37 1 32 1 14 37 7 247 30 36 49 56 37 13 11 36 16 16 37 47 24 137 0 0 37 16 18 1 14 38 6 247 31 37 4 41 37 27 58 36 30 59 38 2 13 138 0 0 37 31 11 1 14 39 5 248 31 37 19 34 37 42 51 36 45 50 38 17 8 139 0 0 37 46 10 1 14 40 4 248 31 37 34 32 37 57 51 .. .. .. 38 32 10 140 0 0 38 1 16 1 14 40 4 249 31 37 49 37 38 12 57 .. .. .. 38 47 17 141 0 0 38 16 26 1 14 41 3 250 31 38 4 47 38 28 8 .. .. .. 39 2 30 142 0 0 38 31 42 1 14 41 2 250 31 38 20 2 38 43 24 .. .. .. 39 17 48 143 0 0 38 47 3 1 14 41 1 251 32 38 35 23 38 58 46 .. .. .. 39 33 11 144 0 0 39 2 28 1 14 42 0 252 32 38 50 47 39 14 11 .. .. .. 39 48 39 Data for the target star ------------------------ * name: TYC 5576-00528-1 * constellation : Libra * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 14 36 41.5106 DE: -14 04 25.199 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .023, .020 ) * V mag [mag]: 10.1 * B mag [mag]: 10.8 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (572) Rebekka approx. diameter [km]: 30 approx. diameter ["]: .016 distance from Earth [AU]: 2.52300 * orbital information: orbit source: Preston date of fit: 2007 Nov 02 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 701 number of rejected observations: 55 time covered by the observations: 1905 Sep 19 - 2007 Apr 11 1 sigma uncertainty ellipse (major, minor, PA): 0.017, 0.012, 97° remarks: * orbital elements for (572) Rebekka : Mean anomaly = 171.70071119 deg Arg. of pericenter = 191.98535732 deg Long. of node = 194.70906089 deg Inclination = 10.56984323 deg Eccentricity = 0.15776219 Semimajor axis = 2.39975463 AU Perihelion dist = 2.02116409 AU Mag: H = 10.84, G = 0.15 Epoch of elements : MJD 54501.04800000 TDT (2008 Feb 05.048) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Feb 05 572 Rebekka 1h 9.0m UT 10.1 14 36 41.511-14 4 25.20TYC 5576-00528-1 10.8 16.1 30 2.2 2.523 1.821 -1.35 67.356 -14.073 166.24 -16.16 1.1495 .03563 .68412 7.60251 -0.38807 -0.00565 0.00182 2000 171.4228582008 2 4.00000191.985357194.709061 10.5698430.157762192.399754632.0211640910.95 0.15 RATE 2.6512690 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.029 0.023 92.4 2.460 0.024 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Jan 30, 22:29 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org