IOTA/IOTA-ES occultation update for (0) 2004 DM71 / UCAC2 33047624 event on 2008 Mar 30, 21:35 UT Visible from India, Russia, Europe Summary ------- On 2008 Mar 30 UT, the 122 km diameter asteroid (0) 2004 DM71 will occult a 13.0 mag star in the constellation Virgo for observers along a path across India, Russia, Europe. In the case of an occultation, the combined light of the asteroid and the star will drop by 10.6 mag to 23.6 mag (the magnitude of the asteroid) for at most 5.0 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: 0 * date and approx. time of event: 2008 Mar 30, 21:45 - 2008 Mar 30, 21:51 UT * midpoint of event [JD]: 2454556.408675 * magnitude of target star: 13.0 * magnitude drop [mag]: 10.6 * estimated maximum duration [s]: 5.0 * Moon: 40 % sunlit, 116° distance * Sun: 165° distance * rough path description: India, Russia, Europe The occultation path -------------------- * approximate projected width [km]: 169 * 1 sigma uncertainty interval [path widths]: +/- 652.35 * 1 sigma uncertainty interval [seconds]: +/- 74264.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 54.282 +/- 21.931) * 1 sigma uncertainty ellipse (major, minor, PA): ( 58.545", 2.460", 112° ) * approx speed of asteroid's shadow [km/s]: 24.5208 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC2 33047624 by 0 2004 DM71 on 2008 Mar 30 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 - 46 0 0 66 53 9 21 51 28 12 110 0 67 39 38 66 7 16 .. .. .. .. .. .. - 45 0 0 66 49 42 21 51 27 13 111 -1 67 36 15 66 3 45 .. .. .. .. .. .. - 44 0 0 66 46 1 21 51 27 13 112 -1 67 32 38 66 0 0 .. .. .. .. .. .. - 43 0 0 66 42 6 21 51 26 14 113 -2 67 28 48 65 56 1 .. .. .. .. .. .. - 42 0 0 66 37 58 21 51 25 14 114 -2 67 24 44 65 51 48 .. .. .. .. .. .. - 41 0 0 66 33 34 21 51 25 14 115 -2 67 20 26 65 47 20 .. .. .. .. .. .. - 40 0 0 66 28 57 21 51 24 15 116 -3 67 15 54 65 42 38 .. .. .. .. .. .. - 39 0 0 66 24 5 21 51 23 15 117 -3 67 11 7 65 37 41 .. .. .. .. .. .. - 38 0 0 66 18 59 21 51 23 16 118 -4 67 6 6 65 32 29 .. .. .. .. .. .. - 37 0 0 66 13 38 21 51 22 16 119 -4 67 0 51 65 27 2 .. .. .. .. .. .. - 36 0 0 66 8 2 21 51 21 16 120 -4 66 55 21 65 21 20 .. .. .. .. .. .. - 35 0 0 66 2 11 21 51 21 17 121 -5 66 49 36 65 15 23 .. .. .. .. .. .. - 34 0 0 65 56 5 21 51 20 17 122 -5 66 43 37 65 9 11 .. .. .. .. .. .. - 33 0 0 65 49 44 21 51 19 18 122 -6 66 37 23 65 2 44 .. .. .. .. .. .. - 32 0 0 65 43 7 21 51 18 18 123 -6 66 30 53 64 56 1 .. .. .. .. .. .. - 31 0 0 65 36 15 21 51 17 18 124 -7 66 24 8 64 49 2 .. .. .. .. .. .. - 30 0 0 65 29 8 21 51 16 19 125 -7 66 17 8 64 41 47 .. .. .. .. .. .. - 29 0 0 65 21 44 21 51 16 19 126 -7 66 9 52 64 34 17 .. .. .. .. .. .. - 28 0 0 65 14 5 21 51 15 20 127 -8 66 2 20 64 26 30 .. .. .. .. .. .. - 27 0 0 65 6 10 21 51 14 20 128 -8 65 54 33 64 18 27 .. .. .. .. .. .. - 26 0 0 64 57 58 21 51 13 20 129 -9 65 46 29 64 10 8 .. .. .. .. .. .. - 25 0 0 64 49 30 21 51 12 21 130 -9 65 38 9 64 1 32 .. .. .. .. .. .. - 24 0 0 64 40 45 21 51 11 21 131 -10 65 29 33 63 52 39 .. .. .. .. .. .. - 23 0 0 64 31 44 21 51 10 22 132 -10 65 20 40 63 43 30 .. .. .. .. .. .. - 22 0 0 64 22 25 21 51 9 22 133 -10 65 11 30 63 34 3 .. .. .. .. .. .. - 21 0 0 64 12 50 21 51 7 23 134 -11 65 2 3 63 24 19 .. .. .. .. .. .. - 20 0 0 64 2 57 21 51 6 23 135 -11 64 52 19 63 14 18 .. .. .. .. .. .. - 19 0 0 63 52 47 21 51 5 23 136 -12 64 42 18 63 3 59 .. .. .. .. .. .. - 18 0 0 63 42 19 21 51 4 24 137 -12 64 31 59 62 53 23 .. .. .. .. .. .. - 17 0 0 63 31 33 21 51 3 24 138 -13 64 21 23 62 42 28 .. .. .. .. .. .. - 16 0 0 63 20 30 21 51 2 25 139 -13 64 10 29 62 31 15 .. .. .. .. .. .. - 15 0 0 63 9 8 21 51 0 25 140 -14 63 59 16 62 19 45 .. .. .. .. .. .. - 14 0 0 62 57 28 21 50 59 26 141 -14 63 47 45 62 7 55 .. .. .. .. .. .. - 13 0 0 62 45 29 21 50 58 26 142 -15 63 35 56 61 55 48 .. .. .. .. .. .. - 12 0 0 62 33 12 21 50 56 26 143 -15 63 23 49 61 43 21 .. .. .. .. .. .. - 11 0 0 62 20 36 21 50 55 27 144 -16 63 11 22 61 30 36 .. .. .. .. .. .. - 10 0 0 62 7 41 21 50 53 27 145 -16 62 58 37 61 17 32 .. .. .. .. .. .. - 9 0 0 61 54 26 21 50 52 28 146 -16 62 45 32 61 4 8 .. .. .. .. .. .. - 8 0 0 61 40 53 21 50 50 28 147 -17 62 32 8 60 50 26 .. .. .. .. .. .. - 7 0 0 61 27 0 21 50 49 29 148 -17 62 18 25 60 36 23 .. .. .. .. .. .. - 6 0 0 61 12 47 21 50 47 29 149 -18 62 4 22 60 22 2 .. .. .. .. .. .. - 5 0 0 60 58 15 21 50 45 30 150 -18 61 49 59 60 7 20 .. .. .. .. .. .. - 4 0 0 60 43 23 21 50 44 30 151 -19 61 35 17 59 52 19 .. .. .. .. .. .. - 3 0 0 60 28 11 21 50 42 30 152 -19 61 20 14 59 36 58 .. .. .. .. .. .. - 2 0 0 60 12 39 21 50 40 31 153 -20 61 4 52 59 21 17 .. .. .. .. .. .. - 1 0 0 59 56 47 21 50 38 31 154 -21 60 49 9 59 5 17 .. .. .. .. .. .. 0 0 0 59 40 35 21 50 36 32 155 -21 60 33 6 58 48 56 .. .. .. .. .. .. 1 0 0 59 24 2 21 50 34 32 156 -22 60 16 43 58 32 14 .. .. .. .. .. .. 2 0 0 59 7 10 21 50 32 33 157 -22 59 59 59 58 15 13 .. .. .. .. .. .. 3 0 0 58 49 56 21 50 30 33 159 -23 59 42 54 57 57 52 .. .. .. .. .. .. 4 0 0 58 32 23 21 50 28 34 160 -23 59 25 29 57 40 10 .. .. .. .. .. .. 5 0 0 58 14 29 21 50 26 34 161 -24 59 7 44 57 22 8 .. .. .. .. .. .. 6 0 0 57 56 15 21 50 24 35 162 -24 58 49 38 57 3 46 .. .. .. .. .. .. 7 0 0 57 37 40 21 50 22 35 163 -25 58 31 11 56 45 4 .. .. .. .. .. .. 8 0 0 57 18 45 21 50 20 35 164 -25 58 12 24 56 26 2 .. .. .. .. .. .. 9 0 0 56 59 30 21 50 17 36 165 -26 57 53 17 56 6 39 .. .. .. .. .. .. 10 0 0 56 39 55 21 50 15 36 166 -26 57 33 49 55 46 57 .. .. .. .. .. .. 11 0 0 56 20 0 21 50 13 37 168 -27 57 14 0 55 26 55 .. .. .. .. .. .. 12 0 0 55 59 44 21 50 10 37 169 -27 56 53 52 55 6 34 .. .. .. .. .. .. 13 0 0 55 39 9 21 50 8 38 170 -28 56 33 23 54 45 53 .. .. .. .. .. .. 14 0 0 55 18 15 21 50 5 38 171 -28 56 12 35 54 24 52 .. .. .. .. .. .. 15 0 0 54 57 1 21 50 2 39 172 -29 55 51 27 54 3 33 .. .. .. .. .. .. 16 0 0 54 35 28 21 50 0 39 174 -30 55 29 59 53 41 55 .. .. .. .. .. .. 17 0 0 54 13 36 21 49 57 39 175 -30 55 8 13 53 19 58 .. .. .. .. .. .. 18 0 0 53 51 26 21 49 54 40 176 -31 54 46 7 52 57 44 .. .. .. .. .. .. 19 0 0 53 28 57 21 49 51 40 177 -31 54 23 42 52 35 11 .. .. .. .. .. .. 20 0 0 53 6 10 21 49 49 41 179 -32 54 1 0 52 12 20 .. .. .. .. .. .. 21 0 0 52 43 6 21 49 46 41 180 -32 53 37 59 51 49 12 .. .. .. .. .. .. 22 0 0 52 19 44 21 49 43 41 181 -33 53 14 40 51 25 48 .. .. .. .. .. .. 23 0 0 51 56 6 21 49 40 42 183 -33 52 51 5 51 2 7 .. .. .. .. .. .. 24 0 0 51 32 11 21 49 37 42 184 -34 52 27 12 50 38 10 .. .. .. .. .. .. 25 0 0 51 8 0 21 49 33 43 185 -34 52 3 3 50 13 57 .. .. .. .. .. .. 26 0 0 50 43 34 21 49 30 43 187 -35 51 38 39 49 49 29 .. .. .. .. .. .. 27 0 0 50 18 53 21 49 27 43 188 -35 51 13 59 49 24 47 .. .. .. .. .. .. 28 0 0 49 53 57 21 49 24 43 190 -36 50 49 4 48 59 51 .. .. .. .. .. .. 29 0 0 49 28 48 21 49 20 44 191 -36 50 23 54 48 34 41 .. .. .. .. .. .. 30 0 0 49 3 25 21 49 17 44 192 -37 49 58 32 48 9 19 .. .. .. .. .. .. 31 0 0 48 37 50 21 49 14 44 194 -37 49 32 56 47 43 44 .. .. .. .. .. .. 32 0 0 48 12 2 21 49 10 45 195 -38 49 7 7 47 17 57 .. .. .. .. .. .. 33 0 0 47 46 4 21 49 7 45 197 -38 48 41 7 46 52 0 .. .. .. .. .. .. 34 0 0 47 19 54 21 49 3 45 198 -39 48 14 56 46 25 52 .. .. .. .. .. .. 35 0 0 46 53 35 21 48 59 45 200 -39 47 48 34 45 59 35 .. .. .. .. .. .. 36 0 0 46 27 6 21 48 56 45 201 -39 47 22 3 45 33 9 .. .. .. .. .. .. 37 0 0 46 0 29 21 48 52 46 203 -40 46 55 23 45 6 35 .. .. .. .. .. .. 38 0 0 45 33 44 21 48 49 46 204 -40 46 28 34 44 39 53 .. .. .. .. .. .. 39 0 0 45 6 52 21 48 45 46 206 -41 46 1 39 44 13 5 .. .. .. .. .. .. 40 0 0 44 39 54 21 48 41 46 208 -41 45 34 36 43 46 11 .. .. .. .. .. .. 41 0 0 44 12 51 21 48 37 46 209 -41 45 7 28 43 19 12 .. .. .. .. .. .. 42 0 0 43 45 43 21 48 33 46 211 -42 44 40 15 42 52 8 .. .. .. .. .. .. 43 0 0 43 18 31 21 48 30 46 212 -42 44 12 58 42 25 1 .. .. .. .. .. .. 44 0 0 42 51 16 21 48 26 46 214 -42 43 45 37 41 57 52 .. .. .. .. .. .. 45 0 0 42 23 59 21 48 22 46 215 -42 43 18 14 41 30 40 .. .. .. .. .. .. 46 0 0 41 56 40 21 48 18 46 217 -43 42 50 50 41 3 28 .. .. .. .. .. .. 47 0 0 41 29 21 21 48 14 46 218 -43 42 23 24 40 36 15 .. .. .. .. .. .. 48 0 0 41 2 3 21 48 10 46 220 -43 41 55 59 40 9 3 .. .. .. .. .. .. 49 0 0 40 34 46 21 48 6 46 221 -43 41 28 35 39 41 53 .. .. .. .. .. .. 50 0 0 40 7 31 21 48 2 45 223 -43 41 1 12 39 14 44 .. .. .. .. .. .. 51 0 0 39 40 19 21 47 58 45 224 -44 40 33 53 38 47 39 .. .. .. .. .. .. 52 0 0 39 13 10 21 47 54 45 226 -44 40 6 37 38 20 39 .. .. .. .. .. .. 53 0 0 38 46 7 21 47 50 45 227 -44 39 39 25 37 53 42 .. .. .. .. .. .. 54 0 0 38 19 8 21 47 46 44 229 -44 39 12 19 37 26 52 .. .. .. .. .. .. 55 0 0 37 52 17 21 47 42 44 230 -44 38 45 18 37 0 8 .. .. .. .. .. .. 56 0 0 37 25 32 21 47 39 44 232 -44 38 18 25 36 33 31 .. .. .. .. .. .. 57 0 0 36 58 55 21 47 35 44 233 -44 37 51 40 36 7 3 .. .. .. .. .. .. 58 0 0 36 32 27 21 47 31 43 234 -44 37 25 3 35 40 43 .. .. .. .. .. .. 59 0 0 36 6 9 21 47 27 43 236 -44 36 58 36 35 14 34 .. .. .. .. .. .. 60 0 0 35 40 1 21 47 23 42 237 -43 36 32 19 34 48 34 .. .. .. .. .. .. 61 0 0 35 14 4 21 47 19 42 238 -43 36 6 13 34 22 46 .. .. .. .. .. .. 62 0 0 34 48 20 21 47 15 41 240 -43 35 40 19 33 57 10 .. .. .. .. .. .. 63 0 0 34 22 48 21 47 11 41 241 -43 35 14 38 33 31 47 .. .. .. .. .. .. 64 0 0 33 57 29 21 47 8 40 242 -43 34 49 10 33 6 37 .. .. .. .. .. .. 65 0 0 33 32 24 21 47 4 40 243 -42 34 23 56 32 41 42 .. .. .. .. .. .. 66 0 0 33 7 35 21 47 0 39 244 -42 33 58 57 32 17 1 .. .. .. .. .. .. 67 0 0 32 43 1 21 46 57 39 245 -42 33 34 14 31 52 36 .. .. .. .. .. .. 68 0 0 32 18 43 21 46 53 38 247 -42 33 9 47 31 28 27 .. .. .. .. .. .. 69 0 0 31 54 43 21 46 49 38 248 -41 32 45 37 31 4 36 .. .. .. .. .. .. 70 0 0 31 31 0 21 46 46 37 249 -41 32 21 45 30 41 1 .. .. .. .. .. .. 71 0 0 31 7 35 21 46 42 36 250 -40 31 58 11 30 17 45 .. .. .. .. .. .. 72 0 0 30 44 29 21 46 39 36 251 -40 31 34 55 29 54 48 .. .. .. .. .. .. 73 0 0 30 21 43 21 46 36 35 252 -40 31 12 0 29 32 11 .. .. .. .. .. .. 74 0 0 29 59 16 21 46 32 34 253 -39 30 49 24 29 9 53 .. .. .. .. .. .. 75 0 0 29 37 10 21 46 29 33 253 -39 30 27 10 28 47 56 .. .. .. .. .. .. 76 0 0 29 15 26 21 46 26 33 254 -38 30 5 16 28 26 20 .. .. .. .. .. .. 77 0 0 28 54 3 21 46 23 32 255 -38 29 43 44 28 5 6 .. .. .. .. .. .. 78 0 0 28 33 3 21 46 19 31 256 -37 29 22 35 27 44 14 .. .. .. .. .. .. 79 0 0 28 12 25 21 46 16 31 257 -36 29 1 49 27 23 44 .. .. .. .. .. .. 80 0 0 27 52 10 21 46 13 30 257 -36 28 41 26 27 3 38 .. .. .. .. .. .. 81 0 0 27 32 20 21 46 11 29 258 -35 28 21 27 26 43 55 .. .. .. .. .. .. 82 0 0 27 12 53 21 46 8 28 259 -35 28 1 52 26 24 36 .. .. .. .. .. .. 83 0 0 26 53 51 21 46 5 27 260 -34 27 42 42 26 5 42 .. .. .. .. .. .. 84 0 0 26 35 14 21 46 2 27 260 -33 27 23 57 25 47 13 .. .. .. .. .. .. 85 0 0 26 17 3 21 46 0 26 261 -33 27 5 37 25 29 9 .. .. .. .. .. .. 86 0 0 25 59 17 21 45 57 25 262 -32 26 47 44 25 11 30 .. .. .. .. .. .. 87 0 0 25 41 58 21 45 55 24 262 -31 26 30 17 24 54 18 .. .. .. .. .. .. 88 0 0 25 25 5 21 45 52 23 263 -30 26 13 17 24 37 32 .. .. .. .. .. .. 89 0 0 25 8 39 21 45 50 22 263 -30 25 56 44 24 21 13 .. .. .. .. .. .. 90 0 0 24 52 40 21 45 48 21 264 -29 25 40 39 24 5 21 .. .. .. .. .. .. 91 0 0 24 37 9 21 45 46 21 264 -28 25 25 1 23 49 57 .. .. .. .. .. .. 92 0 0 24 22 6 21 45 44 20 265 -27 25 9 51 23 35 0 .. .. .. .. .. .. 93 0 0 24 7 31 21 45 42 19 266 -27 24 55 10 23 20 31 .. .. .. .. .. .. 94 0 0 23 53 25 21 45 40 18 266 -26 24 40 57 23 6 31 .. .. .. .. .. .. 95 0 0 23 39 47 21 45 38 17 267 -25 24 27 14 22 52 59 .. .. .. .. .. .. 96 0 0 23 26 39 21 45 36 16 267 -24 24 14 0 22 39 56 .. .. .. .. .. .. 97 0 0 23 14 0 21 45 35 15 267 -23 24 1 15 22 27 22 .. .. .. .. .. .. 98 0 0 23 1 50 21 45 33 14 268 -23 23 49 0 22 15 17 .. .. .. .. .. .. 99 0 0 22 50 10 21 45 32 13 268 -22 23 37 14 22 3 42 .. .. .. .. .. .. 100 0 0 22 39 0 21 45 31 13 269 -21 23 25 59 21 52 37 .. .. .. .. .. .. 101 0 0 22 28 20 21 45 29 12 269 -20 23 15 15 21 42 1 .. .. .. .. .. .. 102 0 0 22 18 10 21 45 28 11 270 -19 23 5 1 21 31 56 .. .. .. .. .. .. 103 0 0 22 8 31 21 45 27 10 270 -18 22 55 18 21 22 21 .. .. .. .. .. .. 104 0 0 21 59 23 21 45 26 9 270 -17 22 46 5 21 13 16 .. .. .. .. .. .. 105 0 0 21 50 45 21 45 25 8 271 -17 22 37 24 21 4 43 .. .. .. .. .. .. 106 0 0 21 42 39 21 45 25 7 271 -16 22 29 14 20 56 40 .. .. .. .. .. .. 107 0 0 21 35 4 21 45 24 6 272 -15 22 21 36 20 49 8 .. .. .. .. .. .. 108 0 0 21 28 0 21 45 23 5 272 -14 22 14 29 20 42 7 .. .. .. .. .. .. 109 0 0 21 21 28 21 45 23 4 272 -13 22 7 54 20 35 37 .. .. .. .. .. .. 110 0 0 21 15 27 21 45 22 3 273 -12 22 1 51 20 29 38 .. .. .. .. .. .. 111 0 0 21 9 58 21 45 22 2 273 -11 21 56 19 20 24 12 .. .. .. .. .. .. 112 0 0 21 5 0 21 45 22 1 273 -10 21 51 20 20 19 16 .. .. .. .. .. .. 113 0 0 21 0 35 21 45 22 0 274 -9 21 46 53 20 14 53 .. .. .. .. .. .. Uncertainty in time = +/- 74453 secs [Prediction of 2008 Feb 15.0] Data for the target star ------------------------ * name: UCAC2 33047624 * constellation : Virgo * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 11 47 55.5998 DE: +03 43 29.829 * position source: Pos: UCAC2, pm: UCAC2, pi: * standard error: RA,DE ["]: ( .041, .026 ) * V mag [mag]: 13.0 * B mag [mag]: 0.0 * Apparent position with proper motion RA(deg): 177.0950924897 DE(deg): 3.6760422120 * Equation of equinoxes (radians) : 0.000041498915044 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (0) 2004 DM71 approx. diameter [km]: 122 approx. diameter ["]: .004 distance from Earth [AU]: 42.99500 * orbital information: orbit source: Preston date of fit: 2007 May 05 source of used astrometry: MPC (via Astdys) number of used observations: 9 number of rejected observations: 0 time covered by the observations: 2004 Feb 27 - 2005 Jun 07 1 sigma uncertainty ellipse (major, minor, PA): 58.545, 2.460, 112° remarks: * orbital elements for (0) 2004 DM71 : Mean anomaly = 133.12860119 deg Arg. of pericenter = 294.98083684 deg Long. of node = 105.67917130 deg Inclination = 2.30272855 deg Eccentricity = 0.02826715 Semimajor axis = 43.11098241 AU Perihelion dist = 41.89235799 AU Mag: H = 7.16, G = 0.15 Epoch of elements : MJD 54555.90000000 TDT (2008 Mar 30.900) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Mar 30 0 2004 DM71 21h 48.5m UT 13.0 11 47 55.600 3 43 29.83UCAC2 33047624 0.0 23.6 122 5.0 42.995 -0.174 1.10 21.2091 3.725 -146.06 4.18 21.8082 0.26941 0.63750-12.74691 5.39153 0.00129 -0.00080 2000 133.1080582008 325.00000294.980837105.679171 2.3027290.0282671543.110982441.8923578 7.2 5.00.15 RATE 0.0348190 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 58.545 2.460 112653.35 2.609 0 54511.5020080330_047624 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Feb 15, 00:24 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org