IOTA/IOTA-ES occultation update for (1322) Coppernicus / TYC 7185-00317-1 event on 2009 Apr 02, 17:29 UT Visible from Summary ------- On 2009 Apr 02 UT, the 12 km diameter asteroid (1322) Coppernicus will occult a 10.2 mag star in the constellation Antlia for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.2 mag to 16.4 mag (the magnitude of the asteroid) for at most 1.0 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: 11 * date and approx. time of event: 2009 Apr 02, 17:21 - 2009 Apr 02, 17:37 UT * magnitude of target star: 10.2 * magnitude drop [mag]: 6.2 * estimated maximum duration [s]: 1.0 * Moon: 51 % sunlit, 75° distance * Sun: 140° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 14 * 1 sigma uncertainty interval [path widths]: +/- 6.12 * 1 sigma uncertainty interval [seconds]: +/- 9.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .101 +/- .078) * 1 sigma uncertainty ellipse (major, minor, PA): ( .113", .061", 121° ) * approx speed of asteroid's shadow [km/s]: 11.6338 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 7185-00317-1 by 1322 Coppernicus on 2009 Apr 2 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 45 45 25 58 0 0 17 37 44 0 164 -15 45 52 37 45 38 12 47 20 52 ... .. .. 46 17 4 57 0 0 17 37 43 1 165 -16 46 24 5 46 10 3 47 50 2 ... .. .. 46 48 8 56 0 0 17 37 43 2 165 -17 46 54 59 46 41 18 48 18 48 ... .. .. 47 18 42 55 0 0 17 37 43 3 166 -18 47 25 23 47 12 2 48 47 11 ... .. .. 47 48 49 54 0 0 17 37 42 4 166 -18 47 55 21 47 42 18 49 15 16 ... .. .. 48 18 33 53 0 0 17 37 41 5 166 -19 48 24 56 48 12 11 49 43 6 46 54 13 48 47 56 52 0 0 17 37 40 6 167 -20 48 54 11 48 41 42 50 10 41 47 25 25 49 17 2 51 0 0 17 37 38 8 167 -21 49 23 8 49 10 55 50 38 6 47 56 12 49 45 52 50 0 0 17 37 37 9 167 -22 49 51 51 49 39 52 51 5 21 48 26 37 50 14 29 49 0 0 17 37 35 10 168 -23 50 20 22 50 8 36 51 32 28 48 56 44 50 42 55 48 0 0 17 37 33 11 168 -24 50 48 42 50 37 9 51 59 30 49 26 35 51 11 13 47 0 0 17 37 31 12 169 -24 51 16 53 51 5 32 52 26 28 49 56 12 51 39 23 46 0 0 17 37 29 13 169 -25 51 44 58 51 33 48 52 53 24 50 25 38 52 7 28 45 0 0 17 37 26 14 169 -26 52 12 58 52 1 59 53 20 18 50 54 54 52 35 29 44 0 0 17 37 23 15 170 -27 52 40 54 52 30 5 53 47 13 51 24 2 53 3 28 43 0 0 17 37 20 16 170 -28 53 8 48 52 58 8 54 14 8 51 53 4 53 31 26 42 0 0 17 37 17 17 170 -29 53 36 41 53 26 11 54 41 7 52 22 1 53 59 24 41 0 0 17 37 14 18 171 -30 54 4 35 53 54 13 55 8 9 52 50 56 54 27 24 40 0 0 17 37 10 19 171 -31 54 32 31 54 22 17 55 35 16 53 19 49 54 55 27 39 0 0 17 37 7 20 171 -31 55 0 30 54 50 24 56 2 29 53 48 42 55 23 34 38 0 0 17 37 3 21 172 -32 55 28 34 55 18 35 56 29 50 54 17 36 55 51 46 37 0 0 17 36 58 22 172 -33 55 56 43 55 46 50 56 57 17 54 46 33 56 20 5 36 0 0 17 36 54 23 172 -34 56 24 58 56 15 12 57 24 54 55 15 33 56 48 31 35 0 0 17 36 49 24 173 -35 56 53 21 56 43 41 57 52 41 55 44 39 57 17 5 34 0 0 17 36 45 25 173 -36 57 21 53 57 12 18 58 20 39 56 13 50 57 45 49 33 0 0 17 36 40 26 174 -37 57 50 34 57 41 4 58 48 48 56 43 9 58 14 43 32 0 0 17 36 35 27 174 -38 58 19 26 58 10 1 59 17 10 57 12 35 58 43 49 31 0 0 17 36 29 28 174 -39 58 48 29 58 39 9 59 45 46 57 42 11 59 13 7 30 0 0 17 36 24 29 175 -40 59 17 45 59 8 29 60 14 36 58 11 58 59 42 39 29 0 0 17 36 18 30 175 -41 59 47 15 59 38 3 60 43 41 58 41 56 60 12 25 28 0 0 17 36 12 31 176 -42 60 16 59 60 7 51 61 13 3 59 12 6 60 42 26 27 0 0 17 36 6 32 176 -43 60 46 59 60 37 54 61 42 42 59 42 30 61 12 44 26 0 0 17 35 59 33 177 -44 61 17 15 61 8 13 62 12 40 60 13 9 61 43 20 25 0 0 17 35 53 34 177 -44 61 47 49 61 38 50 62 42 57 60 44 3 62 14 13 24 0 0 17 35 46 35 177 -45 62 18 41 62 9 45 63 13 34 61 15 14 62 45 27 23 0 0 17 35 39 36 178 -46 62 49 54 62 41 0 63 44 32 61 46 43 63 17 1 22 0 0 17 35 32 37 178 -47 63 21 27 63 12 35 64 15 52 62 18 30 63 48 56 21 0 0 17 35 25 38 179 -48 63 53 21 63 44 31 64 47 36 62 50 38 64 21 15 20 0 0 17 35 17 40 180 -49 64 25 39 64 16 50 65 19 45 63 23 7 64 53 57 19 0 0 17 35 10 40 180 -50 64 58 21 64 49 33 65 52 19 63 55 58 65 27 4 18 0 0 17 35 2 41 181 -51 65 31 28 65 22 41 66 25 20 64 29 13 66 0 38 17 0 0 17 34 54 42 181 -52 66 5 1 65 56 16 66 58 49 65 2 52 66 34 40 16 0 0 17 34 46 43 182 -53 66 39 2 66 30 18 67 32 47 65 36 57 67 9 10 15 0 0 17 34 37 44 183 -54 67 13 33 67 4 48 68 7 16 66 11 30 67 44 11 14 0 0 17 34 29 45 183 -55 67 48 34 67 39 49 68 42 17 66 46 32 68 19 44 13 0 0 17 34 20 46 184 -56 68 24 7 68 15 22 69 17 52 67 22 4 68 55 51 12 0 0 17 34 11 47 185 -57 69 0 13 68 51 28 69 54 2 67 58 7 69 32 32 11 0 0 17 34 2 48 186 -58 69 36 55 69 28 9 70 30 48 68 34 44 70 9 50 10 0 0 17 33 53 49 187 -59 70 14 13 70 5 26 71 8 13 69 11 55 70 47 46 9 0 0 17 33 43 50 188 -60 70 52 10 70 43 22 71 46 18 69 49 43 71 26 22 8 0 0 17 33 34 51 189 -61 71 30 47 71 21 57 72 25 6 70 28 10 72 5 41 7 0 0 17 33 24 52 190 -62 72 10 7 72 1 15 73 4 37 71 7 16 72 45 44 6 0 0 17 33 14 53 191 -63 72 50 11 72 41 17 73 44 55 71 47 5 73 26 34 5 0 0 17 33 4 54 192 -64 73 31 2 73 22 5 74 26 2 72 27 39 74 8 12 4 0 0 17 32 53 54 193 -65 74 12 42 74 3 42 75 8 0 73 8 59 74 50 42 3 0 0 17 32 43 55 194 -66 74 55 13 74 46 11 75 50 51 73 51 9 75 34 6 2 0 0 17 32 32 56 196 -67 75 38 39 75 29 33 76 34 39 74 34 10 76 18 27 1 0 0 17 32 21 57 197 -68 76 23 2 76 13 52 77 19 27 75 18 6 77 3 48 0 0 0 17 32 10 57 199 -69 77 8 25 76 59 11 78 5 17 76 2 59 77 50 12 - 1 0 0 17 31 59 58 200 -70 77 54 52 77 45 33 78 52 14 76 48 53 Latitude Latitude Latitude Latitude 78 0 0 - 1 12 29 17 31 57 58 201 -70 - 1 6 33 - 1 18 25 0 6 51 - 2 30 18 79 0 0 - 2 27 38 17 31 42 59 203 -71 - 2 21 48 - 2 33 27 - 1 9 47 - 3 44 2 80 0 0 - 3 40 30 17 31 28 60 205 -72 - 3 34 46 - 3 46 12 - 2 24 5 - 4 55 32 81 0 0 - 4 51 8 17 31 14 60 207 -73 - 4 45 31 - 4 56 45 - 3 36 5 - 6 4 53 82 0 0 - 5 59 35 17 31 0 61 210 -74 - 5 54 4 - 6 5 7 - 4 45 51 - 7 12 7 83 0 0 - 7 5 55 17 30 46 62 212 -75 - 7 0 29 - 7 11 21 - 5 53 25 - 8 17 16 84 0 0 - 8 10 10 17 30 33 62 214 -76 - 8 4 50 - 8 15 31 - 6 58 52 - 9 20 23 85 0 0 - 9 12 24 17 30 20 62 217 -76 - 9 7 8 - 9 17 39 - 8 2 13 -10 21 31 86 0 0 -10 12 38 17 30 7 62 219 -77 -10 7 27 -10 17 49 - 9 3 33 -11 20 43 87 0 0 -11 10 56 17 29 54 63 222 -77 -11 5 50 -11 16 2 -10 2 54 -12 18 2 88 0 0 -12 7 21 17 29 41 63 224 -78 -12 2 20 -12 12 23 -11 0 19 -13 13 30 89 0 0 -13 1 56 17 29 29 63 226 -78 -12 56 58 -13 6 53 -11 55 51 -14 7 10 90 0 0 -13 54 43 17 29 17 62 229 -78 -13 49 50 -13 59 36 -12 49 32 -14 59 4 91 0 0 -14 45 45 17 29 5 62 231 -78 -14 40 56 -14 50 35 -13 41 27 -15 49 15 92 0 0 -15 35 5 17 28 53 62 233 -78 -15 30 19 -15 39 51 -14 31 37 -16 37 47 93 0 0 -16 22 45 17 28 42 62 235 -78 -16 18 3 -16 27 27 -15 20 5 -17 24 40 94 0 0 -17 8 48 17 28 30 61 237 -77 -17 4 9 -17 13 26 -16 6 54 -18 9 58 95 0 0 -17 53 15 17 28 19 61 238 -77 -17 48 40 -17 57 51 -16 52 7 -18 53 43 96 0 0 -18 36 11 17 28 8 61 240 -76 -18 31 38 -18 40 43 -17 35 44 -19 35 58 97 0 0 -19 17 36 17 27 58 60 241 -76 -19 13 7 -19 22 5 -18 17 51 -20 16 43 98 0 0 -19 57 33 17 27 47 60 243 -75 -19 53 7 -20 2 0 -18 58 27 -20 56 3 99 0 0 -20 36 5 17 27 37 59 244 -75 -20 31 41 -20 40 28 -19 37 36 -21 33 58 100 0 0 -21 13 13 17 27 27 59 245 -74 -21 8 52 -21 17 34 -20 15 20 -22 10 31 101 0 0 -21 48 59 17 27 17 58 247 -73 -21 44 40 -21 53 17 -20 51 40 -22 45 44 102 0 0 -22 23 25 17 27 8 58 248 -73 -22 19 9 -22 27 41 -21 26 40 -23 19 38 103 0 0 -22 56 34 17 26 58 57 249 -72 -22 52 20 -23 0 47 -22 0 20 -23 52 16 104 0 0 -23 28 26 17 26 49 56 249 -71 -23 24 15 -23 32 37 -22 32 42 -24 23 38 105 0 0 -23 59 4 17 26 40 56 250 -70 -23 54 55 -24 3 13 -23 3 49 -24 53 48 106 0 0 -24 28 29 17 26 31 55 251 -70 -24 24 22 -24 32 36 -23 33 42 -25 22 47 107 0 0 -24 56 43 17 26 22 54 251 -69 -24 52 38 -25 0 48 -24 2 23 -25 50 35 108 0 0 -25 23 48 17 26 14 54 252 -68 -25 19 45 -25 27 51 -24 29 53 -26 17 15 109 0 0 -25 49 44 17 26 5 53 253 -67 -25 45 43 -25 53 46 -24 56 13 -26 42 48 110 0 0 -26 14 34 17 25 57 52 253 -67 -26 10 34 -26 18 34 -25 21 26 -27 7 15 111 0 0 -26 38 19 17 25 49 51 253 -66 -26 34 20 -26 42 17 -25 45 33 -27 30 38 112 0 0 -27 0 59 17 25 41 51 254 -65 -26 57 2 -27 4 55 -26 8 34 -27 52 58 113 0 0 -27 22 36 17 25 33 50 254 -64 -27 18 41 -27 26 31 -26 30 31 -28 14 16 114 0 0 -27 43 12 17 25 26 49 254 -64 -27 39 18 -27 47 5 -26 51 25 -28 34 33 115 0 0 -28 2 47 17 25 18 49 254 -63 -27 58 54 -28 6 39 -27 11 18 -28 53 50 116 0 0 -28 21 22 17 25 11 48 254 -62 -28 17 31 -28 25 13 -27 30 10 -29 12 9 117 0 0 -28 38 59 17 25 4 47 255 -61 -28 35 9 -28 42 48 -27 48 3 -29 29 30 118 0 0 -28 55 37 17 24 57 46 255 -61 -28 51 49 -28 59 26 -28 4 57 -29 45 54 119 0 0 -29 11 20 17 24 50 46 255 -60 -29 7 32 -29 15 7 -28 20 53 -30 1 22 120 0 0 -29 26 6 17 24 43 45 255 -59 -29 22 19 -29 29 52 -28 35 53 -30 15 55 121 0 0 -29 39 56 17 24 37 44 255 -58 -29 36 11 -29 43 42 -28 49 56 -30 29 34 122 0 0 -29 52 53 17 24 30 43 254 -58 -29 49 8 -29 56 37 -29 3 4 -30 42 19 123 0 0 -30 4 55 17 24 24 43 254 -57 -30 1 11 -30 8 39 -29 15 17 -30 54 11 124 0 0 -30 16 4 17 24 17 42 254 -56 -30 12 21 -30 19 47 -29 26 36 -31 5 10 125 0 0 -30 26 20 17 24 11 41 254 -55 -30 22 38 -30 30 3 -29 37 1 -31 15 18 126 0 0 -30 35 44 17 24 5 40 254 -55 -30 32 2 -30 39 26 -29 46 33 -31 24 34 127 0 0 -30 44 17 17 23 59 39 254 -54 -30 40 35 -30 47 58 -29 55 13 -31 32 59 128 0 0 -30 51 58 17 23 54 39 254 -53 -30 48 17 -30 55 39 -30 3 1 -31 40 33 129 0 0 -30 58 48 17 23 48 38 253 -52 -30 55 7 -31 2 29 -30 9 57 -31 47 18 130 0 0 -31 4 47 17 23 42 37 253 -52 -31 1 7 -31 8 28 -30 16 1 -31 53 12 131 0 0 -31 9 57 17 23 37 36 253 -51 -31 6 17 -31 13 36 -30 21 14 -31 58 17 132 0 0 -31 14 15 17 23 32 36 253 -50 -31 10 36 -31 17 55 -30 25 37 -32 2 33 133 0 0 -31 17 44 17 23 26 35 252 -50 -31 14 5 -31 21 24 -30 29 9 -32 5 59 134 0 0 -31 20 24 17 23 21 34 252 -49 -31 16 44 -31 24 3 -30 31 50 -32 8 36 135 0 0 -31 22 13 17 23 16 33 252 -48 -31 18 34 -31 25 52 -30 33 40 -32 10 24 136 0 0 -31 23 13 17 23 11 32 251 -47 -31 19 33 -31 26 52 -30 34 40 -32 11 24 137 0 0 -31 23 23 17 23 7 32 251 -47 -31 19 43 -31 27 2 -30 34 50 -32 11 34 138 0 0 -31 22 43 17 23 2 31 251 -46 -31 19 3 -31 26 22 -30 34 9 -32 10 56 139 0 0 -31 21 13 17 22 57 30 250 -45 -31 17 34 -31 24 52 -30 32 37 -32 9 28 140 0 0 -31 18 53 17 22 53 29 250 -44 -31 15 14 -31 22 33 -30 30 14 -32 7 11 141 0 0 -31 15 43 17 22 48 28 250 -44 -31 12 3 -31 19 23 -30 27 1 -32 4 4 142 0 0 -31 11 43 17 22 44 28 249 -43 -31 8 3 -31 15 23 -30 22 56 -32 0 8 143 0 0 -31 6 52 17 22 40 27 249 -42 -31 3 11 -31 10 32 -30 17 59 -31 55 22 144 0 0 -31 1 9 17 22 36 26 248 -42 -30 57 28 -31 4 50 -30 12 11 -31 49 46 145 0 0 -30 54 35 17 22 32 25 248 -41 -30 50 54 -30 58 17 -30 5 30 -31 43 18 146 0 0 -30 47 10 17 22 28 24 248 -40 -30 43 27 -30 50 52 -29 57 56 -31 36 0 147 0 0 -30 38 51 17 22 24 24 247 -39 -30 35 8 -30 42 34 -29 49 29 -31 27 50 148 0 0 -30 29 40 17 22 21 23 247 -39 -30 25 56 -30 33 23 -29 40 8 -31 18 48 149 0 0 -30 19 35 17 22 17 22 246 -38 -30 15 50 -30 23 19 -29 29 53 -31 8 53 150 0 0 -30 8 35 17 22 14 21 246 -37 -30 4 50 -30 12 20 -29 18 42 -30 58 5 151 0 0 -29 56 40 17 22 10 20 246 -36 -29 52 54 -30 0 26 -29 6 35 -30 46 22 152 0 0 -29 43 50 17 22 7 19 245 -36 -29 40 3 -29 47 37 -28 53 31 -30 33 44 153 0 0 -29 30 3 17 22 4 18 245 -35 -29 26 15 -29 33 51 -28 39 30 -30 20 11 154 0 0 -29 15 18 17 22 1 18 244 -34 -29 11 28 -29 19 7 -28 24 30 -30 5 41 155 0 0 -28 59 34 17 21 58 17 244 -33 -28 55 44 -29 3 25 -28 8 30 -29 50 13 156 0 0 -28 42 51 17 21 55 16 243 -32 -28 38 59 -28 46 42 -27 51 30 -29 33 46 157 0 0 -28 25 7 17 21 53 15 243 -32 -28 21 13 -28 29 0 -27 33 27 -29 16 20 158 0 0 -28 6 20 17 21 50 14 242 -31 -28 2 26 -28 10 15 -27 14 21 -28 57 52 159 0 0 -27 46 31 17 21 48 13 242 -30 -27 42 34 -27 50 27 -26 54 11 -28 38 23 160 0 0 -27 25 36 17 21 46 12 242 -29 -27 21 38 -27 29 34 -26 32 55 -28 17 50 161 0 0 -27 3 36 17 21 44 11 241 -28 -26 59 36 -27 7 35 -26 10 31 -27 56 11 162 0 0 -26 40 27 17 21 42 10 241 -28 -26 36 26 -26 44 29 -25 46 59 -27 33 27 163 0 0 -26 16 10 17 21 40 9 240 -27 -26 12 7 -26 20 13 -25 22 15 -27 9 34 164 0 0 -25 50 41 17 21 38 8 240 -26 -25 46 36 -25 54 46 -24 56 20 -26 44 32 165 0 0 -25 24 0 17 21 37 7 239 -25 -25 19 52 -25 28 7 -24 29 10 -26 18 18 166 0 0 -24 56 3 17 21 36 6 239 -24 -24 51 54 -25 0 13 -24 0 44 -25 50 51 167 0 0 -24 26 50 17 21 35 5 239 -23 -24 22 39 -24 31 2 -23 30 59 -25 22 8 168 0 0 -23 56 19 17 21 34 4 238 -23 -23 52 4 -24 0 33 -22 59 54 .. .. .. 169 0 0 -23 24 25 17 21 33 3 238 -22 -23 20 8 -23 28 42 -22 27 26 .. .. .. 170 0 0 -22 51 9 17 21 32 2 237 -21 -22 46 49 -22 55 28 -21 53 33 .. .. .. 171 0 0 -22 16 26 17 21 32 1 237 -20 -22 12 4 -22 20 49 -21 18 12 .. .. .. Uncertainty in time = +/- 11 secs [Prediction of 2008 Apr 25.0] Data for the target star ------------------------ * name: TYC 7185-00317-1 * constellation : Antlia * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 10 38 39.9168 DE: -30 33 00.714 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .020, .020 ) * V mag [mag]: 10.2 * B mag [mag]: 11.3 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1322) Coppernicus approx. diameter [km]: 12 approx. diameter ["]: .011 distance from Earth [AU]: 1.54600 * orbital information: orbit source: Preston date of fit: 2008 Apr 24 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 528 number of rejected observations: 22 time covered by the observations: 1934 Jun 15 - 2008 Feb 29 1 sigma uncertainty ellipse (major, minor, PA): 0.111, 0.058, 122° remarks: * orbital elements for (1322) Coppernicus : Mean anomaly = 285.50420433 deg Arg. of pericenter = 29.63654665 deg Long. of node = 253.30054204 deg Inclination = 23.34662604 deg Eccentricity = 0.23444282 Semimajor axis = 2.42277907 AU Perihelion dist = 1.85477592 AU Mag: H = 12.34, G = 0.15 Epoch of elements : MJD 54923.72900000 TDT (2009 Apr 02.729) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Apr 2 1322 Coppernicus 17h 29.6m UT 10.2 10 38 39.917-30 33 0.71TYC 7185-00317-1 11.3 16.4 12 1.0 1.546 -1.746 29.78 66.0637 -30.558 -81.54 5.18 17.4940 0.36690 0.27826 -3.96714 5.23256 0.00300 0.00194 2000 284.5296062009 330.00000 29.636547253.300542 23.3466260.23444282 2.4227791 1.854775912.7 5.00.15 RATE 2.6135650 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.113 0.061 121 7.12 0.066 0 54581.5020090402_0317-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Apr 25, 06:16 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org