IOTA/IOTA-ES occultation update for (1372) Haremari / TYC 7337-00296-1 event on 2012 Sep 12, 11:00 UT Visible from New Zealand Summary ------- On 2012 Sep 12 UT, the 24 km diameter asteroid (1372) Haremari will occult a 9.2 mag star in the constellation Lupus for observers along a path across New Zealand. In the case of an occultation, the combined light of the asteroid and the star will drop by 7.7 mag to 16.9 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: 20 * date and approx. time of event: 2012 Sep 12, 11:00 - 2012 Sep 12, 11:03 UT * geocentric midpoint of event [JD]: 2456182.95861667 * magnitude of target star: 9.2 * magnitude drop [mag]: 7.7 * estimated maximum duration [s]: 1.0 * Moon: 15 % sunlit, 118° distance * Sun: 75° distance * rough path description: New Zealand The occultation path -------------------- * approximate projected width [km]: 31 * 1 sigma uncertainty interval [path widths]: +/- 3.32 * 1 sigma uncertainty interval [seconds]: +/- 3.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .042 +/- .033) * 1 sigma uncertainty ellipse (major, minor, PA): ( .042", .033", 95° ) * approx speed of asteroid's shadow [km/s]: 24.1128 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 7337-00296-1 by 1372 Haremari on 2012 Sep 12 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 91 0 0 -73 46 11 11 0 16 51 349 0 -73 54 44 -73 37 38 -74 52 3 -72 41 20 92 0 0 -73 41 36 11 0 17 51 348 0 -73 50 11 -73 33 1 -74 47 42 -72 36 32 93 0 0 -73 36 46 11 0 18 51 346 -1 -73 45 23 -73 28 9 -74 43 7 -72 31 27 94 0 0 -73 31 40 11 0 20 51 345 -1 -73 40 19 -73 23 2 -74 38 16 -72 26 7 95 0 0 -73 26 18 11 0 21 51 344 -1 -73 35 0 -73 17 38 -74 33 11 -72 20 29 96 0 0 -73 20 41 11 0 23 51 342 -1 -73 29 24 -73 11 58 -74 27 50 -72 14 36 97 0 0 -73 14 46 11 0 24 51 341 -2 -73 23 32 -73 6 2 -74 22 14 -72 8 24 98 0 0 -73 8 35 11 0 25 51 340 -2 -73 17 24 -72 59 48 -74 16 22 -72 1 56 99 0 0 -73 2 7 11 0 27 51 338 -2 -73 10 58 -72 53 18 -74 10 13 -71 55 9 100 0 0 -72 55 22 11 0 28 51 337 -3 -73 4 15 -72 46 29 -74 3 47 -71 48 4 101 0 0 -72 48 18 11 0 30 51 336 -3 -72 57 14 -72 39 23 -73 57 4 -71 40 41 102 0 0 -72 40 56 11 0 31 51 334 -3 -72 49 55 -72 31 59 -73 50 4 -71 32 59 103 0 0 -72 33 16 11 0 33 51 333 -3 -72 42 17 -72 24 15 -73 42 46 -71 24 57 104 0 0 -72 25 16 11 0 34 51 332 -4 -72 34 21 -72 16 13 -73 35 9 -71 16 36 105 0 0 -72 16 57 11 0 36 51 330 -4 -72 26 5 -72 7 51 -73 27 14 -71 7 54 106 0 0 -72 8 18 11 0 37 51 329 -4 -72 17 29 -71 59 8 -73 18 59 -70 58 51 107 0 0 -71 59 18 11 0 39 51 327 -5 -72 8 32 -71 50 5 -73 10 25 -70 49 27 108 0 0 -71 49 57 11 0 41 51 326 -5 -71 59 14 -71 40 41 -73 1 30 -70 39 41 109 0 0 -71 40 14 11 0 42 51 325 -5 -71 49 35 -71 30 55 -72 52 15 -70 29 33 110 0 0 -71 30 10 11 0 44 51 323 -6 -71 39 34 -71 20 47 -72 42 37 -70 19 2 111 0 0 -71 19 42 11 0 46 51 322 -6 -71 29 10 -71 10 16 -72 32 38 -70 8 8 112 0 0 -71 8 52 11 0 47 51 320 -6 -71 18 23 -70 59 21 -72 22 17 -69 56 50 113 0 0 -70 57 37 11 0 49 51 319 -7 -71 7 12 -70 48 3 -72 11 32 -69 45 7 114 0 0 -70 45 57 11 0 51 51 318 -7 -70 55 37 -70 36 20 -72 0 23 -69 32 58 115 0 0 -70 33 53 11 0 53 51 316 -7 -70 43 36 -70 24 11 -71 48 50 -69 20 24 116 0 0 -70 21 22 11 0 54 50 315 -8 -70 31 10 -70 11 36 -71 36 52 -69 7 23 117 0 0 -70 8 25 11 0 56 50 313 -8 -70 18 17 -69 58 35 -71 24 27 -68 53 55 118 0 0 -69 55 0 11 0 58 50 312 -9 -70 4 56 -69 45 6 -71 11 36 -68 39 59 119 0 0 -69 41 8 11 1 0 50 310 -9 -69 51 8 -69 31 9 -70 58 18 -68 25 34 120 0 0 -69 26 46 11 1 2 50 309 -9 -69 36 51 -69 16 43 -70 44 31 -68 10 40 121 0 0 -69 11 54 11 1 4 50 308 -10 -69 22 4 -69 1 47 -70 30 15 -67 55 15 122 0 0 -68 56 32 11 1 6 50 306 -10 -69 6 46 -68 46 20 -70 15 29 -67 39 19 123 0 0 -68 40 39 11 1 8 50 305 -11 -68 50 58 -68 30 22 -70 0 12 -67 22 51 124 0 0 -68 24 14 11 1 10 49 303 -11 -68 34 37 -68 13 52 -69 44 24 -67 5 51 125 0 0 -68 7 15 11 1 12 49 302 -11 -68 17 43 -67 56 49 -69 28 3 -66 48 17 126 0 0 -67 49 42 11 1 14 49 300 -12 -68 0 15 -67 39 11 -69 11 8 -66 30 8 127 0 0 -67 31 34 11 1 17 49 299 -12 -67 42 12 -67 20 59 -68 53 39 -66 11 25 128 0 0 -67 12 51 11 1 19 49 297 -13 -67 23 34 -67 2 10 -68 35 35 -65 52 5 129 0 0 -66 53 31 11 1 21 49 296 -13 -67 4 19 -66 42 45 -68 16 54 -65 32 8 130 0 0 -66 33 33 11 1 23 48 294 -14 -66 44 26 -66 22 42 -67 57 35 -65 11 34 131 0 0 -66 12 57 11 1 26 48 293 -14 -66 23 54 -66 2 1 -67 37 39 -64 50 20 132 0 0 -65 51 41 11 1 28 48 292 -15 -66 2 43 -65 40 40 -67 17 3 -64 28 27 133 0 0 -65 29 44 11 1 31 48 290 -15 -65 40 52 -65 18 38 -66 55 46 -64 5 54 134 0 0 -65 7 6 11 1 33 47 289 -16 -65 18 19 -64 55 55 -66 33 48 -63 42 39 135 0 0 -64 43 46 11 1 36 47 287 -17 -64 55 4 -64 32 30 -66 11 8 -63 18 42 136 0 0 -64 19 42 11 1 38 47 286 -17 -64 31 5 -64 8 22 -65 47 44 -62 54 1 137 0 0 -63 54 55 11 1 41 46 284 -18 -64 6 23 -63 43 29 -65 23 36 -62 28 37 138 0 0 -63 29 22 11 1 43 46 283 -18 -63 40 55 -63 17 52 -64 58 42 -62 2 29 139 0 0 -63 3 3 11 1 46 46 281 -19 -63 14 41 -62 51 28 -64 33 2 -61 35 35 140 0 0 -62 35 58 11 1 49 45 280 -20 -62 47 41 -62 24 18 -64 6 35 -61 7 55 141 0 0 -62 8 6 11 1 52 45 278 -20 -62 19 53 -61 56 21 -63 39 20 -60 39 28 142 0 0 -61 39 25 11 1 54 45 277 -21 -61 51 17 -61 27 36 -63 11 16 -60 10 14 143 0 0 -61 9 56 11 1 57 44 276 -21 -61 21 52 -60 58 3 -62 42 22 -59 40 12 144 0 0 -60 39 38 11 2 0 44 274 -22 -60 51 38 -60 27 40 -62 12 39 -59 9 22 145 0 0 -60 8 29 11 2 3 43 273 -23 -60 20 34 -59 56 27 -61 42 4 -58 37 43 146 0 0 -59 36 31 11 2 6 43 271 -24 -59 48 40 -59 24 25 -61 10 38 -58 5 15 147 0 0 -59 3 42 11 2 9 42 270 -24 -59 15 55 -58 51 32 -60 38 20 -57 31 58 148 0 0 -58 30 3 11 2 12 42 269 -25 -58 42 19 -58 17 49 -60 5 10 -56 57 52 149 0 0 -57 55 33 11 2 15 41 267 -26 -58 7 53 -57 43 16 -59 31 7 -56 22 57 150 0 0 -57 20 12 11 2 18 41 266 -27 -57 32 35 -57 7 51 -58 56 12 -55 47 12 151 0 0 -56 44 0 11 2 21 40 265 -28 -56 56 26 -56 31 37 -58 20 25 -55 10 39 152 0 0 -56 6 58 11 2 25 39 263 -28 -56 19 27 -55 54 32 -57 43 45 -54 33 17 153 0 0 -55 29 6 11 2 28 39 262 -29 -55 41 38 -55 16 38 -57 6 13 -53 55 7 154 0 0 -54 50 25 11 2 31 38 261 -30 -55 2 59 -54 37 55 -56 27 50 -53 16 9 155 0 0 -54 10 55 11 2 34 37 260 -31 -54 23 31 -53 58 23 -55 48 36 -52 36 25 156 0 0 -53 30 38 11 2 37 37 258 -32 -53 43 15 -53 18 3 -55 8 31 -51 55 55 157 0 0 -52 49 33 11 2 41 36 257 -33 -53 2 12 -52 36 57 -54 27 38 -51 14 41 158 0 0 -52 7 43 11 2 44 35 256 -34 -52 20 23 -51 55 6 -53 45 56 -50 32 43 159 0 0 -51 25 8 11 2 47 34 255 -35 -51 37 49 -51 12 31 -53 3 28 -49 50 3 160 0 0 -50 41 51 11 2 50 34 254 -36 -50 54 32 -50 29 13 -52 20 14 -49 6 42 161 0 0 -49 57 52 11 2 53 33 253 -37 -50 10 33 -49 45 14 -51 36 16 -48 22 43 162 0 0 -49 13 13 11 2 57 32 251 -38 -49 25 54 -49 0 36 -50 51 36 -47 38 6 163 0 0 -48 27 57 11 3 0 31 250 -39 -48 40 38 -48 15 20 -50 6 16 -46 52 53 164 0 0 -47 42 6 11 3 3 30 249 -40 -47 54 45 -47 29 29 -49 20 18 -46 7 8 165 0 0 -46 55 41 11 3 6 29 248 -41 -47 8 19 -46 43 5 -48 33 43 -45 20 51 166 0 0 -46 8 44 11 3 9 28 247 -42 -46 21 21 -45 56 11 -47 46 36 -44 34 5 167 0 0 -45 21 19 11 3 12 27 246 -43 -45 33 55 -45 8 47 -46 58 57 -43 46 53 168 0 0 -44 33 28 11 3 15 26 245 -44 -44 46 1 -44 20 58 -46 10 49 -42 59 17 169 0 0 -43 45 13 11 3 17 25 245 -45 -43 57 44 -43 32 45 -45 22 16 -42 11 18 170 0 0 -42 56 37 11 3 20 24 244 -46 -43 9 5 -42 44 12 -44 33 19 -41 23 1 171 0 0 -42 7 43 11 3 23 23 243 -47 -42 20 8 -41 55 20 -43 44 2 -40 34 27 172 0 0 -41 18 32 11 3 25 22 242 -48 -41 30 55 -41 6 13 -42 54 28 -39 45 39 173 0 0 -40 29 10 11 3 28 21 241 -49 -40 41 29 -40 16 53 -42 4 38 -38 56 40 174 0 0 -39 39 37 11 3 30 20 240 -50 -39 51 52 -39 27 24 -41 14 37 -38 7 33 175 0 0 -38 49 56 11 3 32 19 240 -51 -39 2 8 -38 37 47 -40 24 28 -37 18 20 176 0 0 -38 0 12 11 3 35 18 239 -53 -38 12 20 -37 48 7 -39 34 12 -36 29 4 177 0 0 -37 10 26 11 3 37 17 238 -54 -37 22 30 -36 58 25 -38 43 53 -35 39 47 178 0 0 -36 20 41 11 3 38 16 238 -55 -36 32 40 -36 8 44 -37 53 35 -34 50 33 179 0 0 -35 31 0 11 3 40 15 237 -56 -35 42 55 -35 19 7 -37 3 19 -34 1 24 180 0 0 -34 41 25 11 3 42 13 236 -57 -34 53 16 -34 29 37 -36 13 8 -33 12 22 -179 0 0 -33 52 0 11 3 44 12 236 -58 -34 3 46 -33 40 16 -35 23 6 -32 23 31 -178 0 0 -33 2 46 11 3 45 11 235 -59 -33 14 27 -32 51 7 -34 33 15 -31 34 51 -177 0 0 -32 13 47 11 3 46 10 234 -60 -32 25 23 -32 2 12 -33 43 38 -30 46 27 -176 0 0 -31 25 4 11 3 47 9 234 -61 -31 36 36 -31 13 34 -32 54 16 -29 58 19 -175 0 0 -30 36 40 11 3 48 8 233 -62 -30 48 7 -30 25 15 -32 5 14 -29 10 31 -174 0 0 -29 48 37 11 3 49 6 233 -63 -29 59 59 -29 37 18 -31 16 32 .. .. .. -173 0 0 -29 0 58 11 3 50 5 232 -64 -29 12 15 -28 49 43 -30 28 13 .. .. .. -172 0 0 -28 13 44 11 3 50 4 232 -65 -28 24 56 -28 2 34 -29 40 19 .. .. .. -171 0 0 -27 26 57 11 3 51 3 231 -66 -27 38 4 -27 15 52 -28 52 53 .. .. .. -170 0 0 -26 40 39 11 3 51 2 231 -67 -26 51 41 -26 29 39 -28 5 55 .. .. .. -169 0 0 -25 54 52 11 3 51 1 231 -68 -26 5 49 -25 43 58 -27 19 29 .. .. .. Uncertainty in time = +/- 4 secs Prediction of 2012 Jul 21.0 Data for the target star ------------------------ * name: TYC 7337-00296-1 * constellation : Lupus * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 15 57 46.0301 DE: -35 10 44.215 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .028, .029 ) * V mag [mag]: 9.2 * B mag [mag]: 9.7 * Diameter [mas]: 0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1372) Haremari approx. diameter [km]: 24 approx. diameter ["]: .010 distance from Earth [AU]: 3.21700 * orbital information: orbit source: Preston date of fit: 2012 Jul 21 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 761 number of rejected observations: 31 time covered by the observations: 1928 Feb 27 - 2012 May 30 1 sigma uncertainty ellipse (major, minor, PA): 0.031, 0.015, 99° remarks: * orbital elements for (1372) Haremari : Mean anomaly = 214.90805461 deg Arg. of pericenter = 88.36913742 deg Long. of node = 327.49306179 deg Inclination = 16.45227192 deg Eccentricity = 0.14614767 Semimajor axis = 2.76811003 AU Perihelion dist = 2.36355719 AU Mag: H = 10.99, G = 0.15 Epoch of elements : MJD 56182.45900000 TDT (2012 Sep 12.459) ------ occelmnt file for Occult BEGIN ----------------------------------- 2012 Sep 12 1372 Haremari 11h 0.4m UT 9.2 15 57 46.030-35 10 44.22TYC 7337-00296-1 9.7 16.9 24 1.0 3.217 3.013 4.39 82.4842 -35.181 13.93 3.93 11.0068 0.07344 -0.61766 13.51473 1.60689 0.00537 -0.00153 2000 214.3818102012 910.00000 88.369137327.493062 16.4522720.14614767 2.7681100 2.363557211.0 5.00.15 RATE 2.1400760 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.042 0.033 95 4.32 0.034 0 0 1 5 056129.0020120912_0296-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2012 Jul 21, 15:41 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org