IOTA/IOTA-ES occultation update for (184) Dejopeja / TYC 1895-01479-1 event on 2008 Mar 03, 14:46 UT Visible from Russia, China, Indonesia Summary ------- On 2008 Mar 03 UT, the 67 km diameter asteroid (184) Dejopeja will occult a 11.0 mag star in the constellation Gemini for observers along a path across Russia, China, Indonesia. In the case of an occultation, the combined light of the asteroid and the star will drop by 2.6 mag to 13.5 mag (the magnitude of the asteroid) for at most 107.2 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, TMO astrometry for the asteroid kindly provided by Bill Owen, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 81 * date and approx. time of event: 2008 Mar 03, 12:11 - 2008 Mar 03, 17:10 UT * magnitude of target star: 11.0 * magnitude drop [mag]: 2.6 * estimated maximum duration [s]: 107.2 * Moon: 18 % sunlit, 172° distance * Sun: 122° distance * rough path description: Russia, China, Indonesia The occultation path -------------------- * approximate projected width [km]: 74 * 1 sigma uncertainty interval [path widths]: +/- 0.66 * 1 sigma uncertainty interval [seconds]: +/- 73.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .025 +/- .027) * 1 sigma uncertainty ellipse (major, minor, PA): ( .027", .025", 2° ) * approx speed of asteroid's shadow [km/s]: 0.6202 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1895-01479-1 by 184 Dejopeja on 2008 Mar 3 Centre Star Star Sun Path Limit1 Path Limit2 Error Limit1 Error Limit2 E. Longitude Latitude U.T. Alt Az Alt o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " o ' " o ' " o ' " o ' " Longitude Latitude Longitude Latitude Longitude Latitude Longitude Latitude - 93 22 12 73 9 39 12 11 1 9 327 -7 - 92 44 20 72 21 7 - 93 55 42 73 54 40 - 91 45 42 71 9 40 - 94 34 29 74 49 53 -109 40 27 77 4 21 12 14 54 15 313 -11 -108 54 9 76 32 4 -110 26 26 77 35 40 -107 52 12 75 47 47 -111 26 59 78 15 41 -127 50 52 78 53 13 12 18 48 19 296 -13 -126 38 19 78 27 52 -129 5 35 79 17 58 -125 5 22 77 53 26 -130 48 2 79 49 44 -146 15 29 79 21 26 12 22 42 22 279 -15 -144 39 17 79 1 51 -147 54 50 79 40 25 -142 36 45 78 35 6 -150 11 13 80 4 36 -162 25 58 78 52 49 12 26 35 25 264 -17 -160 40 32 78 38 22 -164 13 52 79 6 41 -158 25 0 78 18 24 -166 40 7 79 24 4 -175 16 47 77 48 44 12 30 29 27 253 -19 -173 34 20 77 38 23 -177 0 33 77 58 33 -171 21 13 77 23 53 -179 19 31 78 10 40 174 54 8 76 24 59 12 34 23 30 245 -20 176 28 15 76 17 39 173 19 27 76 31 51 178 31 35 76 7 14 171 13 42 76 40 11 167 22 28 74 51 16 12 38 16 32 239 -22 168 47 22 74 46 6 165 57 27 74 56 2 170 39 11 74 38 39 164 5 7 75 1 43 161 28 37 73 12 58 12 42 10 34 235 -23 162 45 4 73 9 22 160 12 16 73 16 15 164 26 5 73 4 3 158 31 40 73 20 2 156 43 51 71 33 1 12 46 4 36 231 -24 157 53 3 71 30 32 155 34 50 71 35 12 159 24 40 71 26 49 154 4 5 71 37 38 152 48 31 69 52 57 12 49 57 38 229 -26 153 51 38 69 51 20 151 45 39 69 54 20 155 15 17 69 48 47 150 23 2 69 55 45 149 29 21 68 13 38 12 53 51 39 227 -27 150 27 21 68 12 39 148 31 35 68 14 23 151 44 18 68 11 0 147 15 44 68 15 2 146 37 11 66 35 27 12 57 45 41 226 -28 147 30 54 66 34 59 145 43 43 66 35 44 148 42 11 66 34 2 144 33 31 66 35 48 144 5 39 64 58 39 13 1 38 43 226 -29 144 55 43 64 58 34 143 15 48 64 58 33 146 2 11 64 58 10 142 10 23 64 58 9 141 50 10 63 23 16 13 5 32 44 225 -30 142 37 8 63 23 30 141 3 26 63 22 52 143 39 28 63 23 33 140 2 5 63 22 6 139 47 26 61 49 20 13 9 26 46 225 -32 140 31 43 61 49 50 139 3 22 61 48 42 141 30 29 61 50 15 138 5 32 61 47 38 137 54 58 60 16 48 13 13 19 47 225 -33 138 36 54 60 17 31 137 13 13 60 15 58 139 32 34 60 18 13 136 18 26 60 14 39 136 10 54 58 45 38 13 17 13 48 225 -34 136 50 47 58 46 30 135 31 11 58 44 37 137 43 44 58 47 28 134 39 4 58 43 7 134 33 47 57 15 43 13 21 7 50 226 -35 135 11 52 57 16 45 133 55 52 57 14 35 136 2 25 57 17 55 133 6 6 57 12 54 133 2 30 55 47 1 13 25 0 51 226 -36 133 38 59 55 48 10 132 26 11 55 45 45 134 27 24 55 49 30 131 38 30 55 43 56 131 36 11 54 19 25 13 28 54 52 227 -37 132 11 14 54 20 41 131 1 17 54 18 4 132 57 44 54 22 10 130 15 28 54 16 7 130 14 6 52 52 53 13 32 48 53 228 -38 130 47 52 52 54 13 129 40 29 52 51 26 131 32 39 52 55 51 128 56 20 52 49 23 128 55 41 51 27 18 13 36 41 54 229 -39 129 28 17 51 28 44 128 23 13 51 25 47 130 11 32 51 30 27 127 40 35 51 23 39 127 40 28 50 2 37 13 40 35 55 230 -40 128 12 2 50 4 7 127 9 3 50 1 3 128 53 53 50 5 56 126 27 47 49 58 50 126 28 5 48 38 46 13 44 28 56 231 -41 126 58 40 48 40 19 125 57 36 48 37 8 127 39 15 48 42 14 125 17 34 48 34 51 125 18 11 47 15 41 13 48 22 57 233 -42 125 47 54 47 17 17 124 48 35 47 14 0 126 27 20 47 19 16 124 9 41 47 11 39 124 10 31 45 53 17 13 52 16 58 234 -43 124 39 27 45 54 55 123 41 42 45 51 33 125 17 48 45 56 58 123 3 51 45 49 10 123 4 52 44 31 31 13 56 9 59 236 -43 123 33 4 44 33 12 122 36 47 44 29 45 124 10 27 44 35 18 121 59 52 44 27 19 122 1 2 43 10 20 14 0 3 60 238 -44 122 28 33 43 12 3 121 33 37 43 8 32 123 5 3 43 14 13 120 57 35 43 6 4 120 58 52 41 49 40 14 3 57 61 240 -45 121 25 46 41 51 25 120 32 4 41 47 51 122 1 26 41 53 37 119 56 51 41 45 20 119 58 13 40 29 29 14 7 50 61 242 -46 120 24 33 40 31 16 119 32 0 40 27 38 120 59 27 40 33 30 118 57 31 40 25 6 118 59 0 39 9 43 14 11 44 62 244 -47 119 24 47 39 11 31 118 33 18 39 7 50 119 58 59 39 13 47 117 59 31 39 5 16 118 1 5 37 50 18 14 15 38 63 246 -48 118 26 23 37 52 8 117 35 52 37 48 25 118 59 55 37 54 26 117 2 44 37 45 49 117 4 24 36 31 14 14 19 31 63 249 -49 117 29 15 36 33 4 116 39 38 36 29 19 118 2 11 36 35 24 116 7 6 36 26 42 116 8 52 35 12 25 14 23 25 63 251 -50 116 33 18 35 14 17 115 44 32 35 10 30 117 5 40 35 16 38 115 12 33 35 7 52 115 14 27 33 53 51 14 27 19 64 254 -50 115 38 29 33 55 43 114 50 30 33 51 55 116 10 20 33 58 6 114 19 2 33 49 16 114 21 5 32 35 27 14 31 12 64 256 -51 114 44 44 32 37 21 113 57 30 32 33 30 115 16 6 32 39 45 113 26 30 32 30 51 113 28 43 31 17 12 14 35 6 64 259 -52 113 52 2 31 19 6 113 5 28 31 15 15 114 22 57 31 21 31 112 34 55 31 12 34 112 37 19 29 59 3 14 39 0 64 262 -53 113 0 20 30 0 58 112 14 23 29 57 5 113 30 49 30 3 24 111 44 15 29 54 24 111 46 52 28 40 58 14 42 53 64 265 -54 112 9 35 28 42 53 111 24 14 28 38 59 112 39 42 28 45 19 110 54 28 28 36 18 110 57 21 27 22 53 14 46 47 64 268 -54 111 19 48 27 24 48 110 34 59 27 20 54 111 49 32 27 27 15 110 5 34 27 18 12 110 8 44 26 4 46 14 50 41 64 270 -55 110 30 56 26 6 42 109 46 37 26 2 47 111 0 20 26 9 10 109 17 32 26 0 5 109 21 1 24 46 35 14 54 34 64 273 -56 109 42 59 24 48 31 108 59 8 24 44 36 110 12 5 24 50 59 108 30 21 24 41 53 108 34 12 23 28 17 14 58 28 64 276 -57 108 55 57 23 30 13 108 12 32 23 26 18 109 24 46 23 32 41 107 44 2 23 23 35 107 48 16 22 9 49 15 2 22 63 278 -57 108 9 49 22 11 45 107 26 47 22 7 50 108 38 23 22 14 13 106 58 33 22 5 7 107 3 14 20 51 9 15 6 15 63 281 -58 107 24 36 20 53 5 106 41 56 20 49 9 107 52 56 20 55 33 106 13 56 20 46 27 106 19 7 19 32 13 15 10 9 63 283 -59 106 40 19 19 34 9 105 57 59 19 30 14 107 8 25 19 36 37 105 30 11 19 27 31 105 35 55 18 12 59 15 14 2 62 286 -60 105 56 58 18 14 55 105 14 55 18 11 0 106 24 53 18 17 23 104 47 19 18 8 18 104 53 39 16 53 24 15 17 56 61 288 -60 105 14 35 16 55 20 104 32 48 16 51 25 105 42 19 16 57 47 104 5 22 16 48 43 104 12 21 15 33 25 15 21 50 61 290 -61 104 33 10 15 35 20 103 51 37 15 31 26 105 0 45 15 37 46 103 24 21 15 28 45 103 32 4 14 12 57 15 25 43 60 292 -61 103 52 47 14 14 52 103 11 25 14 10 59 104 20 14 14 17 18 102 44 17 14 8 19 102 52 48 12 51 59 15 29 37 59 294 -62 103 13 26 12 53 53 102 32 15 12 50 1 103 40 46 12 56 18 102 5 13 12 47 22 102 14 38 11 30 25 15 33 31 58 296 -63 102 35 11 11 32 18 101 54 9 11 28 29 103 2 26 11 34 43 101 27 13 11 25 50 101 37 35 10 8 13 15 37 24 57 298 -63 101 58 5 10 10 5 101 17 9 10 6 17 102 25 16 10 12 28 100 50 18 10 3 39 101 1 44 8 45 17 15 41 18 56 300 -64 101 22 12 8 47 8 100 41 20 8 43 23 101 49 20 8 49 30 100 14 32 8 40 46 100 27 8 7 21 34 15 45 12 55 301 -64 100 47 35 7 23 24 100 6 46 7 19 40 101 14 41 7 25 43 99 40 0 7 17 5 99 53 53 5 56 57 15 49 5 54 302 -64 100 14 20 5 58 46 99 33 31 5 55 5 100 41 26 6 1 3 99 6 45 5 52 32 99 22 5 4 31 23 15 52 59 53 304 -65 99 42 32 4 33 9 99 1 42 4 29 32 100 9 40 4 35 25 98 34 55 4 27 1 98 51 48 3 4 44 15 56 53 52 305 -65 99 12 18 3 6 28 98 31 24 3 2 55 99 39 29 3 8 41 98 4 34 3 0 26 98 23 12 1 36 53 16 0 46 51 306 -65 98 43 45 1 38 36 98 2 44 1 35 7 99 11 1 1 40 45 97 35 51 1 32 41 97 56 25 0 7 45 16 4 40 49 307 -65 98 17 3 0 9 24 97 35 52 0 6 1 98 44 25 0 11 30 97 8 53 0 3 38 97 31 37 - 1 22 51 16 8 34 48 308 -66 97 52 21 - 1 21 15 97 10 58 - 1 24 32 98 19 52 - 1 19 13 96 43 51 - 1 26 51 97 9 1 - 2 55 4 16 12 27 46 309 -66 97 29 53 - 2 53 31 96 48 14 - 2 56 41 97 57 34 - 2 51 34 96 20 57 - 2 58 56 96 48 50 - 4 29 4 16 16 21 45 310 -65 97 9 52 - 4 27 35 96 27 53 - 4 30 37 97 37 47 - 4 25 44 96 0 24 - 4 32 47 96 31 22 - 6 5 4 16 20 15 43 310 -65 96 52 37 - 6 3 40 96 10 14 - 6 6 32 97 20 49 - 6 1 56 95 42 29 - 6 8 36 96 16 59 - 7 43 20 16 24 8 42 311 -65 96 38 28 - 7 42 1 95 55 36 - 7 44 42 97 7 1 - 7 40 26 95 27 32 - 7 46 39 96 6 5 - 9 24 8 16 28 2 40 312 -65 96 27 53 - 9 22 57 95 44 25 - 9 25 24 96 56 50 - 9 21 31 95 15 58 - 9 27 12 95 59 13 -11 7 51 16 31 56 38 312 -64 96 21 23 -11 6 48 95 37 12 -11 8 59 96 50 50 -11 5 34 95 8 18 -11 10 37 95 57 4 -12 54 55 16 35 49 37 312 -64 96 19 41 -12 54 3 95 34 37 -12 55 53 96 49 44 -12 53 3 95 5 10 -12 57 18 96 0 31 -14 45 53 16 39 43 35 313 -63 96 23 40 -14 45 13 95 37 31 -14 46 38 96 54 29 -14 44 31 95 7 24 -14 47 48 96 10 42 -16 41 27 16 43 37 32 313 -62 96 34 33 -16 41 4 95 47 3 -16 41 57 97 6 18 -16 40 44 95 16 6 -16 42 48 96 29 16 -18 42 35 16 47 30 30 313 -61 96 53 58 -18 42 32 96 4 46 -18 42 45 97 26 55 -18 42 42 95 32 45 -18 43 10 96 58 29 -20 50 35 16 51 24 28 313 -60 97 24 19 -20 51 1 96 32 53 -20 50 18 97 58 51 -20 51 50 95 59 29 -20 50 10 97 41 50 -23 7 24 16 55 17 25 312 -58 98 9 14 -23 8 29 97 14 45 -23 6 29 98 45 56 -23 10 14 96 39 29 -23 5 34 98 45 2 -25 36 5 16 59 11 22 312 -57 99 14 43 -25 38 10 98 15 48 -25 34 15 99 54 38 -25 41 19 97 37 50 -25 32 10 100 18 39 -28 22 9 17 3 5 18 311 -55 100 52 5 -28 25 54 99 45 55 -28 18 45 101 37 20 -28 31 27 99 3 41 -28 14 48 102 46 50 -31 37 45 17 6 58 14 309 -52 103 27 54 -31 45 0 102 7 12 -31 31 12 104 24 34 -31 55 47 101 16 45 -31 23 31 107 42 52 -36 8 8 17 10 52 7 306 -47 108 56 50 -36 30 44 106 37 38 -35 49 39 110 57 55 -37 11 33 105 20 34 -35 29 34 Uncertainty in time = +/- 76 secs [Prediction of 2008 Feb 27.0] Data for the target star ------------------------ * name: TYC 1895-01479-1 * constellation : Gemini * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 07 05 16.0485 DE: +23 21 10.458 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .017, .024 ) * V mag [mag]: 11.0 * B mag [mag]: 11.9 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (184) Dejopeja approx. diameter [km]: 67 approx. diameter ["]: .038 distance from Earth [AU]: 2.40800 * orbital information: orbit source: Preston date of fit: 2008 Feb 27 source of used astrometry: FASTT TMO MPC (via Astdys) number of used observations: 1010 number of rejected observations: 109 time covered by the observations: 1903 Sep 01 - 2008 Feb 11 1 sigma uncertainty ellipse (major, minor, PA): 0.018, 0.013, 97° remarks: * orbital elements for (184) Dejopeja : Mean anomaly = 307.74654060 deg Arg. of pericenter = 208.05517648 deg Long. of node = 332.45069822 deg Inclination = 1.14642520 deg Eccentricity = 0.07538936 Semimajor axis = 3.18270960 AU Perihelion dist = 2.94276717 AU Mag: H = 8.37, G = 0.15 Epoch of elements : MJD 54528.61600000 TDT (2008 Mar 03.616) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Mar 3 184 Dejopeja 14h 42.9m UT 11.0 7 5 16.048 23 21 10.46TYC 1895-01479-1 11.9 13.5 67 107.2 2.408 0.030 -1.22 83.8490 23.353 -37.76 -6.52 14.7148 0.40950 0.13036 0.10790 -0.33300 0.00500 -0.00060 2000 306.2509452008 224.00000208.055176332.450698 1.1464250.07538936 3.1827096 2.9427672 8.3 5.00.15 RATE 1.7358360 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.027 0.025 2 1.66 0.025 0 54523.5020080303_1479-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Feb 27, 19:26 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org