IOTA/IOTA-ES occultation update for (5889) Mickiewicz / TYC 5162-01378-1 event on 2012 Sep 10, 09:59 UT Visible from E Australia, New Guinea Summary ------- On 2012 Sep 10 UT, the 23 km diameter asteroid (5889) Mickiewicz will occult a 10.2 mag star in the constellation Aquila for observers along a path across E Australia, New Guinea. In the case of an occultation, the combined light of the asteroid and the star will drop by 6.7 mag to 16.9 mag (the magnitude of the asteroid) for at most 2.1 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: 2012 Sep 10, 09:49 - 2012 Sep 10, 10:08 UT * geocentric midpoint of event [JD]: 2456180.91607917 * magnitude of target star: 10.2 * magnitude drop [mag]: 6.7 * estimated maximum duration [s]: 2.1 * Moon: 33 % sunlit, 149° distance * Sun: 136° distance * rough path description: E Australia, New Guinea The occultation path -------------------- * approximate projected width [km]: 23 * 1 sigma uncertainty interval [path widths]: +/- 5.84 * 1 sigma uncertainty interval [seconds]: +/- 9.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .083 +/- .064) * 1 sigma uncertainty ellipse (major, minor, PA): ( .083", .064", 88° ) * approx speed of asteroid's shadow [km/s]: 10.6160 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5162-01378-1 by 5889 Mickiewicz on 2012 Sep 10 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 -150 36 58 85 0 0 9 49 23 3 222 0 -152 13 43 -148 57 44 -169 2 14 -123 11 43 Latitude Latitude Latitude Latitude -152 0 0 84 51 46 9 49 23 3 221 0 85 1 23 84 42 10 86 54 16 82 50 34 -153 0 0 84 45 25 9 49 23 3 220 -1 84 55 13 84 35 38 86 50 24 82 41 50 -154 0 0 84 38 43 9 49 23 3 219 -1 84 48 43 84 28 43 86 46 18 82 32 37 -155 0 0 84 31 38 9 49 23 3 218 -1 84 41 51 84 21 25 86 41 58 82 22 52 -156 0 0 84 24 8 9 49 23 4 217 -1 84 34 35 84 13 42 86 37 23 82 12 34 -157 0 0 84 16 11 9 49 24 4 216 -1 84 26 52 84 5 31 86 32 31 82 1 40 -158 0 0 84 7 45 9 49 24 4 215 -1 84 18 41 83 56 50 86 27 20 81 50 7 -159 0 0 83 58 48 9 49 24 4 214 -1 84 10 0 83 47 37 86 21 51 81 37 52 -160 0 0 83 49 17 9 49 24 4 213 -1 84 0 46 83 37 49 86 16 0 81 24 51 -161 0 0 83 39 10 9 49 24 4 212 -2 83 50 57 83 27 24 86 9 45 81 11 1 -162 0 0 83 28 22 9 49 24 5 211 -2 83 40 28 83 16 17 86 3 6 80 56 18 -163 0 0 83 16 50 9 49 25 5 210 -2 83 29 16 83 4 25 85 55 58 80 40 36 -164 0 0 83 4 30 9 49 25 5 209 -2 83 17 18 82 51 43 85 48 20 80 23 50 -165 0 0 82 51 17 9 49 25 5 208 -2 83 4 28 82 38 8 85 40 9 80 5 55 -166 0 0 82 37 7 9 49 25 6 207 -2 82 50 42 82 23 33 85 31 20 79 46 44 -167 0 0 82 21 52 9 49 26 6 206 -3 82 35 54 82 7 52 85 21 49 79 26 9 -168 0 0 82 5 27 9 49 26 6 205 -3 82 19 57 81 50 59 85 11 33 79 4 1 -169 0 0 81 47 43 9 49 26 7 204 -3 82 2 43 81 32 45 85 0 26 78 40 12 -170 0 0 81 28 31 9 49 27 7 203 -3 81 44 3 81 13 1 84 48 21 78 14 31 -171 0 0 81 7 42 9 49 27 7 202 -4 81 23 49 80 51 38 84 35 11 77 46 44 -172 0 0 80 45 3 9 49 28 8 201 -4 81 1 47 80 28 22 84 20 48 77 16 38 -173 0 0 80 20 21 9 49 28 8 200 -4 80 37 44 80 3 0 84 5 2 76 43 58 -174 0 0 79 53 19 9 49 29 9 199 -4 80 11 26 79 35 16 83 47 41 76 8 24 -175 0 0 79 23 40 9 49 30 9 198 -5 79 42 34 79 4 51 83 28 31 75 29 36 -176 0 0 78 51 2 9 49 31 10 197 -5 79 10 46 78 31 23 83 7 15 74 47 10 -177 0 0 78 15 0 9 49 32 10 196 -6 78 35 37 77 54 28 82 43 34 74 0 39 -178 0 0 77 35 4 9 49 34 11 195 -6 77 56 40 77 13 35 82 17 3 73 9 32 -179 0 0 76 50 41 9 49 35 12 194 -7 77 13 18 76 28 10 81 47 13 72 13 13 -180 0 0 76 1 9 9 49 37 13 193 -7 76 24 53 75 37 33 81 13 29 71 11 4 179 0 0 75 5 42 9 49 40 14 192 -8 75 30 38 74 40 56 80 35 6 70 2 20 178 0 0 74 3 26 9 49 42 15 191 -9 74 29 37 73 37 26 79 51 11 68 46 12 177 0 0 72 53 18 9 49 46 16 190 -9 73 20 48 72 26 1 79 0 39 67 21 46 176 0 0 71 34 9 9 49 50 17 189 -10 72 3 0 71 5 33 78 2 9 65 48 6 175 0 0 70 4 42 9 49 55 19 188 -11 70 34 55 69 34 46 76 54 4 64 4 15 174 0 0 68 23 33 9 50 1 21 187 -12 68 55 8 67 52 20 75 34 31 62 9 18 173 0 0 66 29 23 9 50 9 22 186 -14 67 2 13 65 56 56 74 1 17 60 2 23 172 0 0 64 20 54 9 50 18 25 185 -15 64 54 52 63 47 23 72 12 0 57 42 54 171 0 0 61 57 8 9 50 29 27 184 -17 62 31 59 61 22 45 70 4 18 55 10 28 170 0 0 59 17 30 9 50 43 30 183 -18 59 52 59 58 42 32 67 36 12 52 25 5 169 0 0 56 22 3 9 51 0 33 182 -20 56 57 49 55 46 49 64 46 31 49 27 12 168 0 0 53 11 33 9 51 19 36 181 -22 53 47 14 52 36 24 61 35 21 46 17 43 167 0 0 49 47 28 9 51 41 39 180 -24 50 22 43 49 12 44 58 4 15 42 57 56 166 0 0 46 11 51 9 52 7 43 179 -25 46 46 22 45 37 48 54 16 9 39 29 31 165 0 0 42 27 8 9 52 36 47 177 -27 43 0 42 41 54 1 50 14 53 35 54 19 164 0 0 38 35 57 9 53 7 50 176 -29 39 8 23 38 3 56 46 4 34 32 14 19 163 0 0 34 40 52 9 53 40 54 174 -30 35 12 4 34 10 0 41 49 8 28 31 26 162 0 0 30 44 12 9 54 16 58 172 -32 31 14 10 30 14 34 37 32 0 24 47 30 161 0 0 26 48 4 9 54 53 62 169 -33 27 16 46 26 19 37 33 15 56 21 4 9 160 0 0 22 54 10 9 55 31 65 165 -34 23 21 41 22 26 54 29 3 9 17 22 52 159 0 0 19 3 58 9 56 9 69 160 -34 19 30 20 18 37 49 24 55 17 13 44 52 158 0 0 15 18 37 9 56 47 72 154 -35 15 43 53 14 53 31 20 53 34 10 11 13 157 0 0 11 39 1 9 57 26 75 145 -35 12 3 16 11 14 54 16 58 52 6 42 44 156 0 0 8 5 51 9 58 3 77 133 -35 8 29 9 7 42 40 13 11 47 3 20 7 155 0 0 4 39 38 9 58 40 78 118 -35 5 2 2 4 17 20 9 32 46 0 3 53 154 0 0 1 20 44 9 59 16 79 102 -34 1 42 19 0 59 15 6 2 2 - 3 5 34 153 0 0 - 1 50 37 9 59 50 78 86 -34 - 1 29 49 - 2 11 20 2 39 45 - 6 7 59 152 0 0 - 4 54 16 10 0 23 77 74 -33 - 4 34 12 - 5 14 16 - 0 34 4 - 9 3 10 151 0 0 - 7 50 12 10 0 55 75 64 -32 - 7 30 49 - 8 9 31 - 3 39 28 -11 51 3 150 0 0 -10 38 25 10 1 24 73 57 -31 -10 19 42 -10 57 6 - 6 36 32 -14 31 39 149 0 0 -13 19 2 10 1 53 70 53 -30 -13 0 55 -13 37 6 - 9 25 27 -17 5 0 148 0 0 -15 52 11 10 2 20 68 49 -30 -15 34 39 -16 9 41 -12 6 23 -19 31 13 147 0 0 -18 18 3 10 2 45 66 47 -28 -18 1 3 -18 35 0 -14 39 35 -21 50 29 146 0 0 -20 36 50 10 3 8 64 45 -27 -20 20 22 -20 53 16 -17 5 18 -24 2 59 145 0 0 -22 48 48 10 3 31 61 43 -26 -22 32 49 -23 4 44 -19 23 49 -26 8 57 144 0 0 -24 54 11 10 3 52 59 42 -25 -24 38 41 -25 9 39 -21 35 24 -28 8 36 143 0 0 -26 53 16 10 4 11 57 41 -24 -26 38 12 -27 8 18 -23 40 22 -30 2 13 142 0 0 -28 46 19 10 4 29 55 41 -23 -28 31 41 -29 0 56 -25 39 0 -31 50 3 141 0 0 -30 33 38 10 4 46 53 41 -22 -30 19 24 -30 47 50 -27 31 37 -33 32 22 140 0 0 -32 15 29 10 5 2 52 40 -21 -32 1 38 -32 29 18 -29 18 30 -35 9 27 139 0 0 -33 52 8 10 5 17 50 40 -20 -33 38 40 -34 5 35 -30 59 56 -36 41 34 138 0 0 -35 23 52 10 5 31 48 40 -19 -35 10 44 -35 36 58 -32 36 13 -38 8 57 137 0 0 -36 50 56 10 5 43 47 41 -18 -36 38 8 -37 3 42 -34 7 37 -39 31 53 136 0 0 -38 13 35 10 5 55 45 41 -17 -38 1 7 -38 26 2 -35 34 23 -40 50 35 135 0 0 -39 32 4 10 6 7 44 41 -16 -39 19 54 -39 44 13 -36 56 48 -42 5 18 134 0 0 -40 46 36 10 6 17 42 42 -15 -40 34 44 -40 58 28 -38 15 5 -43 16 14 133 0 0 -41 57 26 10 6 27 41 42 -15 -41 45 50 -42 9 1 -39 29 28 -44 23 37 132 0 0 -43 4 44 10 6 36 40 42 -14 -42 53 24 -43 16 4 -40 40 9 -45 27 39 131 0 0 -44 8 44 10 6 45 38 43 -13 -43 57 39 -44 19 48 -41 47 23 -46 28 31 130 0 0 -45 9 35 10 6 53 37 43 -12 -44 58 45 -45 20 26 -42 51 19 -47 26 23 129 0 0 -46 7 30 10 7 0 36 44 -11 -45 56 52 -46 18 6 -43 52 10 -48 21 26 128 0 0 -47 2 36 10 7 7 35 45 -11 -46 52 12 -47 13 0 -44 50 4 -49 13 49 127 0 0 -47 55 4 10 7 14 34 45 -10 -47 44 53 -48 5 16 -45 45 13 -50 3 41 126 0 0 -48 45 3 10 7 20 33 46 -9 -48 35 3 -48 55 2 -46 37 44 -50 51 11 125 0 0 -49 32 40 10 7 26 32 47 -9 -49 22 52 -49 42 28 -47 27 47 -51 36 25 124 0 0 -50 18 3 10 7 31 31 47 -8 -50 8 26 -50 27 40 -48 15 29 -52 19 32 123 0 0 -51 1 20 10 7 36 30 48 -7 -50 51 53 -51 10 46 -49 0 59 -53 0 39 122 0 0 -51 42 36 10 7 41 29 49 -7 -51 33 19 -51 51 53 -49 44 22 -53 39 51 121 0 0 -52 21 58 10 7 45 28 49 -6 -52 12 51 -52 31 6 -50 25 46 -54 17 15 120 0 0 -52 59 33 10 7 50 27 50 -5 -52 50 34 -53 8 31 -51 5 16 -54 52 56 119 0 0 -53 35 25 10 7 54 26 51 -5 -53 26 35 -53 44 15 -51 42 59 -55 26 59 118 0 0 -54 9 40 10 7 57 25 52 -4 -54 0 58 -54 18 21 -52 19 0 -55 59 30 117 0 0 -54 42 22 10 8 1 25 52 -4 -54 33 48 -54 50 55 -52 53 23 -56 30 33 116 0 0 -55 13 36 10 8 4 24 53 -3 -55 5 10 -55 22 2 -53 26 13 -57 0 12 115 0 0 -55 43 26 10 8 8 23 54 -3 -55 35 7 -55 51 45 -53 57 36 -57 28 32 114 0 0 -56 11 56 10 8 11 22 55 -2 -56 3 44 -56 20 8 -54 27 34 -57 55 35 113 0 0 -56 39 10 10 8 13 22 55 -2 -56 31 5 -56 47 16 -54 56 13 -58 21 26 112 0 0 -57 5 11 10 8 16 21 56 -1 -56 57 12 -57 13 10 -55 23 35 -58 46 8 111 0 0 -57 30 3 10 8 19 20 57 -1 -57 22 10 -57 37 56 -55 49 43 -59 9 44 110 0 0 -57 53 48 10 8 21 20 58 0 -57 46 1 -58 1 35 -56 14 42 -59 32 16 Uncertainty in time = +/- 13 secs Prediction of 2012 Jul 21.0 Data for the target star ------------------------ * name: TYC 5162-01378-1 * constellation : Aquila * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 20 18 33.8492 DE: -01 00 47.847 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .023, .025 ) * V mag [mag]: 10.2 * B mag [mag]: 11.7 * Diameter [mas]: 0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (5889) Mickiewicz approx. diameter [km]: 23 approx. diameter ["]: .014 distance from Earth [AU]: 2.21100 * orbital information: orbit source: Preston date of fit: 2012 Jul 21 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 715 number of rejected observations: 8 time covered by the observations: 1979 Mar 31 - 2012 Jun 30 1 sigma uncertainty ellipse (major, minor, PA): 0.080, 0.059, 88° remarks: * orbital elements for (5889) Mickiewicz : Mean anomaly = 77.32076353 deg Arg. of pericenter = 40.40373346 deg Long. of node = 182.12733065 deg Inclination = 19.17927254 deg Eccentricity = 0.15928939 Semimajor axis = 3.04466100 AU Perihelion dist = 2.55967881 AU Mag: H = 12.06, G = 0.15 Epoch of elements : MJD 56180.41600000 TDT (2012 Sep 10.416) ------ occelmnt file for Occult BEGIN ----------------------------------- 2012 Sep 10 5889 Mickiewicz 9h 59.2m UT 10.2 20 18 33.849- 1 0 47.85TYC 5162-01378-1 11.7 16.9 23 2.1 2.211 -0.404 -23.04 165.0096 -1.007 29.43 4.70 9.9859 -0.19066 0.05028 -1.52774 -5.79391 0.00397 -0.00041 2000 77.2435872012 910.00000 40.403733182.127331 19.1792730.15928939 3.0446610 2.559678812.0 5.00.15 RATE 1.8552210 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.083 0.064 88 6.84 0.084 0 0 2 3 056129.0020120910_1378-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2012 Jul 21, 15:28 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org