IOTA/IOTA-ES occultation update for (479) Caprera / TYC 5752-01449-1 event on 2008 Jul 04, 09:28 UT Visible from USA, Mexico Summary ------- On 2008 Jul 04 UT, the 54 km diameter asteroid (479) Caprera will occult a 11.6 mag star in the constellation Capricornus for observers along a path across USA, Mexico. In the case of an occultation, the combined light of the asteroid and the star will drop by 2.2 mag to 13.7 mag (the magnitude of the asteroid) for at most 5.2 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: 82 * date and approx. time of event: 2008 Jul 04, 09:21 - 2008 Jul 04, 09:36 UT * magnitude of target star: 11.6 * magnitude drop [mag]: 2.2 * estimated maximum duration [s]: 5.2 * Moon: 2 % sunlit, 174° distance * Sun: 159° distance * rough path description: USA, Mexico The occultation path -------------------- * approximate projected width [km]: 68 * 1 sigma uncertainty interval [path widths]: +/- 0.65 * 1 sigma uncertainty interval [seconds]: +/- 4.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .037 +/- .025) * 1 sigma uncertainty ellipse (major, minor, PA): ( .037", .025", 88° ) * approx speed of asteroid's shadow [km/s]: 10.3076 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5752-01449-1 by 479 Caprera on 2008 Jul 4 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 152 0 0 14 26 51 9 36 52 1 106 -16 14 46 8 14 7 40 15 11 20 .. .. .. 153 0 0 14 11 18 9 36 52 2 106 -17 14 30 32 13 52 10 14 55 39 .. .. .. 154 0 0 13 56 19 9 36 51 3 106 -18 14 15 30 13 37 14 14 40 33 .. .. .. 155 0 0 13 41 54 9 36 51 4 106 -19 14 1 1 13 22 51 14 26 1 12 58 13 156 0 0 13 28 3 9 36 50 5 107 -20 13 47 7 13 9 3 14 12 3 12 44 29 157 0 0 13 14 46 9 36 49 6 107 -21 13 33 48 12 55 49 13 58 40 12 31 18 158 0 0 13 2 3 9 36 47 7 107 -22 13 21 2 12 43 8 13 45 51 12 18 41 159 0 0 12 49 54 9 36 46 7 107 -23 13 8 51 12 31 2 13 33 36 12 6 38 160 0 0 12 38 20 9 36 44 8 107 -24 12 57 14 12 19 30 13 21 56 11 55 9 161 0 0 12 27 20 9 36 42 9 108 -25 12 46 12 12 8 32 13 10 51 11 44 14 162 0 0 12 16 54 9 36 39 10 108 -26 12 35 43 11 58 8 13 0 20 11 33 53 163 0 0 12 7 2 9 36 37 11 108 -27 12 25 50 11 48 19 12 50 23 11 24 6 164 0 0 11 57 44 9 36 34 12 108 -28 12 16 30 11 39 3 12 41 1 11 14 53 165 0 0 11 49 1 9 36 31 13 109 -28 12 7 45 11 30 22 12 32 13 11 6 14 166 0 0 11 40 52 9 36 28 14 109 -29 11 59 34 11 22 14 12 24 0 10 58 9 167 0 0 11 33 17 9 36 25 15 109 -30 11 51 57 11 14 41 12 16 21 10 50 37 168 0 0 11 26 16 9 36 21 16 109 -31 11 44 55 11 7 42 12 9 16 10 43 40 169 0 0 11 19 49 9 36 17 17 110 -32 11 38 26 11 1 16 12 2 46 10 37 16 170 0 0 11 13 56 9 36 13 18 110 -33 11 32 32 10 55 25 11 56 50 10 31 27 171 0 0 11 8 37 9 36 9 19 110 -34 11 27 12 10 50 7 11 51 28 10 26 10 172 0 0 11 3 52 9 36 5 20 110 -34 11 22 26 10 45 23 11 46 41 10 21 28 173 0 0 10 59 41 9 36 0 21 111 -35 11 18 14 10 41 13 11 42 27 10 17 19 174 0 0 10 56 4 9 35 55 22 111 -36 11 14 36 10 37 37 11 38 48 10 13 44 175 0 0 10 53 0 9 35 51 23 111 -37 11 11 31 10 34 34 11 35 43 10 10 42 176 0 0 10 50 31 9 35 45 24 112 -38 11 9 1 10 32 5 11 33 11 10 8 14 177 0 0 10 48 34 9 35 40 25 112 -38 11 7 4 10 30 9 11 31 13 10 6 19 178 0 0 10 47 12 9 35 35 25 112 -39 11 5 41 10 28 47 11 29 50 10 4 58 179 0 0 10 46 23 9 35 29 26 113 -40 11 4 51 10 27 58 11 29 0 10 4 9 180 0 0 10 46 7 9 35 23 27 113 -40 11 4 35 10 27 43 11 28 43 10 3 54 -179 0 0 10 46 24 9 35 17 28 113 -41 11 4 53 10 28 1 11 29 0 10 4 12 -178 0 0 10 47 15 9 35 11 29 114 -42 11 5 43 10 28 51 11 29 51 10 5 3 -177 0 0 10 48 39 9 35 4 30 114 -42 11 7 7 10 30 15 11 31 15 10 6 27 -176 0 0 10 50 36 9 34 58 31 115 -43 11 9 5 10 32 12 11 33 13 10 8 24 -175 0 0 10 53 6 9 34 51 31 115 -44 11 11 35 10 34 42 11 35 43 10 10 54 -174 0 0 10 56 10 9 34 44 32 116 -44 11 14 39 10 37 45 11 38 47 10 13 56 -173 0 0 10 59 46 9 34 37 33 116 -45 11 18 15 10 41 21 11 42 24 10 17 31 -172 0 0 11 3 54 9 34 30 34 117 -46 11 22 24 10 45 29 11 46 34 10 21 38 -171 0 0 11 8 36 9 34 23 35 117 -46 11 27 6 10 50 10 11 51 17 10 26 18 -170 0 0 11 13 50 9 34 15 36 118 -47 11 32 21 10 55 23 11 56 33 10 31 31 -169 0 0 11 19 36 9 34 8 36 118 -47 11 38 8 11 1 8 12 2 21 10 37 15 -168 0 0 11 25 55 9 34 0 37 119 -48 11 44 28 11 7 26 12 8 42 10 43 32 -167 0 0 11 32 46 9 33 52 38 119 -48 11 51 20 11 14 17 12 15 36 10 50 21 -166 0 0 11 40 10 9 33 44 39 120 -48 11 58 45 11 21 39 12 23 2 10 57 41 -165 0 0 11 48 5 9 33 36 39 121 -49 12 6 42 11 29 33 12 31 0 11 5 34 -164 0 0 11 56 33 9 33 27 40 121 -49 12 15 11 11 37 59 12 39 31 11 13 59 -163 0 0 12 5 32 9 33 19 41 122 -50 12 24 11 11 46 57 12 48 34 11 22 55 -162 0 0 12 15 3 9 33 10 42 123 -50 12 33 44 11 56 27 12 58 8 11 32 22 -161 0 0 12 25 6 9 33 2 42 124 -50 12 43 48 12 6 28 13 8 15 11 42 21 -160 0 0 12 35 40 9 32 53 43 125 -51 12 54 24 12 17 0 13 18 53 11 52 51 -159 0 0 12 46 45 9 32 44 44 125 -51 13 5 31 12 28 4 13 30 3 12 3 53 -158 0 0 12 58 22 9 32 35 44 126 -51 13 17 10 12 39 39 13 41 44 12 15 25 -157 0 0 13 10 30 9 32 26 45 127 -51 13 29 20 12 51 44 13 53 56 12 27 29 -156 0 0 13 23 9 9 32 17 46 128 -51 13 42 1 13 4 21 14 6 40 12 40 3 -155 0 0 13 36 18 9 32 7 46 129 -51 13 55 12 13 17 29 14 19 55 12 53 7 -154 0 0 13 49 58 9 31 58 47 130 -52 14 8 55 13 31 6 14 33 40 13 6 42 -153 0 0 14 4 9 9 31 48 47 131 -52 14 23 8 13 45 15 14 47 56 13 20 48 -152 0 0 14 18 50 9 31 39 48 132 -52 14 37 51 13 59 53 15 2 43 13 35 23 -151 0 0 14 34 1 9 31 29 48 134 -52 14 53 5 14 15 2 15 17 59 13 50 28 -150 0 0 14 49 42 9 31 19 49 135 -52 15 8 48 14 30 40 15 33 46 14 6 3 -149 0 0 15 5 52 9 31 9 49 136 -51 15 25 1 14 46 48 15 50 3 14 22 8 -148 0 0 15 22 32 9 30 59 50 137 -51 15 41 44 15 3 25 16 6 50 14 38 41 -147 0 0 15 39 41 9 30 49 50 139 -51 15 58 56 15 20 31 16 24 6 14 55 44 -146 0 0 15 57 20 9 30 39 50 140 -51 16 16 37 15 38 7 16 41 51 15 13 16 -145 0 0 16 15 27 9 30 29 51 141 -51 16 34 47 15 56 11 17 0 5 15 31 16 -144 0 0 16 34 2 9 30 19 51 143 -51 16 53 26 16 14 43 17 18 47 15 49 44 -143 0 0 16 53 6 9 30 8 51 144 -50 17 12 33 16 33 44 17 37 58 16 8 41 -142 0 0 17 12 38 9 29 58 52 146 -50 17 32 8 16 53 12 17 57 38 16 28 6 -141 0 0 17 32 37 9 29 48 52 147 -50 17 52 11 17 13 9 18 17 45 16 47 58 -140 0 0 17 53 4 9 29 37 52 149 -49 18 12 41 17 33 32 18 38 19 17 8 17 -139 0 0 18 13 57 9 29 27 52 150 -49 18 33 38 17 54 22 18 59 21 17 29 3 -138 0 0 18 35 18 9 29 16 52 152 -49 18 55 2 18 15 39 19 20 50 17 50 15 -137 0 0 18 57 5 9 29 6 53 153 -48 19 16 52 18 37 23 19 42 45 18 11 54 -136 0 0 19 19 18 9 28 55 53 155 -48 19 39 9 18 59 32 20 5 6 18 33 59 -135 0 0 19 41 56 9 28 45 53 156 -47 20 1 51 19 22 7 20 27 53 18 56 29 -134 0 0 20 5 0 9 28 34 53 158 -47 20 24 58 19 45 7 20 51 5 19 19 24 -133 0 0 20 28 28 9 28 24 53 160 -46 20 48 30 20 8 31 21 14 42 19 42 44 -132 0 0 20 52 21 9 28 13 53 161 -46 21 12 27 20 32 20 21 38 44 20 6 28 -131 0 0 21 16 37 9 28 2 52 163 -45 21 36 47 20 56 33 22 3 10 20 30 36 -130 0 0 21 41 17 9 27 52 52 164 -44 22 1 31 21 21 9 22 27 59 20 55 7 -129 0 0 22 6 20 9 27 41 52 166 -44 22 26 38 21 46 8 22 53 11 21 20 2 -128 0 0 22 31 46 9 27 31 52 168 -43 22 52 7 22 11 30 23 18 45 21 45 18 -127 0 0 22 57 33 9 27 20 52 169 -42 23 17 59 22 37 13 23 44 42 22 10 56 -126 0 0 23 23 41 9 27 10 51 171 -42 23 44 11 23 3 18 24 11 0 22 36 56 -125 0 0 23 50 11 9 27 0 51 172 -41 24 10 45 23 29 43 24 37 38 23 3 16 -124 0 0 24 17 0 9 26 49 51 174 -40 24 37 38 23 56 28 25 4 37 23 29 56 -123 0 0 24 44 9 9 26 39 50 175 -40 25 4 51 24 23 33 25 31 56 23 56 56 -122 0 0 25 11 37 9 26 29 50 177 -39 25 32 23 24 50 57 25 59 33 24 24 15 -121 0 0 25 39 23 9 26 19 50 178 -38 26 0 14 25 18 40 26 27 29 24 51 52 -120 0 0 26 7 27 9 26 9 49 180 -37 26 28 22 25 46 39 26 55 42 25 19 47 -119 0 0 26 35 48 9 25 59 49 181 -37 26 56 46 26 14 56 27 24 13 25 47 59 -118 0 0 27 4 25 9 25 49 48 182 -36 27 25 27 26 43 29 27 52 59 26 16 27 -117 0 0 27 33 17 9 25 39 48 184 -35 27 54 24 27 12 18 28 22 1 26 45 10 -116 0 0 28 2 24 9 25 29 47 185 -34 28 23 35 27 41 21 28 51 17 27 14 8 -115 0 0 28 31 45 9 25 19 46 186 -33 28 53 0 28 10 38 29 20 47 27 43 20 -114 0 0 29 1 20 9 25 10 46 188 -32 29 22 38 28 40 8 29 50 31 28 12 46 -113 0 0 29 31 6 9 25 0 45 189 -32 29 52 28 29 9 51 30 20 26 28 42 23 -112 0 0 30 1 4 9 24 51 45 190 -31 30 22 30 29 39 45 30 50 33 29 12 13 -111 0 0 30 31 13 9 24 42 44 191 -30 30 52 43 30 9 50 31 20 50 29 42 13 -110 0 0 31 1 31 9 24 33 43 193 -29 31 23 5 30 40 5 31 51 17 30 12 23 -109 0 0 31 31 59 9 24 24 43 194 -28 31 53 36 31 10 29 32 21 53 30 42 43 -108 0 0 32 2 34 9 24 15 42 195 -27 32 24 15 31 41 1 32 52 37 31 13 10 -107 0 0 32 33 16 9 24 6 41 196 -26 32 55 1 32 11 40 33 23 27 31 43 45 -106 0 0 33 4 5 9 23 58 40 197 -26 33 25 53 32 42 25 33 54 24 32 14 26 -105 0 0 33 34 59 9 23 49 40 198 -25 33 56 50 33 13 16 34 25 25 32 45 12 -104 0 0 34 5 57 9 23 41 39 199 -24 34 27 51 33 44 11 34 56 31 33 16 3 -103 0 0 34 36 59 9 23 33 38 200 -23 34 58 56 34 15 9 35 27 40 33 46 58 -102 0 0 35 8 2 9 23 25 38 201 -22 35 30 3 34 46 10 35 58 50 34 17 55 -101 0 0 35 39 8 9 23 17 37 202 -21 36 1 11 35 17 13 36 30 2 34 48 54 -100 0 0 36 10 14 9 23 10 36 203 -20 36 32 19 35 48 16 37 1 14 35 19 54 - 99 0 0 36 41 19 9 23 3 35 204 -19 37 3 27 36 19 19 37 32 26 35 50 54 - 98 0 0 37 12 23 9 22 55 34 205 -18 37 34 33 36 50 20 38 3 35 36 21 52 - 97 0 0 37 43 24 9 22 48 34 206 -18 38 5 37 37 21 19 38 34 42 36 52 49 - 96 0 0 38 14 22 9 22 41 33 207 -17 38 36 37 37 52 15 39 5 45 37 23 42 - 95 0 0 38 45 16 9 22 35 32 208 -16 39 7 32 38 23 7 39 36 43 37 54 31 - 94 0 0 39 16 4 9 22 28 31 208 -15 39 38 22 38 53 53 40 7 35 38 25 15 - 93 0 0 39 46 46 9 22 22 30 209 -14 40 9 6 39 24 34 40 38 21 38 55 54 - 92 0 0 40 17 21 9 22 16 30 210 -13 40 39 42 39 55 7 41 8 59 39 26 25 - 91 0 0 40 47 47 9 22 10 29 211 -12 41 10 10 40 25 32 41 39 28 39 56 49 - 90 0 0 41 18 5 9 22 4 28 212 -11 41 40 28 40 55 49 42 9 48 40 27 4 - 89 0 0 41 48 12 9 21 59 27 213 -10 42 10 37 41 25 56 42 39 58 40 57 10 - 88 0 0 42 18 9 9 21 53 26 213 -10 42 40 34 41 55 52 43 9 56 41 27 5 - 87 0 0 42 47 54 9 21 48 25 214 -9 43 10 20 42 25 36 43 39 42 41 56 49 - 86 0 0 43 17 26 9 21 43 25 215 -8 43 39 53 42 55 8 44 9 15 42 26 21 - 85 0 0 43 46 45 9 21 38 24 216 -7 44 9 12 43 24 27 44 38 34 42 55 40 - 84 0 0 44 15 50 9 21 34 23 217 -6 44 38 17 43 53 32 45 7 39 43 24 45 - 83 0 0 44 44 41 9 21 29 22 218 -5 45 7 6 44 22 23 45 36 29 43 53 35 - 82 0 0 45 13 15 9 21 25 21 218 -4 45 35 40 44 50 58 46 5 2 44 22 11 - 81 0 0 45 41 33 9 21 21 21 219 -4 46 3 58 45 19 16 46 33 19 44 50 31 - 80 0 0 46 9 34 9 21 17 20 220 -3 46 31 58 45 47 18 47 1 18 45 18 34 - 79 0 0 46 37 18 9 21 13 19 221 -2 46 59 40 46 15 3 47 28 59 45 46 19 - 78 0 0 47 4 43 9 21 10 18 221 -1 47 27 4 46 42 29 47 56 21 46 13 47 - 77 0 0 47 31 49 9 21 6 17 222 0 47 54 9 47 9 37 48 23 24 46 40 57 Uncertainty in time = +/- 5 secs [Prediction of 2008 Jun 29.0] Data for the target star ------------------------ * name: TYC 5752-01449-1 * constellation : Capricornus * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 20 17 32.1207 DE: -14 56 27.937 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .030, .021 ) * V mag [mag]: 11.6 * B mag [mag]: 13.0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (479) Caprera approx. diameter [km]: 54 approx. diameter ["]: .041 distance from Earth [AU]: 1.83100 * orbital information: orbit source: Preston date of fit: 2008 Jun 29 source of used astrometry: FASTT TMO MPC (via Astdys) number of used observations: 786 number of rejected observations: 91 time covered by the observations: 1901 Nov 12 - 2008 Jun 26 1 sigma uncertainty ellipse (major, minor, PA): 0.022, 0.014, 85° remarks: * orbital elements for (479) Caprera : Mean anomaly = 274.56818369 deg Arg. of pericenter = 269.54409516 deg Long. of node = 136.08775965 deg Inclination = 8.67701415 deg Eccentricity = 0.21682780 Semimajor axis = 2.72390118 AU Perihelion dist = 2.13328367 AU Mag: H = 9.60, G = 0.15 Epoch of elements : MJD 54651.39500000 TDT (2008 Jul 04.395) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Jul 4 479 Caprera 9h 28.7m UT 11.6 20 17 32.121-14 56 27.94TYC 5752-01449-1 13.0 13.7 54 5.2 1.831 -1.785 -10.62 -120.5496 -14.937 38.95 22.83 9.4778 -0.22987 0.56111 -5.38185 -2.20994 -0.00180 -0.00085 2000 274.2623462008 7 3.00000269.544095136.087760 8.6770140.21682780 2.7239012 2.1332837 9.6 5.00.15 RATE 2.1923860 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.037 0.025 88 1.65 0.027 0 54646.5020080704_1449-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Jun 29, 15:32 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org