IOTA/IOTA-ES occultation update for (479) Caprera / TYC 0744-01509-1 event on 2009 Oct 03, 08:56 UT Visible from Summary ------- On 2009 Oct 03 UT, the 54 km diameter asteroid (479) Caprera will occult a 8.9 mag star in the constellation Gemini for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 4.9 mag to 13.8 mag (the magnitude of the asteroid) for at most 3.3 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: 73 * date and approx. time of event: 2009 Oct 03, 08:51 - 2009 Oct 03, 08:56 UT * magnitude of target star: 8.9 * magnitude drop [mag]: 4.9 * estimated maximum duration [s]: 3.3 * Moon: 99 % sunlit, 98° distance * Sun: 94° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 69 * 1 sigma uncertainty interval [path widths]: +/- 0.78 * 1 sigma uncertainty interval [seconds]: +/- 3.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .039 +/- .031) * 1 sigma uncertainty ellipse (major, minor, PA): ( .039", .031", 86° ) * approx speed of asteroid's shadow [km/s]: 16.5407 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 0744-01509-1 by 479 Caprera on 2009 Oct 3 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 -153 0 0 46 21 40 8 51 32 0 70 -45 46 1 37 46 41 49 .. .. .. 47 13 28 -152 0 0 46 37 0 8 51 32 1 71 -45 46 16 58 46 57 8 .. .. .. 47 28 44 -151 0 0 46 52 8 8 51 32 2 71 -45 46 32 8 47 12 15 .. .. .. 47 43 50 -150 0 0 47 7 6 8 51 33 2 72 -45 46 47 7 47 27 12 .. .. .. 47 58 45 -149 0 0 47 21 53 8 51 33 3 73 -45 47 1 55 47 41 58 46 30 57 48 13 29 -148 0 0 47 36 29 8 51 33 4 74 -45 47 16 32 47 56 32 46 45 36 48 28 2 -147 0 0 47 50 54 8 51 34 5 74 -45 47 30 58 48 10 56 47 0 4 48 42 23 -146 0 0 48 5 7 8 51 34 5 75 -45 47 45 12 48 25 7 47 14 20 48 56 32 -145 0 0 48 19 8 8 51 35 6 76 -45 47 59 15 48 39 7 47 28 24 49 10 30 -144 0 0 48 32 57 8 51 36 7 76 -45 48 13 5 48 52 55 47 42 17 49 24 16 -143 0 0 48 46 35 8 51 36 7 77 -45 48 26 44 49 6 31 47 55 58 49 37 50 -142 0 0 49 0 0 8 51 37 8 78 -45 48 40 11 49 19 55 48 9 27 49 51 11 -141 0 0 49 13 13 8 51 38 9 79 -45 48 53 25 49 33 6 48 22 43 50 4 20 -140 0 0 49 26 13 8 51 39 9 80 -45 49 6 27 49 46 5 48 35 48 50 17 17 -139 0 0 49 39 1 8 51 40 10 80 -44 49 19 16 49 58 52 48 48 39 50 30 1 -138 0 0 49 51 36 8 51 41 11 81 -44 49 31 53 50 11 25 49 1 18 50 42 32 -137 0 0 50 3 59 8 51 42 11 82 -44 49 44 17 50 23 46 49 13 45 50 54 50 -136 0 0 50 16 8 8 51 43 12 83 -44 49 56 28 50 35 54 49 25 58 51 6 56 -135 0 0 50 28 5 8 51 45 13 83 -44 50 8 26 50 47 49 49 37 59 51 18 48 -134 0 0 50 39 49 8 51 46 13 84 -43 50 20 11 50 59 31 49 49 46 51 30 28 -133 0 0 50 51 19 8 51 47 14 85 -43 50 31 43 51 11 0 50 1 21 51 41 54 -132 0 0 51 2 36 8 51 49 15 86 -43 50 43 2 51 22 16 50 12 42 51 53 7 -131 0 0 51 13 40 8 51 50 15 87 -43 50 54 8 51 33 18 50 23 50 52 4 7 -130 0 0 51 24 31 8 51 52 16 88 -43 51 5 0 51 44 7 50 34 44 52 14 53 -129 0 0 51 35 8 8 51 53 17 88 -42 51 15 39 51 54 43 50 45 26 52 25 27 -128 0 0 51 45 32 8 51 55 17 89 -42 51 26 4 52 5 5 50 55 54 52 35 46 -127 0 0 51 55 42 8 51 57 18 90 -42 51 36 16 52 15 14 51 6 8 52 45 52 -126 0 0 52 5 39 8 51 58 18 91 -41 51 46 15 52 25 9 51 16 9 52 55 45 -125 0 0 52 15 22 8 52 0 19 92 -41 51 56 0 52 34 51 51 25 56 53 5 24 -124 0 0 52 24 52 8 52 2 20 93 -41 52 5 31 52 44 19 51 35 30 53 14 50 -123 0 0 52 34 8 8 52 4 20 93 -40 52 14 49 52 53 33 51 44 50 53 24 2 -122 0 0 52 43 11 8 52 6 21 94 -40 52 23 53 53 2 34 51 53 56 53 33 0 -121 0 0 52 52 0 8 52 8 22 95 -40 52 32 43 53 11 21 52 2 49 53 41 45 -120 0 0 53 0 35 8 52 10 22 96 -39 52 41 20 53 19 55 52 11 28 53 50 16 -119 0 0 53 8 56 8 52 12 23 97 -39 52 49 43 53 28 15 52 19 54 53 58 34 -118 0 0 53 17 4 8 52 14 23 98 -39 52 57 52 53 36 21 52 28 5 54 6 38 -117 0 0 53 24 58 8 52 16 24 99 -38 53 5 48 53 44 14 52 36 3 54 14 28 -116 0 0 53 32 39 8 52 18 24 100 -38 53 13 30 53 51 53 52 43 47 54 22 5 -115 0 0 53 40 6 8 52 21 25 101 -38 53 20 58 53 59 19 52 51 18 54 29 28 -114 0 0 53 47 19 8 52 23 26 102 -37 53 28 12 54 6 30 52 58 34 54 36 37 -113 0 0 53 54 18 8 52 25 26 102 -37 53 35 13 54 13 28 53 5 37 54 43 33 -112 0 0 54 1 4 8 52 27 27 103 -36 53 42 0 54 20 13 53 12 26 54 50 16 -111 0 0 54 7 36 8 52 30 27 104 -36 53 48 34 54 26 44 53 19 2 54 56 44 -110 0 0 54 13 55 8 52 32 28 105 -36 53 54 54 54 33 1 53 25 24 55 2 59 -109 0 0 54 19 59 8 52 35 28 106 -35 54 1 0 54 39 4 53 31 32 55 9 1 -108 0 0 54 25 51 8 52 37 29 107 -35 54 6 52 54 44 54 53 37 26 55 14 49 -107 0 0 54 31 28 8 52 40 29 108 -34 54 12 31 54 50 31 53 43 6 55 20 23 -106 0 0 54 36 52 8 52 42 30 109 -34 54 17 56 54 55 54 53 48 33 55 25 44 -105 0 0 54 42 3 8 52 45 30 110 -34 54 23 7 55 1 3 53 53 46 55 30 52 -104 0 0 54 46 59 8 52 47 31 111 -33 54 28 5 55 5 58 53 58 46 55 35 46 -103 0 0 54 51 42 8 52 50 31 112 -33 54 32 49 55 10 41 54 3 32 55 40 26 -102 0 0 54 56 12 8 52 53 32 113 -32 54 37 20 55 15 9 54 8 4 55 44 53 -101 0 0 55 0 28 8 52 55 32 114 -32 54 41 37 55 19 24 54 12 22 55 49 7 -100 0 0 55 4 31 8 52 58 33 115 -31 54 45 41 55 23 26 54 16 27 55 53 7 - 99 0 0 55 8 20 8 53 1 33 116 -31 54 49 30 55 27 14 54 20 18 55 56 54 - 98 0 0 55 11 55 8 53 4 34 117 -31 54 53 7 55 30 49 54 23 56 56 0 27 - 97 0 0 55 15 17 8 53 7 34 118 -30 54 56 30 55 34 10 54 27 20 56 3 47 - 96 0 0 55 18 26 8 53 9 35 119 -30 54 59 39 55 37 18 54 30 30 56 6 54 - 95 0 0 55 21 21 8 53 12 35 120 -29 55 2 35 55 40 12 54 33 27 56 9 47 - 94 0 0 55 24 3 8 53 15 36 121 -29 55 5 17 55 42 53 54 36 10 56 12 27 - 93 0 0 55 26 31 8 53 18 36 123 -28 55 7 46 55 45 21 54 38 40 56 14 54 - 92 0 0 55 28 46 8 53 21 37 124 -28 55 10 1 55 47 35 54 40 56 56 17 7 - 91 0 0 55 30 47 8 53 24 37 125 -27 55 12 3 55 49 36 54 42 59 56 19 7 - 90 0 0 55 32 35 8 53 27 38 126 -27 55 13 51 55 51 23 54 44 48 56 20 54 - 89 0 0 55 34 9 8 53 30 38 127 -26 55 15 26 55 52 57 54 46 23 56 22 27 - 88 0 0 55 35 30 8 53 33 39 128 -26 55 16 47 55 54 18 54 47 45 56 23 48 - 87 0 0 55 36 38 8 53 36 39 129 -25 55 17 55 55 55 25 54 48 53 56 24 54 - 86 0 0 55 37 32 8 53 40 39 130 -25 55 18 50 55 56 19 54 49 48 56 25 48 - 85 0 0 55 38 13 8 53 43 40 132 -24 55 19 30 55 57 0 54 50 29 56 26 28 - 84 0 0 55 38 40 8 53 46 40 133 -24 55 19 58 55 57 27 54 50 57 56 26 55 - 83 0 0 55 38 54 8 53 49 41 134 -23 55 20 12 55 57 41 54 51 11 56 27 9 - 82 0 0 55 38 55 8 53 52 41 135 -23 55 20 13 55 57 41 54 51 12 56 27 9 - 81 0 0 55 38 42 8 53 56 42 136 -22 55 20 0 55 57 29 54 50 59 56 26 57 - 80 0 0 55 38 15 8 53 59 42 137 -22 55 19 33 55 57 2 54 50 33 56 26 30 - 79 0 0 55 37 36 8 54 2 42 139 -21 55 18 53 55 56 23 54 49 53 56 25 51 - 78 0 0 55 36 42 8 54 6 43 140 -21 55 18 0 55 55 30 54 48 59 56 24 58 - 77 0 0 55 35 36 8 54 9 43 141 -20 55 16 53 55 54 23 54 47 52 56 23 52 - 76 0 0 55 34 16 8 54 13 43 142 -20 55 15 33 55 53 3 54 46 31 56 22 33 - 75 0 0 55 32 42 8 54 16 44 144 -19 55 13 59 55 51 30 54 44 57 56 21 0 - 74 0 0 55 30 55 8 54 19 44 145 -19 55 12 12 55 49 43 54 43 9 56 19 14 - 73 0 0 55 28 54 8 54 23 45 146 -18 55 10 11 55 47 43 54 41 7 56 17 14 - 72 0 0 55 26 40 8 54 26 45 148 -18 55 7 56 55 45 30 54 38 52 56 15 1 - 71 0 0 55 24 13 8 54 30 45 149 -17 55 5 28 55 43 2 54 36 23 56 12 35 - 70 0 0 55 21 31 8 54 34 46 150 -17 55 2 46 55 40 22 54 33 40 56 9 55 - 69 0 0 55 18 37 8 54 37 46 151 -16 54 59 51 55 37 28 54 30 44 56 7 2 - 68 0 0 55 15 28 8 54 41 46 153 -16 54 56 42 55 34 20 54 27 34 56 3 55 - 67 0 0 55 12 6 8 54 44 46 154 -15 54 53 19 55 30 59 54 24 10 56 0 35 - 66 0 0 55 8 31 8 54 48 47 156 -14 54 49 43 55 27 24 54 20 33 55 57 2 - 65 0 0 55 4 41 8 54 52 47 157 -14 54 45 53 55 23 35 54 16 41 55 53 14 - 64 0 0 55 0 38 8 54 56 47 158 -13 54 41 49 55 19 33 54 12 36 55 49 14 - 63 0 0 54 56 22 8 54 59 48 160 -13 54 37 31 55 15 17 54 8 17 55 44 59 - 62 0 0 54 51 51 8 55 3 48 161 -12 54 33 0 55 10 48 54 3 44 55 40 31 - 61 0 0 54 47 7 8 55 7 48 163 -12 54 28 15 55 6 5 53 58 58 55 35 50 - 60 0 0 54 42 9 8 55 11 48 164 -11 54 23 16 55 1 8 53 53 57 55 30 55 - 59 0 0 54 36 58 8 55 15 49 165 -11 54 18 3 54 55 57 53 48 43 55 25 46 - 58 0 0 54 31 32 8 55 18 49 167 -10 54 12 36 54 50 33 53 43 15 55 20 23 - 57 0 0 54 25 53 8 55 22 49 168 -9 54 6 56 54 44 55 53 37 32 55 14 46 - 56 0 0 54 19 59 8 55 26 49 170 -9 54 1 1 54 39 2 53 31 36 55 8 56 - 55 0 0 54 13 52 8 55 30 49 171 -8 53 54 53 54 32 57 53 25 26 55 2 52 - 54 0 0 54 7 31 8 55 34 50 173 -8 53 48 31 54 26 37 53 19 2 54 56 34 - 53 0 0 54 0 56 8 55 38 50 174 -7 53 41 54 54 20 3 53 12 23 54 50 3 - 52 0 0 53 54 7 8 55 42 50 176 -6 53 35 4 54 13 15 53 5 31 54 43 17 - 51 0 0 53 47 4 8 55 46 50 177 -6 53 28 0 54 6 14 52 58 25 54 36 18 - 50 0 0 53 39 47 8 55 51 50 179 -5 53 20 41 53 58 58 52 51 4 54 29 4 - 49 0 0 53 32 16 8 55 55 50 181 -5 53 13 9 53 51 29 52 43 30 54 21 37 - 48 0 0 53 24 31 8 55 59 51 182 -4 53 5 23 53 43 45 52 35 41 54 13 56 - 47 0 0 53 16 32 8 56 3 51 184 -3 52 57 22 53 35 47 52 27 38 54 6 1 - 46 0 0 53 8 19 8 56 7 51 185 -3 52 49 8 53 27 36 52 19 21 53 57 51 - 45 0 0 52 59 52 8 56 11 51 187 -2 52 40 39 53 19 10 52 10 50 53 49 28 - 44 0 0 52 51 11 8 56 16 51 188 -2 52 31 56 53 10 31 52 2 5 53 40 51 - 43 0 0 52 42 15 8 56 20 51 190 -1 52 22 59 53 1 37 51 53 6 53 32 0 - 42 0 0 52 33 6 8 56 24 51 192 0 52 13 48 52 52 29 51 43 53 53 22 55 Uncertainty in time = +/- 3 secs [Prediction of 2008 Mar 20.0] Data for the target star ------------------------ * name: TYC 0744-01509-1 * constellation : Gemini * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 06 26 42.1295 DE: +13 56 05.013 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .027, .028 ) * V mag [mag]: 8.9 * B mag [mag]: 9.9 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (479) Caprera approx. diameter [km]: 54 approx. diameter ["]: .040 distance from Earth [AU]: 1.85700 * orbital information: orbit source: Preston date of fit: 2008 Mar 20 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 773 number of rejected observations: 90 time covered by the observations: 1901 Nov 12 - 2007 Sep 21 1 sigma uncertainty ellipse (major, minor, PA): 0.029, 0.012, 83° remarks: * orbital elements for (479) Caprera : Mean anomaly = 14.40349314 deg Arg. of pericenter = 269.76193147 deg Long. of node = 136.08597109 deg Inclination = 8.68045978 deg Eccentricity = 0.21639382 Semimajor axis = 2.72143820 AU Perihelion dist = 2.13253580 AU Mag: H = 9.60, G = 0.15 Epoch of elements : MJD 55107.37300000 TDT (2009 Oct 03.373) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Oct 3 479 Caprera 8h 56.5m UT 8.9 6 26 42.130 13 56 5.01TYC 0744-01509-1 9.9 13.8 54 3.3 1.857 2.999 -6.99 -49.6577 13.937 43.13 -4.08 8.9422 0.09916 0.61840 9.21870 -1.47558 -0.00537 0.00031 2000 12.7848522009 926.00000269.761931136.085971 8.6804600.21639382 2.7214382 2.1325358 9.6 5.00.15 RATE 2.1953630 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.039 0.031 86 1.78 0.031 0 54545.5020091003_1509-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Mar 20, 14:22 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org