IOTA/IOTA-ES occultation update for (359) Georgia / HIP 100068 event on 2007 Nov 02, 23:31 UT Visible from Caribbean Summary ------- On 2007 Nov 02 UT, the 44 km diameter asteroid (359) Georgia will occult a 9.0 mag star in the constellation Capricornus for observers along a path across Caribbean. In the case of an occultation, the combined light of the asteroid and the star will drop by 4.6 mag to 13.6 mag (the magnitude of the asteroid) for at most 1.8 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: . The event at a glimpse ---------------------- * Rank: 63 * date and approx. time of event: 2007 Nov 02, 23:27 - 2007 Nov 02, 23:35 UT * magnitude of target star: 9.0 * magnitude drop [mag]: 4.6 * estimated maximum duration [s]: 1.8 * Moon: 38 % sunlit, 157° distance * Sun: 81° distance * rough path description: Caribbean The occultation path -------------------- * approximate projected width [km]: 53 * 1 sigma uncertainty interval [path widths]: +/- 0.96 * 1 sigma uncertainty interval [seconds]: +/- 2.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .037 +/- .025) * 1 sigma uncertainty ellipse (major, minor, PA): ( .037", .025", 86° ) * approx speed of asteroid's shadow [km/s]: 23.8720 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 100068 by 359 Georgia on 2007 Nov 02 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 -173 0 0 11 33 19 23 27 46 1 115 63 11 17 30 11 49 12 .. .. .. 12 19 50 -172 0 0 11 6 45 23 27 46 2 115 64 10 51 0 11 22 34 .. .. .. 11 53 5 -171 0 0 10 40 49 23 27 47 3 115 64 10 25 7 10 56 34 .. .. .. 11 26 57 -170 0 0 10 15 30 23 27 47 4 116 64 9 59 52 10 31 11 .. .. .. 11 1 27 -169 0 0 9 50 50 23 27 48 5 116 64 9 35 16 10 6 27 9 5 30 10 36 36 -168 0 0 9 26 48 23 27 48 6 116 64 9 11 18 9 42 22 8 41 39 10 12 24 -167 0 0 9 3 26 23 27 49 7 116 64 8 47 58 9 18 56 8 18 26 9 48 51 -166 0 0 8 40 42 23 27 50 8 116 64 8 25 18 8 56 9 7 55 53 9 25 57 -165 0 0 8 18 38 23 27 51 9 116 64 8 3 18 8 34 2 7 33 58 9 3 43 -164 0 0 7 57 14 23 27 52 10 117 64 7 41 56 8 12 34 7 12 43 8 42 9 -163 0 0 7 36 29 23 27 53 11 117 64 7 21 15 7 51 46 6 52 8 8 21 16 -162 0 0 7 16 25 23 27 54 12 117 64 7 1 14 7 31 39 6 32 12 8 1 2 -161 0 0 6 57 1 23 27 55 13 117 64 6 41 53 7 12 12 6 12 57 7 41 29 -160 0 0 6 38 17 23 27 57 15 117 63 6 23 12 6 53 25 5 54 21 7 22 37 -159 0 0 6 20 14 23 27 58 16 117 63 6 5 11 6 35 19 5 36 26 7 4 26 -158 0 0 6 2 52 23 28 0 17 118 62 5 47 52 6 17 54 5 19 11 6 46 56 -157 0 0 5 46 10 23 28 2 18 118 62 5 31 12 6 1 10 5 2 37 6 30 6 -156 0 0 5 30 9 23 28 3 19 118 62 5 15 14 5 45 7 4 46 43 6 13 58 -155 0 0 5 14 49 23 28 5 20 118 61 4 59 57 5 29 45 4 31 30 5 58 32 -154 0 0 5 0 11 23 28 7 21 118 60 4 45 20 5 15 4 4 16 58 5 43 46 -153 0 0 4 46 13 23 28 9 22 118 60 4 31 25 5 1 4 4 3 7 5 29 42 -152 0 0 4 32 57 23 28 12 23 119 59 4 18 11 4 47 46 3 49 56 5 16 20 -151 0 0 4 20 22 23 28 14 24 119 59 4 5 37 4 35 9 3 37 27 5 3 39 -150 0 0 4 8 28 23 28 16 25 119 58 3 53 46 4 23 13 3 25 38 4 51 40 -149 0 0 3 57 16 23 28 19 26 119 57 3 42 35 4 11 59 3 14 31 4 40 23 -148 0 0 3 46 45 23 28 21 26 119 56 3 32 6 4 1 26 3 4 5 4 29 47 -147 0 0 3 36 55 23 28 24 27 120 56 3 22 18 3 51 35 2 54 20 4 19 53 -146 0 0 3 27 47 23 28 27 28 120 55 3 13 11 3 42 26 2 45 16 4 10 41 -145 0 0 3 19 21 23 28 29 29 120 54 3 4 46 3 33 58 2 36 53 4 2 11 -144 0 0 3 11 36 23 28 32 30 121 53 2 57 2 3 26 12 2 29 12 3 54 22 -143 0 0 3 4 33 23 28 35 31 121 53 2 50 0 3 19 8 2 22 11 3 47 16 -142 0 0 2 58 11 23 28 38 32 121 52 2 43 39 3 12 45 2 15 52 3 40 51 -141 0 0 2 52 31 23 28 41 33 122 51 2 38 0 3 7 4 2 10 15 3 35 9 -140 0 0 2 47 33 23 28 44 34 122 50 2 33 2 3 2 5 2 5 19 3 30 8 -139 0 0 2 43 16 23 28 48 35 122 49 2 28 46 2 57 48 2 1 4 3 25 50 -138 0 0 2 39 41 23 28 51 36 123 48 2 25 12 2 54 13 1 57 30 3 22 13 -137 0 0 2 36 48 23 28 54 37 123 47 2 22 19 2 51 19 1 54 38 3 19 19 -136 0 0 2 34 37 23 28 58 37 124 46 2 20 8 2 49 7 1 52 28 3 17 7 -135 0 0 2 33 7 23 29 1 38 124 46 2 18 39 2 47 38 1 50 59 3 15 37 -134 0 0 2 32 19 23 29 5 39 124 45 2 17 51 2 46 50 1 50 11 3 14 49 -133 0 0 2 32 13 23 29 9 40 125 44 2 17 45 2 46 44 1 50 5 3 14 43 -132 0 0 2 32 49 23 29 12 41 126 43 2 18 21 2 47 20 1 50 41 3 15 20 -131 0 0 2 34 7 23 29 16 42 126 42 2 19 39 2 48 39 1 51 58 3 16 38 -130 0 0 2 36 7 23 29 20 42 127 41 2 21 38 2 50 39 1 53 57 3 18 40 -129 0 0 2 38 49 23 29 24 43 127 40 2 24 20 2 53 21 1 56 37 3 21 23 -128 0 0 2 42 13 23 29 28 44 128 39 2 27 43 2 56 46 1 59 59 3 24 49 -127 0 0 2 46 20 23 29 32 45 129 38 2 31 49 3 0 53 2 4 3 3 28 57 -126 0 0 2 51 8 23 29 36 45 130 37 2 36 36 3 5 42 2 8 49 3 33 48 -125 0 0 2 56 38 23 29 40 46 130 36 2 42 6 3 11 14 2 14 17 3 39 22 -124 0 0 3 2 51 23 29 44 47 131 35 2 48 17 3 17 27 2 20 27 3 45 37 -123 0 0 3 9 46 23 29 49 48 132 34 2 55 11 3 24 24 2 27 18 3 52 36 -122 0 0 3 17 23 23 29 53 48 133 33 3 2 47 3 32 2 2 34 51 4 0 17 -121 0 0 3 25 43 23 29 57 49 134 32 3 11 5 3 40 23 2 43 7 4 8 41 -120 0 0 3 34 45 23 30 2 49 135 31 3 20 5 3 49 27 2 52 4 4 17 47 -119 0 0 3 44 29 23 30 6 50 136 30 3 29 48 3 59 13 3 1 44 4 27 36 -118 0 0 3 54 56 23 30 11 51 137 29 3 40 13 4 9 41 3 12 6 4 38 8 -117 0 0 4 6 5 23 30 15 51 138 28 3 51 21 4 20 52 3 23 10 4 49 23 -116 0 0 4 17 57 23 30 20 52 139 27 4 3 10 4 32 46 3 34 56 5 1 21 -115 0 0 4 30 31 23 30 24 52 141 26 4 15 42 4 45 22 3 47 24 5 14 1 -114 0 0 4 43 48 23 30 29 53 142 25 4 28 57 4 58 41 4 0 34 5 27 25 -113 0 0 4 57 47 23 30 34 53 143 24 4 42 54 5 12 43 4 14 27 5 41 31 -112 0 0 5 12 29 23 30 38 54 145 23 4 57 33 5 27 27 4 29 2 5 56 20 -111 0 0 5 27 53 23 30 43 54 146 22 5 12 55 5 42 54 4 44 19 6 11 52 -110 0 0 5 44 0 23 30 48 54 148 21 5 29 0 5 59 4 5 0 18 6 28 7 -109 0 0 6 0 50 23 30 53 55 149 20 5 45 46 6 15 56 5 16 59 6 45 4 -108 0 0 6 18 21 23 30 58 55 151 19 6 3 15 6 33 31 5 34 23 7 2 44 -107 0 0 6 36 35 23 31 3 55 152 18 6 21 26 6 51 48 5 52 28 7 21 7 -106 0 0 6 55 32 23 31 8 55 154 16 6 40 20 7 10 47 6 11 16 7 40 13 -105 0 0 7 15 11 23 31 12 55 156 15 6 59 55 7 30 29 6 30 45 8 0 1 -104 0 0 7 35 31 23 31 17 55 157 14 7 20 13 7 50 53 6 50 57 8 20 32 -103 0 0 7 56 34 23 31 22 55 159 13 7 41 12 8 11 59 7 11 50 8 41 44 -102 0 0 8 18 19 23 31 27 55 161 12 8 2 53 8 33 48 7 33 24 9 3 39 -101 0 0 8 40 45 23 31 32 55 162 11 8 25 16 8 56 18 7 55 40 9 26 16 -100 0 0 9 3 53 23 31 37 55 164 10 8 48 20 9 19 29 8 18 38 9 49 35 - 99 0 0 9 27 42 23 31 43 55 166 9 9 12 6 9 43 22 8 42 16 10 13 36 - 98 0 0 9 52 13 23 31 48 55 167 8 9 36 32 10 7 56 9 6 35 10 38 17 - 97 0 0 10 17 24 23 31 53 55 169 7 10 1 39 10 33 11 9 31 35 11 3 40 - 96 0 0 10 43 15 23 31 58 55 171 6 10 27 27 10 59 7 9 57 15 11 29 44 - 95 0 0 11 9 47 23 32 3 54 173 5 10 53 54 11 25 43 10 23 34 11 56 27 - 94 0 0 11 36 58 23 32 8 54 174 4 11 21 2 11 52 59 10 50 34 12 23 52 - 93 0 0 12 4 49 23 32 13 54 176 2 11 48 48 12 20 54 11 18 13 12 51 55 - 92 0 0 12 33 19 23 32 18 53 177 1 12 17 14 12 49 28 11 46 30 13 20 38 - 91 0 0 13 2 28 23 32 23 53 179 0 12 46 18 13 18 41 12 15 26 13 50 0 - 90 0 0 13 32 15 23 32 28 52 180 -1 13 16 0 13 48 32 12 45 0 14 20 0 - 89 0 0 14 2 39 23 32 33 52 182 -2 13 46 20 14 19 1 13 15 11 14 50 37 - 88 0 0 14 33 39 23 32 38 51 183 -3 14 17 16 14 50 6 13 45 58 15 21 52 - 87 0 0 15 5 17 23 32 43 51 185 -4 14 48 49 15 21 48 14 17 22 15 53 43 - 86 0 0 15 37 29 23 32 47 50 186 -5 15 20 57 15 54 6 14 49 21 16 26 9 - 85 0 0 16 10 17 23 32 52 49 188 -6 15 53 40 16 26 58 15 21 55 16 59 11 - 84 0 0 16 43 39 23 32 57 49 189 -7 16 26 57 17 0 24 15 55 3 17 32 47 - 83 0 0 17 17 33 23 33 2 48 190 -8 17 0 47 17 34 24 16 28 44 18 6 56 - 82 0 0 17 52 1 23 33 7 47 191 -9 17 35 9 18 8 56 17 2 58 18 41 37 - 81 0 0 18 26 59 23 33 11 46 193 -11 18 10 3 18 44 0 17 37 43 19 16 50 - 80 0 0 19 2 28 23 33 16 46 194 -12 18 45 27 19 19 34 18 12 58 19 52 34 - 79 0 0 19 38 27 23 33 20 45 195 -13 19 21 21 19 55 37 18 48 42 20 28 47 - 78 0 0 20 14 54 23 33 25 44 196 -14 19 57 43 20 32 9 19 24 55 21 5 28 - 77 0 0 20 51 48 23 33 29 43 197 -15 20 34 32 21 9 8 20 1 36 21 42 36 - 76 0 0 21 29 8 23 33 34 42 198 -16 21 11 48 21 46 32 20 38 42 22 20 10 - 75 0 0 22 6 53 23 33 38 41 199 -17 21 49 28 22 24 22 21 16 13 22 58 9 - 74 0 0 22 45 1 23 33 42 40 200 -18 22 27 32 23 2 35 21 54 8 23 36 32 - 73 0 0 23 23 32 23 33 46 39 201 -19 23 5 57 23 41 10 22 32 25 24 15 16 - 72 0 0 24 2 23 23 33 50 39 202 -20 23 44 44 24 20 6 23 11 4 24 54 21 - 71 0 0 24 41 34 23 33 54 38 203 -21 24 23 50 24 59 22 23 50 1 25 33 45 - 70 0 0 25 21 2 23 33 58 37 204 -22 25 3 14 25 38 55 24 29 17 26 13 27 - 69 0 0 26 0 47 23 34 2 36 205 -23 25 42 55 26 18 44 25 8 49 26 53 25 - 68 0 0 26 40 47 23 34 5 35 205 -24 26 22 51 26 58 48 25 48 37 27 33 38 - 67 0 0 27 21 0 23 34 9 34 206 -25 27 3 0 27 39 5 26 28 38 28 14 3 - 66 0 0 28 1 25 23 34 12 33 207 -26 27 43 20 28 19 34 27 8 51 28 54 40 - 65 0 0 28 41 59 23 34 16 32 208 -27 28 23 51 29 0 13 27 49 15 29 35 26 - 64 0 0 29 22 42 23 34 19 31 209 -28 29 4 30 29 41 0 28 29 47 30 16 20 - 63 0 0 30 3 32 23 34 22 30 209 -29 29 45 16 30 21 53 29 10 26 30 57 21 - 62 0 0 30 44 26 23 34 25 29 210 -29 30 26 7 31 2 51 29 51 10 31 38 26 - 61 0 0 31 25 24 23 34 28 28 211 -30 31 7 2 31 43 52 30 31 59 32 19 33 - 60 0 0 32 6 23 23 34 31 27 212 -31 31 47 58 32 24 54 31 12 49 33 0 42 - 59 0 0 32 47 22 23 34 34 26 212 -32 32 28 54 33 5 56 31 53 39 33 41 50 - 58 0 0 33 28 19 23 34 36 24 213 -33 33 9 48 33 46 56 32 34 28 34 22 55 - 57 0 0 34 9 13 23 34 39 23 214 -34 33 50 38 34 27 52 33 15 14 35 3 56 - 56 0 0 34 50 0 23 34 41 22 214 -34 34 31 24 35 8 42 33 55 55 35 44 51 - 55 0 0 35 30 41 23 34 43 21 215 -35 35 12 2 35 49 25 34 36 29 36 25 39 - 54 0 0 36 11 13 23 34 46 20 216 -36 35 52 32 36 29 59 35 16 55 37 6 16 - 53 0 0 36 51 34 23 34 48 19 216 -37 36 32 52 37 10 22 35 57 11 37 46 43 - 52 0 0 37 31 44 23 34 49 18 217 -37 37 13 0 37 50 33 36 37 16 38 26 57 - 51 0 0 38 11 39 23 34 51 17 218 -38 37 52 54 38 30 30 37 17 8 39 6 57 - 50 0 0 38 51 20 23 34 53 16 219 -38 38 32 33 39 10 12 37 56 46 39 46 41 - 49 0 0 39 30 43 23 34 54 15 219 -39 39 11 56 39 49 36 38 36 7 40 26 7 - 48 0 0 40 9 49 23 34 56 14 220 -40 39 51 1 40 28 42 39 15 11 41 5 14 - 47 0 0 40 48 35 23 34 57 13 221 -40 40 29 47 41 7 29 39 53 56 41 44 2 - 46 0 0 41 27 0 23 34 59 12 221 -41 41 8 12 41 45 54 40 32 20 42 22 27 - 45 0 0 42 5 3 23 35 0 11 222 -41 41 46 15 42 23 57 41 10 24 43 0 30 - 44 0 0 42 42 43 23 35 1 10 223 -42 42 23 55 43 1 36 41 48 4 43 38 8 - 43 0 0 43 19 58 23 35 2 9 223 -42 43 1 10 43 38 50 42 25 21 44 15 21 - 42 0 0 43 56 47 23 35 2 9 224 -43 43 38 0 44 15 39 43 2 12 44 52 8 - 41 0 0 44 33 9 23 35 3 8 225 -43 44 14 24 44 52 0 43 38 38 45 28 28 - 40 0 0 45 9 4 23 35 4 7 226 -43 44 50 20 45 27 54 44 14 36 46 4 18 - 39 0 0 45 44 30 23 35 4 6 226 -44 45 25 47 46 3 18 44 50 6 46 39 40 - 38 0 0 46 19 26 23 35 5 5 227 -44 46 0 45 46 38 13 45 25 8 47 14 32 - 37 0 0 46 53 53 23 35 5 4 228 -44 46 35 14 47 12 37 45 59 40 47 48 52 - 36 0 0 47 27 48 23 35 5 3 228 -45 47 9 11 47 46 31 .. .. .. 48 22 41 - 35 0 0 48 1 12 23 35 6 2 229 -45 47 42 38 48 19 52 .. .. .. 48 55 58 - 34 0 0 48 34 4 23 35 6 1 230 -45 48 15 32 48 52 41 .. .. .. 49 28 42 - 33 0 0 49 6 23 23 35 6 0 231 -45 48 47 54 49 24 58 .. .. .. .. .. .. Data for the target star ------------------------ * name: HIP 100068 * constellation : Capricornus * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 20 18 06.8009 DE: -24 16 08.053 * position source: mpos:HIP pm:HIP plx:HIP * standard error: RA,DE ["]: ( .033, .022 ) * V mag [mag]: 9.0 * B mag [mag]: 10.5 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (359) Georgia approx. diameter [km]: 44 approx. diameter ["]: .027 distance from Earth [AU]: 2.25900 * orbital information: orbit source: Preston date of fit: 2007 Oct 23 source of used astrometry: FASTT TMO MPC (via Astdys) number of used observations: 716 number of rejected observations: 108 time covered by the observations: 1902 Mar 04 - 2007 Oct 15 1 sigma uncertainty ellipse (major, minor, PA): 0.017, 0.012, 72° remarks: * orbital elements for (359) Georgia : Mean anomaly = 347.00884540 deg Arg. of pericenter = 337.58022446 deg Long. of node = 6.31797813 deg Inclination = 6.76634394 deg Eccentricity = 0.15377620 Semimajor axis = 2.72927533 AU Perihelion dist = 2.30957774 AU Mag: H = 9.11, G = 0.15 Epoch of elements : MJD 54406.98000000 TDT (2007 Nov 02.980) ------ occelmnt file for Occult BEGIN ----------------------------------- 2007 Nov 02 359 Georgia 23h 31.4m UT 9.0 20 18 6.801-24 16 8.05HIP 100068 10.5 13.6 44 1.8 2.259 3.568 19.26 269.813 -24.274 183.04 -14.87 23.5239 -.20933 .52653 12.53272 4.94770 0.00546 0.00120 2000 345.48307720071027.00000337.580224 6.317978 6.7663440.153776202.729275332.309577748.865 0.15 RATE 2.1859130 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.037 0.025 86.2 1.960 0.026 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2007 Oct 23, 22:15 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org