Grazing Occultation of 2134 SK4 Magnitude 5.9 Date 2007 June 26 (Tuesday) Nominal site altitude 0m E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA o ' " o ' " h m s Alt Alt Az o o o 135 0 0 -34 27 36 14 4 30 56 283 0.68 20.1 4.32 7.88N 135 10 0 -34 28 13 14 4 53 56 282 0.68 20.0 4.25 7.81N 135 20 0 -34 28 49 14 5 16 55 282 0.69 19.9 4.17 7.74N 135 30 0 -34 29 23 14 5 39 55 282 0.69 19.8 4.10 7.67N 135 40 0 -34 29 55 14 6 1 55 282 0.70 19.8 4.02 7.59N 135 50 0 -34 30 26 14 6 24 55 282 0.71 19.7 3.95 7.52N 136 0 0 -34 30 55 14 6 46 55 281 0.71 19.6 3.87 7.44N 136 10 0 -34 31 23 14 7 8 54 281 0.72 19.6 3.80 7.37N 136 20 0 -34 31 48 14 7 31 54 281 0.72 19.5 3.73 7.30N 136 30 0 -34 32 13 14 7 53 54 281 0.73 19.4 3.66 7.23N 136 40 0 -34 32 35 14 8 15 54 281 0.73 19.3 3.59 7.16N 136 50 0 -34 32 56 14 8 37 54 280 0.74 19.3 3.52 7.08N 137 0 0 -34 33 16 14 8 59 53 280 0.75 19.2 3.44 7.01N 137 10 0 -34 33 34 14 9 20 53 280 0.75 19.1 3.37 6.94N 137 20 0 -34 33 50 14 9 42 53 280 0.76 19.1 3.30 6.87N 137 30 0 -34 34 5 14 10 3 53 280 0.76 19.0 3.23 6.80N 137 40 0 -34 34 18 14 10 25 52 279 0.77 18.9 3.16 6.73N 137 50 0 -34 34 30 14 10 46 52 279 0.77 18.8 3.09 6.66N 138 0 0 -34 34 40 14 11 8 52 279 0.78 18.8 3.03 6.60N 138 10 0 -34 34 49 14 11 29 52 279 0.79 18.7 2.96 6.53N 138 20 0 -34 34 56 14 11 50 52 279 0.79 18.6 2.89 6.46N 138 30 0 -34 35 2 14 12 11 51 279 0.80 18.6 2.82 6.39N 138 40 0 -34 35 6 14 12 32 51 278 0.80 18.5 2.76 6.32N 138 50 0 -34 35 9 14 12 52 51 278 0.81 18.4 2.69 6.26N 139 0 0 -34 35 10 14 13 13 51 278 0.82 18.4 2.62 6.19N 139 10 0 -34 35 9 14 13 34 51 278 0.82 18.3 2.55 6.12N 139 20 0 -34 35 7 14 13 54 50 278 0.83 18.2 2.49 6.06N 139 30 0 -34 35 4 14 14 15 50 277 0.83 18.2 2.42 5.99N 139 40 1 -34 34 59 14 14 35 50 277 0.84 18.1 2.36 5.92N 139 50 1 -34 34 53 14 14 55 50 277 0.85 18.0 2.29 5.86N 140 0 1 -34 34 45 14 15 16 50 277 0.85 18.0 2.22 5.79N 140 10 1 -34 34 36 14 15 36 49 277 0.86 17.9 2.16 5.73N 140 20 1 -34 34 25 14 15 56 49 277 0.86 17.8 2.09 5.66N 140 30 1 -34 34 13 14 16 16 49 276 0.87 17.8 2.03 5.60N 140 40 1 -34 34 0 14 16 35 49 276 0.88 17.7 1.96 5.53N 140 50 1 -34 33 45 14 16 55 49 276 0.88 17.6 1.90 5.47N 141 0 1 -34 33 29 14 17 15 48 276 0.89 17.6 1.84 5.40N 141 10 1 -34 33 11 14 17 34 48 276 0.90 17.5 1.77 5.34N 141 20 1 -34 32 51 14 17 54 48 276 0.90 17.5 1.71 5.28N 141 30 1 -34 32 31 14 18 13 48 275 0.91 17.4 1.65 5.21N 141 40 1 -34 32 9 14 18 32 48 275 0.91 17.3 1.58 5.15N 141 50 1 -34 31 45 14 18 51 47 275 0.92 17.3 1.52 5.09N 142 0 1 -34 31 21 14 19 11 47 275 0.93 17.2 1.46 5.03N 142 10 1 -34 30 54 14 19 30 47 275 0.93 17.1 1.40 4.96N 142 20 1 -34 30 27 14 19 49 47 275 0.94 17.1 1.34 4.90N 142 30 1 -34 29 58 14 20 7 47 274 0.95 17.0 1.27 4.84N 142 40 1 -34 29 27 14 20 26 46 274 0.95 17.0 1.21 4.78N 142 50 1 -34 28 56 14 20 45 46 274 0.96 16.9 1.15 4.72N 143 0 1 -34 28 23 14 21 3 46 274 0.97 16.8 1.09 4.66N 143 10 1 -34 27 48 14 21 22 46 274 0.97 16.8 1.03 4.60N 143 20 1 -34 27 12 14 21 40 46 274 0.98 16.7 0.97 4.54N 143 30 1 -34 26 35 14 21 59 45 273 0.99 16.7 0.91 4.48N 143 40 1 -34 25 57 14 22 17 45 273 0.99 16.6 0.85 4.42N 143 50 1 -34 25 17 14 22 35 45 273 1.00 16.5 0.79 4.36N 144 0 1 -34 24 36 14 22 53 45 273 1.01 16.5 0.73 4.30N 144 10 1 -34 23 53 14 23 11 45 273 1.02 16.4 0.68 4.24N 144 20 1 -34 23 9 14 23 29 44 273 1.02 16.4 0.62 4.19N 144 30 1 -34 22 24 14 23 47 44 273 1.03 16.3 0.56 4.13N 144 40 1 -34 21 38 14 24 4 44 272 1.04 16.2 0.50 4.07N 144 50 1 -34 20 50 14 24 22 44 272 1.04 16.2 0.44 4.01N 145 0 1 -34 20 1 14 24 40 44 272 1.05 16.1 0.39 3.96N 145 10 1 -34 19 11 14 24 57 43 272 1.06 16.1 0.33 3.90N 145 20 1 -34 18 19 14 25 14 43 272 1.07 16.0 0.27 3.84N 145 30 1 -34 17 26 14 25 32 43 272 1.07 16.0 0.22 3.79N 145 40 1 -34 16 32 14 25 49 43 271 1.08 15.9 0.16 3.73N 145 50 1 -34 15 37 14 26 6 43 271 1.09 15.9 0.11 3.67N 146 0 1 -34 14 40 14 26 23 42 271 1.10 15.8 0.05 3.62N 146 10 1 -34 13 42 14 26 40 42 271 1.10 15.7 360.00 3.56N 146 20 1 -34 12 43 14 26 57 42 271 1.11 15.7 359.94 3.51N 146 30 1 -34 11 42 14 27 14 42 271 1.12 15.6 359.89 3.45N 146 40 1 -34 10 41 14 27 30 42 271 1.13 15.6 359.83 3.40N 146 50 1 -34 9 38 14 27 47 41 270 1.13 15.5 359.78 3.34N 147 0 1 -34 8 33 14 28 4 41 270 1.14 15.5 359.72 3.29N 147 10 1 -34 7 28 14 28 20 41 270 1.15 15.4 359.67 3.24N 147 20 1 -34 6 21 14 28 37 41 270 1.16 15.4 359.62 3.18N 147 30 1 -34 5 13 14 28 53 41 270 1.17 15.3 359.56 3.13N 147 40 1 -34 4 4 14 29 9 40 270 1.17 15.3 359.51 3.08N 147 50 1 -34 2 54 14 29 25 40 270 1.18 15.2 359.46 3.03N 148 0 1 -34 1 42 14 29 41 40 269 1.19 15.2 359.41 2.97N 148 10 1 -34 0 29 14 29 57 40 269 1.20 15.1 359.35 2.92N 148 20 1 -33 59 15 14 30 13 40 269 1.21 15.0 359.30 2.87N 148 30 1 -33 58 0 14 30 29 39 269 1.21 15.0 359.25 2.82N 148 40 2 -33 56 43 14 30 45 39 269 1.22 14.9 359.20 2.77N 148 50 2 -33 55 26 14 31 0 39 269 1.23 14.9 359.15 2.72N 149 0 2 -33 54 7 14 31 16 39 269 1.24 14.8 359.10 2.66N 149 10 2 -33 52 47 14 31 31 39 268 1.25 14.8 359.05 2.61N 149 20 2 -33 51 26 14 31 47 38 268 1.26 14.7 359.00 2.56N 149 30 2 -33 50 3 14 32 2 38 268 1.27 14.7 358.95 2.51N 149 40 2 -33 48 40 14 32 18 38 268 1.27 14.6 358.90 2.46N 149 50 2 -33 47 15 14 32 33 38 268 1.28 14.6 358.85 2.41N 150 0 2 -33 45 49 14 32 48 38 268 1.29 14.5 358.80 2.37N 150 10 2 -33 44 22 14 33 3 38 268 1.30 14.5 358.75 2.32N 150 20 2 -33 42 54 14 33 18 37 267 1.31 14.4 358.70 2.27N 150 30 2 -33 41 25 14 33 33 37 267 1.32 14.4 358.65 2.22N 150 40 2 -33 39 54 14 33 47 37 267 1.33 14.3 358.60 2.17N 150 50 2 -33 38 23 14 34 2 37 267 1.34 14.3 358.56 2.12N 151 0 2 -33 36 50 14 34 17 37 267 1.35 14.3 358.51 2.08N 151 10 2 -33 35 16 14 34 31 36 267 1.36 14.2 358.46 2.03N 151 20 2 -33 33 41 14 34 46 36 267 1.37 14.2 358.41 1.98N Path coordinates are referred to WGS84 (as used by GPS). 2134 is multiple : 5.7 7.9 25" 306.3 : 5.9 27" 285.0 : 5.9 13. 45" 192.0 Graze Path of component #2 16.88km South, and 59.9 secs. earlier cf. primary. Graze Path of component #3 0.71km South, and 69.8 secs. earlier cf. primary. Graze Path of component #4 80.57km North, and 4.4 secs. later cf. primary. C A S S I N I R E G I O N G R A Z E Librations Long -2.63 Lat +6.03 P +358.1 D -5.7 Illumination of moon 84%+ Elongation of Moon 133 Vertical Profile Scale 1.88 km/arcsec at mean distance of moon Horizontal Scale Factor 1.49 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 -2.0 2.6 4.0 4.7 5.2 5.4 5.6 5.8 0.0 2.6 4.0 4.7 5.2 5.4 5.6 5.8 2.0 2.6 4.0 4.7 5.2 5.4 5.6 5.8 4.0 4.0 5.4 6.2 6.7 7.0 7.2 7.3 6.0 4.6 6.0 6.7 7.2 7.5 7.7 7.9