Grazing Occultation of 2269 cB5 Magnitude 5.4 Date 2006 April 16 (Sunday) 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 150 0 0 -28 39 10 17 58 30 67 274 0.43 16.9 5.86 1.46N 150 10 0 -28 39 55 17 58 58 66 274 0.44 16.8 5.77 1.55N 150 20 0 -28 40 39 17 59 25 66 273 0.44 16.7 5.69 1.64N 150 30 0 -28 41 21 17 59 53 66 273 0.45 16.6 5.60 1.73N 150 40 0 -28 42 0 18 0 20 66 273 0.45 16.5 5.51 1.81N 150 50 0 -28 42 38 18 0 48 65 273 0.46 16.4 5.42 1.90N 151 0 0 -28 43 14 18 1 15 65 273 0.47 16.3 5.34 1.99N 151 10 0 -28 43 47 18 1 42 65 273 0.47 16.2 5.25 2.07N 151 20 0 -28 44 19 18 2 9 65 273 0.48 16.2 5.17 2.16N 151 30 0 -28 44 49 18 2 36 64 272 0.48 16.1 5.08 2.24N 151 40 0 -28 45 16 18 3 3 64 272 0.49 16.0 4.99 2.33N 151 50 0 -28 45 42 18 3 29 64 272 0.49 15.9 4.91 2.41N 152 0 0 -28 46 6 18 3 56 64 272 0.50 15.8 4.82 2.50N 152 10 0 -28 46 28 18 4 23 63 272 0.50 15.7 4.74 2.58N 152 20 0 -28 46 48 18 4 49 63 272 0.51 15.6 4.66 2.67N 152 30 0 -28 47 6 18 5 16 63 272 0.51 15.6 4.57 2.75N 152 40 0 -28 47 22 18 5 42 63 271 0.52 15.5 4.50 2.83N 152 50 0 -28 47 36 18 6 8 62 271 0.52 15.4 4.41 2.91N 153 0 0 -28 47 49 18 6 34 62 271 0.53 15.3 4.33 3.00N 153 10 0 -28 47 59 18 7 0 62 271 0.53 15.2 4.24 3.08N 153 20 0 -28 48 7 18 7 26 62 271 0.54 15.1 4.16 3.16N 153 30 0 -28 48 14 18 7 52 61 271 0.54 15.1 4.08 3.25N 153 40 0 -28 48 19 18 8 17 61 271 0.55 15.0 4.00 3.33N 153 50 0 -28 48 22 18 8 43 61 271 0.56 14.9 3.91 3.41N Path coordinates are referred to WGS84 (as used by GPS). 2269 is double : 6.2 6.2 0.100" 90.0 Graze Path of component #2 0.05km South, and 0.3 secs. later cf. primary. C A S S I N I R E G I O N G R A Z E Librations Long -6.36 Lat +5.72 P +3.3 D -5.9 Illumination of moon 91%- Elongation of Moon 145 Vertical Profile Scale 1.86 km/arcsec at mean distance of moon Horizontal Scale Factor 1.29 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 -0.6 2.5 3.9 4.7 5.2 5.5 5.8 5.9 1.4 2.5 3.9 4.7 5.2 5.5 5.8 5.9 3.4 2.5 3.9 4.7 5.2 5.5 5.8 5.9 5.4 3.6 5.0 5.8 6.3 6.7 6.9 7.1 7.4 4.6 6.1 6.8 7.4 7.7 8.0 8.1