Grazing Occultation of 1949 SA0 Magnitude 5.9 Date 2007 March 7 (Wednesday) 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 113 0 0 -27 28 3 14 55 21 31 90 1.68 216.2 196.22 11.48S 113 10 0 -27 36 0 14 55 42 31 89 1.67 216.3 196.26 11.52S 113 20 0 -27 44 0 14 56 4 31 89 1.65 216.3 196.30 11.56S 113 30 0 -27 52 3 14 56 26 31 89 1.64 216.3 196.34 11.59S 113 40 0 -28 0 9 14 56 48 32 89 1.62 216.4 196.38 11.63S 113 50 0 -28 8 19 14 57 11 32 89 1.61 216.4 196.42 11.67S 114 0 0 -28 16 31 14 57 33 32 88 1.59 216.4 196.46 11.71S 114 10 0 -28 24 47 14 57 56 32 88 1.58 216.5 196.49 11.75S 114 20 0 -28 33 5 14 58 19 33 88 1.57 216.5 196.53 11.79S 114 30 0 -28 41 27 14 58 42 33 88 1.55 216.6 196.57 11.82S 114 40 0 -28 49 51 14 59 6 33 87 1.54 216.6 196.61 11.86S 114 50 0 -28 58 19 14 59 29 33 87 1.53 216.6 196.64 11.90S 115 0 0 -29 6 50 14 59 53 33 87 1.51 216.7 196.68 11.93S 115 10 0 -29 15 24 15 0 17 34 87 1.50 216.7 196.72 11.97S 115 20 0 -29 24 1 15 0 41 34 87 1.49 216.7 196.75 12.00S 115 30 0 -29 32 41 15 1 5 34 86 1.48 216.8 196.79 12.04S 115 40 0 -29 41 24 15 1 30 34 86 1.46 216.8 196.82 12.08S 115 50 0 -29 50 10 15 1 54 35 86 1.45 216.8 196.86 12.11S 116 0 0 -29 58 59 15 2 19 35 86 1.44 216.9 196.89 12.14S 116 10 0 -30 7 51 15 2 44 35 85 1.43 216.9 196.92 12.18S 116 20 0 -30 16 46 15 3 9 35 85 1.42 217.0 196.96 12.21S 116 30 0 -30 25 44 15 3 35 35 85 1.40 217.0 196.99 12.24S 116 40 0 -30 34 45 15 4 0 36 85 1.39 217.0 197.02 12.28S 116 50 0 -30 43 49 15 4 26 36 84 1.38 217.0 197.06 12.31S 117 0 0 -30 52 56 15 4 52 36 84 1.37 217.1 197.09 12.34S 117 10 0 -31 2 5 15 5 18 36 84 1.36 217.1 197.12 12.37S 117 20 0 -31 11 18 15 5 45 37 84 1.35 217.1 197.15 12.40S 117 30 0 -31 20 33 15 6 11 37 83 1.34 217.2 197.18 12.43S 117 40 1 -31 29 51 15 6 38 37 83 1.33 217.2 197.21 12.46S 117 50 1 -31 39 12 15 7 4 37 83 1.32 217.2 197.24 12.49S 118 0 1 -31 48 36 15 7 31 37 82 1.31 217.3 197.27 12.52S Path coordinates are referred to WGS84 (as used by GPS). 1949 is triple : 6.3 7.2 0.41" 60.3 : 5.9 12.4 26" 149.0 Graze Path of component #2 0.88km South, and 0.4 secs. later cf. primary. Graze Path of component #3 22.58km North, and 58.8 secs. later cf. primary. Librations Long -1.70 Lat +3.88 P +197.2 D +4.5 Illumination of moon 88%- Elongation of Moon 140 Vertical Profile Scale 2.47 km/arcsec at mean distance of moon Horizontal Scale Factor 1.6 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 8.5 4.7 6.1 6.9 7.4 7.7 7.9 8.1 10.5 5.1 6.6 7.3 7.8 8.1 8.3 8.5 12.5 5.4 6.8 7.6 8.1 8.4 8.6 8.8 14.5 5.4 6.8 7.6 8.1 8.4 8.6 8.8 16.5 5.4 6.8 7.6 8.1 8.4 8.6 8.8