Predictions for Grazing Occultation of ZC 1949, 2007 Mar 7
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
Lunar Limb Profile