Predictions for Grazing Occultation of SAO 79521, 2008 Jun 6
Grazing Occultation of 79521 cG2 Magnitude 7.4
Date 2008 June 6 (Friday) 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
136 0 0 -33 32 36 9 8 18 12 311 4.68 25.3 17.64 20.33N
136 10 0 -33 38 49 9 8 24 12 311 4.76 25.3 17.60 20.30N
136 20 0 -33 45 0 9 8 29 12 311 4.84 25.3 17.58 20.27N
136 30 0 -33 51 11 9 8 34 11 311 4.92 25.2 17.55 20.24N
136 40 0 -33 57 20 9 8 40 11 311 5.00 25.2 17.52 20.22N
136 50 0 -34 3 29 9 8 45 11 310 5.09 25.2 17.50 20.19N
137 0 0 -34 9 37 9 8 50 11 310 5.17 25.2 17.47 20.16N
137 10 0 -34 15 43 9 8 55 11 310 5.26 25.1 17.44 20.13N
137 20 0 -34 21 49 9 9 0 11 310 5.36 25.1 17.42 20.11N
137 30 0 -34 27 53 9 9 5 10 310 5.45 25.1 17.39 20.08N
137 40 0 -34 33 57 9 9 10 10 310 5.55 25.1 17.36 20.05N
137 50 0 -34 39 59 9 9 14 10 310 5.66 25.0 17.34 20.03N
138 0 0 -34 46 1 9 9 19 10 310 5.76 25.0 17.31 20.00N
138 10 0 -34 52 1 9 9 23 10 310 5.87 25.0 17.28 19.97N
138 20 0 -34 58 0 9 9 28 9 310 5.99 25.0 17.25 19.95N
138 30 0 -35 3 59 9 9 32 9 309 6.11 24.9 17.23 19.92N
138 40 0 -35 9 56 9 9 37 9 309 6.23 24.9 17.20 19.89N
138 50 0 -35 15 53 9 9 41 9 309 6.36 24.9 17.17 19.86N
139 0 0 -35 21 48 9 9 45 9 309 6.49 24.8 17.15 19.84N
139 10 0 -35 27 43 9 9 49 9 309 6.62 24.8 17.12 19.81N
139 20 0 -35 33 36 9 9 53 8 309 6.77 24.8 17.09 19.78N
139 30 0 -35 39 29 9 9 57 8 309 6.91 24.8 17.06 19.76N
139 40 0 -35 45 20 9 10 1 8 309 7.07 24.7 17.04 19.73N
139 50 0 -35 51 10 9 10 5 8 309 7.23 24.7 17.01 19.70N
140 0 0 -35 57 0 9 10 8 8 308 7.40 24.7 16.98 19.67N
Path coordinates are referred to WGS84 (as used by GPS).
79521 is double : 8.8 8.8 0.050" 0.0
Graze Path of component #2 0.10km South, and 0.0 secs. earlier cf. primary.
Librations Long +4.64 Lat -3.78
P +16.7 D +5.2
Illumination of moon 9%+
Elongation of Moon 36
Vertical Profile Scale 2.18 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.85 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
15.7 6.1 7.6 8.4 9.0 9.4 9.7 9.9
17.7 6.1 7.6 8.4 9.0 9.4 9.7 9.9
19.7 6.2 7.6 8.5 9.0 9.4 9.7 10.0
21.7 6.2 7.7 8.5 9.0 9.4 9.8 10.0
23.7 6.2 7.7 8.5 9.1 9.5 9.8 10.0
Lunar Limb Profile