Predictions for Grazing Occultation of SAO 138801, 2008 Sep 2
Grazing Occultation of 138801 F5 Magnitude 8.1
Date 2008 September 2 (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
174 0 0 -37 34 10 6 56 55 -11 18 274 3.05 207.0 184.87 3.20S
174 10 0 -37 34 19 6 56 59 -11 18 274 3.08 207.0 184.83 3.23S
174 20 0 -37 34 28 6 57 3 -12 18 274 3.10 207.0 184.80 3.27S
174 30 0 -37 34 36 6 57 7 -12 18 274 3.13 206.9 184.76 3.30S
174 40 0 -37 34 43 6 57 11 -12 18 274 3.16 206.9 184.73 3.34S
174 50 0 -37 34 50 6 57 14 17 274 3.19 206.9 184.69 3.37S
175 0 0 -37 34 55 6 57 18 17 274 3.22 206.8 184.66 3.41S
175 10 0 -37 35 0 6 57 22 17 274 3.24 206.8 184.62 3.44S
175 20 0 -37 35 4 6 57 26 17 273 3.27 206.7 184.59 3.48S
175 30 0 -37 35 7 6 57 29 17 273 3.30 206.7 184.55 3.51S
175 40 0 -37 35 9 6 57 33 17 273 3.33 206.7 184.52 3.54S
175 50 0 -37 35 11 6 57 36 17 273 3.36 206.6 184.49 3.58S
176 0 0 -37 35 11 6 57 40 16 273 3.40 206.6 184.45 3.61S
176 10 0 -37 35 11 6 57 43 16 273 3.43 206.6 184.42 3.65S
176 20 0 -37 35 10 6 57 47 16 273 3.46 206.5 184.38 3.68S
176 30 0 -37 35 9 6 57 50 16 273 3.49 206.5 184.35 3.72S
176 40 0 -37 35 6 6 57 54 16 273 3.53 206.5 184.32 3.75S
176 50 0 -37 35 3 6 57 57 16 272 3.56 206.4 184.28 3.78S
177 0 0 -37 34 59 6 58 0 16 272 3.59 206.4 184.25 3.82S
177 10 0 -37 34 54 6 58 4 15 272 3.63 206.4 184.21 3.85S
177 20 0 -37 34 48 6 58 7 15 272 3.66 206.3 184.18 3.88S
177 30 0 -37 34 42 6 58 10 15 272 3.70 206.3 184.15 3.92S
177 40 0 -37 34 35 6 58 13 15 272 3.74 206.3 184.11 3.95S
177 50 0 -37 34 27 6 58 16 15 272 3.77 206.2 184.08 3.98S
178 0 0 -37 34 18 6 58 19 15 272 3.81 206.2 184.05 4.02S
178 10 0 -37 34 9 6 58 22 15 272 3.85 206.2 184.02 4.05S
178 20 0 -37 33 59 6 58 25 14 271 3.89 206.1 183.98 4.08S
178 30 0 -37 33 48 6 58 28 14 271 3.93 206.1 183.95 4.11S
Path coordinates are referred to WGS84 (as used by GPS).
Librations Long +4.26 Lat +5.13
P +184.3 D +5.1
Illumination of moon 7%+
Elongation of Moon 30
Vertical Profile Scale 1.89 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.82 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
0.1 6.8 8.3 9.1 9.6 10.0 10.3 10.5
2.1 6.9 8.3 9.1 9.7 10.1 10.4 10.6
4.1 6.9 8.4 9.2 9.7 10.1 10.4 10.6
6.1 6.9 8.4 9.2 9.8 10.2 10.4 10.7
8.1 7.0 8.4 9.3 9.8 10.2 10.5 10.7
Lunar Limb Profile