Predictions for Grazing Occultation of SAO139045, 2015 Apr 4
Graze profile
Grazing Occultation of 139045 G5 Magnitude 9.2 [Red = 8.8]
Date: 2015 Apr 04 12h 18m, to 2015 Apr 04 12h 45m
Nominal site altitude 50m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
110 0 0 -31 31 58 12 18 17 22 82 2.45 202.6 178.43 30.29U
110 30 0 -31 41 30 12 18 55 23 82 2.39 202.7 178.52 30.71U
111 0 0 -31 51 14 12 19 34 23 81 2.33 202.8 178.61 31.15U
111 30 0 -32 1 9 12 20 14 24 81 2.27 202.9 178.70 31.61U
112 0 0 -32 11 16 12 20 55 24 80 2.21 203.0 178.78 32.10U
112 30 0 -32 21 34 12 21 38 25 80 2.16 203.1 178.87 32.60U
113 0 0 -32 32 4 12 22 21 25 79 2.11 203.2 178.96 33.13U
113 30 0 -32 42 46 12 23 5 26 79 2.06 203.3 179.05 33.69U
114 0 0 -32 53 40 12 23 50 26 78 2.01 203.4 179.14 34.27U
114 30 0 -33 4 45 12 24 37 27 78 1.96 203.4 179.23 34.88U
115 0 0 -33 16 2 12 25 24 28 77 1.92 203.5 179.31 35.51U
115 30 0 -33 27 31 12 26 12 28 77 1.88 203.6 179.40 36.16U
116 0 0 -33 39 12 12 27 2 29 76 1.84 203.7 179.49 36.84U
116 30 0 -33 51 4 12 27 52 29 76 1.80 203.8 179.57 37.55U
117 0 0 -34 3 8 12 28 43 30 75 1.76 203.9 179.66 38.28U
117 30 0 -34 15 24 12 29 36 30 74 1.72 204.0 179.74 39.04U
118 0 0 -34 27 52 12 30 29 31 74 1.69 204.0 179.82 39.82U
118 30 0 -34 40 31 12 31 24 31 73 1.65 204.1 179.90 40.63U
119 0 0 -34 53 22 12 32 19 32 73 1.62 204.2 179.98 41.47U
119 30 0 -35 6 24 12 33 15 32 72 1.59 204.3 180.06 42.32U
120 0 0 -35 19 37 12 34 13 33 71 1.56 204.4 180.14 43.21U
120 30 0 -35 33 1 12 35 11 33 70 1.53 204.4 180.22 44.12U
121 0 0 -35 46 36 12 36 10 34 70 1.50 204.5 180.30 45.05U
121 30 0 -36 0 22 12 37 10 34 69 1.47 204.6 180.37 46.01U
122 0 0 -36 14 19 12 38 11 35 68 1.45 204.7 180.44 46.99U
122 30 0 -36 28 26 12 39 12 35 68 1.42 204.7 180.51 47.99U
123 0 0 -36 42 43 12 40 15 36 67 1.40 204.8 180.58 49.02U
123 30 0 -36 57 10 12 41 18 36 66 1.37 204.9 180.65 50.07U
124 0 0 -37 11 47 12 42 22 37 65 1.35 204.9 180.72 51.14U
124 30 0 -37 26 33 12 43 27 37 64 1.33 205.0 180.78 52.23U
125 0 0 -37 41 28 12 44 33 37 64 1.31 205.1 180.84 53.34U
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level. The path
is adjusted for the effects of refraction at low moon altitudes.
Librations Long -2.50 Lat -1.23
P +179.78 D -0.99
Illumination of moon 8%E
Elongation of Moon 179
Vertical Profile Scale 2.62 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.57 deg/min
At longitude 117.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
35.0 10.6 11.3 11.9 12.5 13.1 13.8 14.4
37.0 10.6 11.3 11.9 12.5 13.1 13.8 14.4
39.0 10.6 11.3 11.9 12.5 13.1 13.8 14.4
41.0 10.6 11.3 11.9 12.5 13.1 13.8 14.4
43.0 10.6 11.3 11.9 12.5 13.1 13.8 14.4
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile
