Predictions for Grazing Occultation of SAO164080, 2015 Apr 13
Graze profile
Grazing Occultation of 164080cK4 Magnitude 7.1 [Red = 6.3]
Date: 2015 Apr 13 17h 1m, to 2015 Apr 13 17h 13m
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
135 0 0 -24 38 18 17 0 58 10 99 5.41 170.8 188.34 5.69S
135 30 0 -24 43 52 17 1 6 11 99 5.16 170.8 188.30 5.65S
136 0 0 -24 49 22 17 1 15 11 98 4.93 170.7 188.26 5.61S
136 30 0 -24 54 48 17 1 25 12 98 4.72 170.7 188.21 5.56S
137 0 0 -25 0 10 17 1 35 12 98 4.53 170.6 188.17 5.51S
137 30 0 -25 5 29 17 1 45 13 98 4.35 170.6 188.12 5.46S
138 0 0 -25 10 44 17 1 56 13 98 4.18 170.6 188.07 5.42S
138 30 0 -25 15 55 17 2 7 14 97 4.02 170.5 188.02 5.37S
139 0 0 -25 21 1 17 2 19 14 97 3.88 170.5 187.97 5.32S
139 30 0 -25 26 4 17 2 31 15 97 3.74 170.4 187.92 5.26S
140 0 0 -25 31 3 17 2 44 15 97 3.61 170.3 187.87 5.21S
140 30 0 -25 35 58 17 2 57 16 96 3.49 170.3 187.81 5.16S
141 0 0 -25 40 48 17 3 11 16 96 3.38 170.2 187.75 5.09S
141 30 0 -25 45 34 17 3 25 17 96 3.27 170.2 187.69 5.04S
142 0 0 -25 50 16 17 3 39 18 96 3.17 170.1 187.63 4.98S
142 30 0 -25 54 53 17 3 54 18 95 3.08 170.1 187.58 4.92S
143 0 0 -25 59 26 17 4 10 19 95 2.98 170.0 187.52 4.87S
143 30 0 -26 3 54 17 4 26 19 95 2.90 169.9 187.46 4.81S
144 0 0 -26 8 17 17 4 42 20 95 2.82 169.9 187.40 4.75S
144 30 0 -26 12 36 17 4 59 20 94 2.74 169.8 187.34 4.69S
145 0 0 -26 16 50 17 5 17 21 94 2.66 169.8 187.28 4.62S
145 30 0 -26 21 0 17 5 35 21 94 2.59 169.7 187.21 4.56S
146 0 0 -26 25 4 17 5 53 22 94 2.52 169.6 187.15 4.50S
146 30 0 -26 29 3 17 6 12 22 93 2.46 169.6 187.09 4.43S
147 0 0 -26 32 58 17 6 31 23 93 2.39 169.5 187.02 4.37S
147 30 0 -26 36 47 17 6 51 23 93 2.33 169.4 186.95 4.30S
148 0 0 -26 40 31 17 7 12 24 92 2.28 169.4 186.88 4.23S
148 30 0 -26 44 10 17 7 33 24 92 2.22 169.3 186.81 4.16S
149 0 0 -26 47 43 17 7 54 25 92 2.17 169.2 186.74 4.09S
149 30 0 -26 51 11 17 8 16 25 92 2.11 169.2 186.67 4.02S
150 0 0 -26 54 34 17 8 38 26 91 2.06 169.1 186.60 3.95S
150 30 0 -26 57 51 17 9 1 26 91 2.02 169.0 186.53 3.87S
151 0 0 -27 1 2 17 9 25 27 91 1.97 168.9 186.45 3.80S
151 30 0 -27 4 8 17 9 49 27 90 1.93 168.9 186.38 3.72S
152 0 0 -27 7 8 17 10 13 28 90 1.88 168.8 186.30 3.65S
152 30 0 -27 10 2 17 10 38 29 90 1.84 168.7 186.22 3.57S
153 0 0 -27 12 50 17 11 4 29 90 1.80 168.6 186.14 3.49S
153 30 0 -27 15 32 17 11 30 30 89 1.76 168.5 186.06 3.41S
154 0 0 -27 18 8 17 11 56 30 89 1.72 168.5 185.98 3.33S
154 30 0 -27 20 38 17 12 23 31 89 1.68 168.4 185.90 3.24S
155 0 0 -27 23 2 17 12 51 31 88 1.65 168.3 185.81 3.16S
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.
Projected diameter of star 3 meters [Estimated]
164080 is double:
This next pair is not confirmed
** 8.1 8.1 0.10" 107.0 (OCc 914) Graze path of ? 0.09 km north, and 0.2 secs later compared to the primary
C A S S I N I R E G I O N G R A Z E
Librations Long -3.85 Lat -5.77
P +187.66 D -4.97
Illumination of moon 32%-
Elongation of Moon 69
Vertical Profile Scale 1.89 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.83 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
0.6 4.8 6.2 6.9 7.3 7.6 7.8 8.0
2.6 4.8 6.2 6.9 7.4 7.7 7.9 8.0
4.6 4.8 6.2 6.9 7.4 7.7 7.9 8.0
6.6 5.5 7.0 7.7 8.2 8.6 8.8 9.0
8.6 5.5 7.0 7.8 8.2 8.6 8.8 9.0
------------------------------------------------------------------------------
Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile
