Predictions for Grazing Occultation of ZC2647, 2016 May 24
Graze profile
Grazing Occultation of 2647SO8 Magnitude 6.5 [Red = 6.5]
Date: 2016 May 24 12h 39m, to 2016 May 24 13h 8m
Nominal site altitude 100m
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 -29 47 39.3 12 38 42 28 96 1.86 187.5 189.75 17.93S
135 30 0 -29 58 31.2 12 39 15 29 96 1.82 187.4 189.73 17.92S
136 0 0 -30 9 21.2 12 39 48 29 95 1.78 187.4 189.71 17.90S
136 30 0 -30 20 9.0 12 40 22 30 95 1.74 187.4 189.69 17.88S
137 0 0 -30 30 54.6 12 40 57 31 95 1.70 187.4 189.67 17.86S
137 30 0 -30 41 37.7 12 41 32 31 94 1.66 187.4 189.65 17.83S
138 0 0 -30 52 18.2 12 42 8 32 94 1.62 187.3 189.62 17.81S
138 30 0 -31 2 56.1 12 42 44 32 93 1.59 187.3 189.60 17.78S
139 0 0 -31 13 31.1 12 43 21 33 93 1.55 187.3 189.57 17.75S
139 30 0 -31 24 3.1 12 43 59 33 93 1.52 187.2 189.54 17.73S
140 0 0 -31 34 32.0 12 44 37 34 92 1.49 187.2 189.51 17.69S
140 30 0 -31 44 57.5 12 45 16 35 92 1.45 187.2 189.48 17.66S
141 0 0 -31 55 19.6 12 45 56 35 91 1.42 187.1 189.44 17.63S
141 30 0 -32 5 38.2 12 46 36 36 91 1.39 187.1 189.41 17.59S
142 0 0 -32 15 53.0 12 47 16 36 90 1.37 187.1 189.37 17.56S
142 30 0 -32 26 4.0 12 47 57 37 90 1.34 187.0 189.33 17.52S
143 0 0 -32 36 10.9 12 48 39 37 89 1.31 187.0 189.29 17.48S
143 30 0 -32 46 13.6 12 49 21 38 89 1.28 187.0 189.25 17.44S
144 0 0 -32 56 12.1 12 50 4 38 88 1.26 186.9 189.21 17.39S
144 30 0 -33 6 6.0 12 50 48 39 88 1.23 186.9 189.16 17.35S
145 0 0 -33 15 55.3 12 51 31 40 87 1.21 186.8 189.11 17.30S
145 30 0 -33 25 39.9 12 52 16 40 87 1.18 186.8 189.07 17.25S
146 0 0 -33 35 19.6 12 53 1 41 86 1.16 186.7 189.02 17.20S
146 30 0 -33 44 54.3 12 53 46 41 86 1.14 186.7 188.96 17.15S
147 0 0 -33 54 23.7 12 54 32 42 85 1.12 186.6 188.91 17.10S
147 30 0 -34 3 47.9 12 55 18 42 84 1.09 186.6 188.85 17.04S
148 0 0 -34 13 6.6 12 56 5 43 84 1.07 186.5 188.80 16.99S
148 30 0 -34 22 19.7 12 56 52 44 83 1.05 186.4 188.74 16.93S
149 0 0 -34 31 27.1 12 57 40 44 83 1.03 186.4 188.68 16.87S
149 30 0 -34 40 28.6 12 58 28 45 82 1.01 186.3 188.62 16.81S
150 0 0 -34 49 24.1 12 59 17 45 81 0.99 186.3 188.55 16.74S
150 30 0 -34 58 13.6 13 0 6 46 81 0.97 186.2 188.49 16.68S
151 0 0 -35 6 56.8 13 0 56 46 80 0.96 186.1 188.42 16.61S
151 30 0 -35 15 33.6 13 1 46 47 79 0.94 186.1 188.35 16.54S
152 0 0 -35 24 4.0 13 2 36 47 79 0.92 186.0 188.28 16.47S
152 30 0 -35 32 27.6 13 3 27 48 78 0.90 185.9 188.21 16.40S
153 0 0 -35 40 44.6 13 4 18 48 77 0.89 185.8 188.13 16.33S
153 30 0 -35 48 54.6 13 5 9 49 77 0.87 185.8 188.06 16.25S
154 0 0 -35 56 57.7 13 6 1 50 76 0.85 185.7 187.98 16.17S
154 30 0 -36 4 53.7 13 6 53 50 75 0.84 185.6 187.90 16.09S
155 0 0 -36 12 42.6 13 7 46 51 74 0.82 185.5 187.82 16.01S
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.
2647 is triple:
This next pair is not confirmed
**Aa,Ab 7.2 7.2 0.10" 270.0 (OCc 12) Graze path of ? approximately 0.0 km north, and 0.2 secs earlier compared to the primary
- refer to graze profile for exact distances
AB 6.5 13.0 8.5" 168.9 (RST3170) Graze path of B approximately 15.7 km north, and 6.5 secs later compared to A
- refer to graze profile for exact distances
Librations Long -4.58 Lat -6.63
P +189.64 D -5.56
Illumination of moon 93%-
Elongation of Moon 149
Vertical Profile Scale approx. 2.00 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.53 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
13.3 4.7 6.1 6.8 7.3 7.6 7.9 8.0
15.3 5.1 6.5 7.3 7.8 8.1 8.3 8.5
17.3 5.4 6.8 7.6 8.1 8.4 8.6 8.8
19.3 5.4 6.8 7.6 8.1 8.4 8.6 8.8
21.3 5.4 6.8 7.6 8.1 8.4 8.6 8.8
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
AU Mid 143.0 -30.6 207km 12 48 39.3
Canberra 149.2 -35.3 74km 12 57 54.7
Newcastle 151.7 -33.0 250km 13 2 7.5
Sydney 151.1 -33.8 137km 13 1 2.5
Lunar Limb Profile
