Predictions for Grazing Occultation of ZC2020, 2016 Feb 27
Graze profile
Grazing Occultation of 2020pA0 Magnitude 6.5 [Red = 6.5]
R2020 = 94 Virginis
Date: 2016 Feb 27 16h 25m, to 2016 Feb 27 17h 20m
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 14 52.5 16 25 22 53 64 0.76 206.7 185.77 9.77S
135 30 0 -29 31 45.5 16 26 46 53 63 0.75 206.8 185.79 9.79S
136 0 0 -29 48 39.8 16 28 10 54 62 0.73 206.8 185.81 9.81S
136 30 0 -30 5 35.0 16 29 35 54 61 0.72 206.8 185.83 9.83S
137 0 0 -30 22 30.4 16 31 0 55 59 0.71 206.8 185.84 9.84S
137 30 0 -30 39 25.5 16 32 25 55 58 0.69 206.8 185.85 9.85S
138 0 0 -30 56 19.9 16 33 51 56 57 0.68 206.8 185.85 9.85S
138 30 0 -31 13 12.9 16 35 17 56 55 0.67 206.8 185.85 9.85S
139 0 0 -31 30 4.1 16 36 43 57 54 0.66 206.8 185.84 9.84S
139 30 0 -31 46 52.9 16 38 9 57 52 0.65 206.8 185.83 9.83S
140 0 0 -32 3 38.8 16 39 35 57 51 0.64 206.8 185.82 9.82S
140 30 0 -32 20 21.4 16 41 1 58 49 0.63 206.8 185.80 9.80S
141 0 0 -32 37 0.0 16 42 27 58 48 0.62 206.7 185.78 9.78S
141 30 0 -32 53 34.2 16 43 52 59 46 0.61 206.7 185.75 9.75S
142 0 0 -33 10 3.5 16 45 18 59 44 0.61 206.7 185.72 9.72S
142 30 0 -33 26 27.5 16 46 43 59 43 0.60 206.7 185.69 9.69S
143 0 0 -33 42 45.7 16 48 9 59 41 0.59 206.6 185.65 9.65S
143 30 0 -33 58 57.7 16 49 33 60 39 0.59 206.6 185.60 9.61S
144 0 0 -34 15 3.0 16 50 58 60 38 0.58 206.5 185.56 9.56S
144 30 0 -34 31 1.2 16 52 22 60 36 0.58 206.5 185.51 9.51S
145 0 0 -34 46 52.1 16 53 46 60 34 0.57 206.4 185.45 9.46S
145 30 0 -35 2 35.1 16 55 9 60 32 0.57 206.4 185.40 9.40S
146 0 0 -35 18 10.1 16 56 32 61 31 0.56 206.3 185.33 9.34S
146 30 0 -35 33 36.5 16 57 54 61 29 0.56 206.2 185.27 9.27S
147 0 0 -35 48 54.2 16 59 16 61 27 0.56 206.2 185.20 9.21S
147 30 0 -36 4 2.9 17 0 37 61 25 0.56 206.1 185.13 9.13S
148 0 0 -36 19 2.2 17 1 57 61 24 0.56 206.0 185.06 9.06S
148 30 0 -36 33 51.9 17 3 17 61 22 0.55 206.0 184.98 8.98S
149 0 0 -36 48 31.9 17 4 37 61 20 0.55 205.9 184.90 8.90S
149 30 0 -37 3 2.0 17 5 55 61 18 0.55 205.8 184.82 8.82S
150 0 0 -37 17 21.8 17 7 13 61 16 0.56 205.7 184.73 8.74S
150 30 0 -37 31 31.3 17 8 30 61 15 0.56 205.6 184.65 8.65S
151 0 0 -37 45 30.2 17 9 47 61 13 0.56 205.5 184.56 8.56S
151 30 0 -37 59 18.5 17 11 3 61 11 0.56 205.4 184.46 8.47S
152 0 0 -38 12 55.9 17 12 18 61 10 0.56 205.3 184.37 8.37S
152 30 0 -38 26 22.4 17 13 32 61 8 0.57 205.2 184.27 8.28S
153 0 0 -38 39 38.0 17 14 46 60 6 0.57 205.1 184.18 8.18S
153 30 0 -38 52 42.4 17 15 59 60 5 0.57 205.0 184.08 8.08S
154 0 0 -39 5 35.8 17 17 11 60 3 0.58 204.9 183.97 7.98S
154 30 0 -39 18 17.9 17 18 22 60 1 0.58 204.8 183.87 7.88S
155 0 0 -39 30 48.8 17 19 32 60 360 0.59 204.7 183.77 7.77S
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.
2020 is in the Kepler2 program, ID= 212673769
2020 is double:
This next pair is not confirmed
** 7.4 7.4 0.10" 90.0 (OCc1457) Graze path of ? approximately 0.1 km south, and 0.3 secs later compared to the primary
- refer to graze profile for exact distances
C A S S I N I R E G I O N G R A Z E
Librations Long -2.26 Lat -4.90
P +185.65 D -4.40
Illumination of moon 79%-
Elongation of Moon 126
Vertical Profile Scale approx. 2.14 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.25 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
5.5 4.7 6.2 7.0 7.5 7.9 8.1 8.3
7.5 5.1 6.6 7.4 7.9 8.3 8.5 8.7
9.5 5.6 7.1 7.9 8.4 8.8 9.1 9.3
11.5 5.6 7.1 7.9 8.4 8.8 9.1 9.3
13.5 5.7 7.1 7.9 8.4 8.8 9.1 9.3
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Double star catalogue details
Star is a Kepler2 target star. EPIC_ID = 212673769
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Adelaide 138.6 -34.6 303km 16 35 34.1
AU Mid 143.0 -30.6 293km 16 48 8.6
Bendigo 144.3 -36.8 220km 16 51 54.0
Canberra 149.2 -35.3 153km 17 5 0.2
Melbourne 145.0 -37.8 283km 16 53 40.2
Lunar Limb Profile