Predictions for Grazing Occultation of ZC2128, 2016 Aug 10
Graze profile
Grazing Occultation of 2128 G7 Magnitude 5.8 [Red = 5.3]
R2128 = 13 Librae
Date: 2016 Aug 10 12h 32m, to 2016 Aug 10 12h 46m
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 -28 35 10.1 12 31 40 33 274 1.53 192.9 175.44 3.52S
135 30 0 -28 33 36.5 12 32 12 33 274 1.56 192.8 175.34 3.62S
136 0 0 -28 31 56.1 12 32 44 32 273 1.59 192.7 175.24 3.72S
136 30 0 -28 30 8.7 12 33 15 32 273 1.63 192.6 175.13 3.82S
137 0 0 -28 28 14.7 12 33 46 31 273 1.66 192.5 175.04 3.92S
137 30 0 -28 26 13.9 12 34 15 30 272 1.70 192.4 174.94 4.01S
138 0 0 -28 24 6.6 12 34 45 30 272 1.74 192.3 174.84 4.11S
138 30 0 -28 21 52.9 12 35 13 29 272 1.78 192.2 174.75 4.21S
139 0 0 -28 19 32.7 12 35 42 29 272 1.82 192.1 174.65 4.30S
139 30 0 -28 17 6.2 12 36 9 28 271 1.86 192.0 174.56 4.39S
140 0 0 -28 14 33.6 12 36 36 28 271 1.90 192.0 174.47 4.48S
140 30 0 -28 11 54.7 12 37 3 27 271 1.95 191.9 174.38 4.57S
141 0 0 -28 9 9.9 12 37 28 27 270 1.99 191.8 174.30 4.66S
141 30 0 -28 6 19.1 12 37 54 26 270 2.04 191.7 174.21 4.74S
142 0 0 -28 3 22.4 12 38 18 26 270 2.09 191.6 174.13 4.83S
142 30 0 -28 0 19.9 12 38 42 25 269 2.14 191.5 174.04 4.91S
143 0 0 -27 57 11.8 12 39 6 25 269 2.19 191.4 173.96 4.99S
143 30 0 -27 53 57.9 12 39 29 24 269 2.24 191.4 173.88 5.07S
144 0 0 -27 50 38.6 12 39 51 23 268 2.30 191.3 173.80 5.15S
144 30 0 -27 47 13.7 12 40 13 23 268 2.36 191.2 173.72 5.23S
145 0 0 -27 43 43.5 12 40 35 22 268 2.42 191.1 173.65 5.31S
145 30 0 -27 40 8.0 12 40 55 22 268 2.49 191.1 173.57 5.38S
146 0 0 -27 36 27.2 12 41 16 21 267 2.55 191.0 173.50 5.45S
146 30 0 -27 32 41.3 12 41 35 21 267 2.62 190.9 173.42 5.53S
147 0 0 -27 28 50.2 12 41 54 20 267 2.70 190.8 173.35 5.60S
147 30 0 -27 24 54.2 12 42 13 20 266 2.77 190.8 173.28 5.67S
148 0 0 -27 20 53.2 12 42 31 19 266 2.85 190.7 173.21 5.74S
148 30 0 -27 16 47.4 12 42 49 19 266 2.94 190.6 173.14 5.81S
149 0 0 -27 12 36.8 12 43 6 18 266 3.02 190.6 173.08 5.87S
149 30 0 -27 8 21.4 12 43 22 18 265 3.12 190.5 173.01 5.94S
150 0 0 -27 4 1.5 12 43 38 17 265 3.21 190.4 172.95 6.01S
150 30 0 -26 59 37.0 12 43 54 17 265 3.32 190.4 172.88 6.07S
151 0 0 -26 55 7.9 12 44 9 16 265 3.43 190.3 172.82 6.13S
151 30 0 -26 50 34.4 12 44 23 16 264 3.54 190.2 172.76 6.19S
152 0 0 -26 45 56.5 12 44 37 15 264 3.67 190.2 172.70 6.25S
152 30 0 -26 41 14.0 12 44 51 15 264 3.80 190.1 172.64 6.31S
153 0 0 -26 36 27.6 12 45 4 14 264 3.94 190.1 172.58 6.37S
153 30 0 -26 31 37.0 12 45 16 14 263 4.09 190.0 172.52 6.43S
154 0 0 -26 26 42.3 12 45 28 13 263 4.25 190.0 172.47 6.48S
154 30 0 -26 21 43.5 12 45 39 13 263 4.42 189.9 172.41 6.54S
155 0 0 -26 16 40.8 12 45 50 12 263 4.60 189.8 172.36 6.59S
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 2 meters [Estimated]
C A S S I N I R E G I O N G R A Z E
Librations Long -1.88 Lat -6.13
P +173.81 D -6.04
Illumination of moon 47%+
Elongation of Moon 87
Vertical Profile Scale approx. 1.89 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.62 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
1.3 4.7 6.1 6.8 7.2 7.5 7.7 7.8
3.3 4.7 6.1 6.8 7.2 7.5 7.7 7.9
5.3 5.4 6.9 7.6 8.1 8.4 8.6 8.7
7.3 5.5 6.9 7.6 8.1 8.4 8.6 8.8
9.3 5.5 6.9 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 291km 12 39 5.8
Brisbane 153.1 -27.5 95km 12 45 4.7
Lunar Limb Profile