Predictions for Grazing Occultation of ZC 2508, 2014 Sep 3
Graze profile
Grazing Occultation of 2508 B8 Magnitude 6.3 [Red = 6.3]
Date: 2014 Sep 03 8h 25m, to 2014 Sep 03 8h 45m
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
167 0 0 -44 10 25 8 24 59 62 330 0.54 179.3 175.14 5.06S
167 30 0 -44 8 11 8 25 50 62 329 0.54 179.2 175.04 5.17S
168 0 0 -44 5 49 8 26 40 61 328 0.55 179.1 174.94 5.27S
168 30 0 -44 3 19 8 27 30 61 326 0.55 179.0 174.83 5.37S
169 0 0 -44 0 41 8 28 21 61 325 0.56 178.9 174.73 5.47S
169 30 0 -43 57 55 8 29 11 61 324 0.56 178.8 174.63 5.57S
170 0 0 -43 55 1 8 30 1 60 322 0.57 178.7 174.54 5.67S
170 30 0 -43 51 58 8 30 51 60 321 0.58 178.6 174.44 5.77S
171 0 0 -43 48 48 8 31 41 60 320 0.58 178.5 174.34 5.87S
171 30 0 -43 45 29 8 32 31 59 319 0.59 178.4 174.24 5.96S
172 0 0 -43 42 3 8 33 20 59 318 0.60 178.3 174.14 6.06S
172 30 0 -43 38 28 8 34 10 59 316 0.60 178.2 174.05 6.16S
173 0 0 -43 34 46 8 35 0 59 315 0.61 178.2 173.95 6.25S
173 30 0 -43 30 55 8 35 49 58 314 0.62 178.1 173.86 6.35S
174 0 0 -43 26 57 8 36 38 58 313 0.63 178.0 173.76 6.44S
174 30 0 -43 22 50 8 37 28 58 312 0.64 177.9 173.67 6.53S
175 0 0 -43 18 36 8 38 17 57 311 0.64 177.8 173.58 6.63S
175 30 0 -43 14 14 8 39 6 57 310 0.65 177.7 173.48 6.72S
176 0 0 -43 9 44 8 39 54 57 309 0.66 177.6 173.39 6.81S
176 30 0 -43 5 6 8 40 43 56 308 0.67 177.5 173.30 6.90S
177 0 0 -43 0 21 8 41 32 56 307 0.68 177.4 173.21 6.99S
177 30 0 -42 55 27 8 42 20 55 305 0.69 177.3 173.12 7.08S
178 0 0 -42 50 26 8 43 8 55 304 0.70 177.2 173.04 7.17S
178 30 0 -42 45 18 8 43 57 55 304 0.71 177.2 172.95 7.25S
179 0 0 -42 40 1 8 44 45 54 303 0.72 177.1 172.86 7.34S
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
C A S S I N I R E G I O N G R A Z E
Librations Long -7.06 Lat -6.33
P +174.71 D -6.78
Illumination of moon 59%+
Elongation of Moon 101
Vertical Profile Scale 2.07 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.45 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
2.3 4.9 6.4 7.2 7.7 8.1 8.3 8.5
4.3 5.2 6.6 7.4 8.0 8.3 8.6 8.8
6.3 5.8 7.3 8.1 8.6 9.0 9.3 9.5
8.3 5.8 7.3 8.1 8.6 9.0 9.3 9.5
10.3 5.8 7.3 8.1 8.6 9.0 9.3 9.5
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Chch graze 172.6 -43.5 10km 8 34 24
Dunedin 170.5 -45.9 220km 8 30 51
MidNZ 173.0 -41.0 282km 8 35 0
Wellington 174.8 -41.3 222km 8 37 57
Lunar Limb Profile
