Predictions for Grazing Occultation of ZC 2045, 2008 Jun 14
Grazing Occultation of 2045 cK0 Magnitude 6.4
Date 2008 June 14 (Saturday) Nominal site altitude 0m
E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA
o ' " o ' " h m s Alt Alt Az o o o
136 0 0 -35 22 50 14 48 28 45 279 0.99 20.8 2.16 6.30N
136 10 0 -35 23 2 14 48 46 45 279 0.99 20.8 2.10 6.24N
136 20 0 -35 23 12 14 49 4 45 279 1.00 20.7 2.04 6.18N
136 30 0 -35 23 20 14 49 22 45 279 1.01 20.6 1.98 6.12N
136 40 0 -35 23 27 14 49 40 45 278 1.02 20.6 1.92 6.06N
136 50 0 -35 23 33 14 49 58 44 278 1.02 20.5 1.86 6.00N
137 0 0 -35 23 38 14 50 16 44 278 1.03 20.5 1.80 5.94N
137 10 0 -35 23 41 14 50 34 44 278 1.04 20.4 1.74 5.88N
137 20 0 -35 23 43 14 50 51 44 278 1.04 20.3 1.68 5.82N
137 30 0 -35 23 44 14 51 9 44 278 1.05 20.3 1.62 5.76N
137 40 0 -35 23 43 14 51 26 43 277 1.06 20.2 1.56 5.70N
137 50 0 -35 23 41 14 51 44 43 277 1.06 20.2 1.51 5.64N
138 0 0 -35 23 38 14 52 1 43 277 1.07 20.1 1.45 5.59N
138 10 0 -35 23 34 14 52 18 43 277 1.08 20.1 1.39 5.53N
138 20 0 -35 23 28 14 52 35 43 277 1.09 20.0 1.33 5.47N
138 30 0 -35 23 21 14 52 52 42 277 1.09 19.9 1.27 5.41N
138 40 0 -35 23 12 14 53 9 42 277 1.10 19.9 1.22 5.36N
138 50 0 -35 23 3 14 53 26 42 276 1.11 19.8 1.16 5.30N
139 0 0 -35 22 52 14 53 42 42 276 1.12 19.8 1.10 5.24N
139 10 0 -35 22 39 14 53 59 42 276 1.12 19.7 1.05 5.19N
139 20 0 -35 22 26 14 54 16 41 276 1.13 19.7 0.99 5.13N
139 30 0 -35 22 11 14 54 32 41 276 1.14 19.6 0.93 5.07N
139 40 0 -35 21 55 14 54 49 41 276 1.15 19.5 0.88 5.02N
139 50 0 -35 21 38 14 55 5 41 275 1.15 19.5 0.82 4.96N
140 0 0 -35 21 20 14 55 21 41 275 1.16 19.4 0.77 4.91N
Path coordinates are referred to WGS84 (as used by GPS).
2045 is double : 6.2 10.3 0.70" 99.0
Graze Path of component #2 0.23km South, and 1.9 secs. later cf. primary.
C A S S I N I R E G I O N G R A Z E
Librations Long +2.82 Lat +6.34
P +1.1 D -6.0
Illumination of moon 85%+
Elongation of Moon 134
Vertical Profile Scale 1.88 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.43 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
0.9 2.6 4.0 4.7 5.2 5.5 5.7 5.8
2.9 2.8 4.3 5.0 5.5 5.8 6.0 6.1
4.9 4.6 6.0 6.8 7.2 7.6 7.8 7.9
6.9 4.7 6.1 6.9 7.4 7.7 7.9 8.1
8.9 5.1 6.6 7.3 7.8 8.1 8.4 8.6
Lunar Limb Profile