Predictions for Grazing Occultation of ZC 2045, 2007 Aug 19
Grazing Occultation of 2045 cK0 Magnitude 6.4
Date 2007 August 19 (Sunday) 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
169 30 0 -43 23 38 10 38 6 18 261 3.03 196.5 178.19 4.13S
169 40 0 -43 21 26 10 38 10 18 261 3.05 196.4 178.17 4.16S
169 50 0 -43 19 14 10 38 15 18 261 3.08 196.4 178.14 4.19S
170 0 0 -43 17 1 10 38 19 18 261 3.10 196.4 178.12 4.21S
170 10 0 -43 14 48 10 38 24 18 261 3.13 196.4 178.09 4.24S
170 20 0 -43 12 34 10 38 28 18 261 3.16 196.3 178.06 4.27S
170 30 0 -43 10 19 10 38 32 17 261 3.18 196.3 178.04 4.29S
170 40 0 -43 8 3 10 38 37 17 260 3.21 196.3 178.01 4.32S
170 50 0 -43 5 46 10 38 41 17 260 3.24 196.3 177.99 4.34S
171 0 0 -43 3 29 10 38 45 17 260 3.27 196.2 177.96 4.37S
171 10 0 -43 1 11 10 38 49 17 260 3.29 196.2 177.93 4.39S
171 20 0 -42 58 53 10 38 53 17 260 3.32 196.2 177.91 4.42S
171 30 0 -42 56 34 10 38 58 17 260 3.35 196.2 177.88 4.44S
171 40 0 -42 54 14 10 39 2 16 260 3.38 196.1 177.86 4.47S
171 50 0 -42 51 53 10 39 6 16 260 3.41 196.1 177.83 4.50S
172 0 0 -42 49 31 10 39 10 16 259 3.45 196.1 177.81 4.52S
172 10 0 -42 47 9 10 39 14 16 259 3.48 196.1 177.78 4.55S
172 20 0 -42 44 46 10 39 18 16 259 3.51 196.0 177.76 4.57S
172 30 0 -42 42 23 10 39 22 16 259 3.54 196.0 177.73 4.59S
172 40 0 -42 39 59 10 39 25 16 259 3.58 196.0 177.71 4.62S
172 50 0 -42 37 34 10 39 29 15 259 3.61 196.0 177.68 4.64S
173 0 0 -42 35 8 10 39 33 15 259 3.64 195.9 177.66 4.67S
173 10 0 -42 32 42 10 39 37 15 259 3.68 195.9 177.64 4.69S
173 20 0 -42 30 15 10 39 41 15 258 3.71 195.9 177.61 4.72S
173 30 0 -42 27 47 10 39 44 15 258 3.75 195.9 177.59 4.74S
173 40 0 -42 25 19 10 39 48 15 258 3.79 195.8 177.56 4.77S
173 50 0 -42 22 50 10 39 52 15 258 3.83 195.8 177.54 4.79S
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 0.15km South, and 1.5 secs. later cf. primary.
Librations Long -1.98 Lat +5.69
P +177.3 D +5.9
Illumination of moon 35%+
Elongation of Moon 72
Vertical Profile Scale 1.96 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.81 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
0.8 4.4 5.8 6.5 6.9 7.2 7.3 7.5
2.8 4.5 5.8 6.5 6.9 7.2 7.4 7.5
4.8 5.2 6.6 7.3 7.8 8.0 8.2 8.4
6.8 5.2 6.6 7.3 7.8 8.1 8.3 8.4
8.8 5.2 6.6 7.4 7.8 8.1 8.3 8.5
Lunar Limb Profile