Predictions for Grazing Occultation of ZC 2961, 2007 Dec 13
Grazing Occultation of 2961 G8 Magnitude 5.9
2961 = 4 Capricorni
Date 2007 December 13 (Thursday) 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
150 0 0 -28 12 58 9 46 40 -11 24 257 2.27 151.9 163.86 17.18S
150 10 0 -28 5 49 9 46 53 -12 24 257 2.29 152.0 163.88 17.16S
150 20 0 -27 58 42 9 47 6 -12 23 257 2.31 152.0 163.90 17.14S
150 30 0 -27 51 36 9 47 19 23 257 2.34 152.0 163.92 17.12S
150 40 0 -27 44 33 9 47 32 23 257 2.36 152.0 163.94 17.09S
150 50 0 -27 37 30 9 47 44 23 256 2.39 152.0 163.97 17.07S
151 0 0 -27 30 30 9 47 57 23 256 2.41 152.1 163.99 17.05S
151 10 0 -27 23 31 9 48 10 22 256 2.44 152.1 164.01 17.02S
151 20 0 -27 16 34 9 48 22 22 256 2.47 152.1 164.04 17.00S
151 30 0 -27 9 38 9 48 34 22 256 2.49 152.1 164.06 16.98S
151 40 0 -27 2 44 9 48 46 22 256 2.52 152.2 164.08 16.95S
151 50 0 -26 55 52 9 48 58 21 256 2.55 152.2 164.11 16.93S
152 0 0 -26 49 2 9 49 10 21 255 2.58 152.2 164.13 16.90S
152 10 0 -26 42 13 9 49 22 21 255 2.61 152.2 164.16 16.88S
152 20 0 -26 35 26 9 49 33 21 255 2.64 152.3 164.18 16.86S
152 30 0 -26 28 40 9 49 45 21 255 2.67 152.3 164.21 16.83S
152 40 0 -26 21 56 9 49 56 20 255 2.70 152.3 164.23 16.81S
152 50 0 -26 15 14 9 50 7 20 255 2.73 152.3 164.26 16.78S
153 0 0 -26 8 34 9 50 18 20 255 2.76 152.4 164.28 16.76S
153 10 0 -26 1 55 9 50 29 20 255 2.79 152.4 164.31 16.73S
153 20 0 -25 55 18 9 50 40 19 255 2.82 152.4 164.33 16.71S
Path coordinates are referred to WGS84 (as used by GPS).
Librations Long -6.37 Lat +2.60
P +164.1 D +1.0
Illumination of moon 12%+
Elongation of Moon 41
Vertical Profile Scale 2.31 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.94 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
12.7 6.4 7.9 8.7 9.3 9.7 9.9 10.2
14.7 6.5 7.9 8.8 9.3 9.7 10.0 10.2
16.7 6.5 8.0 8.8 9.3 9.7 10.0 10.2
18.7 6.5 8.0 8.8 9.4 9.8 10.1 10.3
20.7 6.5 8.0 8.8 9.4 9.8 10.1 10.3
Lunar Limb Profile for graze