Predictions for Grazing Occultation of ZC 1213, 2006 Apr 6
Grazing Occultation of 1213 CA2 Magnitude 7.1
Date 2006 April 6 (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
113 0 0 -21 0 57 11 57 43 42 353 1.09 26.5 15.45 13.58N
113 10 0 -21 8 15 11 58 12 42 352 1.10 26.5 15.50 13.64N
113 20 0 -21 15 36 11 58 42 42 352 1.10 26.6 15.56 13.69N
113 30 0 -21 22 59 11 59 11 42 352 1.11 26.6 15.62 13.75N
113 40 0 -21 30 24 11 59 40 42 351 1.12 26.7 15.67 13.81N
113 50 0 -21 37 52 12 0 9 42 351 1.12 26.7 15.73 13.86N
114 0 0 -21 45 22 12 0 38 41 351 1.13 26.8 15.78 13.91N
114 10 0 -21 52 55 12 1 7 41 350 1.14 26.8 15.83 13.96N
114 20 0 -22 0 29 12 1 35 41 350 1.14 26.9 15.88 14.01N
114 30 0 -22 8 6 12 2 4 41 350 1.15 26.9 15.93 14.06N
114 40 0 -22 15 45 12 2 32 41 349 1.16 27.0 15.98 14.11N
114 50 0 -22 23 26 12 3 1 41 349 1.17 27.0 16.02 14.16N
115 0 0 -22 31 9 12 3 29 40 349 1.17 27.1 16.07 14.20N
115 10 0 -22 38 54 12 3 57 40 348 1.18 27.1 16.11 14.25N
115 20 0 -22 46 41 12 4 25 40 348 1.19 27.2 16.16 14.29N
115 30 0 -22 54 29 12 4 53 40 348 1.20 27.2 16.20 14.33N
115 40 0 -23 2 20 12 5 21 40 347 1.20 27.2 16.24 14.37N
115 50 0 -23 10 12 12 5 49 40 347 1.21 27.3 16.28 14.41N
116 0 0 -23 18 6 12 6 17 39 347 1.22 27.3 16.32 14.45N
Path coordinates are referred to WGS84 (as used by GPS).
1213 is double : 7.7 7.9 0.90" 76.0
Graze Path of component #2 1.45km South, and 2.2 secs. later cf. primary.
Librations Long +4.79 Lat -6.89
P +15.8 D +8.2
Illumination of moon 59%+
Elongation of Moon 101
Vertical Profile Scale 2.54 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.18 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
10.5 5.7 7.1 7.9 8.4 8.8 9.0 9.2
12.5 5.7 7.1 7.9 8.4 8.8 9.0 9.2
14.5 5.7 7.2 7.9 8.5 8.8 9.1 9.3
16.5 5.7 7.2 8.0 8.5 8.8 9.1 9.3
18.5 5.7 7.2 8.0 8.5 8.8 9.1 9.3
Lunar Limb Profile for graze near Exmouth
