Predictions for Grazing Occultation of ZC 1370, 2008 Apr 14
Grazing Occultation of 1370 WA0 Magnitude 6.9
Date 2008 April 14 (Monday) 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
148 0 0 -20 27 31 9 45 34 52 1 0.79 37.1 21.61 19.34N
148 10 0 -20 36 37 9 46 7 51 1 0.80 37.1 21.64 19.37N
148 20 0 -20 45 44 9 46 40 51 0 0.80 37.1 21.67 19.40N
148 30 0 -20 54 53 9 47 12 51 360 0.80 37.2 21.69 19.43N
148 40 0 -21 4 3 9 47 45 51 359 0.81 37.2 21.72 19.45N
148 50 0 -21 13 15 9 48 17 51 359 0.81 37.2 21.74 19.48N
149 0 0 -21 22 28 9 48 50 51 358 0.82 37.2 21.77 19.50N
149 10 0 -21 31 41 9 49 22 51 358 0.82 37.3 21.79 19.52N
149 20 0 -21 40 56 9 49 54 50 358 0.83 37.3 21.81 19.54N
149 30 0 -21 50 12 9 50 26 50 357 0.83 37.3 21.83 19.56N
149 40 0 -21 59 29 9 50 59 50 357 0.84 37.3 21.85 19.58N
149 50 0 -22 8 47 9 51 30 50 356 0.84 37.4 21.87 19.60N
150 0 0 -22 18 5 9 52 2 50 356 0.85 37.4 21.89 19.62N
150 10 0 -22 27 25 9 52 34 50 355 0.85 37.4 21.90 19.64N
150 20 0 -22 36 45 9 53 6 49 355 0.86 37.4 21.92 19.65N
150 30 0 -22 46 6 9 53 37 49 355 0.86 37.4 21.93 19.66N
150 40 0 -22 55 27 9 54 9 49 354 0.87 37.4 21.94 19.68N
150 50 0 -23 4 49 9 54 40 49 354 0.88 37.4 21.96 19.69N
151 0 0 -23 14 12 9 55 11 49 353 0.88 37.4 21.97 19.70N
151 10 0 -23 23 35 9 55 42 48 353 0.89 37.5 21.98 19.71N
151 20 0 -23 32 58 9 56 13 48 353 0.89 37.5 21.99 19.72N
151 30 0 -23 42 22 9 56 44 48 352 0.90 37.5 22.00 19.73N
151 40 0 -23 51 46 9 57 15 48 352 0.91 37.5 22.00 19.74N
151 50 0 -24 1 11 9 57 45 48 351 0.91 37.5 22.01 19.74N
152 0 0 -24 10 35 9 58 16 47 351 0.92 37.5 22.01 19.75N
Path coordinates are referred to WGS84 (as used by GPS).
1370 is double : 6.8 9.5 130" 253.0
Graze Path of component #2 240.71km North, and 212.3 secs. earlier cf. primary.
Librations Long +6.06 Lat -1.80
P +21.8 D +4.2
Illumination of moon 67%+
Elongation of Moon 110
Vertical Profile Scale 2.27 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.31 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
15.7 5.7 7.2 8.0 8.5 8.8 9.1 9.3
17.7 5.7 7.2 8.0 8.5 8.9 9.1 9.3
19.7 5.7 7.2 8.0 8.5 8.9 9.1 9.3
21.7 5.7 7.2 8.0 8.5 8.9 9.1 9.3
23.7 5.7 7.2 8.0 8.5 8.9 9.2 9.4
Lunar Limb Profile