Predictions for Grazing Occultation of ZC 2583, 2007 Aug 23
Grazing Occultation of 2583 cA7 Magnitude 5.8
Date 2007 August 23 (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
145 0 0 -43 9 36 15 19 22 28 256 1.91 168.6 167.91 9.28S
145 10 0 -43 3 15 15 19 33 27 256 1.92 168.6 167.89 9.29S
145 20 0 -42 56 53 15 19 45 27 256 1.94 168.6 167.88 9.30S
145 30 0 -42 50 31 15 19 56 27 256 1.95 168.5 167.87 9.31S
145 40 0 -42 44 8 15 20 7 27 256 1.97 168.5 167.86 9.32S
145 50 0 -42 37 45 15 20 19 27 255 1.98 168.5 167.85 9.33S
146 0 0 -42 31 21 15 20 30 27 255 2.00 168.5 167.84 9.34S
146 10 0 -42 24 57 15 20 41 26 255 2.01 168.5 167.83 9.35S
146 20 0 -42 18 32 15 20 52 26 255 2.03 168.5 167.82 9.36S
146 30 0 -42 12 7 15 21 3 26 255 2.04 168.5 167.82 9.37S
146 40 0 -42 5 41 15 21 14 26 255 2.06 168.5 167.81 9.38S
146 50 0 -41 59 15 15 21 25 26 254 2.08 168.5 167.80 9.39S
147 0 0 -41 52 49 15 21 35 26 254 2.09 168.5 167.79 9.40S
147 10 0 -41 46 22 15 21 46 25 254 2.11 168.5 167.78 9.40S
147 20 0 -41 39 55 15 21 57 25 254 2.13 168.4 167.77 9.41S
147 30 0 -41 33 27 15 22 8 25 254 2.15 168.4 167.76 9.42S
147 40 0 -41 26 59 15 22 18 25 254 2.16 168.4 167.76 9.43S
147 50 0 -41 20 31 15 22 29 25 253 2.18 168.4 167.75 9.43S
148 0 0 -41 14 3 15 22 39 24 253 2.20 168.4 167.74 9.44S
148 10 0 -41 7 34 15 22 49 24 253 2.22 168.4 167.74 9.45S
148 20 0 -41 1 5 15 23 0 24 253 2.24 168.4 167.73 9.46S
148 30 0 -40 54 35 15 23 10 24 253 2.26 168.4 167.72 9.46S
148 40 0 -40 48 6 15 23 20 24 253 2.28 168.4 167.72 9.47S
148 50 0 -40 41 36 15 23 30 24 252 2.30 168.4 167.71 9.48S
149 0 0 -40 35 6 15 23 40 23 252 2.32 168.4 167.70 9.48S
Path coordinates are referred to WGS84 (as used by GPS).
2583 is double : 6.6 6.6 0.100" 90.0
Graze Path of component #2 0.04km North, and 0.2 secs. later cf. primary.
Librations Long -6.13 Lat +5.80
P +167.1 D +4.6
Illumination of moon 74%+
Elongation of Moon 119
Vertical Profile Scale 2.23 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.92 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
5.5 4.6 6.0 6.7 7.1 7.4 7.6 7.7
7.5 5.2 6.6 7.4 7.8 8.1 8.3 8.4
9.5 5.2 6.6 7.4 7.8 8.1 8.3 8.4
11.5 5.3 6.7 7.4 7.8 8.1 8.3 8.4
13.5 5.3 6.7 7.4 7.8 8.1 8.3 8.5
Lunar Limb Profile for graze
