Predictions for Grazing Occultation of ZC 2673, 2008 Sep 9
Grazing Occultation of 2673 cA3 Magnitude 6.3
Date 2008 September 9 (Tuesday) 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
171 0 0 -41 54 57 8 53 24 70 314 0.37 166.1 167.92 10.00S
171 10 0 -41 51 57 8 53 44 70 313 0.37 166.0 167.87 10.05S
171 20 0 -41 48 55 8 54 4 70 313 0.37 165.9 167.81 10.10S
171 30 0 -41 45 52 8 54 24 70 312 0.37 165.9 167.76 10.16S
171 40 0 -41 42 48 8 54 44 69 311 0.37 165.8 167.70 10.22S
171 50 0 -41 39 42 8 55 5 69 311 0.38 165.8 167.65 10.27S
172 0 0 -41 36 34 8 55 25 69 310 0.38 165.7 167.59 10.33S
172 10 0 -41 33 24 8 55 45 69 309 0.38 165.7 167.54 10.38S
172 20 0 -41 30 13 8 56 5 69 309 0.38 165.6 167.48 10.43S
172 30 0 -41 27 1 8 56 26 69 308 0.39 165.6 167.43 10.49S
172 40 0 -41 23 46 8 56 46 69 308 0.39 165.5 167.37 10.54S
172 50 0 -41 20 30 8 57 6 69 307 0.39 165.4 167.32 10.60S
173 0 0 -41 17 13 8 57 27 69 307 0.39 165.4 167.26 10.65S
173 10 0 -41 13 53 8 57 47 68 306 0.39 165.3 167.21 10.71S
173 20 0 -41 10 33 8 58 7 68 305 0.40 165.3 167.15 10.76S
173 30 0 -41 7 10 8 58 28 68 305 0.40 165.2 167.10 10.81S
173 40 0 -41 3 46 8 58 48 68 304 0.40 165.2 167.05 10.87S
173 50 0 -41 0 20 8 59 9 68 304 0.40 165.1 166.99 10.92S
174 0 0 -40 56 53 8 59 29 68 303 0.41 165.1 166.94 10.98S
174 10 0 -40 53 23 8 59 50 68 303 0.41 165.0 166.89 11.03S
174 20 0 -40 49 53 9 0 10 68 302 0.41 165.0 166.83 11.08S
174 30 0 -40 46 20 9 0 31 67 302 0.42 164.9 166.78 11.14S
174 40 0 -40 42 46 9 0 52 67 301 0.42 164.9 166.73 11.19S
174 50 0 -40 39 10 9 1 12 67 301 0.42 164.8 166.67 11.24S
175 0 0 -40 35 33 9 1 33 67 300 0.42 164.8 166.62 11.29S
175 10 0 -40 31 54 9 1 54 67 300 0.43 164.7 166.57 11.35S
175 20 0 -40 28 13 9 2 14 67 299 0.43 164.7 166.52 11.40S
175 30 0 -40 24 31 9 2 35 67 299 0.43 164.6 166.47 11.45S
175 40 1 -40 20 47 9 2 56 67 298 0.43 164.5 166.41 11.50S
175 50 1 -40 17 1 9 3 17 66 298 0.44 164.5 166.36 11.55S
176 0 1 -40 13 14 9 3 37 66 297 0.44 164.4 166.31 11.61S
176 10 1 -40 9 25 9 3 58 66 297 0.44 164.4 166.26 11.66S
176 20 1 -40 5 34 9 4 19 66 296 0.45 164.3 166.21 11.71S
176 30 1 -40 1 41 9 4 40 66 296 0.45 164.3 166.16 11.76S
176 40 1 -39 57 47 9 5 1 66 295 0.45 164.2 166.10 11.81S
176 50 1 -39 53 52 9 5 22 66 295 0.46 164.2 166.05 11.86S
177 0 1 -39 49 54 9 5 43 65 294 0.46 164.1 166.00 11.91S
177 10 1 -39 45 55 9 6 4 65 294 0.46 164.1 165.95 11.96S
Path coordinates are referred to WGS84 (as used by GPS).
2673 is double : 6.4 9.1 0.30" 172.0
Graze Path of component #2 0.55km North, and 0.1 secs. earlier cf. primary.
Librations Long -2.19 Lat +4.23
P +165.8 D +3.8
Illumination of moon 66%+
Elongation of Moon 109
Vertical Profile Scale 1.95 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.32 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
8.0 5.8 7.2 8.0 8.6 9.0 9.2 9.4
10.0 5.8 7.2 8.1 8.6 9.0 9.2 9.5
12.0 5.8 7.3 8.1 8.6 9.0 9.3 9.5
14.0 5.8 7.3 8.1 8.6 9.0 9.3 9.5
16.0 5.8 7.3 8.1 8.6 9.0 9.3 9.5
Lunar Limb Profile
