Predictions for Grazing Occultation of ZC 2045, 2007 Aug 19

Grazing Occultation of    2045 cK0      Magnitude   6.4 
Date   2007 August 19    (Sunday)     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
 169 30  0  -43 23 38  10 38  6       18 261  3.03 196.5 178.19   4.13S
 169 40  0  -43 21 26  10 38 10       18 261  3.05 196.4 178.17   4.16S
 169 50  0  -43 19 14  10 38 15       18 261  3.08 196.4 178.14   4.19S
 170  0  0  -43 17  1  10 38 19       18 261  3.10 196.4 178.12   4.21S
 170 10  0  -43 14 48  10 38 24       18 261  3.13 196.4 178.09   4.24S
 170 20  0  -43 12 34  10 38 28       18 261  3.16 196.3 178.06   4.27S
 170 30  0  -43 10 19  10 38 32       17 261  3.18 196.3 178.04   4.29S
 170 40  0  -43  8  3  10 38 37       17 260  3.21 196.3 178.01   4.32S
 170 50  0  -43  5 46  10 38 41       17 260  3.24 196.3 177.99   4.34S
 171  0  0  -43  3 29  10 38 45       17 260  3.27 196.2 177.96   4.37S
 171 10  0  -43  1 11  10 38 49       17 260  3.29 196.2 177.93   4.39S
 171 20  0  -42 58 53  10 38 53       17 260  3.32 196.2 177.91   4.42S
 171 30  0  -42 56 34  10 38 58       17 260  3.35 196.2 177.88   4.44S
 171 40  0  -42 54 14  10 39  2       16 260  3.38 196.1 177.86   4.47S
 171 50  0  -42 51 53  10 39  6       16 260  3.41 196.1 177.83   4.50S
 172  0  0  -42 49 31  10 39 10       16 259  3.45 196.1 177.81   4.52S
 172 10  0  -42 47  9  10 39 14       16 259  3.48 196.1 177.78   4.55S
 172 20  0  -42 44 46  10 39 18       16 259  3.51 196.0 177.76   4.57S
 172 30  0  -42 42 23  10 39 22       16 259  3.54 196.0 177.73   4.59S
 172 40  0  -42 39 59  10 39 25       16 259  3.58 196.0 177.71   4.62S
 172 50  0  -42 37 34  10 39 29       15 259  3.61 196.0 177.68   4.64S
 173  0  0  -42 35  8  10 39 33       15 259  3.64 195.9 177.66   4.67S
 173 10  0  -42 32 42  10 39 37       15 259  3.68 195.9 177.64   4.69S
 173 20  0  -42 30 15  10 39 41       15 258  3.71 195.9 177.61   4.72S
 173 30  0  -42 27 47  10 39 44       15 258  3.75 195.9 177.59   4.74S
 173 40  0  -42 25 19  10 39 48       15 258  3.79 195.8 177.56   4.77S
 173 50  0  -42 22 50  10 39 52       15 258  3.83 195.8 177.54   4.79S

Path coordinates are referred to WGS84 (as used by GPS).

   2045 is double :   6.2 10.3   0.70"   99.0
Graze Path of component #2  0.15km South, and 1.5 secs. later cf. primary.

                Librations  Long -1.98   Lat +5.69
                            P +177.3     D +5.9
      Illumination of moon  35%+
        Elongation of Moon  72
    Vertical Profile Scale  1.96 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.81 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
     0.8      4.4   5.8   6.5   6.9   7.2   7.3   7.5
     2.8      4.5   5.8   6.5   6.9   7.2   7.4   7.5
     4.8      5.2   6.6   7.3   7.8   8.0   8.2   8.4
     6.8      5.2   6.6   7.3   7.8   8.1   8.3   8.4
     8.8      5.2   6.6   7.4   7.8   8.1   8.3   8.5

Lunar Limb Profile

Lunar Limb Profile