Predictions for Grazing Occultation of ZC 2875, 2008 May 24

Grazing Occultation of    2875  K0      Magnitude   6.0 

Date   2008 May 24    (Saturday)     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
 175  0  0  -40 34 24  12 55 41       50  79  0.85 348.4 357.02   3.74N
 175 10  0  -40 35 22  12 55 59       50  78  0.85 348.3 356.97   3.79N
 175 20  0  -40 36 20  12 56 18       50  78  0.84 348.3 356.91   3.85N
 175 30  0  -40 37 16  12 56 36       50  78  0.84 348.2 356.86   3.90N
 175 40  0  -40 38 11  12 56 54       50  78  0.83 348.2 356.81   3.95N
 175 50  0  -40 39  4  12 57 12       50  78  0.83 348.1 356.76   4.00N
 176  0  0  -40 39 57  12 57 31       51  77  0.82 348.1 356.70   4.05N
 176 10  0  -40 40 48  12 57 49       51  77  0.82 348.0 356.65   4.11N
 176 20  0  -40 41 38  12 58  8       51  77  0.81 348.0 356.60   4.16N
 176 30  0  -40 42 27  12 58 26       51  77  0.80 347.9 356.55   4.21N
 176 40  0  -40 43 14  12 58 45       51  76  0.80 347.9 356.49   4.27N
 176 50  0  -40 44  0  12 59  4       52  76  0.79 347.8 356.44   4.32N
 177  0  0  -40 44 45  12 59 22       52  76  0.79 347.8 356.38   4.38N

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

    C A S S I N I   R E G I O N   G R A Z E

                Librations  Long -4.65   Lat +2.96
                            P +356.1     D -2.4
      Illumination of moon  83%-
        Elongation of Moon  131
    Vertical Profile Scale  1.92 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.38 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
     0.4      2.7   4.1   4.9   5.3   5.6   5.9   6.0
     2.4      2.7   4.2   4.9   5.4   5.7   6.0   6.1
     4.4      4.7   6.1   6.9   7.4   7.7   8.0   8.2
     6.4      4.8   6.2   7.0   7.5   7.9   8.1   8.3
     8.4      5.3   6.7   7.5   8.0   8.4   8.6   8.8

Lunar Limb Profile