Predictions for Grazing Occultation of S188112, 2009 Sep 27

Grazing Occultation of  188112 K3      Magnitude 6.8 [Red = 6.1]   
Date: 2009 Sep 27 15h 39m,  to  2009 Sep 27 15h 45m

Nominal site altitude 5m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 115  0  0  -33 26 44  15 38 45       33 263  1.56 155.1 161.99  16.44S
 115 12  0  -33 18  4  15 39  6       32 263  1.58 155.1 161.99  16.43S
 115 24  0  -33  9 25  15 39 27       32 263  1.59 155.1 162.00  16.42S
 115 36  0  -33  0 46  15 39 47       32 262  1.61 155.2 162.01  16.41S
 115 48  0  -32 52  9  15 40  8       32 262  1.62 155.2 162.02  16.40S
 116  0  0  -32 43 33  15 40 28       31 262  1.64 155.2 162.03  16.39S
 116 12  0  -32 34 57  15 40 48       31 262  1.66 155.2 162.05  16.38S
 116 24  0  -32 26 23  15 41  8       31 261  1.67 155.2 162.06  16.37S
 116 36  0  -32 17 49  15 41 28       31 261  1.69 155.2 162.07  16.36S
 116 48  0  -32  9 17  15 41 47       30 261  1.71 155.2 162.08  16.34S
 117  0  0  -32  0 45  15 42  7       30 261  1.73 155.2 162.10  16.33S
 117 12  0  -31 52 15  15 42 26       30 261  1.74 155.2 162.11  16.32S
 117 24  0  -31 43 46  15 42 45       30 260  1.76 155.3 162.12  16.30S
 117 36  0  -31 35 17  15 43  4       29 260  1.78 155.3 162.14  16.29S
 117 48  0  -31 26 51  15 43 23       29 260  1.80 155.3 162.15  16.27S
 118  0  0  -31 18 25  15 43 41       29 260  1.82 155.3 162.17  16.26S
 118 12  0  -31 10  0  15 44  0       29 260  1.84 155.3 162.18  16.24S
 118 24  0  -31  1 37  15 44 18       28 259  1.86 155.3 162.20  16.23S
 118 36  0  -30 53 15  15 44 36       28 259  1.88 155.4 162.21  16.21S
 118 48  0  -30 44 54  15 44 54       28 259  1.90 155.4 162.23  16.20S
 119  0  0  -30 36 35  15 45 12       28 259  1.92 155.4 162.25  16.18S

Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.

Projected diameter of star  3 meters


                Librations  Long +1.03   Lat +0.42
                            P +162.11     D +0.97
      Illumination of moon  63%+
        Elongation of Moon  105
    Vertical Profile Scale  2.22 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.72 deg/min


At longitude 117.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
    12.3      5.5   7.0   7.7   8.2   8.5   8.8   8.9
    14.3      5.5   7.0   7.7   8.2   8.5   8.8   8.9
    16.3      5.5   7.0   7.7   8.2   8.6   8.8   9.0
    18.3      5.6   7.0   7.8   8.2   8.6   8.8   9.0
    20.3      5.6   7.0   7.8   8.3   8.6   8.8   9.0

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Lunar Limb Profile - Perth