Predictions for Grazing Occultation of ZC 2051, 2008 Jan 2


Grazing Occultation of    2051  A*      Magnitude   5.9v

Date   2008 January  2    (Wednesday)     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
 147  0  0  -28 28 56  18 16 24       42  90  1.12 214.6 196.26  17.73S
 147 10  0  -28 37 55  18 16 49       42  90  1.11 214.6 196.27  17.74S
 147 20  0  -28 46 56  18 17 15       42  90  1.10 214.6 196.29  17.76S
 147 30  0  -28 55 57  18 17 41   -12 43  90  1.09 214.6 196.30  17.78S
 147 40  0  -29  5  0  18 18  8   -12 43  89  1.08 214.7 196.32  17.79S
 147 50  0  -29 14  4  18 18 34   -11 43  89  1.07 214.7 196.33  17.81S
 148  0  0  -29 23  8  18 19  0   -11 43  89  1.06 214.7 196.35  17.82S
 148 10  0  -29 32 14  18 19 27   -11 43  89  1.06 214.7 196.36  17.83S
 148 20  0  -29 41 21  18 19 53   -10 44  88  1.05 214.7 196.37  17.85S
 148 30  0  -29 50 28  18 20 20   -10 44  88  1.04 214.7 196.39  17.86S
 148 40  0  -29 59 37  18 20 47   -10 44  88  1.03 214.7 196.40  17.87S
 148 50  0  -30  8 46  18 21 14   -10 44  87  1.02 214.7 196.41  17.88S
 149  0  0  -30 17 56  18 21 41    -9 45  87  1.01 214.8 196.42  17.89S
 149 10  0  -30 27  7  18 22  8    -9 45  87  1.00 214.8 196.43  17.90S
 149 20  0  -30 36 19  18 22 36    -9 45  86  1.00 214.8 196.44  17.91S
 149 30  0  -30 45 31  18 23  3    -8 45  86  0.99 214.8 196.45  17.92S
 149 40  0  -30 54 44  18 23 31    -8 46  86  0.98 214.8 196.46  17.93S
 149 50  0  -31  3 57  18 23 58    -8 46  86  0.97 214.8 196.46  17.93S
 150  0  0  -31 13 11  18 24 26    -8 46  85  0.97 214.8 196.47  17.94S
 150 10  0  -31 22 26  18 24 54    -7 46  85  0.96 214.8 196.48  17.95S
 150 20  0  -31 31 41  18 25 21    -7 46  85  0.95 214.8 196.48  17.95S
 150 30  0  -31 40 56  18 25 49    -7 47  84  0.94 214.8 196.49  17.96S
 150 40  0  -31 50 12  18 26 17    -6 47  84  0.94 214.8 196.49  17.96S
 150 50  0  -31 59 27  18 26 45    -6 47  84  0.93 214.8 196.49  17.97S
 151  0  0  -32  8 44  18 27 14    -6 47  83  0.92 214.8 196.50  17.97S
 151 10  0  -32 18  0  18 27 42    -6 48  83  0.91 214.8 196.50  17.97S
 151 20  0  -32 27 16  18 28 10    -5 48  82  0.91 214.8 196.50  17.97S
 151 30  0  -32 36 33  18 28 39    -5 48  82  0.90 214.8 196.50  17.98S
 151 40  1  -32 45 50  18 29  7    -5 48  82  0.89 214.8 196.50  17.98S
 151 50  1  -32 55  6  18 29 36    -4 48  81  0.89 214.8 196.50  17.98S
 152  0  1  -33  4 23  18 30  4    -4 49  81  0.88 214.8 196.50  17.97S

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

   2051 = CS Vir,   5.84 to  5.95 V ,  Type ACV,  Period 9.2954 days,  Phase 0.93   Risetime = 4.6 days

                Librations  Long +2.22   Lat +5.79
                            P +196.7     D +5.2
      Illumination of moon  27%-
        Elongation of Moon  63
    Vertical Profile Scale  2.17 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.49 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    14.0      5.6   7.0   7.8   8.3   8.7   9.0   9.1
    16.0      5.6   7.0   7.8   8.3   8.7   9.0   9.1
    18.0      5.6   7.0   7.8   8.4   8.7   9.0   9.1
    20.0      5.6   7.0   7.8   8.4   8.7   9.0   9.1
    22.0      5.6   7.1   7.8   8.4   8.7   9.0   9.1

Lunar Limb Profile

Lunar Limb Profile