Predictions for Grazing Occultation of ZC 2601, 2008 Mar 1

Grazing Occultation of    2601 SK4      Magnitude   6.8 
Date   2008 March  1    (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
 115  0  0  -29 50 38  18 35 10       24 110  2.28 188.3 187.97  10.06S
 115 10  0  -29 56 18  18 35 20       24 110  2.26 188.2 187.96  10.04S
 115 20  0  -30  1 58  18 35 30       24 109  2.24 188.2 187.95  10.04S
 115 30  0  -30  7 38  18 35 39       24 109  2.21 188.2 187.94  10.03S
 115 40  0  -30 13 18  18 35 49       24 109  2.19 188.2 187.93  10.02S
 115 50  0  -30 18 57  18 35 59       25 109  2.17 188.2 187.92  10.01S
 116  0  0  -30 24 35  18 36  9       25 109  2.15 188.2 187.91  10.00S
 116 10  0  -30 30 14  18 36 19       25 109  2.13 188.2 187.90   9.99S
 116 20  0  -30 35 52  18 36 29       25 109  2.12 188.2 187.89   9.98S
 116 30  0  -30 41 29  18 36 39       25 109  2.10 188.2 187.88   9.97S
 116 40  0  -30 47  6  18 36 49       26 108  2.08 188.2 187.87   9.96S
 116 50  0  -30 52 43  18 36 59       26 108  2.06 188.1 187.86   9.95S
 117  0  0  -30 58 19  18 37 10       26 108  2.04 188.1 187.85   9.94S
 117 10  0  -31  3 55  18 37 20       26 108  2.02 188.1 187.84   9.93S
 117 20  0  -31  9 30  18 37 30       27 108  2.01 188.1 187.83   9.92S
 117 30  0  -31 15  5  18 37 41       27 108  1.99 188.1 187.82   9.91S
 117 40  0  -31 20 40  18 37 52       27 108  1.97 188.1 187.81   9.90S
 117 50  0  -31 26 14  18 38  2       27 108  1.95 188.1 187.80   9.88S
 118  0  0  -31 31 47  18 38 13       27 107  1.94 188.1 187.78   9.87S
 118 10  0  -31 37 20  18 38 24       27 107  1.92 188.1 187.77   9.86S
 118 20  0  -31 42 52  18 38 35       28 107  1.90 188.0 187.76   9.85S
 118 30  0  -31 48 24  18 38 46       28 107  1.89 188.0 187.75   9.84S
 118 40  0  -31 53 56  18 38 57       28 107  1.87 188.0 187.74   9.82S
 118 50  0  -31 59 26  18 39  8       28 107  1.86 188.0 187.72   9.81S
 119  0  0  -32  4 57  18 39 19       28 107  1.84 188.0 187.71   9.80S

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

   2601 is triple :   6.6  9.1   0.200"  212.0 :   6.7 13.0   8.9"   27.0
Graze Path of component #2  0.34km North, and 0.2 secs. earlier cf. primary.
Graze Path of component #3  15.81km South, and 6.5 secs. later cf. primary.

                Librations  Long -3.13   Lat +5.42
                            P +187.4     D +6.0
      Illumination of moon  34%-
        Elongation of Moon  71
    Vertical Profile Scale  1.96 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.71 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
     5.8      5.7   7.2   8.0   8.5   8.8   9.1   9.3
     7.8      5.7   7.2   8.0   8.5   8.9   9.1   9.3
     9.8      5.8   7.2   8.0   8.5   8.9   9.1   9.3
    11.8      5.8   7.2   8.0   8.5   8.9   9.2   9.3
    13.8      5.8   7.2   8.0   8.5   8.9   9.2   9.4
    

Lunar Limb Profile

Lunar Limb Profile