Predictions for Grazing Occultation of ZC 2907, 2007 Jun 4

Grazing Occultation of    2907 wK3      Magnitude   6.2 
Date   2007 June  4    (Monday)     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
 145  0  0  -43 26  7  15 15  4       57  64  0.65 345.3 355.48   7.24N
 145 10  0  -43 26  4  15 15 22       57  64  0.64 345.3 355.42   7.29N
 145 20  0  -43 26  0  15 15 41       57  64  0.64 345.2 355.37   7.34N
 145 30  0  -43 25 54  15 16  0       58  64  0.63 345.2 355.32   7.40N
 145 40  0  -43 25 47  15 16 19       58  63  0.63 345.1 355.26   7.45N
 145 50  0  -43 25 39  15 16 37       58  63  0.63 345.0 355.21   7.51N
 146  0  0  -43 25 30  15 16 56       58  63  0.62 345.0 355.15   7.56N
 146 10  0  -43 25 19  15 17 15       58  62  0.62 344.9 355.10   7.61N
 146 20  0  -43 25  7  15 17 34       58  62  0.62 344.9 355.05   7.67N
 146 30  0  -43 24 54  15 17 53       59  62  0.61 344.8 354.99   7.72N
 146 40  0  -43 24 39  15 18 12       59  61  0.61 344.8 354.94   7.78N
 146 50  0  -43 24 23  15 18 31       59  61  0.60 344.7 354.88   7.83N
 147  0  0  -43 24  6  15 18 50       59  61  0.60 344.7 354.83   7.89N
 147 10  0  -43 23 47  15 19 10       59  61  0.60 344.6 354.77   7.94N
 147 20  0  -43 23 28  15 19 29       59  60  0.59 344.6 354.72   8.00N
 147 30  0  -43 23  6  15 19 48       59  60  0.59 344.5 354.66   8.05N
 147 40  0  -43 22 44  15 20  8       60  60  0.59 344.4 354.60   8.11N
 147 50  0  -43 22 20  15 20 27       60  59  0.58 344.4 354.56   8.16N
 148  0  0  -43 21 55  15 20 46       60  59  0.58 344.3 354.50   8.21N

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

   2907 is double :   6.1 10.3   39"   40.0
Graze Path of component #2  42.19km South, and 85.2 secs. later cf. primary.

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

                Librations  Long -5.21   Lat +4.39
                            P +354.1     D -3.6
      Illumination of moon  87%-
        Elongation of Moon  137
    Vertical Profile Scale  1.93 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.4 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
     4.2      3.7   5.2   6.0   6.5   6.8   7.0   7.2
     6.2      4.7   6.1   6.9   7.4   7.8   8.0   8.2
     8.2      4.9   6.3   7.1   7.6   8.0   8.3   8.4
    10.2      5.4   6.8   7.6   8.2   8.5   8.8   9.0
    12.2      5.6   7.0   7.8   8.3   8.7   9.0   9.2

Lunar Limb Profile for graze

Lunar Limb Profile