Predictions for Grazing Occultation of ZC 3515, 2007 Aug 2

Grazing Occultation of    3515 cA1      Magnitude   6.3 
Date   2007 August  2    (Thursday)     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
 111  0  0  -26 49 16  19 18  9       60  14  0.57 316.0 338.21  18.55N
 111 10  0  -26 39 55  19 18 41       61  13  0.56 315.9 338.18  18.58N
 111 20  0  -26 30 32  19 19 12       61  13  0.56 315.9 338.14  18.62N
 111 30  0  -26 21  6  19 19 44       61  12  0.55 315.9 338.09  18.67N
 111 40  0  -26 11 38  19 20 16       61  12  0.55 315.8 338.06  18.70N
 111 50  0  -26  2  7  19 20 48       61  11  0.54 315.8 338.02  18.74N
 112  0  0  -25 52 34  19 21 20       62  11  0.54 315.7 337.98  18.78N
 112 10  0  -25 42 59  19 21 53       62  10  0.53 315.7 337.95  18.81N
 112 20  0  -25 33 21  19 22 25       62  10  0.53 315.7 337.91  18.85N
 112 30  0  -25 23 41  19 22 58       62   9  0.53 315.6 337.88  18.88N
 112 40  0  -25 13 59  19 23 31       62   8  0.52 315.6 337.84  18.92N
 112 50  0  -25  4 14  19 24  4       63   8  0.52 315.6 337.81  18.95N
 113  0  0  -24 54 27  19 24 37       63   7  0.51 315.5 337.77  18.98N
 113 10  0  -24 44 38  19 25 10       63   6  0.51 315.5 337.74  19.02N
 113 20  0  -24 34 47  19 25 44       63   6  0.50 315.5 337.71  19.05N
 113 30  0  -24 24 54  19 26 17       63   5  0.50 315.4 337.68  19.08N
 113 40  0  -24 14 59  19 26 51       64   4  0.50 315.4 337.65  19.11N
 113 50  0  -24  5  1  19 27 25       64   4  0.49 315.4 337.62  19.14N
 114  0  0  -23 55  2  19 27 59       64   3  0.49 315.4 337.59  19.17N
 114 10  0  -23 45  1  19 28 33       64   2  0.48 315.3 337.56  19.19N
 114 20  0  -23 34 57  19 29  7       64   2  0.48 315.3 337.54  19.22N
 114 30  0  -23 24 52  19 29 42       65   1  0.48 315.3 337.51  19.25N
 114 40  0  -23 14 45  19 30 16       65   0  0.47 315.3 337.49  19.27N
 114 50  0  -23  4 37  19 30 51       65 360  0.47 315.2 337.46  19.30N
 115  0  0  -22 54 26  19 31 26       65 359  0.47 315.2 337.44  19.32N
 115 10  0  -22 44 14  19 32  0       65 358  0.46 315.2 337.42  19.34N
 115 20  0  -22 34  0  19 32 35       65 357  0.46 315.2 337.38  19.37N
 115 30  0  -22 23 45  19 33 11       66 357  0.46 315.1 337.36  19.40N
 115 40  1  -22 13 28  19 33 46       66 356  0.45 315.1 337.34  19.42N
 115 50  1  -22  3  9  19 34 21       66 355  0.45 315.1 337.32  19.44N
 116  0  1  -21 52 49  19 34 56       66 354  0.45 315.1 337.30  19.46N

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

   3515 is double :   7.0  7.0   0.050"    0.0
Graze Path of component #2  0.07km South, and 0.1 secs. later cf. primary.

                Librations  Long -1.72   Lat -2.91
                            P +337.4     D +3.6
      Illumination of moon  83%-
        Elongation of Moon  131
    Vertical Profile Scale  2.00 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.41 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    15.5      5.7   7.1   7.9   8.5   8.8   9.1   9.3
    17.5      5.7   7.1   7.9   8.5   8.8   9.1   9.3
    19.5      5.7   7.1   7.9   8.5   8.8   9.1   9.3
    21.5      5.7   7.1   8.0   8.5   8.9   9.1   9.3
    23.5      5.7   7.2   8.0   8.5   8.9   9.1   9.3

Lunar Limb Profile for graze

Lunar Limb Profile