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