Grazing Occultation of 1971 SG8 Magnitude 5.5
1971 = 86 Virginis
Date 2005 Februar 1 (Dienstag) 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
6 0 0 60 29 42 4 44 10 17 182 3.24 212.9 193.82 11.83S
6 3 0 60 26 15 4 44 15 17 182 3.23 212.9 193.84 11.84S
6 6 0 60 22 47 4 44 19 17 182 3.22 212.9 193.85 11.86S
6 9 0 60 19 20 4 44 24 17 182 3.21 213.0 193.86 11.87S
6 12 0 60 15 52 4 44 29 17 182 3.19 213.0 193.87 11.88S
6 15 0 60 12 24 4 44 34 17 182 3.18 213.0 193.88 11.89S
6 18 0 60 8 55 4 44 39 17 182 3.17 213.0 193.89 11.90S
6 21 0 60 5 27 4 44 43 18 183 3.16 213.0 193.90 11.91S
6 24 0 60 1 59 4 44 48 18 183 3.15 213.0 193.92 11.92S
6 27 0 59 58 30 4 44 53 18 183 3.14 213.0 193.93 11.93S
6 30 0 59 55 1 4 44 58 18 183 3.13 213.0 193.94 11.95S
6 33 0 59 51 32 4 45 3 18 183 3.12 213.0 193.95 11.96S
6 36 0 59 48 3 4 45 8 18 183 3.11 213.1 193.96 11.97S
6 39 0 59 44 34 4 45 13 18 183 3.10 213.1 193.97 11.98S
6 42 0 59 41 5 4 45 18 18 183 3.09 213.1 193.98 11.99S
6 45 0 59 37 35 4 45 23 18 183 3.08 213.1 193.99 12.00S
6 48 0 59 34 6 4 45 28 18 183 3.07 213.1 194.01 12.01S
6 51 0 59 30 36 4 45 33 18 183 3.06 213.1 194.02 12.02S
6 54 0 59 27 6 4 45 38 18 183 3.05 213.1 194.03 12.04S
6 57 0 59 23 36 4 45 43 18 183 3.04 213.1 194.04 12.05S
7 0 0 59 20 6 4 45 48 18 184 3.03 213.1 194.05 12.06S
7 3 0 59 16 36 4 45 53 18 184 3.02 213.2 194.06 12.07S
7 6 0 59 13 5 4 45 58 18 184 3.01 213.2 194.07 12.08S
7 9 0 59 9 35 4 46 3 18 184 3.00 213.2 194.08 12.09S
7 12 0 59 6 4 4 46 9 19 184 2.99 213.2 194.09 12.10S
7 15 0 59 2 34 4 46 14 19 184 2.98 213.2 194.10 12.11S
7 18 0 58 59 3 4 46 19 19 184 2.97 213.2 194.12 12.12S
7 21 0 58 55 32 4 46 24 19 184 2.96 213.2 194.13 12.13S
7 24 0 58 52 0 4 46 30 19 184 2.95 213.2 194.14 12.15S
7 27 0 58 48 29 4 46 35 19 184 2.94 213.2 194.15 12.16S
7 30 0 58 44 58 4 46 40 19 184 2.93 213.3 194.16 12.17S
7 33 0 58 41 26 4 46 45 19 184 2.92 213.3 194.17 12.18S
7 36 0 58 37 55 4 46 51 19 184 2.91 213.3 194.18 12.19S
7 39 0 58 34 23 4 46 56 19 184 2.90 213.3 194.19 12.20S
7 42 0 58 30 51 4 47 1 19 185 2.89 213.3 194.20 12.21S
7 45 0 58 27 19 4 47 7 19 185 2.88 213.3 194.21 12.22S
7 48 0 58 23 47 4 47 12 19 185 2.88 213.3 194.22 12.23S
7 51 0 58 20 15 4 47 18 19 185 2.87 213.3 194.23 12.24S
7 54 0 58 16 42 4 47 23 19 185 2.86 213.3 194.24 12.25S
7 57 0 58 13 10 4 47 29 19 185 2.85 213.4 194.26 12.26S
8 0 0 58 9 38 4 47 34 19 185 2.84 213.4 194.27 12.27S
8 3 0 58 6 5 4 47 40 19 185 2.83 213.4 194.28 12.28S
8 6 0 58 2 32 4 47 45 20 185 2.82 213.4 194.29 12.29S
8 9 0 57 58 59 4 47 51 20 185 2.81 213.4 194.30 12.30S
8 12 0 57 55 26 4 47 56 20 185 2.81 213.4 194.31 12.32S
8 15 0 57 51 53 4 48 2 20 185 2.80 213.4 194.32 12.33S
8 18 0 57 48 20 4 48 7 20 185 2.79 213.4 194.33 12.34S
8 21 0 57 44 47 4 48 13 20 186 2.78 213.4 194.34 12.35S
8 24 0 57 41 13 4 48 19 20 186 2.77 213.4 194.35 12.36S
8 27 0 57 37 40 4 48 24 20 186 2.76 213.5 194.36 12.37S
8 30 0 57 34 6 4 48 30 20 186 2.75 213.5 194.37 12.38S
8 33 0 57 30 33 4 48 36 20 186 2.75 213.5 194.38 12.39S
8 36 0 57 26 59 4 48 41 20 186 2.74 213.5 194.39 12.40S
8 39 0 57 23 25 4 48 47 20 186 2.73 213.5 194.40 12.41S
8 42 0 57 19 51 4 48 53 20 186 2.72 213.5 194.41 12.42S
8 45 0 57 16 17 4 48 59 20 186 2.71 213.5 194.42 12.43S
8 48 0 57 12 43 4 49 4 20 186 2.71 213.5 194.43 12.44S
8 51 0 57 9 9 4 49 10 20 186 2.70 213.5 194.44 12.45S
8 54 0 57 5 35 4 49 16 20 186 2.69 213.5 194.45 12.46S
8 57 0 57 2 0 4 49 22 20 187 2.68 213.6 194.46 12.47S
9 0 0 56 58 26 4 49 28 21 187 2.67 213.6 194.47 12.48S
9 3 0 56 54 51 4 49 33 21 187 2.67 213.6 194.48 12.49S
9 6 0 56 51 17 4 49 39 21 187 2.66 213.6 194.49 12.50S
9 9 0 56 47 42 4 49 45 21 187 2.65 213.6 194.50 12.51S
9 12 0 56 44 7 4 49 51 21 187 2.64 213.6 194.51 12.52S
9 15 0 56 40 32 4 49 57 21 187 2.64 213.6 194.52 12.53S
9 18 0 56 36 57 4 50 3 21 187 2.63 213.6 194.53 12.54S
9 21 0 56 33 22 4 50 9 21 187 2.62 213.6 194.54 12.55S
9 24 0 56 29 47 4 50 15 21 187 2.61 213.6 194.55 12.55S
9 27 0 56 26 12 4 50 21 21 187 2.61 213.7 194.56 12.56S
9 30 0 56 22 37 4 50 27 21 187 2.60 213.7 194.57 12.57S
9 33 0 56 19 2 4 50 33 21 187 2.59 213.7 194.58 12.58S
9 36 0 56 15 26 4 50 39 21 188 2.58 213.7 194.58 12.59S
9 39 0 56 11 51 4 50 46 21 188 2.58 213.7 194.59 12.60S
9 42 0 56 8 16 4 50 52 21 188 2.57 213.7 194.60 12.61S
9 45 0 56 4 40 4 50 58 21 188 2.56 213.7 194.61 12.62S
9 48 0 56 1 4 4 51 4 21 188 2.56 213.7 194.62 12.63S
9 51 0 55 57 29 4 51 10 21 188 2.55 213.7 194.63 12.64S
9 54 0 55 53 53 4 51 16 21 188 2.54 213.7 194.64 12.65S
9 57 0 55 50 17 4 51 23 22 188 2.54 213.7 194.65 12.66S
10 0 0 55 46 42 4 51 29 22 188 2.53 213.8 194.66 12.67S
10 3 0 55 43 6 4 51 35 22 188 2.52 213.8 194.67 12.68S
10 6 0 55 39 30 4 51 41 22 188 2.51 213.8 194.68 12.68S
10 9 0 55 35 54 4 51 48 22 188 2.51 213.8 194.69 12.69S
10 12 0 55 32 18 4 51 54 22 189 2.50 213.8 194.69 12.70S
10 15 0 55 28 42 4 52 0 22 189 2.49 213.8 194.70 12.71S
10 18 0 55 25 6 4 52 7 22 189 2.49 213.8 194.71 12.72S
10 21 0 55 21 30 4 52 13 22 189 2.48 213.8 194.72 12.73S
10 24 0 55 17 53 4 52 19 22 189 2.47 213.8 194.73 12.74S
10 27 0 55 14 17 4 52 26 22 189 2.47 213.8 194.74 12.75S
10 30 0 55 10 41 4 52 32 22 189 2.46 213.8 194.75 12.75S
10 33 0 55 7 5 4 52 39 22 189 2.46 213.8 194.76 12.76S
10 36 0 55 3 28 4 52 45 22 189 2.45 213.9 194.76 12.77S
10 39 0 54 59 52 4 52 52 22 189 2.44 213.9 194.77 12.78S
10 42 0 54 56 15 4 52 58 22 189 2.44 213.9 194.78 12.79S
10 45 0 54 52 39 4 53 5 22 189 2.43 213.9 194.79 12.80S
10 48 0 54 49 3 4 53 11 22 190 2.42 213.9 194.80 12.80S
10 51 0 54 45 26 4 53 18 22 190 2.42 213.9 194.81 12.81S
10 54 0 54 41 50 4 53 24 23 190 2.41 213.9 194.81 12.82S
10 57 0 54 38 13 4 53 31 23 190 2.41 213.9 194.82 12.83S
11 0 0 54 34 37 4 53 37 23 190 2.40 213.9 194.83 12.84S
11 3 0 54 31 0 4 53 44 23 190 2.39 213.9 194.84 12.85S
11 6 0 54 27 23 4 53 51 23 190 2.39 213.9 194.85 12.85S
11 9 0 54 23 47 4 53 57 23 190 2.38 213.9 194.85 12.86S
11 12 0 54 20 10 4 54 4 23 190 2.37 214.0 194.86 12.87S
11 15 0 54 16 34 4 54 11 23 190 2.37 214.0 194.87 12.88S
11 18 0 54 12 57 4 54 17 23 190 2.36 214.0 194.88 12.89S
11 21 0 54 9 20 4 54 24 23 191 2.36 214.0 194.89 12.89S
11 24 0 54 5 44 4 54 31 23 191 2.35 214.0 194.89 12.90S
11 27 0 54 2 7 4 54 38 23 191 2.35 214.0 194.90 12.91S
11 30 0 53 58 30 4 54 45 23 191 2.34 214.0 194.91 12.92S
11 33 0 53 54 54 4 54 51 23 191 2.33 214.0 194.92 12.92S
11 36 0 53 51 17 4 54 58 23 191 2.33 214.0 194.92 12.93S
11 39 0 53 47 40 4 55 5 23 191 2.32 214.0 194.93 12.94S
11 42 0 53 44 4 4 55 12 23 191 2.32 214.0 194.94 12.95S
11 45 0 53 40 27 4 55 19 23 191 2.31 214.0 194.95 12.95S
11 48 0 53 36 50 4 55 26 23 191 2.31 214.0 194.95 12.96S
11 51 0 53 33 14 4 55 32 23 191 2.30 214.1 194.96 12.97S
11 54 0 53 29 37 4 55 39 24 192 2.30 214.1 194.97 12.97S
11 57 0 53 26 1 4 55 46 24 192 2.29 214.1 194.97 12.98S
12 0 0 53 22 24 4 55 53 24 192 2.28 214.1 194.98 12.99S
12 3 0 53 18 47 4 56 0 24 192 2.28 214.1 194.99 13.00S
12 6 0 53 15 11 4 56 7 24 192 2.27 214.1 195.00 13.00S
12 9 0 53 11 34 4 56 14 24 192 2.27 214.1 195.00 13.01S
12 12 0 53 7 58 4 56 21 24 192 2.26 214.1 195.01 13.02S
12 15 0 53 4 21 4 56 28 24 192 2.26 214.1 195.02 13.02S
12 18 0 53 0 45 4 56 35 24 192 2.25 214.1 195.02 13.03S
12 21 0 52 57 9 4 56 42 24 192 2.25 214.1 195.03 13.04S
12 24 0 52 53 32 4 56 50 24 192 2.24 214.1 195.04 13.04S
12 27 0 52 49 56 4 56 57 24 192 2.24 214.1 195.04 13.05S
12 30 0 52 46 19 4 57 4 24 193 2.23 214.1 195.05 13.06S
12 33 0 52 42 43 4 57 11 24 193 2.23 214.1 195.05 13.06S
12 36 0 52 39 7 4 57 18 24 193 2.22 214.2 195.06 13.07S
12 39 0 52 35 31 4 57 25 24 193 2.22 214.2 195.07 13.07S
12 42 0 52 31 55 4 57 32 24 193 2.21 214.2 195.07 13.08S
12 45 0 52 28 18 4 57 40 24 193 2.21 214.2 195.08 13.09S
12 48 0 52 24 42 4 57 47 24 193 2.20 214.2 195.09 13.09S
12 51 0 52 21 6 4 57 54 24 193 2.20 214.2 195.09 13.10S
12 54 0 52 17 30 4 58 1 25 193 2.19 214.2 195.10 13.11S
12 57 0 52 13 54 4 58 9 25 193 2.19 214.2 195.10 13.11S
13 0 0 52 10 19 4 58 16 25 193 2.18 214.2 195.11 13.12S
13 3 0 52 6 43 4 58 23 25 194 2.18 214.2 195.12 13.12S
13 6 0 52 3 7 4 58 30 25 194 2.17 214.2 195.12 13.13S
13 9 0 51 59 31 4 58 38 25 194 2.17 214.2 195.13 13.13S
13 12 0 51 55 56 4 58 45 25 194 2.17 214.2 195.13 13.14S
13 15 0 51 52 20 4 58 52 25 194 2.16 214.2 195.14 13.15S
13 18 0 51 48 45 4 59 0 25 194 2.16 214.2 195.14 13.15S
13 21 0 51 45 9 4 59 7 25 194 2.15 214.2 195.15 13.16S
13 24 0 51 41 34 4 59 15 25 194 2.15 214.2 195.15 13.16S
13 27 0 51 37 59 4 59 22 25 194 2.14 214.3 195.16 13.17S
13 30 0 51 34 23 4 59 30 25 194 2.14 214.3 195.16 13.17S
13 33 0 51 30 48 4 59 37 25 195 2.13 214.3 195.17 13.18S
13 36 0 51 27 13 4 59 44 25 195 2.13 214.3 195.17 13.18S
13 39 0 51 23 38 4 59 52 25 195 2.13 214.3 195.18 13.19S
13 42 0 51 20 3 4 59 59 25 195 2.12 214.3 195.18 13.19S
13 45 0 51 16 28 5 0 7 25 195 2.12 214.3 195.19 13.20S
13 48 0 51 12 54 5 0 14 25 195 2.11 214.3 195.19 13.20S
13 51 0 51 9 19 5 0 22 25 195 2.11 214.3 195.20 13.21S
13 54 0 51 5 45 5 0 30 25 195 2.10 214.3 195.20 13.21S
13 57 0 51 2 10 5 0 37 25 195 2.10 214.3 195.21 13.22S
14 0 0 50 58 36 5 0 45 26 195 2.10 214.3 195.21 13.22S
14 3 0 50 55 2 5 0 52 26 195 2.09 214.3 195.22 13.22S
14 6 0 50 51 27 5 1 0 26 196 2.09 214.3 195.22 13.23S
14 9 0 50 47 53 5 1 7 26 196 2.08 214.3 195.23 13.23S
14 12 0 50 44 19 5 1 15 26 196 2.08 214.3 195.23 13.24S
14 15 0 50 40 46 5 1 23 26 196 2.08 214.3 195.23 13.24S
14 18 0 50 37 12 5 1 30 26 196 2.07 214.3 195.24 13.25S
14 21 0 50 33 38 5 1 38 26 196 2.07 214.3 195.24 13.25S
14 24 0 50 30 5 5 1 46 26 196 2.06 214.3 195.25 13.25S
14 27 0 50 26 31 5 1 54 26 196 2.06 214.3 195.25 13.26S
14 30 0 50 22 58 5 2 1 26 196 2.06 214.3 195.25 13.26S
14 33 0 50 19 25 5 2 9 26 196 2.05 214.4 195.26 13.26S
14 36 0 50 15 52 5 2 17 26 197 2.05 214.4 195.26 13.27S
14 39 0 50 12 19 5 2 24 26 197 2.04 214.4 195.26 13.27S
14 42 0 50 8 46 5 2 32 26 197 2.04 214.4 195.27 13.28S
14 45 0 50 5 13 5 2 40 26 197 2.04 214.4 195.27 13.28S
14 48 0 50 1 41 5 2 48 26 197 2.03 214.4 195.27 13.28S
14 51 0 49 58 8 5 2 56 26 197 2.03 214.4 195.28 13.29S
14 54 0 49 54 36 5 3 3 26 197 2.03 214.4 195.28 13.29S
14 57 0 49 51 4 5 3 11 26 197 2.02 214.4 195.28 13.29S
Path coordinates are referred to WGS84 (as used by GPS).
1971 is triple : 5.7 8.3 1.20" 306.0 : 5.8 11.9 27" 164.0
Graze Path of component #2 0.13km South, and 2.9 secs. earlier cf. primary.
Graze Path of component #3 63.53km North, and 51.1 secs. later cf. primary.
Librations Long -7.13 Lat +1.20
P +195.1 D +3.3
Illumination of moon 61%-
Elongation of Moon 103
Vertical Profile Scale 3.68 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.5 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
9.3 5.4 6.9 7.6 8.1 8.4 8.6 8.8
11.3 5.5 6.9 7.6 8.1 8.4 8.6 8.8
13.3 5.5 6.9 7.6 8.1 8.4 8.6 8.8
15.3 5.5 6.9 7.7 8.1 8.4 8.7 8.8
17.3 5.5 6.9 7.7 8.1 8.5 8.7 8.8
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