ECSS E 10-04 v0.10 - European Cooperation on Space Standardization ...

Solar energy flux at aphelion 1321,6 W m -2
Solar energy flux at perihelion 1412,9 W m -2
Table 6.3: Reference fixed index values
36
<strong>ECSS</strong>-E-<strong>10</strong>-<strong>04</strong>B (draft v0.<strong>10</strong>) 13/03/2008
Space Environment
Long-term Short-term
Low Mean High High
F<strong>10</strong>.7 70 140 250 380
S<strong>10</strong>.7 70 140 250 300
M<strong>10</strong>.7 70 140 250 300
Ap 0 15 25 300
Table 6.4: Reference index values for short term variation
Time [hrs] F<strong>10</strong>.7 ap
0 140 15
3 380 15
6 250 15
9 140 15
12 140 15
15 140 15
18 140 15
21 140 15
24 140 300
27 140 130
30 140 50
33 140 15
36 140 15
39 140 15
42 140 15
45 140 15
48 140 15