Using Orbitron 3.71 software, I can tell that the penumbral duration today
was 9 seconds. However, this will vary in the future as the angle of the
orbit to the sun changes. However, the first sunlight the satellite will get
will be very red (due to the blue light scatter caused by the atmospher
Interesting thread regarding MET and ARISSat-1 switch on.
Someone made the very good point that the transition in or out of sunlight
(eclipse) is not an on/off event. I remember many MIR visuals, and as she
passed
from sunlight in the west to darkness in the east there was a significant time,