PPRuNe Forums - View Single Post - ​​​​​​​Photo reconnaissance sorties
Old 5th Dec 2021, 14:58
  #2 (permalink)  
wiggy
 
Join Date: Feb 2001
Location: The Winchester
Posts: 6,375
Likes: 0
Received 0 Likes on 0 Posts
Not sure about what was done WW2 but some spy satellites are deliberately put into what are known as Sun-synchronous orbits so that imaging of items of interest is always done under the same lighting conditions.

https://en.wikipedia.org/wiki/Sun-synchronous_orbit
wiggy is offline