Spy satellites[?], Navigation satellites[?] and Earth observation satellites[?] for remote sensing tend to use LEO orbits.
... size is 3.21 and the average family size is 3.51. In the town the population is spread out with 29.5% under the age of 18, 6.7% from 18 to 24, 33.6% from 25 to 44, 20.6% ...