NLSA
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 Several dozen orbits of the
International Space Station trace out a "web" of paths. Polar regions are never
crossed because ISS has a relatively low inclination orbit. |
 Nova's
View from Space map with the real-time positions of 4,892 satellites. The dense cloud in the center is
composed of "LEO" Low Earth Orbiting satellites. The ring beyond is the
belt of geosynchronous satellites. |
 The constellation of
Global
Positioning System (GPS) satellites is arranged in several planes of nearly-circular
orbits. |
 The
International Space Station
traces out a gentle sine curve on the rectangular map because its orbit is inclined
at a small angle to
the equator. This image also shows use of the "NASA" style footprint
with
its irregular outline representing horizon obstructions. Day/night are
shown as well. |
 Three basic types of orbit
are shown by their ground tracks. ISS is in an inclined "circular" orbit.
A)-16's orbit is a steeply inclined "polar" orbit.
AO-40's orbit is
highly eccentric. |
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