Orbits

Catalog of Earth Satellite Orbits| NASA geostationary Distance from earth to sun =150 Mkm or 93 Mmi 1 AU (Astronomical unit) Lagrange Points L1 - 150 Mkm between the Sun and Earth, and always views the Earth’s daylight side.
Constant view of the sun.
L2 - opposite the sun, always on the night side.
a good location for space telescopes
Only need one heat shield to block heat and light from the Sun and Earth. L4 and L5 - Same as Earth orbit
L4 60° ahead of earth
L5 60° behind earth


Links:
Historical Figures | wwu.edu
Hubble Images
Webb Telescope

Links: Glossary at hubblesite.org