Click here

perigee

In satellite communications, most satellites orbit the earth in elliptical patterns with the earth not in the exact center of the orbital pattern. When a satellite is at its closest point to the earth, it is at the perigee of the orbit. When a satellite is at its furthest point from the earth, it is at the apogee of the orbit.

apogee/perigee



Top Terms

Connect with Webopedia

  • The Difference Between Adware & Spyware

    Not technically fitting into either the virus or spam category we have spyware and adware, which are growing concerns for Internet users.

    Read More »

Did You Know? Archive »

  • Quick Reference Archive »