Definition: orbital period: The time required for an object to make a complete revolution along its orbit.
orbital period
From Nick Greene, for About.com
Free Email Courses
Explore Space / Astronomy
Must Reads
About.com Special Features
Make Meals Easy
An easy way to put delicious meals together.Build Your Business
Get tips on starting up and staying competitive.Love Your Living Space
Achieve your dream home with advice from the pros.Financial Planning
Stay on top with our smart financial tips.
©2009 About.com, a part of The New York Times Company.
All rights reserved.