EOSOC Resources

This observing program wouldn’t be possible without the use of computers and the Internet. While none of the following resources are officially endorsed by the EOSOC, many of them provide information and software (freeware, shareware, and licensed versions) that will be invaluable to program participants. If you are aware of any resources that you would like to share with the EOSOC, please let us know.

Join the EOSOC listserv to discuss satellite observing with other EOSOC participants.
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General Resources

Heavens-Above – A useful resource, but be cautious of the objects you’re observing, if we can’t verify them from the Official US Gov’t database we can’t count them toward the award.
Celestrak Web Site – Here you’ll find access to plenty of bright satellites for observing and a host of other related information.

Dedicated Tracking Software (and Hardware)
SkyShow.com – Home of C-Sat telescope pointing software
Merlin Controls Corp
Analytical Graphics Inc. – A Satellite toolkit, plus many additional resources

Planetarium Software with Satellite Tracking Capabilities

Sky Chart III by Southern Stars Systems
SkyMap by SkyMap Software
Starry Night (Backyard and Pro) by SPACE.com, Inc.
The Sky by Software Bisque


Definition of Two-line Element Set Coordinate System