Orbiting Solar Observatory
This page contains reference images for the Orbiting Solar Observatory (OSO) series satellites. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.
(including anniversary-of-launch covers, and launch-related event covers)
|Other postal items
(stamps, souvenir sheets, aerogrammes, postal cards, etc.)
|OSO (on other than OSO launch covers)|
|Satellite(s)||Launch Date(s)||Reference Image(s)|
1OSO-1 — OSO-6 are all basically identical.
2The AOSO (Advanced OSO) program was canceled.
Back to Solar-observing satellites.
Back to Un-Manned Satellite Philately.