OSO

Orbiting Solar Observatory
(OSO) series satellites


Below is a checklist of Orbiting Solar Observatory (OSO) series satellite postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.). Catalog numbers, years of issue, and notes on the satellites featured are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.

Farther below is a list of OGO-series launch covers, anniversary-of-launch covers, and launch-related event covers.

For OSO launch information see the OSO-series table on the scientific/research satellites page.


CountryCatalog Number*Type of Item**Year of IssueNotes on Content
OSO
Antigua and Barbuda702In (lower-center) margin of SS11983OSO-8
Barbuda577In (lower-center) margin of SS1, Antigua 702 overprinted1983OSO-8
Central Africa Republic1175bOne of MS4 (1175 (a-d))1997OSO-1
Gambia2269dOne of MS6 (2269 (a-f))2000OSO-1/71
Gambia2269d imp essayOne of MS6 (2269 imperforate essay (a-f))2000OSO-1/71
Micronesia344b (Mi722)One of MS20 (344 (a-t))1999OSO-1
Panama457B (Mi780)1964OSO-1
Paraguay922 (Mi1522)
i922 (Mi1530)
Changed colors on imperforate1966OSO-1/71
Paraguay926 (Mi1526)
i926 (Mi1534)
Changed colors on imperforate1966OSO-1/71
Paraguay926a (BL79)
i926a (BL80)
SS1, changed colors on imperforate1966OSO-1/71
Satellite Beach FL (U.S.)Localset-C03 (blue)1964OSO-1/71
Satellite Beach FL (U.S.)Localset-C03 (blue) overprinted in gold1965OSO-1/71
Sharjah48 (Mi60)1964OSO-1/71
Sharjah48A48 overprinted new currency1967OSO-1/71
Tanzania13231994OSO-8
Togo501 (Mi447)1964OSO-1/71
Togo503 (Mi449)1964OSO-1/71
Togo505a (BL17)Imperforate MS4 (502-505)1964OSO-1/71
Umm Al QiwainMi781966AOSO2
Umm Al QiwainMi89Mi78 overprinted new currency1967AOSO2
United StatesNoneCachet on OAO-2 launch cover1968OSO-1/71
United StatesNoneCachet on OGO-5 launch cover1968OSO-1/71
Yemen Arab RepublicC90 (Mi1701)
C90_ds
Also imperforate deluxe sheet1982OSO-1/71

*Scott catalog number, unless prefixed with Mi or BL for Michel; "i" prefix denotes imperforate version.
**SS# = souvenir sheet, MS# = miniature sheet, where # = number of stamps in sheet, and the numbers in parentheses are the catalog numbers of the stamps in the sheet.

1OSO-1 thru OSO-7 are all basically identical.
2The AOSO (Advanced OSO) program was canceled.


Below is a list of OSO-series launch covers, anniversary-of-launch covers, and launch-related event covers.


CountryCancel DateCancel LocationType of ItemNotes on Content
OSO
United States1962-03-07Patrick AFB, FL(SpaceCraft/Swanson) cachet on coverOSO-1 launch
United States1962-03-07Port Canaveral FL(Goldcraft) cachet on cover, also insertOSO-1 launch
United States1965-02-03Cape Canaveral FL(SpaceCraft/Swanson) cachet on coverOSO-2 launch
United States1965-08-25Cape Canaveral FL(SpaceCraft/Swanson) cachet on coverOSO-C launch [failed]
United States1967-03-08Patrick AFB, FL(SpaceCraft/Swanson) cachet on coverOSO-3 launch
United States1967-03-08Cape Canaveral FL(Orbit) cachet on coverOSO-3 launch
United States1967-10-18Cape Canaveral FL(SpaceCraft/Swanson) cachet on coverOSO-4 launch
United States1967-10-18Cape Canaveral FL(Orbit) cachet on coverOSO-4 launch
United States1969-01-22Patrick AFB, FL(SpaceCraft/Swanson) cachet on coverOSO-5 launch
United States1969-01-22Cape Canaveral FL(Centennial?) cachet on coverOSO-5 launch
United States1969-01-22Cape Canaveral FL(Orbit) cachet on coverOSO-5 launch
United States1969-01-22Satellite Beach FL(Rubber-stamp) cachet on coverOSO-5 launch
United States1969-08-09Cape Canaveral FL(Orbit) cachet on coverOSO-6 launch
United States1969-08-09Patrick AFB, FL(SpaceCraft/Swanson) cachet on coverOSO-6 launch
United States1971-09-29Kennedy Space Center FL(?) cachet on coverOSO-7 launch
United States1971-09-29Kennedy Space Center FL(Space Voyage) cachet on coverOSO-7 launch
United States1971-09-29Kennedy Space Center FL(Centennial?) cachet on coverOSO-7 launch
United States1975-06-21Satellite Beach FL(Rubber-stamp) cachet on coverOSO-8 launch
United States1975-06-21Cape Canaveral FL(Space Voyage) cachet on coverOSO-8 launch


Back to Scientific/research satellites.
Back to Un-Manned Satellite Philately.



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Updated: 2008-11-11