Magnum/Orion

Magnum/Orion
series satellites


This page contains philatelic information on Magnum/Orion-series satellites. 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.

Launch information
(found elsewhere)
Launch covers
(including anniversary-of-launch covers, and launch-related event covers)
(farther below)
Other postal items
(stamps, souvenir sheets, aerogrammes, postal cards, etc.)
(immediately below)
Magnum/Orion
(USAF)
Magnum/Orion
(USAF)
Magnum/Orion
(USAF)


Below is a list of Magnum/Orion-series satellite postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Magnum/Orion (USAF)
No (non-launch cover) postal items found


Below is a list of Magnum/Orion-series satellite launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
Magnum/Orion (USAF)
1985-01-24: Magnum-1 / Orion-1 (from STS-20 (51C))
United States1985-01-24Cape Canaveral FL(Hand-written) cachet on coverSTS-51C launch; Magnum-1 deployed ("secret military satellite")
United States1985-01-25Cape Canaveral FL(Colorano silk) cachet on coverSTS-51C launch; Magnum-1 deployed
United States1985-01-25Edwards AFB, CA(Colorano silk) cachet on coverSTS-51C launch; Magnum-1 deployed ("secret payload" and "secret cargo")
United States1985-01-25Sunnyvale CA(Space Voyage) cachet on coverSTS-51C launch; Magnum-1 deployed ("classified military...satellite")
United States1985-01-25Cape Canaveral FL(Centennial) cachet on coverSTS-51C launch; Magnum-1 deployed ("secret military spy satellite")
United States1985-01-27Kennedy Space Center FL(Centennial) cachet on coverSTS-51C landing
1989-11-23: Magnum-2 / Orion-2 (from STS-33R)
United States1989-11-22Kennedy Space Center FL(Mission patch) cachet on cover, also insert and insert backSTS-33R launch
United States1989-11-22Kennedy Space Center FL(Tan and purple rubber-stamp) cachet on coverSTS-33R launch ("classified DoD payload")
United States1989-11-22Cape Canaveral FL(Black and blue rubber-stamp) cachet on (airmail) coverSTS-33R launch
United States1989-11-22Kennedy Space Center FL(Red printed) cachet on coverSTS-33R launch
United States1989-11-22Kennedy Space Center FL(Cyan printed) cachet on postcardSTS-33R launch
United States1989-11-22Kennedy Space Center FL(Colorano silk) cachet on coverSTS-33R launch
United States1989-11-22Cape Canaveral FL(Colorano silk) cachet on coverSTS-33R launch ("secret military spy satellite")
United States1989-11-22Houston TX(Colorano silk) cachet on coverSTS-33R launch ("secret military satellite")
United States1989-11-23Houston TX(Colorano silk) cachet on coverMagnum-2 deployed ("The National Security Agency [NSA] will operate the payload and monitor its signal interceptions" and "satellite said to be identical to the one deployed on the Defense Department mission 51-C", which is a reference to Magnum-1)
Australia1989-11-24Adelaide SA(Purple rubber-stamp) cachet on coverSTS-33R tracking
United States1989-11-24Kennedy Space Center FL(Black and blue rubber-stamp) cachet on (airmail) cover"recovered left solid rocket booster"
United States1989-11-27Edwards AFB, CA(Colorano silk) cachet on coverSTS-33R landing
United States1989-11-27Edwards AFB, CA(Brown printed) cachet on coverSTS-33R landing


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Updated: 2019-02-01