Here are details about a : Space commemorative cover or Space Cover.

Cosmodrome / Location : USA
Date of Cancellation: Jun 21, 1969 Event Type : Launch Launch Pad / Location : USA Vandenberg SFB (CA) Manned / Robotic Mission : Robotic Mission Objective/Type : Experimental / Science
ou?/where?: au sol - ground
autographe?: non - noneDescription : Spin-stabilized spacecraft placed into a high-inclination, highly elliptic orbit to measure energetic particles, magnetic fields, and plasma in cislunar space. The line of apsides and the satellite spin vector were within a few degrees of being parallel and normal, respectively, to the ecliptic plane.
Vandenberg post stamp and IMP G Explorer 41 satellite. Keyword(s) : #Planet, #Satellite, #Telecommunications, This is OUTSIDE of a Space Revue. Last modified: 05/20/2009 @ 21h56
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USA 436 | 8,- | 52,48 |
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Page : future · Ref: USA 436 Space Event : EXPLORER 41 (IMP G) (SATELLITE) · DELTA E1
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