Here are details about a :
Space commemorative cover
or Space Cover.
Cosmodrome / Location : USA
Date of Cancellation: Feb. 18, 1961
Event Type : Launch
Launch Pad / Location : USA Vandenberg SFB (CA)
Manned / Robotic Mission : Robotic
Mission Objective/Type : Military / Secret
ou?/where?: au sol - ground
autographe?: non - noneDescription : Discoverer 21, also known as RM-2, was an American satellite which was launched in 1961. It was a technology demonstration spacecraft, based on an Agena-B.
Upon successfully reaching orbit, it was assigned the Harvard designation 1961 Zeta 1.
Discoverer 21 was operated in a low Earth orbit, with a perigee of 243 kilometres (151 mi), an apogee of 1,026 kilometres (638 mi).
It remained in orbit until 20 April 1962, when it decayed and reentered the atmosphere. Keyword(s) :
#Planet,
#Rocket, SPACE REVUE : 02 - 2015 Last modified: 06/15/2015 @ 15h58
| Add to cart |
SEE ALSO  |
 |
  |
USA 48 | 54,- |
| |
item shown here with picture. |
| |
items related to the item shown. |
|
 See My Cart |
|
|
Page : future · Ref: USA 48 Space Event : DISCOVERER 21 (RM 2) (SATELLITE) · THOR AGENA
|
Pref.
Contact-us
