Photo: USAF · Public domain (US government)
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About this launch
The Echo 2 spacecraft was a 41-m balloon of aluminum foil-mylar laminate. Echo 2 was designed as a rigidized passive communications spacecraft for testing propagation, tracking, and communication techniques.
More about this launch
Flight profileThe climb, seen from the side · 3D replay on the globe
Launch window and padVandenberg SFB, CA, USA
- Site
- Vandenberg SFB, CA, USA
Rocket and boosterThor SLV-2 Agena B
- Vehicle
- Thor SLV-2 Agena B
Thor SLV-2 Agena B: specs, record and next flights → US Air Force: all its launches →
MissionCommunications · LEO
Communications · LEO
What it put in orbit5 catalogued objects
| Object | Type | Orbit | Globe |
|---|---|---|---|
| ECHO 2 (A-12) 1964-004A | Payload | re-entered 1969-06-07 | |
| THOR AGENA B R/B 1964-004B | Rocket body | 1041 × 1299 km · 81.5° | Globe |
| ECHO 2 DEB [METAL OBJ] 1964-004C | Debris | 1031 × 1290 km · 81.5° | Globe |
| ECHO 2 DEB [METAL OBJ] 1964-004D | Debris | 1028 × 1289 km · 81.5° | Globe |
| THOR AGENA B DEB 1964-004E | Debris | re-entered 1966-02-23 |
COSPAR ID 1964-004. Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).
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