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Echo 2
NASA passive communications satellite, reentered in 1969. Echo 2 was launched on January 25, 1964 aboard a Thor SLV-2 Agena B from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Jun 7, 1969).
COSPAR 1964-004ANORAD 740United States
Identity
- Name in GCAT
- Echo 2
- Payload designation
- NASA A-12
- Other names
- Echo C:P
- International designator
- 1964-004A
- NORAD catalog number
- 740
- GCAT identifier
- S00740
- UN registration
- A/AC.105/INF.063
Mission
- Mission type
- Communications
- Use
- Civil government
- Program
- Echo
- Owner
- NASA LaRC
- Country
- United States
- Builder
- G T Schjeldahl Inc.
- Platform (bus)
- Echo 135'
Launch
- Date
- January 25, 1964 · 13:59 UTC
- Launch record
- 1964-004Success
- Rocket
- Thor SLV-2 Agena B
- Spaceport
- Vandenberg · pad 75-1-1
Orbit and fate
- Orbit class (GCAT)
- LEO/I
- Perigee
- 1,008 km
- Apogee
- 1,338 km
- Inclination
- 81.48°
- Status
- Reentered (orbital decay)
- Status date
- June 7, 1969
- Last known active
- 1964
- End of operations
- 1964
Size
- Mass
- 278 kg
- Dry mass
- 256 kg
- Length
- 41.0 m
- Diameter
- 41.00 m
- Span
- 41.0 m
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q2082097 (CC0).