Payload
COBE
activePayloadLEO
The Cosmic Background Explorer, also referred to as Explorer 66, was a NASA satellite dedicated to cosmology, which operated from 1989 to 1993. Its goals were to investigate the cosmic microwave background radiation of the universe and provide measurements that would help shape the understanding of the cosmos.
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Launch
- Launch date
- November 18, 1989 at 02:34 PM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Delta 5920-8 →
- Operator
- United States Air Force
- Mission
- COBE
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 882 km
- Periapsis
- 868 km
- Inclination
- 98.9°
- Orbital period
- 102.46 min
Spacecraft
- Operator
- United States
- Launch mass
- 2,244.8 kg
Identity
- COSPAR (Int'l)
- 1989-089A
- NORAD catalog №
- 20322
- Object type
- Payload
- Owner / operator
United States- Radar cross-section
- 11.2647 m²
- Status
- active