Payload
GP-B
NonoperationalPayloadLEO
GP-B is a United States payload satellite, launched on April 20, 2004 into LEO.
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Launch
- Launch date
- April 20, 2004 at 04:57 PM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Delta II 7920-10C →
- Operator
- United States Air Force
- Mission
- Gravity Probe B
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 620 km
- Periapsis
- 618 km
- Inclination
- 89.85°
- Orbital period
- 97.08 min
Spacecraft
- Operator
- United States
- Launch mass
- 3,145 kg
Identity
- COSPAR (Int'l)
- 2004-014A
- NORAD catalog №
- 28230
- Object type
- Payload
- Owner / operator
United States- Radar cross-section
- 10.178 m²
- Status
- Nonoperational
End of mission
- Fate
- No longer operational — remains in orbit as inactive.
- Final status
- Nonoperational