Weather
OPS 4311 (DMSP 5B F1)
NonoperationalWeatherLEONORAD 5557
OPS 4311 (DMSP 5B F1) is a United States weather satellite, launched on October 14, 1971 into LEO.
Launch
- Launch date
- October 14, 1971 at 07:51 AM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Thor Burner 2A →
- Operator
- United States Air Force
- Mission
- DSAP-5B F1
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 832 km
- Periapsis
- 761 km
- Inclination
- 99.02°
- Orbital period
- 100.8 min
Spacecraft
- Operator
- United States
- Launch mass
- 508.42 kg
- Dimensions
- 2.1 × 0.8 × 2.1 m
Identity
- COSPAR (Int'l)
- 1971-087A
- NORAD catalog №
- 5557
- Object type
- Payload
- Owner / operator
United States- Radar cross-section
- 1.1207 m²
- Status
- Nonoperational
End of mission
- Fate
- No longer operational — remains in orbit as inactive.
- Final status
- Nonoperational