Payload
UFO 8 (USA 138)
NonoperationalPayloadGEONORAD 25258
UFO 8 (USA 138) is a US Navy payload satellite, launched on March 16, 1998 into GEO.
Launch
- Launch date
- March 16, 1998 at 09:32 PM UTC
- Launch site
- Cape Canaveral SFS, USA
- Launched by
- Atlas II →
- Operator
- Lockheed Martin
- Mission
- UHF F/O F8
- Launch record
- View full launch →
Orbit
- Orbit regime
- GEO
- Apoapsis
- 35,804 km
- Periapsis
- 35,770 km
- Inclination
- 11.13°
- Orbital period
- 1436.12 min
Spacecraft
- Operator
- US Navy
- Manufacturer
- Boeing Satellite Systems
- Users
- Military
- Launch mass
- 1,529.24 kg
- Dry mass
- 1,545 kg
- Design lifetime
- 4 years
- Dimensions
- 3.39 × 6.7 × 6.7 m
Identity
- COSPAR (Int'l)
- 1998-016A
- NORAD catalog №
- 25258
- Object type
- Payload
- Owner / operator
United States- Radar cross-section
- 14.1421 m²
- Status
- Nonoperational
End of mission
- Fate
- No longer operational — remains in orbit as inactive.
- Final status
- Nonoperational