GPS · Navigation
NAVSTAR 3 (OPS 5113)
NonoperationalNavigationMEONORAD 11054
NAVSTAR 3 (OPS 5113) is a U.S. Space Force navigation satellite, part of the GPS constellation, launched on October 7, 1978 into MEO.
Launch
- Launch date
- October 7, 1978 at 12:28 AM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Atlas F/SVS →
- Operator
- United States Air Force
- Mission
- Navstar 3
- Launch record
- View full launch →
Orbit
- Orbit regime
- MEO
- Apoapsis
- 21,099 km
- Periapsis
- 20,549 km
- Inclination
- 62.94°
- Orbital period
- 744.17 min
Spacecraft
- Operator
- U.S. Space Force
- Manufacturer
- Lockheed Martin
- Users
- Government/Military
- Launch mass
- 520.32 kg
- Design lifetime
- 15 years
- Dimensions
- Ø2.6 × 2.4 m
- Detailed purpose
- Navigation
Identity
- COSPAR (Int'l)
- 1978-093A
- NORAD catalog №
- 11054
- Object type
- Payload
- Owner / operator
United States
- Constellation
- GPS
- Radar cross-section
- 0.5283 m²
- Status
- Nonoperational
End of mission
- Fate
- No longer operational — remains in orbit as inactive.
- Final status
- Nonoperational
Related news
Xona secures spectrum approval for 250-satellite navigation network
SpaceNews · 2mo ago
Air Force takes over troubled military GPS receiver program
SpaceNews · 2mo ago
Finding solutions to jamming and spoofing
SpaceNews · 3mo ago
NASA Mission to Study Space Weather Impacts of Earth’s Atmosphere
NASA · 3mo ago
Space Force orders two more GPS satellites from Lockheed Martin for $514 million
SpaceNews · 4mo ago
Russia is jamming GPS from space
SpaceNews · 4mo ago
HASC NDAA markup challenges Space Force on satellite programs
SpaceNews · 4mo ago
Electronics manufacturer Murata to explore Xona satellite timing service for telecom, data centers
SpaceNews · 4mo ago
Live coverage: SpaceX to launch final GPS III satellite for the U.S. Space Force
Spaceflight Now · 5mo ago
Launch Preview: GPS, Progress, and Starlink missions to launch during busy week
NASASpaceflight · 5mo ago
The future of GPS satellites with Fang Qian of Lockheed Martin
SpaceNews · 6mo ago
Lockheed Martin wins $105 million contract for GPS ground control system as OCX winds down
SpaceNews · 6mo ago