Key statistics
Satellite OPS 5114 (NAVSTAR 4) at a glance.
Uptime
17011
Days in orbit
Revolutions
≈ 1.9
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
63.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 5114 (NAVSTAR 4).
Object identification
Identified? True
Debris? False
Object name: OPS 5114 (NAVSTAR 4)
International designator: 1978-112A
Object number (NORAD): 11141
Object ID (CCSDS): 11141
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 746.518 minutes
Inclination: 63.4687 deg
SMA: 27259.645 km
Apoapsis: 21267.515 km
Periapsis: 20495.506 km
RAAN: 82.1834 deg
Eccentricy: 0.0141603
Argument of periapsis: 49.0736 deg
Mean anomaly: 120.7646 deg
Mean motion: 1.9289566 rev/day
Mean motion (dot): -0.00000055 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: July 2, 2025, 5:47 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 2, 2025, 8:57 a.m. UTC
TLE line 0: 0 OPS 5114 (NAVSTAR 4)
TLE line 1: 1 11141U 78112A 25183.37359361 -.00000055 00000-0 00000-0 0 9994
TLE line 2: 2 11141 63.4687 82.1834 0141603 49.0736 120.7646 1.92895660222349
Live tracking on map
Real-time ground track for satellite OPS 5114 (NAVSTAR 4).
In-orbit conjunctions
There are no conjunctions computed for OPS 5114 (NAVSTAR 4), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
First generation GPS satellite
OPS 5114 (NAVSTAR 4) was lifted into orbit during the mission ‘Atlas F/SVS | Navstar 4’, on board a Atlas F/SVS space rocket.
The launch took place on Dec. 11, 1978, 3:59 a.m. from Space Launch Complex 3E.
For more information about the launch, click the button.
Atlas F/SVS | Navstar 4
Agency: N/A
Status: Launch Successful
Launch date: Dec. 11, 1978, 3:59 a.m. UTC
Rocket: Atlas F/SVS
Launch pad: Space Launch Complex 3E
Location: Vandenberg SFB, CA, USA
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Latest news about this satellite
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