Key statistics
Satellite OPS 5114 (NAVSTAR 4) at a glance.
Uptime
17074
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: 63.5128 deg
SMA: 27259.648 km
Apoapsis: 21269.177 km
Periapsis: 20493.848 km
RAAN: 80.2923 deg
Eccentricy: 0.01422119
Argument of periapsis: 49.5572 deg
Mean anomaly: 313.3153 deg
Mean motion: 1.92895637 rev/day
Mean motion (dot): 0.0000006 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Sept. 6, 2025, 10:23 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 11:19 p.m. UTC
TLE line 0: 0 OPS 5114 (NAVSTAR 4)
TLE line 1: 1 11141U 78112A 25248.97174248 .00000060 00000-0 00000-0 0 9996
TLE line 2: 2 11141 63.5128 80.2923 0142212 49.5572 313.3153 1.92895637223616
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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