Key statistics
Satellite OPS 6983 (DMSP 5C F1) at a glance.
Uptime
18704
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 6983 (DMSP 5C F1).
Object identification
Identified? True
Debris? False
Object name: OPS 6983 (DMSP 5C F1)
International designator: 1974-063A
Object number (NORAD): 7411
Object ID (CCSDS): 7411
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.735 minutes
Inclination: 98.5314 deg
SMA: 7171.547 km
Apoapsis: 822.697 km
Periapsis: 764.127 km
RAAN: 138.4777 deg
Eccentricy: 0.0040835
Argument of periapsis: 346.0263 deg
Mean anomaly: 13.9786 deg
Mean motion: 14.29497668 rev/day
Mean motion (dot): 0.00000449 rev/day2
B* drag term: 0.00019105 1/REarth
Two-line elements (TLE)
Creation date: Oct. 23, 2025, 10:06 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 10:34 a.m. UTC
TLE line 0: 0 OPS 6983 (DMSP 5C F1)
TLE line 1: 1 7411U 74063A 25296.44096029 .00000449 00000-0 19105-3 0 9997
TLE line 2: 2 7411 98.5314 138.4777 0040835 346.0263 13.9786 14.29497668660547
Live tracking on map
Real-time ground track for satellite OPS 6983 (DMSP 5C F1).
In-orbit conjunctions
There are no conjunctions computed for OPS 6983 (DMSP 5C F1), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Military meteorological satellite
OPS 6983 (DMSP 5C F1) was lifted into orbit during the mission ‘Thor Burner 2A | DMSP-5C F1’, on board a Thor Burner 2A space rocket.
The launch took place on Aug. 9, 1974, 3:22 a.m. from Space Launch Complex 10W.
For more information about the launch, click the button.
Thor Burner 2A | DMSP-5C F1
Agency: N/A
Status: Launch Successful
Launch date: Aug. 9, 1974, 3:22 a.m. UTC
Rocket: Thor Burner 2A
Launch pad: Space Launch Complex 10W
Location: Vandenberg SFB, CA, USA
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Latest news about this satellite
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