Key statistics
Satellite OPS 0054 (DMSP 5A F1) at a glance.
Uptime
20235
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 0054 (DMSP 5A F1).
Object identification
Identified? True
Debris? False
Object name: OPS 0054 (DMSP 5A F1)
International designator: 1970-012A
Object number (NORAD): 4331
Object ID (CCSDS): 4331
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.393 minutes
Inclination: 98.9787 deg
SMA: 7155.322 km
Apoapsis: 817.511 km
Periapsis: 736.863 km
RAAN: 346.884 deg
Eccentricy: 0.0056355
Argument of periapsis: 260.7884 deg
Mean anomaly: 98.6922 deg
Mean motion: 14.3436267 rev/day
Mean motion (dot): 0.00000202 rev/day2
B* drag term: 0.000087553 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 9:14 a.m. UTC
TLE line 0: 0 OPS 0054 (DMSP 5A F1)
TLE line 1: 1 04331U 70012A 25187.38515305 .00000202 00000-0 87553-4 0 9990
TLE line 2: 2 04331 98.9787 346.8840 0056355 260.7884 98.6922 14.34362670887604
Live tracking on map
Real-time ground track for satellite OPS 0054 (DMSP 5A F1).
In-orbit conjunctions
There are no conjunctions computed for OPS 0054 (DMSP 5A 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 0054 (DMSP 5A F1) was lifted into orbit during the mission ‘Thor Burner 2 | DSAP-5A F1’, on board a Thor Burner 2 space rocket.
The launch took place on Feb. 11, 1970, 8:40 a.m. from Space Launch Complex 10W.
For more information about the launch, click the button.
Thor Burner 2 | DSAP-5A F1
Agency: N/A
Status: Launch Successful
Launch date: Feb. 11, 1970, 8:40 a.m. UTC
Rocket: Thor Burner 2
Launch pad: Space Launch Complex 10W
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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