Key statistics
Satellite OPS 5268 (DMSP 5A F3) at a glance.
Uptime
19920
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 5268 (DMSP 5A F3).
Object identification
Identified? True
Debris? False
Object name: OPS 5268 (DMSP 5A F3)
International designator: 1971-012A
Object number (NORAD): 4953
Object ID (CCSDS): 4953
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 99.866 minutes
Inclination: 98.5226 deg
SMA: 7130.272 km
Apoapsis: 778.213 km
Periapsis: 726.062 km
RAAN: 108.6508 deg
Eccentricy: 0.00365698
Argument of periapsis: 217.9072 deg
Mean anomaly: 141.9542 deg
Mean motion: 14.4192805 rev/day
Mean motion (dot): 0.00000401 rev/day2
B* drag term: 0.00013497111 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 9:27 p.m. UTC
TLE line 0: 0 OPS 5268 (DMSP 5A F3)
TLE line 1: 1 04953U 71012A 25242.89426178 .00000401 00000-0 13497-3 0 9994
TLE line 2: 2 04953 98.5226 108.6508 0036570 217.9072 141.9542 14.41928050856944
Live tracking on map
Real-time ground track for satellite OPS 5268 (DMSP 5A F3).
In-orbit conjunctions
There are no conjunctions computed for OPS 5268 (DMSP 5A F3), 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 5268 (DMSP 5A F3) was lifted into orbit during the mission ‘Thor Burner 2 | DSAP-5A F3’, on board a Thor Burner 2 space rocket.
The launch took place on Feb. 17, 1971, 3:52 a.m. from Space Launch Complex 10W.
For more information about the launch, click the button.
Thor Burner 2 | DSAP-5A F3
Agency: N/A
Status: Launch Successful
Launch date: Feb. 17, 1971, 3:52 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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