Key statistics
Satellite OPS 5268 (DMSP 5A F3) at a glance.
Uptime
19970
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: 99.863 minutes
Inclination: 98.5121 deg
SMA: 7130.105 km
Apoapsis: 779.426 km
Periapsis: 724.514 km
RAAN: 159.5418 deg
Eccentricy: 0.00385075
Argument of periapsis: 66.6596 deg
Mean anomaly: 293.8638 deg
Mean motion: 14.4197885 rev/day
Mean motion (dot): 0.00000552 rev/day2
B* drag term: 0.00018020139 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 3:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 20, 2025, 9:30 p.m. UTC
TLE line 0: 0 OPS 5268 (DMSP 5A F3)
TLE line 1: 1 04953U 71012A 25293.89646816 .00000552 00000-0 18020-3 0 9997
TLE line 2: 2 04953 98.5121 159.5418 0038508 66.6596 293.8638 14.41978850864299
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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