Key statistics
Satellite OPS 8579 (DMSP 5B F5) at a glance.
Uptime
18799
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 8579 (DMSP 5B F5).
Object identification
Identified? True
Debris? False
Object name: OPS 8579 (DMSP 5B F5)
International designator: 1974-015A
Object number (NORAD): 7218
Object ID (CCSDS): 7218
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.561 minutes
Inclination: 98.9924 deg
SMA: 7163.298 km
Apoapsis: 825.9 km
Periapsis: 744.425 km
RAAN: 333.7872 deg
Eccentricy: 0.00568692
Argument of periapsis: 64.3084 deg
Mean anomaly: 296.3956 deg
Mean motion: 14.31967883 rev/day
Mean motion (dot): 0.0000051 rev/day2
B* drag term: 0.0002042436 1/REarth
Two-line elements (TLE)
Creation date: Sept. 3, 2025, 2:21 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 2, 2025, 9:39 p.m. UTC
TLE line 0: 0 OPS 8579 (DMSP 5B F5)
TLE line 1: 1 07218U 74015A 25245.90259172 .00000510 00000-0 20424-3 0 9999
TLE line 2: 2 07218 98.9924 333.7872 0056869 64.3084 296.3956 14.31967883679836
Live tracking on map
Real-time ground track for satellite OPS 8579 (DMSP 5B F5).
In-orbit conjunctions
There are no conjunctions computed for OPS 8579 (DMSP 5B F5), 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 8579 (DMSP 5B F5) was lifted into orbit during the mission ‘Thor Burner 2A | DMSP-5B F5’, on board a Thor Burner 2A space rocket.
The launch took place on March 16, 1974, 8 a.m. from Space Launch Complex 10W.
For more information about the launch, click the button.
Thor Burner 2A | DMSP-5B F5
Agency: N/A
Status: Launch Successful
Launch date: March 16, 1974, 8 a.m. UTC
Rocket: Thor Burner 2A
Launch pad: Space Launch Complex 10W
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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