Key statistics
Satellite OPS 8579 (DMSP 5B F5) at a glance.
Uptime
18741
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: 100.563 minutes
Inclination: 98.9949 deg
SMA: 7163.414 km
Apoapsis: 824.811 km
Periapsis: 745.747 km
RAAN: 271.9533 deg
Eccentricy: 0.0055186
Argument of periapsis: 236.8918 deg
Mean anomaly: 122.696 deg
Mean motion: 14.3193287 rev/day
Mean motion (dot): 0.00000169 rev/day2
B* drag term: 0.00007956 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 6:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 5:30 a.m. UTC
TLE line 0: 0 OPS 8579 (DMSP 5B F5)
TLE line 1: 1 7218U 74015A 25186.22964301 .00000169 00000-0 79560-4 0 9991
TLE line 2: 2 7218 98.9949 271.9533 0055186 236.8918 122.6960 14.31932870671569
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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