Key statistics
Satellite OPS 6381 (SSU 1) at a glance.
Uptime
18295
Days in orbit
Revolutions
≈ 12.7
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
95.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 6381 (SSU 1).
Object identification
Identified? True
Debris? False
Object name: OPS 6381 (SSU 1)
International designator: 1975-051C
Object number (NORAD): 7937
Object ID (CCSDS): 7937
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 113.542 minutes
Inclination: 95.0812 deg
SMA: 7767.192 km
Apoapsis: 1395.365 km
Periapsis: 1382.748 km
RAAN: 43.0483 deg
Eccentricy: 0.0008122
Argument of periapsis: 90.3614 deg
Mean anomaly: 281.0088 deg
Mean motion: 12.68255414 rev/day
Mean motion (dot): 0.00000029 rev/day2
B* drag term: 0.00020082 1/REarth
Two-line elements (TLE)
Creation date: July 10, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 9, 2025, 8:23 p.m. UTC
TLE line 0: 0 OPS 6381 (SSU 1)
TLE line 1: 1 07937U 75051C 25190.84952814 .00000029 00000-0 20082-3 0 9998
TLE line 2: 2 07937 95.0812 43.0483 0008122 90.3614 281.0088 12.68255414317984
Live tracking on map
Real-time ground track for satellite OPS 6381 (SSU 1).
In-orbit conjunctions
There are no conjunctions computed for OPS 6381 (SSU 1), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Large reconnaissance satellite equipped with four return capsules.
OPS 6381 (SSU 1) was lifted into orbit during the mission ‘Titan IIID | KH-9 10’, on board a Titan IIID space rocket.
The launch took place on June 8, 1975, 6:30 p.m. from Space Launch Complex 4E.
For more information about the launch, click the button.
Titan IIID | KH-9 10
Agency: N/A
Status: Launch Successful
Launch date: June 8, 1975, 6:30 p.m. UTC
Rocket: Titan IIID
Launch pad: Space Launch Complex 4E
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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