Key statistics
Satellite SSU 1 DEB at a glance.
Uptime
18457
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
95.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for SSU 1 DEB.
Object identification
Identified? True
Debris? True
Object name: SSU 1 DEB
International designator: 1975-051E
Object number (NORAD): 7939
Object ID (CCSDS): 7939
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 113.868 minutes
Inclination: 95.181 deg
SMA: 7782.073 km
Apoapsis: 1423.08 km
Periapsis: 1384.796 km
RAAN: 216.7325 deg
Eccentricy: 0.00245976
Argument of periapsis: 215.3101 deg
Mean anomaly: 202.1389 deg
Mean motion: 12.64619256 rev/day
Mean motion (dot): -0.00000005 rev/day2
B* drag term: 0.000031464374 1/REarth
Two-line elements (TLE)
Creation date: Dec. 17, 2025, 2:25 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 16, 2025, 2:49 p.m. UTC
TLE line 0: 0 SSU 1 DEB
TLE line 1: 1 07939U 75051E 25350.61770490 -.00000005 00000-0 31464-4 0 9993
TLE line 2: 2 07939 95.1810 216.7325 0024598 215.3101 202.1389 12.64619256331218
Live tracking on map
Real-time ground track for satellite SSU 1 DEB.
Associated space launch
Large reconnaissance satellite equipped with four return capsules.
SSU 1 DEB 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
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
