Key statistics
Satellite SSU 1 at a glance.
Uptime
17907
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
63.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for SSU 1.
Object identification
Identified? True
Debris? False
Object name: SSU 1
International designator: 1976-038C
Object number (NORAD): 8835
Object ID (CCSDS): 8835
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.131 minutes
Inclination: 63.3567 deg
SMA: 7331.866 km
Apoapsis: 1265.693 km
Periapsis: 641.768 km
RAAN: 292.64 deg
Eccentricy: 0.0425488
Argument of periapsis: 174.6894 deg
Mean anomaly: 185.8888 deg
Mean motion: 13.82868955 rev/day
Mean motion (dot): 0.00000489 rev/day2
B* drag term: 0.00027326 1/REarth
Two-line elements (TLE)
Creation date: May 10, 2025, 2:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 9, 2025, 7:53 p.m. UTC
TLE line 0: 0 SSU 1
TLE line 1: 1 08835U 76038C 25129.82867340 .00000489 00000-0 27326-3 0 9999
TLE line 2: 2 08835 63.3567 292.6400 0425488 174.6894 185.8888 13.82868955303039
Live tracking on map
Real-time ground track for satellite SSU 1.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SSU 1.
Associated space launch
Parcae 1A, B and C were passive ELINT satellites. MSD 1 was a dispenser of triplets of ocean surveillance satellites.
SSU 1 was lifted into orbit during the mission ‘Atlas F/MSD | Parcae 1A,B,C & MSD 1’, on board a Atlas F/MSD space rocket.
The launch took place on April 30, 1976, 7:12 p.m. from Space Launch Complex 3W.
For more information about the launch, click the button.
Atlas F/MSD | Parcae 1A,B,C & MSD 1
Agency: N/A
Status: Launch Successful
Launch date: April 30, 1976, 7:12 p.m. UTC
Rocket: Atlas F/MSD
Launch pad: Space Launch Complex 3W
Location: Vandenberg SFB, CA, USA
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