Key statistics
Satellite SS 3 at a glance.
Uptime
17379
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
LEO
Low Earth Orbit
Inclination
63.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for SS 3.
Object identification
Identified? True
Debris? False
Object name: SS 3
International designator: 1977-112F
Object number (NORAD): 10594
Object ID (CCSDS): 10594
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.707 minutes
Inclination: 63.3269 deg
SMA: 7264.868 km
Apoapsis: 1267.203 km
Periapsis: 506.264 km
RAAN: 80.703 deg
Eccentricy: 0.0523712
Argument of periapsis: 158.0557 deg
Mean anomaly: 204.3856 deg
Mean motion: 14.02042362 rev/day
Mean motion (dot): 0.00000643 rev/day2
B* drag term: 0.00015247 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 12:55 a.m. UTC
TLE line 0: 0 SS 3
TLE line 1: 1 10594U 77112F 25187.03821515 .00000643 00000-0 15247-3 0 9990
TLE line 2: 2 10594 63.3269 80.7030 0523712 158.0557 204.3856 14.02042362318744
Live tracking on map
Real-time ground track for satellite SS 3.
Associated space launch
The Parcae satellites were passive ELINT satellites. MSD satellites were dispensers of triplets of ocean surveillance satellites.
SS 3 was lifted into orbit during the mission ‘Atlas F/MSD | Parcae 2A,B,C & MSD 2’, on board a Atlas F/MSD space rocket.
The launch took place on Dec. 8, 1977, 5:45 p.m. from Space Launch Complex 3W.
For more information about the launch, click the button.
Atlas F/MSD | Parcae 2A,B,C & MSD 2
Agency: N/A
Status: Launch Successful
Launch date: Dec. 8, 1977, 5:45 p.m. UTC
Rocket: Atlas F/MSD
Launch pad: Space Launch Complex 3W
Location: Vandenberg SFB, CA, USA
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