Key statistics
Satellite SS 3 at a glance.
Uptime
17441
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: 102.691 minutes
Inclination: 63.3256 deg
SMA: 7264.1 km
Apoapsis: 1261.158 km
Periapsis: 510.772 km
RAAN: 262.593 deg
Eccentricy: 0.05165035
Argument of periapsis: 159.0878 deg
Mean anomaly: 203.218 deg
Mean motion: 14.02264789 rev/day
Mean motion (dot): 0.00001158 rev/day2
B* drag term: 0.00025737659 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 12:19 p.m. UTC
TLE line 0: 0 SS 3
TLE line 1: 1 10594U 77112F 25249.51335293 .00001158 00000-0 25738-3 0 9993
TLE line 2: 2 10594 63.3256 262.5930 0516504 159.0878 203.2180 14.02264789327508
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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