Key statistics
Satellite SATCOM C1 at a glance.
Uptime
12712
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
13.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for SATCOM C1.
Object identification
Identified? True
Debris? False
Object name: SATCOM C1
International designator: 1990-100A
Object number (NORAD): 20945
Object ID (CCSDS): 20945
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1451.802 minutes
Inclination: 13.1904 deg
SMA: 42471.585 km
Apoapsis: 36142.94 km
Periapsis: 36043.96 km
RAAN: 17.3236 deg
Eccentricy: 0.00116525
Argument of periapsis: 16.7642 deg
Mean anomaly: 29.8571 deg
Mean motion: 0.99187069 rev/day
Mean motion (dot): -0.00000261 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 7:31 a.m. UTC
TLE line 0: 0 SATCOM C1
TLE line 1: 1 20945U 90100A 25250.31386852 -.00000261 00000-0 00000-0 0 9990
TLE line 2: 2 20945 13.1904 17.3236 0011652 16.7642 29.8571 0.99187069124180
Live tracking on map
Real-time ground track for satellite SATCOM C1.
Associated space launch
Geostationary communications satellites
SATCOM C1 was lifted into orbit during the mission ‘Ariane 42P | Satcom C1 & GStar 4’, on board a Ariane 42P space rocket.
The launch took place on Nov. 20, 1990, 11:11 p.m. from Ariane Launch Area 2.
For more information about the launch, click the button.
Ariane 42P | Satcom C1 & GStar 4
Agency: N/A
Status: Launch Successful
Launch date: Nov. 20, 1990, 11:11 p.m. UTC
Rocket: Ariane 42P
Launch pad: Ariane Launch Area 2
Location: Guiana Space Centre, French Guiana
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