Key statistics
Satellite SATCOM C1 at a glance.
Uptime
12763
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: 1451.83 minutes
Inclination: 13.2398 deg
SMA: 42472.128 km
Apoapsis: 36141.934 km
Periapsis: 36046.052 km
RAAN: 16.9693 deg
Eccentricy: 0.00112876
Argument of periapsis: 10.8023 deg
Mean anomaly: 10.5961 deg
Mean motion: 0.99185167 rev/day
Mean motion (dot): -0.00000233 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Oct. 30, 2025, 3:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 29, 2025, 4:02 p.m. UTC
TLE line 0: 0 SATCOM C1
TLE line 1: 1 20945U 90100A 25302.66869623 -.00000233 00000-0 00000-0 0 9997
TLE line 2: 2 20945 13.2398 16.9693 0011288 10.8023 10.5961 0.99185167124708
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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