Key statistics
Satellite ATLAS 1 CENTAUR R/B at a glance.
Uptime
12928
Days in orbit
Revolutions
≈ 2.8
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
17.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for ATLAS 1 CENTAUR R/B.
Object identification
Identified? True
Debris? False
Object name: ATLAS 1 CENTAUR R/B
International designator: 1990-065B
Object number (NORAD): 20713
Object ID (CCSDS): 20713
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 519.897 minutes
Inclination: 17.6496 deg
SMA: 21417.635 km
Apoapsis: 29757.573 km
Periapsis: 321.427 km
RAAN: 238.0388 deg
Eccentricy: 0.68719414
Argument of periapsis: 9.263 deg
Mean anomaly: 358.8152 deg
Mean motion: 2.76978138 rev/day
Mean motion (dot): 0.00002984 rev/day2
B* drag term: 0.0023856487 1/REarth
Two-line elements (TLE)
Creation date: Dec. 16, 2025, 2:19 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 15, 2025, 3:11 p.m. UTC
TLE line 0: 0 ATLAS 1 CENTAUR R/B
TLE line 1: 1 20713U 90065B 25349.63333063 .00002984 00000-0 23856-2 0 9992
TLE line 2: 2 20713 17.6496 238.0388 6871941 9.2630 358.8152 2.76978138337631
Live tracking on map
Real-time ground track for satellite ATLAS 1 CENTAUR R/B.
Associated space launch
Magnetospheric research satellite
ATLAS 1 CENTAUR R/B was lifted into orbit during the mission ‘Atlas I | CRRES’, on board a Atlas I space rocket.
The launch took place on July 25, 1990, 7:21 p.m. from Launch Complex 36B.
For more information about the launch, click the button.
Atlas I | CRRES
Agency: N/A
Status: Launch Successful
Launch date: July 25, 1990, 7:21 p.m. UTC
Rocket: Atlas I
Launch pad: Launch Complex 36B
Location: Cape Canaveral SFS, FL, USA
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