Key statistics
Satellite ATLAS 5 CENTAUR R/B at a glance.
Uptime
4171
Days in orbit
Revolutions
≈ 14.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
120.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for ATLAS 5 CENTAUR R/B.
Object identification
Identified? True
Debris? False
Object name: ATLAS 5 CENTAUR R/B
International designator: 2013-072P
Object number (NORAD): 39475
Object ID (CCSDS): 39475
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 96.572 minutes
Inclination: 120.4296 deg
SMA: 6972.615 km
Apoapsis: 731.959 km
Periapsis: 457.0 km
RAAN: 55.0999 deg
Eccentricy: 0.0197171
Argument of periapsis: 204.645 deg
Mean anomaly: 154.5079 deg
Mean motion: 14.91108586 rev/day
Mean motion (dot): 0.0000529 rev/day2
B* drag term: 0.00038908 1/REarth
Two-line elements (TLE)
Creation date: May 8, 2025, 3:01 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 7, 2025, 3:03 p.m. UTC
TLE line 0: 0 ATLAS 5 CENTAUR R/B
TLE line 1: 1 39475U 13072P 25127.62743802 .00005290 00000-0 38908-3 0 9997
TLE line 2: 2 39475 120.4296 55.0999 0197171 204.6450 154.5079 14.91108586 53954
Live tracking on map
Real-time ground track for satellite ATLAS 5 CENTAUR R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object ATLAS 5 CENTAUR R/B.
Associated space launch
Classified payload for the U.S. National Reconnaissance Office.
ATLAS 5 CENTAUR R/B was lifted into orbit during the mission ‘Atlas V 501 | NROL-39 (USA-247)’, on board a Atlas V 501 space rocket.
The launch took place on Dec. 6, 2013, 7:14 a.m. from Space Launch Complex 3E.
For more information about the launch, click the button.
Atlas V 501 | NROL-39 (USA-247)
Agency: N/A
Status: Launch Successful
Launch date: Dec. 6, 2013, 7:14 a.m. UTC
Rocket: Atlas V 501
Launch pad: Space Launch Complex 3E
Location: Vandenberg SFB, CA, USA
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