Key statistics
Satellite ATLAS 2AS CENTAUR R/B at a glance.
Uptime
8643
Days in orbit
Revolutions
≈ 13.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
63.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for ATLAS 2AS CENTAUR R/B.
Object identification
Identified? True
Debris? False
Object name: ATLAS 2AS CENTAUR R/B
International designator: 2001-040B
Object number (NORAD): 26906
Object ID (CCSDS): 26906
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 107.068 minutes
Inclination: 63.4237 deg
SMA: 7469.061 km
Apoapsis: 1534.822 km
Periapsis: 647.03 km
RAAN: 125.923 deg
Eccentricy: 0.0594313
Argument of periapsis: 340.718 deg
Mean anomaly: 17.2181 deg
Mean motion: 13.44942566 rev/day
Mean motion (dot): 0.00000429 rev/day2
B* drag term: 0.00030461 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, 9:13 a.m. UTC
TLE line 0: 0 ATLAS 2AS CENTAUR R/B
TLE line 1: 1 26906U 01040B 25127.38460670 .00000429 00000-0 30461-3 0 9991
TLE line 2: 2 26906 63.4237 125.9230 0594313 340.7180 17.2181 13.44942566 48826
Live tracking on map
Real-time ground track for satellite ATLAS 2AS CENTAUR R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object ATLAS 2AS CENTAUR R/B.
Associated space launch
NOSS-3 (Naval Ocean Surveillance System), which is likely not the official designation, is the third generation of NOSS satellites, which are low orbit SIGINT satellites. In 2013, the designation Intruder leaked out. These satellites carry equipment to track ships and aircraft via their radio transmissions. Positions of the origin of the transmissions are determined by triangulation. Each launch consists of two satellites of similar size in the same orbit. Both satellites maneuver to stationkeep relative to one another.
ATLAS 2AS CENTAUR R/B was lifted into orbit during the mission ‘Atlas IIAS | NROL-13’, on board a Atlas IIAS space rocket.
The launch took place on Sept. 8, 2001, 3:25 p.m. from Space Launch Complex 3E.
For more information about the launch, click the button.
Atlas IIAS | NROL-13
Agency: N/A
Status: Launch Successful
Launch date: Sept. 8, 2001, 3:25 p.m. UTC
Rocket: Atlas IIAS
Launch pad: Space Launch Complex 3E
Location: Vandenberg SFB, CA, USA
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