Key statistics
Satellite ATLAS 2AS CENTAUR R/B at a glance.
Uptime
8703
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: 107.066 minutes
Inclination: 63.4271 deg
SMA: 7468.956 km
Apoapsis: 1538.145 km
Periapsis: 643.498 km
RAAN: 330.3883 deg
Eccentricy: 0.059891
Argument of periapsis: 340.8504 deg
Mean anomaly: 17.084 deg
Mean motion: 13.44970897 rev/day
Mean motion (dot): -0.00000051 rev/day2
B* drag term: 0.000027368 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 2:37 p.m. UTC
TLE line 0: 0 ATLAS 2AS CENTAUR R/B
TLE line 1: 1 26906U 01040B 25187.60936746 -.00000051 00000-0 27368-4 0 9999
TLE line 2: 2 26906 63.4271 330.3883 0598910 340.8504 17.0840 13.44970897 56926
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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