Key statistics
Satellite IPEX at a glance.
Uptime
4391
Days in orbit
Revolutions
≈ 15.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
120.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for IPEX.
Object identification
Identified? True
Debris? False
Object name: IPEX
International designator: 2013-072K
Object number (NORAD): 39471
Object ID (CCSDS): 39471
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 95.73 minutes
Inclination: 120.4692 deg
SMA: 6932.018 km
Apoapsis: 678.012 km
Periapsis: 429.754 km
RAAN: 315.5675 deg
Eccentricy: 0.01790656
Argument of periapsis: 158.4338 deg
Mean anomaly: 202.4384 deg
Mean motion: 15.04226511 rev/day
Mean motion (dot): 0.00010314 rev/day2
B* drag term: 0.00053334197 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 3:58 p.m. UTC
TLE line 0: 0 IPEX
TLE line 1: 1 39471U 13072K 25347.66533258 .00010314 00000-0 53334-3 0 9996
TLE line 2: 2 39471 120.4692 315.5675 0179066 158.4338 202.4384 15.04226511 87288
Live tracking on map
Real-time ground track for satellite IPEX.
In-orbit conjunctions
There are no conjunctions computed for IPEX, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Classified payload for the U.S. National Reconnaissance Office.
IPEX 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
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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