Key statistics
Satellite IPEX at a glance.
Uptime
4344
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: 95.802 minutes
Inclination: 120.4684 deg
SMA: 6935.47 km
Apoapsis: 687.25 km
Periapsis: 427.42 km
RAAN: 134.9214 deg
Eccentricy: 0.01873202
Argument of periapsis: 109.6423 deg
Mean anomaly: 252.496 deg
Mean motion: 15.031036 rev/day
Mean motion (dot): 0.0000943 rev/day2
B* drag term: 0.00049005088 1/REarth
Two-line elements (TLE)
Creation date: Oct. 27, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 26, 2025, 7 p.m. UTC
TLE line 0: 0 IPEX
TLE line 1: 1 39471U 13072K 25299.79214021 .00009430 00000-0 49005-3 0 9997
TLE line 2: 2 39471 120.4684 134.9214 0187320 109.6423 252.4960 15.03103600 80084
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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