Key statistics
Satellite AEHF 4 (USA 288) at a glance.
Uptime
2515
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
GEO
Geostationary Orbit
Inclination
1.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for AEHF 4 (USA 288).
Object identification
Identified? True
Debris? False
Object name: AEHF 4 (USA 288)
International designator: 2018-079A
Object number (NORAD): 43651
Object ID (CCSDS): 43651
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1436.045 minutes
Inclination: 1.5217 deg
SMA: 42163.712 km
Apoapsis: 36023.608 km
Periapsis: 35547.546 km
RAAN: 339.4639 deg
Eccentricy: 0.00564541
Argument of periapsis: 12.1865 deg
Mean anomaly: 4.1301 deg
Mean motion: 1.00275424 rev/day
Mean motion (dot): -0.00000273 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Sept. 3, 2025, 10:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 3, 2025, 5:23 a.m. UTC
TLE line 0: 0 AEHF 4 (USA 288)
TLE line 1: 1 43651U 18079A 25246.22442336 -.00000273 00000-0 00000-0 0 9992
TLE line 2: 2 43651 1.5217 339.4639 0056454 12.1865 4.1301 1.00275424 25428
Live tracking on map
Real-time ground track for satellite AEHF 4 (USA 288).
In-orbit conjunctions
There are no conjunctions computed for AEHF 4 (USA 288), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
This is the fourth satellite in the Advanced Extremely High Frequency (AEHF) system, which is a series of communications satellites operated by the United States Air Force Space Command. It provides global, survivable, protected communications capabilities for strategic command and tactical warfighters operating on ground, sea and air platforms.
AEHF 4 (USA 288) was lifted into orbit during the mission ‘Atlas V 551 | AEHF-4 (USA 288)’, on board a Atlas V 551 space rocket.
The launch took place on Oct. 17, 2018, 4:15 a.m. from Space Launch Complex 41.
For more information about the launch, click the button.
Atlas V 551 | AEHF-4 (USA 288)
Agency: N/A
Status: Launch Successful
Launch date: Oct. 17, 2018, 4:15 a.m. UTC
Rocket: Atlas V 551
Launch pad: Space Launch Complex 41
Location: Cape Canaveral SFS, FL, USA
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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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