Key statistics
Satellite USA 554 at a glance.
Uptime
22
Days in orbit
Revolutions
N/A
Per day
Orbit
GSO
None
Inclination
N/A
Latest
Satellite identification and parameters
Extended collection of information and parameters for USA 554.
Object identification
Object name: USA 554
International designator: 2025-173B
Object number (NORAD): 65161
Object ID (CCSDS): 65161
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
Notes: NO INITIAL ELEMENTS
Orbital parameters
Inclination: None deg
Period: None minutes
Apoapsis: None km
Periapsis: None km
Two-line elements (TLE)
TLE not available at the moment. Check back as we update our database every day.
Live tracking on map
Live tracking is not available at the moment. Either this satellite is not in an Earth-centered orbit, or we haven't yet computed its ground track. Check back as we update our database every day.
In-orbit conjunctions
There are no conjunctions computed for USA 554, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
USSF-106 is a mission for the United States Space Force. The launch will deploy various payloads directly into geosynchronous orbit, including the NTS-3 (Navigation Technology Satellite 3), a demonstration navigation satellite testing a new digital signal generator that can be reprogrammed on-orbit to broadcast new signals, improve performance by avoiding and defeating interference, and adding signatures for detecting spoofing attacks.
USA 554 was lifted into orbit during the mission ‘Vulcan VC4S | USSF-106’, on board a Vulcan VC4S space rocket.
The launch took place on Aug. 13, 2025, 12:56 a.m. from Space Launch Complex 41.
For more information about the launch, click the button.
Vulcan VC4S | USSF-106
Agency: United States Space Force
Status: Launch Successful
Launch date: Aug. 13, 2025, 12:56 a.m. UTC
Rocket: Vulcan VC4S
Launch pad: Space Launch Complex 41
Location: Cape Canaveral SFS, FL, USA
...
Latest news about this satellite
Vulcan Begins Operational Missions
On August 12, 2025 at 8:56 p.m. EDT (0056 UTC), United Launch Alliance successfully launched its Vulcan Centaur VC4S vehicle from Space Launch Complex-41 at Cape Canaveral Space Force Station for the USSF-106 mission.
LIVE COVERAGE! Vulcan Set To Launch First U.S. National Security Mission
LIVE COVERAGE! Vulcan Set To Launch First U.S. National Security Mission
ULA launches Vulcan rocket on first Space Force mission
Equipped with four solid-fuel strap-on boosters for additional takeoff power, the 198-foot-tall Vulcan's two methane-fueled BE-4 engines thundered to life at 8:56p.m. EDT, instantly propelling the rocket away from pad 41 at the Cape Canaveral Space Force ...
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