Key statistics
Satellite USA 141 at a glance.
Uptime
9715
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
85.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for USA 141.
Object identification
Identified? True
Debris? False
Object name: USA 141
International designator: 1998-055C
Object number (NORAD): 25615
Object ID (CCSDS): 25615
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.525 minutes
Inclination: 84.9853 deg
SMA: 7114.013 km
Apoapsis: 742.815 km
Periapsis: 728.942 km
RAAN: 247.9348 deg
Eccentricy: 0.0009751
Argument of periapsis: 92.1795 deg
Mean anomaly: 268.0522 deg
Mean motion: 14.46874111 rev/day
Mean motion (dot): 0.00000577 rev/day2
B* drag term: 0.00015341 1/REarth
Two-line elements (TLE)
Creation date: May 9, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 8, 2025, 5:47 p.m. UTC
TLE line 0: 0 USA 141
TLE line 1: 1 25615U 98055C 25128.74147098 .00000577 00000-0 15341-3 0 9990
TLE line 2: 2 25615 84.9853 247.9348 0009751 92.1795 268.0522 14.46874111315540
Live tracking on map
Real-time ground track for satellite USA 141.
In-orbit conjunctions
There are no conjunctions computed for USA 141, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
The STEX (Space Technology Experiments) satellite carried 29 new technologies intended to result in lower cost and higher performance spacecraft for future missions.
USA 141 was lifted into orbit during the mission ‘Minotaur | NROL-8’, on board a Minotaur space rocket.
The launch took place on Oct. 3, 1998, 10:04 a.m. from Space Launch Complex 576E.
For more information about the launch, click the button.
Minotaur | NROL-8
Agency: N/A
Status: Launch Successful
Launch date: Oct. 3, 1998, 10:04 a.m. UTC
Rocket: Minotaur
Launch pad: Space Launch Complex 576E
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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