Key statistics
Satellite USA 142 at a glance.
Uptime
9695
Days in orbit
Revolutions
≈ 2.3
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
28.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for USA 142.
Object identification
Identified? True
Debris? False
Object name: USA 142
International designator: 1999-017A
Object number (NORAD): 25669
Object ID (CCSDS): 25669
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 617.917 minutes
Inclination: 28.7913 deg
SMA: 24031.476 km
Apoapsis: 34623.888 km
Periapsis: 682.795 km
RAAN: 146.8351 deg
Eccentricy: 0.70617992
Argument of periapsis: 11.5914 deg
Mean anomaly: 358.7842 deg
Mean motion: 2.33040864 rev/day
Mean motion (dot): -0.00000058 rev/day2
B* drag term: 0.00013365375 1/REarth
Two-line elements (TLE)
Creation date: Oct. 24, 2025, 2:48 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 12:48 p.m. UTC
TLE line 0: 0 USA 142
TLE line 1: 1 25669U 99017A 25296.53377920 -.00000058 00000-0 13365-3 0 9999
TLE line 2: 2 25669 28.7913 146.8351 7061799 11.5914 358.7842 2.33040864 12772
Live tracking on map
Real-time ground track for satellite USA 142.
In-orbit conjunctions
There are no conjunctions computed for USA 142, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Early warning satellite
USA 142 was lifted into orbit during the mission ‘Titan 402B IUS | DSP 19’, on board a Titan 402B IUS space rocket.
The launch took place on April 9, 1999, 5:01 p.m. from Space Launch Complex 41.
For more information about the launch, click the button.
Titan 402B IUS | DSP 19
Agency: N/A
Status: Launch Failure
Launch date: April 9, 1999, 5:01 p.m. UTC
Rocket: Titan 402B IUS
Launch pad: Space Launch Complex 41
Location: Cape Canaveral SFS, FL, USA
...
Latest news about this satellite
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