Skip to content
Orbica
ISS Live
Track
Encyclopedia
Rockets
Every launch vehicle, in 3D
Satellites
26,000+ catalogued objects
Constellations
Starlink, GPS, OneWeb…
Agencies
Operators by nation
Compare
Vehicles side by side
Launches
Upcoming
Live countdowns
Timeline
1957 to today, by year
On this day
Launches on today's date
Failures
The anomaly archive
Intel
Search
⌘K
←
Satellites
Payload
USA 141 (ATEX)
Nonoperational
Payload
LEO
NORAD 25615
USA 141 (ATEX) is a United States payload satellite, launched on October 3, 1998 into LEO.
Launch
Launch date
October 3, 1998 at 10:04 AM UTC
Launch site
Vandenberg SFB, USA
Launched by
Minotaur C →
Operator
Orbital Sciences Corporation
Mission
NROL-8 (STEX)
Launch record
View full launch →
Orbit
Orbit regime
LEO
Apoapsis
739 km
Periapsis
730 km
Inclination
84.99°
Orbital period
99.5 min
Spacecraft
Operator
United States
Launch mass
29 kg
Dimensions
0.8 × 0.1 × 0.8 m
Identity
COSPAR (Int'l)
1998-055C
NORAD catalog №
25615
Object type
Payload
Owner / operator
United States
Status
Nonoperational
End of mission
Fate
No longer operational — remains in orbit as inactive.
Final status
Nonoperational