About STEX
Group: 3 satellites
Description loading...
Live Position
Loading 3D Globe...
Upcoming Passes
Altitude History
Altitude vs Time
uPlot chart will show altitude changes over time
Two-Line Element Set
1 25489U 98055A 26019.64793813 .00000511 00000-0 12219-3 0 9999
2 25489 84.9800 63.9453 0008899 179.5638 180.5574 14.51670584441787
Epoch: Jan 19, 2026 •
Age: 12 hours
Current Status
Altitude 728.7 km
Velocity 7.49 km/s
Sub-Earth Point 21.47°N,
102.34°W
Launch Date Oct 3, 1998
Age 27.2 years
Type other
Technical Details
Classification Payload
Mass 671.00 kg
Dry Mass 510.00 kg
Total Mass 671.00 kg
Length 2.00 m
Diameter 1.20 m
Span 5.00 m
Shape Box + 2 Pan
Manufacturer LMA/DENV
Bus Type STEX
Phase Status In Orbit
Owner/State NROC/US
Large Constellations
Loading constellations...