Find USA 55
NORAD ID: 20547 • Int'l Des: 1990-028 • Owner: DARPA/USN • Country: US • operational
LEOCIRCULARRETROGRADE
Current View
Loading 3D Globe...
About USA 55
USA 55 (NORAD 20547) is a satellite launched Apr 5, 1990 by DARPA/USN of US. It operates in LEO, CIRCULAR, RETROGRADE orbit with a mass of 68.00 kg.
Upcoming Passes
Passes for default location (London). Set your location on the main map for personalized predictions.
Altitude History
Loading altitude history...
Y: Altitude (km)
No altitude history available
Two-Line Element Set
1 20547U 90028B 26191.30335051 .00004998 00000-0 10255-3 0 9992
2 20547 94.0890 156.4785 0056957 46.9664 313.6342 15.44363902 5434
Epoch: Jul 10, 2026 •
Age: 15 hours
Current Status
Altitude 481.8 km
Apogee / Perigee N/A
Velocity 7.60 km/s
Sub-Earth Point -29.32°S,
73.05°E
Launch Date Apr 5, 1990
Age 36.2 years
Type military
Technical Details
Classification Payload
Mass 68.00 kg
Dry Mass 68.00 kg
Total Mass 68.00 kg
Length 0.40 m
Diameter 0.40 m
Span 0.40 m
Shape Poly
Manufacturer DSI
Bus Type GLOMR
Phase Status In Orbit
Owner/State DARPA/USN/US
Most Searched
Loading...