Find TDRS 4
NORAD ID: 19883 • Int'l Des: 1989-021 • Owner: GSFC • Country: US • operational
HEOCIRCULAR
Current View
Loading 3D Globe...
About TDRS 4
Group: 3 satellites
Description loading...
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 19883U 89021B 26152.21919961 -.00000102 00000-0 00000-0 0 9997
2 19883 12.8122 355.1215 0016787 319.2987 39.4310 0.98482919307883
Epoch: Jun 1, 2026 •
Age: 8 hours
Current Status
Altitude 36358.1 km
Velocity 3.05 km/s
Sub-Earth Point 11.88°N,
23.77°E
Launch Date Mar 13, 1989
Age 37.2 years
Type other
Technical Details
Classification Payload
Mass 2245.00 kg
Dry Mass 1673.00 kg
Total Mass 2245.00 kg
Length 1.30 m
Diameter 2.40 m
Span 17.40 m
Shape Box + Dish + 2 Pan
Manufacturer TRW
Bus Type TDRS
Phase Status In Orbit
Owner/State GSFC/US
Most Searched
Loading...