About TESS
Group: 3 satellites
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Live Position
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Upcoming Passes
Altitude History
Altitude vs Time
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Two-Line Element Set
1 43435U 18038A 25206.79310809 -.00002333 00000-0 00000+0 0 9992
2 43435 56.2540 48.6741 4645845 92.2651 5.8154 0.07761537 1318
Epoch: Jul 25, 2025 •
Age: 2809 hours
Current Status
Altitude 173757.9 km
Velocity 1.65 km/s
Sub-Earth Point -7.96°S,
139.15°W
Launch Date Apr 18, 2018
Age 7.5 years
Type other
Technical Details
Classification Payload
Mass 362.00 kg
Dry Mass 317.00 kg
Total Mass 362.00 kg
Length 1.50 m
Diameter 1.20 m
Span 3.70 m
Shape Flared cyl+2 pan
Manufacturer OATKD
Bus Type Leostar-2
Phase Status Deep Space
Owner/State GSFC/US
Large Constellations
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