About Helios 1B
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 25977U 99064A 26062.12241493 .00002265 00000-0 25521-3 0 9993
2 25977 98.1704 324.1726 0002519 83.9486 276.2016 14.87664420684285
Epoch: Mar 3, 2026 •
Age: 16 hours
Current Status
Altitude 609.8 km
Velocity 7.56 km/s
Sub-Earth Point 39.05°N,
102.72°E
Launch Date Dec 3, 1999
Age 26.2 years
Type other
Technical Details
Classification Payload
Mass 2544.00 kg
Dry Mass 2500.00 kg
Total Mass 2544.00 kg
Length 3.50 m
Diameter 2.00 m
Span 4.00 m
Shape Box + Pan
Manufacturer MMST
Bus Type Spot 4
Phase Status In Orbit
Owner/State CNES/DGA/F
Large Constellations
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