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 26061.65159164 .00002171 00000-0 24490-3 0 9993
2 25977 98.1706 323.6879 0002513 84.4474 275.7028 14.87662296684216
Epoch: Mar 2, 2026 •
Age: 29 hours
Current Status
Altitude 613.2 km
Velocity 7.56 km/s
Sub-Earth Point 57.22°N,
78.28°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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