About S1-4
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 43618U 18071A 26009.92360410 .00001550 00000-0 14220-3 0 9994
2 43618 97.5242 247.8683 0001282 44.6039 315.5285 14.96254308399271
Epoch: Jan 9, 2026 •
Age: 22 hours
Current Status
Altitude 581.9 km
Velocity 7.57 km/s
Sub-Earth Point 2.15°N,
21.32°E
Launch Date Sep 16, 2018
Age 7.3 years
Type other
Technical Details
Classification Payload
Mass 444.00 kg
Dry Mass 400.00 kg
Total Mass 444.00 kg
Length 2.50 m
Diameter 1.00 m
Span 2.50 m
Shape Hept prism+cyl
Manufacturer SSTLA
Bus Type SSTL-300S1
Phase Status In Orbit
Owner/State SSTLA/UK
Large Constellations
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