About BSAT-4a
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 42951U 17059B 26012.11353047 -.00000333 00000-0 00000-0 0 9998
2 42951 0.0293 24.1445 0003576 336.4172 261.7410 1.00270247 30236
Epoch: Jan 12, 2026 •
Age: 12 hours
Current Status
Altitude 35784.8 km
Velocity 3.07 km/s
Sub-Earth Point 0.04°N,
109.87°E
Launch Date Sep 29, 2017
Age 8.2 years
Type other
Technical Details
Classification Payload
Mass 3520.00 kg
Dry Mass 1800.00 kg
Total Mass 3520.00 kg
Length 5.10 m
Diameter 2.70 m
Span 24.70 m
Shape Box + 2 panels
Manufacturer SSL
Bus Type LS-1300
Phase Status In Orbit
Owner/State BSAT/J
Large Constellations
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