About Beidou DW 40
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 43647U 18078A 26015.52649940 -.00000074 00000-0 00000+0 0 9992
2 43647 54.2296 305.3396 0007890 23.4296 336.6271 1.86232430 49317
Epoch: Jan 15, 2026 •
Age: 27 hours
Current Status
Altitude 21506.1 km
Velocity 3.78 km/s
Sub-Earth Point 20.82°N,
24.97°W
Launch Date Oct 15, 2018
Age 7.2 years
Type navigation
Technical Details
Classification Payload
Mass 1014.00 kg
Dry Mass 850.00 kg
Total Mass 1014.00 kg
Length 2.20 m
Diameter 1.70 m
Span 10.00 m
Shape Box + 2 Pan
Manufacturer SECM
Bus Type BD-3M/SAR
Phase Status In Orbit
Owner/State CNSA/CN
Large Constellations
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