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ZX 6A (ChinaSat 6A)


ZX 6A (Zhongxing 6A, ChinaSat 6A) (formerly Sinosat-6, Xinnuo 6) is based upon a DFH-4 bus and embarks a hybrid communications payload made up of 24 C-band, 8 Ku-band and 1 S-band active transponders. The spacecraft will have a 15-year design lifetime and a 5,000 kg launch mass.

After launch, the satellite developed a leakage in the helium pressurization system, which lead to a significant reduction of the operational life to only 11 years. It was replaced in April 2022 by ZX 6D.

Nation: China
Type / Application: Communication
Operator: China Satcom (formerly Sino Satellite Communications)
Contractors: CAST
Equipment: 24 C-band, 8 Ku-band and 1 S-band active transponders
Configuration: DFH-4 bus
Power: 2 deployable solar arrays, batteries
Lifetime: 15 years (planned); 11 years (achieved)
Mass: ~ 5000 kg
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
ZX 6A (ChinaSat 6A) (ex Sinosat 6, Xinnuo 6) 2010-042A 04.09.2010 Xi LC-2 CZ-3B/G2


  • CAST website
Further Sinosat missions:

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