Next Spaceflight


BSat 4b

Launch Time
NET February, 2020


Ariane 5 ECA
Status: Active
Price: $200.0 million
Liftoff Thrust: 15,120 kN
Payload to LEO: 21,000 kg
Payload to GTO: 10,500 kg
Stages: 2
Strap-ons: 2
Rocket Height: 53.0 m
Fairing Diameter: 5.4 m
Fairing Height: 17.0 m

Mission Details

BSat 4b

BSat ba is broadcasting satellite for Broadcasting Satellite System Corporation (B-SAT). The satellite will be used for Direct-to-Home (DTH) television service in Japan. Space Systems/Loral (SSL) got the contract to build the BSat 4b satellite in June 2018. BSAT-4b will have 24 Ku-band transponders and will expand the availability of advanced television services such as high definition and 4K/8K ultra-high definition television. BSAT-4a is based on the highly reliable SSL-1300 platform, which provides high power and the flexibility to support a broad range of applications and technology advances. The satellite is designed to provide service for 15 years or more.
Payloads: 1
Total Mass: 3,520 kg
Geostationary Transfer Orbit