BSAT-4a
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| Mission type | Communication |
|---|---|
| Operator | B-SAT |
| COSPAR ID | 2017-059B |
| SATCAT no. | 42951 |
| Website | (Japanese) |
| Mission duration | 15 years (planned) |
| Spacecraft properties | |
| Spacecraft | BSAT-4a |
| Spacecraft type | BSAT |
| Bus | SSL 1300 |
| Manufacturer | Space Systems/Loral |
| Launch mass | 3500 kg |
| Start of mission | |
| Launch date | 29 September 2017, 21:56 UTC[1] |
| Rocket | Ariane 5 ECA |
| Launch site | Guiana Space Center ELA-3 |
| Contractor | Arianespace |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Geostationary orbit |
| Longitude | 110.0° East (Planned) |
| Transponders | |
| Band | 24 Ku-band |
| Coverage area | Japan |
BSAT-4a is a geostationary communications satellite ordered by Broadcasting Satellite System Corporation (BSAT) and designed and manufactured by SSL on the SSL 1300 platform, to be stationed on the 110.0° East orbital slot for direct television broadcasting of 4K and 8K Ultra HD resolutions.[2][3][4] It was launched on 29 September 2017.[5]
