HYLAS-4
HYLAS-4 is a telecommunications satellite owned and operated by Avanti Communications and manufactured by Orbital ATK (now Northrop Grumman Innovation Systems) that was launched by an Ariane 5 rocket on 5 April 2018.
| Operator | Avanti Communications |
|---|---|
| COSPAR ID | 2018-033B |
| SATCAT no. | 43272 |
| Mission duration | 15 years |
| Spacecraft properties | |
| Bus | Star-3 Bus |
| Manufacturer | Orbital ATK |
| Launch mass | 4,000 kg |
| Start of mission | |
| Launch date | 5 April 2018, 21:34 UTC |
| Rocket | Ariane 5 flight VA242 |
| Launch site | ELA-3, Guiana Space Centre |
| Contractor | Arianespace |
| Orbital parameters | |
| Eccentricity | circular |
| Periapsis altitude | 35,786 km |
| Apoapsis altitude | 35,786 km |
| Period | 23h 56min |
| Transponders | |
| Band | Ka-band |
| Capacity | up to 28 GHz |
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