HYLAS-4
Operator | Avanti Communications[1] |
---|---|
COSPAR ID | 2018-033B |
SATCAT no. | 43272 |
Mission duration | 15 years[1] |
Spacecraft properties | |
Bus | Star-3 Bus |
Manufacturer | Orbital ATK[2] |
Launch mass | 4,000 kg |
Start of mission | |
Launch date | 5 April 2018, 21:34 UTC[2] |
Rocket | Ariane 5 flight VA242[2] |
Launch site | ELA-3, Guiana Space Centre[2] |
Contractor | Arianespace[1] |
Orbital parameters | |
Eccentricity | circular[3] |
Periapsis altitude | 35,786 km[3] |
Apoapsis altitude | 35,786 km[3] |
Period | 23h 56min[4] |
Transponders | |
Band | Ka-band[1] |
Capacity | up to 28 GHz[1] |
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.[2]
Mission
The satellite is built to provide high speed data transmission services to Africa, Latin America and Europe.[5] It is based on Orbital ATK's Star-3 Bus, delivering 64 28 GHz fixed beams covering Africa and parts of Europe. There are also four independent steerable beams that can serve Africa, South America and Europe.[6] The capacity will partially be used to allow Avanti to expand into new markets and provide growth for existing markets.[1]
Launch
The satellite was launched into geosynchronous orbit by Arianespace on an Ariane 5 rocket in its ECA variant from ELA-3 at Guiana Space Centre in French Guiana. The launch was originally planned in early 2017 but has been delayed to 21 March 2018, and then to 5 April 2018.[1][2] The satellite reached its geostationary orbital position by 19 April 2018.[7]
References
- ^ a b c d e f g "HYLAS 4". space.skyrocket.de. Retrieved 2018-03-03.
- ^ a b c d e f "Ariane 5 (VA242) • DSN-1 & Hylas 4". spaceflight101.com. Retrieved 2018-03-03.
- ^ a b c "What Is a Geosynchronous Orbit?". Space.com. Retrieved 2018-03-03.
- ^ "Sidereal Day | COSMOS". astronomy.swin.edu.au. Retrieved 2018-03-03.
- ^ "Hylas 4 satellite to be launched by Arianespace - Arianespace". Arianespace. Retrieved 2018-03-03.
- ^ "Avanti Communications - Satellite Fleet - HYLAS 4". Avanti Communications. Archived from the original on 2018-10-25. Retrieved 2018-10-25.
- ^ "Avanti Communications announces its HYLAS 4 satellite has successfully reached its geostationary orbital position | Investor Relations". 10 July 2023.
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