Astra 5B

Astra 5B
Localização orbital 23° E (23,5° E)
Lançamento 22 de março de 2014 (10 anos)
Veículo Ariane 5 ECA
Operador Luxemburgo SES
Reino Unido Avanti Communications
Vida útil 15 anos
Fabricante EADS Astrium (Airbus Defence and Space)
Cobertura Europa
Ásia Central
Oriente Médio
Órbita Geoestacionária
Peso 5724 kg
Designação COSPAR 2014-011A

O Astra 5B (também conhecido por HYLAS 2B) é um satélite de comunicação geoestacionário europeu construído pela Airbus Defence and Space que está localizado na posição orbital de 23,5 graus de longitude leste e é operado pela SES Astra divisão da SES. O satélite foi baseado na plataforma Eurostar-3000 e sua expectativa de vida útil é de 15 anos.[1][2]

História

A SES S.A. e Astrium (atual Airbus Defence and Space) anunciaram em dezembro de 2009 que a SES encomendou quatro satélites multi-missão da Astrium para fornecer reposição, bem como incrementar a capacidade de suas divisões SES Astra e SES World Skies. Os novos satélites, são designados de Astra 2E, Astra 2F, Astra 2G e Astra 5B.

O Astra 5B foi implantado na posição orbital de 31,5 graus de longitude leste, estendendo a capacidade de transponder da SES Astra e o alcance geográfico sobre os mercados europeus e vizinhos orientais para Direct-to-home (DTH), Direct-to-cabo (DTC) e contribuir com o desenvolvimento da Televisão Digital Terrestre redes (TDT).[1]

A Avanti alugou em setembro de 2015 um feixe direcionável de banda Ka do Astra 5B, o aluguel perdurará por toda vida útil restante do satélite de 13,5 anos. A capacidade, totalizando cerca de 3 GHz, pode ser direcionada para a Europa, Oriente Médio e África e é comercializada como HYLAS 2B. O aluguer da capacidade do Astra 5B permitirá à Avanti desenvolver um mercado que pretendia servir com o satélite Hylas 3, que está atualmente atrasado com lançamento previsto apenas para 2019.[1]

Lançamento

O satélite foi lançado com sucesso ao espaço no dia 22 de março de 2014, às 22:04 UTC, por meio de um veículo Ariane 5 ECA, a partir do Centro Espacial de Kourou, na Guiana Francesa, juntamente com o satélite Amazonas 4A. Ele tinha uma massa de lançamento de 5724 kg.[1][2]

Capacidade e cobertura

O Astra 5B está equipado com vários transponders para prestar serviços de telecomunicação à Europa, Ásia Central e Oriente Médio.[2]

Ver também

Referências

  1. a b c d «Astra 2E, 2F, 2G, 5B» (em inglês). Gunter's Space Page. Consultado em 12 de abril de 2014 
  2. a b c «Astra 5B» (em inglês). SatBeams - Satellite Details. Consultado em 6 de março de 2014 

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