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Galaxy 30, MEV-2 & BSAT-4B
阿丽亚娜航天 (Arianespace) · Ariane 5 ECA+ · 阿丽亚娜 3 号发射区 (ELA-3)
任务简介
Galaxy-30 是一颗为 Intelsat 建造的地球静止通信卫星，由诺斯罗普·格鲁曼创新系统公司（NGIS）制造，计划为北美客户提供视频分发和广播服务。 Galaxy-30 卫星与 MEV-2 飞行器一同发射。MEV-2（任务延寿飞行器-2）是 NGIS 的第二次在轨服务任务。MEV-2 将于 2021 年初与 Intelsat 1002 卫星交会对接，随后利用自身推进器和燃料供应控制卫星轨道，从而延长其使用寿命。 本次飞行的另一个载荷是日本运营商 BSAT 的 BSAT-4b 卫星。BSAT-4b 将作为 2017 年发射的 BSAT-4a 卫星的备份，提供直播到户电视服务，预计运行至少 15 年。
原文
Galaxy-30 is a geostationary communications satellite for Intelsat. Satellite is built by Northrop Grumman Innovation Systems (NGIS) and is planned to provide video distribution and broadcast services to customers in North America. Galaxy 30 satellite is launched in tandem with MEV-2 vehicle. MEV-2, which stands for Mission Extension Vehicle-2, is the second servicing mission by NGIS. MEV-2 will rendezvous and dock with the Intelsat 1002 satellite in early 2021. Then, MEV-2 will use its own thrusters and fuel supply to control the satellite’s orbit, thereby extending its useful lifetime. Another passenger of the flight is the BSAT-4b satellite for the Japanese operator BSAT. BSAT-4b will serve as a back-up for BSAT-4a satellite, launched in 2017. BSAT-4b will provide Direct-to-Home television services and is expected to operate for at least 15 years.
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