Al Yah 3 & SES-14
阿丽亚娜航天 (Arianespace) · 阿丽亚娜 5 ECA · 阿丽亚娜 3 号发射区 (ELA-3)
任务简介
Al Yah 3 是由 Orbital ATK 为 Yahsat 建造的一颗地球静止通信卫星。它重 3790 公斤，携带 53 个 Ka 波段用户波束和 4 个网关波束，计划在轨运行 15 年。Al Yah 3 将为非洲和巴西提供电信服务。SES-14 也是一颗将部署到地球静止轨道的通信卫星，用于替换 NSS-806 卫星。SES-14 的覆盖范围包括美洲和北大西洋地区。该卫星还搭载了 NASA 的全球尺度边缘和盘面观测（GOLD）任务的有效载荷，该任务将对地球热层和电离层进行为期两年的成像。
原文
Al Yah 3 is a geostationary communications satellite built by Orbital ATK for Yahsat. It weighs 3790 kg, carries 53 Ka-band user beams and 4 gateway beams, and is intended for 15 years of operation in orbit. Al Yah 3 will provide telecommunication services to Africa and Brazil. SES-14 is also a communications satellite to be placed in geostationary orbit, replacing NSS-806 satellite. SES-14 coverage includes the Americas and the North Atlantic Region. Spacecraft also carries a hosted payload for NASA, Global-Scale Observations of the Limb and Disk (GOLD) mission, which will be imaging Earth's thermosphere and ionospehere for two years.
事故描述
有效载荷被送入错误轨道。
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