TRMM & ETS 7
日本宇宙航空研究开发机构 (JAXA) · H-II · 吉信发射综合体 LP-1
任务简介
TRMM（热带降雨测量任务）是首个致力于定量测量热带和亚热带降雨的太空任务，降雨是全球气候系统中最重要但最不为人知的参数之一。ETS-VII（工程试验卫星，“Kiku 7”）于1997年11月由H-2第6号火箭从种子岛航天中心发射。ETS-VII本身由两颗卫星组成：“Orihime”和“Hikoboshi”。“Orihime”是一颗目标卫星，重约400公斤，被放置在高度约550公里的固定圆形轨道上。“Hikoboshi”是一颗追踪卫星，重约2.5吨，它在可变轨道上移动，与“Orihime”交会对接。“Hikoboshi”配备了一个两米长、具有六个关节和三爪的机械臂。
原文
TRMM (Tropical Rainfall Measuring Mission) is the first space mission dedicated to quantitatively measuring tropical and subtropical rainfall which is one of the most important and least-known parameters affecting the global climate system. ETS-VII (Engineering Test Satellite, "Kiku 7") was launched aboard the H-2 No. 6 rocket from Tanegashima Space Center in November 1997.mETS-VII itself comprises two satellites: "Orihime" and "Hikoboshi". "Orihime" is a target satellite weighing approximately 400 kilograms. It is placed in a fixed circular orbit at an altitude of roughly 550 kilometers. "Hikoboshi" is a chaser satellite, weighing some 2.5 tons. It moves in a variable orbit to rendezvous and dock with "Orihime". "Hikoboshi" is equipped with a six-jointed, three-clawed robot arm two meters long.
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