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GRACE-FO: The Gravity Recovery and Climate Experiment Follow-On Mission

机译：GRACE-FO：重力恢复和气候实验后续任务

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摘要

The Gravity Recovery and Climate Experiment Follow-On mission was conceived to continue the successful legacy of the recently decommissioned Gravity Recovery and Climate Experiment mission and, at the same time, serve as a platform to demonstrate the first-ever in-space intersatellite laser ranging interferometer as a technology pathfinder for future gravity mapping missions. Launched in May of 2018, the Gravity Recovery and Climate Experiment Follow-On observatory builds on the design of the original Gravity Recovery and Climate Experiment satellites, but incorporates a number of improvements based on lessons learned, and features significantly increased complexity due to the accommodation of the laser ranging interferometer. This paper provides an overview of the challenging requirements levied on the observatory, and the mission and spacecraft design necessary to meet them. As the original Gravity Recovery and Climate Experiment spacecraft design has not been, to date, broadly discussed in the engineering literature, this paper further highlights original design rationales, where still applicable. As future satellite-based geodesy missions with similar constraints and challenges emerge, the implementation of the Gravity Recovery and Climate Experiment Follow-On observatory described herein can serve as a pathfinder and guide for the successful realization of these endeavors.
机译：重力恢复和气候实验后续任务的构想是延续最近退役的重力恢复和气候实验任务的成功遗产，同时，它是展示有史以来首次空间卫星间激光测距的平台干涉仪作为未来重力测绘任务的技术探路者。重力恢复和气候实验跟踪天文台于2018年5月发射，建立在原始重力恢复和气候实验卫星的设计基础上，但根据汲取的经验教训进行了许多改进，并且由于适应性强而大大增加了复杂性激光测距干涉仪。本文概述了对天文台提出的具有挑战性的要求，以及满足这些要求所必需的任务和航天器设计。迄今为止，由于原始重力恢复和气候实验航天器的设计尚未在工程文献中得到广泛讨论，因此，本文在适用的情况下进一步强调了原始设计的原理。随着具有类似约束和挑战的未来基于卫星的大地测量任务的出现，本文所述的重力恢复和气候实验跟踪天文台的实施可以充当探路者和成功实现这些努力的指南。

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  • 来源
    《Journal of Spacecraft and Rockets》 |2019年第3期|931-951|共21页
  • 作者

    Kornfeld Richard P.; Arnold Bradford W.; Gross Michael A.; Dahya Neil T.; Klipstein William M.; Gath Peter F.; Bettadpur Srinivas;

  • 作者单位

    CALTECH, Jet Prop Lab, Syst Engn & Formulat Div, 4800 Oak Grove Dr, Pasadena, CA 91109 USA;

    CALTECH, Jet Prop Lab, Commun Tracking & Radar Div, 4800 Oak Grove Dr, Pasadena, CA 91109 USA;

    CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA;

    CALTECH, Jet Prop Lab, Syst Engn & Formulat Div, 4800 Oak Grove Dr, Pasadena, CA 91109 USA;

    CALTECH, Jet Prop Lab, Commun Tracking & Radar Div, 4800 Oak Grove Dr, Pasadena, CA 91109 USA;

    Airbus Def & Space GmbH, Airbus Earth Observat Syst, D-88090 Immenstaad, Germany;

    Univ Texas Austin, Ctr Space Res, Austin, TX 78759 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
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