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In orbit storage study for MSG satellites, an efficient method for spacecraft resources exploitation

机译：在轨道卫星的轨道存储研究中，宇宙飞船资源利用的有效方法

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The Meteosat Second Generation (MSG) program consists of a series of geostationary satellites, which provide meteorological services over Europe dating back to the first spacecraft being launched in year 2002. The MSG-4 satellite is the last of the MSG series spacecraft, and it was assembled some years back in order to optimize the production costs, and it has been kept in ground storage at Thales Alenia Space facilities in France since then. The current three in-orbit spacecraft (Meteosat-8 (MSG-1), Meteosat-9 (MSG-2) and Meteosat-10 (MSG-3)) have been operating with both a high performance and high availability, and hence there has been no immediate requirement to launch MSG-4, therefore that satellite has been kept longer in storage on the ground. In consideration of the limits to the satellite's lifetime on ground (if no refurbishment is made) and also of the additional costs associated to a continued storage on ground compared to the corresponding in orbit costs and lifetime limits, EUMETSAT conducted a tradeoff to determine whether it is more appropriate at this time to keep the spacecraft stored on ground, or to launch it and then store the spacecraft 'in-orbit'. As a result of this tradeoff, EUMETSAT adopted the second strategy. This paper describes the cost trade-offs of storage on ground vs storage in-orbit, including the operations recommended to store an MSG spacecraft in-orbit, the in-orbit commissioning to conduct on a new spacecraft prior to storing in-orbit and the scope of a subsequent de-storage.
机译：Meteosat第二代（MSG）计划由一系列地球静止卫星组成，这为欧洲提供了与2002年第一个推出的第一个航天器的气象服务。MSG-4卫星是MSG系列航天器的最后一个航天器，它几年后被组装回来，以优化生产成本，从那时起法国的艾伦亚艾丽尼亚空间设施中一直在地上储存。目前的三个轨道航天器（Meteosat-8（MSG-1），Meteosat-9（MSG-2）和Meteosat-10（MSG-3））一直在运行高性能和高可用性，从而存在一直没有立即启动MSG-4的要求，因此卫星在地面上保持更长时间。考虑到卫星在地面上的寿命的限制（如果没有翻新），而且与与终止轨道成本和终身限制相对应的地面上继续储存相关的额外成本，EumetSAT进行了衡量以确定它的权衡此时更合适，以防止宇宙飞船存储在地面上，或推出它，然后将航天器的“轨道”储存。由于这个权衡，Eumetsat通过了第二次策略。本文介绍了地面VS存储轨道上存储的成本权衡，包括建议存储MSG航天器在轨道上的操作，在存储轨道上的新航天器上进行轨道委托进行轨道委托。后续卸货的范围。

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