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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク NASA Orbital Debris Program Office ： ウィキペディア英語版 NASA Orbital Debris Program Office The NASA Orbital Debris Program Office is located at the Johnson Space Center and is the lead NASA center for orbital debris research. It is recognized world-wide for its leadership in addressing orbital debris issues. The NASA Orbital Debris Program Office has taken the international lead in conducting measurements of the environment and in developing the technical consensus for adopting mitigation measures to protect users of the orbital environment. Work at the center continues with developing an improved understanding of the orbital debris environment and measures that can be taken to control its growth. Orbital Debris research at NASA is divided into several broad research efforts, involving modeling, measurements, protection, mitigation and reentry of orbital debris. == Modeling == NASA scientists continue to develop and upgrade orbital debris models to describe and characterize the current and future debris environment. Engineering models, such as ORDEM2000, can be used for debris impact risk assessments for spacecraft and satellites, including the International Space Station and the Space Shuttle. Evolutionary models, such as EVOLVE and LEGEND, are designed to predict the future debris environment. They are reliable tools to study how the future debris environment reacts to various mitigation practices. ORDEM2000 was replaced in 2010 by ORDEM2010. This release represents a significant improvement in the NASA ODPO’s empirically-based debris assessment modeling program. This version of the long-running series includes ten years of additional data, new validated high-fidelity environment models, new statistical processes for data and model analysis, the extension of the modeling through GEO, the inclusion of debris material density, and a new spacecraft-encompassing igloo analysis package, with an advanced companion GUI. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「NASA Orbital Debris Program Office」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.