| タイトル | On-Orbit ACDS Performance of the Landsat 7 Spacecraft |
| 本文（外部サイト） | http://hdl.handle.net/2060/20010026439 |
| 著者（英） | Holmes, Eric; Sabelhaus, Phillip; Scott, Steve; O'Donnell, James R., Jr.; Bolek, Joseph; Storey, James |
| 著者所属（英） | NASA Goddard Space Flight Center |
| 発行日 | 2001-01-01 |
| 言語 | eng |
| 内容記述 | Landsat 7 is part of NASA's Earth Science Enterprise (ESE). The ESE is committed to developing an understanding of the total Earth system, the effects of natural and human-induced changes on the global environment, and how natural processes affect humans and how humans affect them. The Landsat 7 satellite consists of the spacecraft bus which was provided under a NASA contract with Lockheed Martin Missiles and Space in Philadelphia, PA, and the Enhanced Thematic Mapper-Plus (ETM+) instrument, procured under a NASA contract with Raytheon Santa Barbara Remote Sensing, in Santa Barbara, CA. The Landsat 7 Attitude Control and Determination System (ACDS) provides many essential functions for the operation of the spacecraft bus and for ETM+. The ACDS maintains the required attitude and orbit at the degree of accuracy necessary for power generation, command and telemetry, thermal balance, image acquisition, Gimbaled X-Band Antenna (GXA) pointing and data for image post-processing. Descriptions of the Landsat 7 mission and the ACDS modes and requirements are presented. A brief summary of significant events of the on-orbit initialization and validation period are provided. Finally, the Landsat 7 product generation system is described and the impact that the ACDS performance has on the ground based image processing system is explored. |
| NASA分類 | Astrodynamics |
| レポートNO | AAS-01-077 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/226361 |
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