EO-1 Hyperion
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The Earth-Observing One (EO-1) satellite was decommissioned March 2017. The EO-1 satellite was launched on November 21, 2000 with the NASA's New Millennium Program (NMP). The NMP was an advanced-technology development program created a new generation of technologies and mission concepts into future Earth and space science missions. Information of the EO-1 mission can be found on the EOPortal. All EO-1 ALI and Hyperion historical data will continue to be available through EarthExplorer for the foreseeable future. EO-1 Product Description The Earth Observing-1 (EO-1) satellite was launched November 21, 2000 as a one-year technology demonstration/validation mission. After the initial technology mission was completed, NASA and the USGS agreed to the continuation of the EO-1 program as an Extended Mission. The EO-1 Extended Mission is chartered to collect and distribute Hyperion hyperspectral and Advanced Land Imager (ALI) multispectral products according to customer tasking requests. Hyperion Instrument on board the EO-1 spacecraft Hyperion collects 220 unique spectral channels ranging from 0.357 to 2.576 micrometers with a 10-nm bandwidth. The instrument operates in a pushbroom fashion, with a spatial resolution of 30 meters for all bands. The standard scene width is 7.7 kilometers. Standard scene length is 42 kilometers, with an optional increased scene length of 185 kilometers (additional information). All Hyperion and Advanced Land Imager (ALI) data in the archive will be attempted to be processed to the Level 1Gst level of correction. If the scene fails the Level 1Gst processing level, it will be removed from the archive and will become unavailable. As of June 15th, 2009, not all of the EO-1 data has been processed; please continue to check back if the scene of your interest is not available. We will be making attempts to process the failed scene as time and workload permits; however there are no guarantees that all of the EO-1 scenes will be able to be processed.
对地观测一号（Earth-Observing One, EO-1）卫星已于2017年3月正式退役。该卫星于2000年11月21日随美国国家航空航天局（National Aeronautics and Space Administration, NASA）的新千年计划（New Millennium Program, NMP）发射升空。新千年计划（NMP）是一项先进技术研发计划，旨在为未来的地球与空间科学任务打造新一代技术与任务构想。有关EO-1任务的相关信息可在EOPortal平台查询。在可预见的未来，所有EO-1搭载的先进陆地成像仪（Advanced Land Imager, ALI）与Hyperion高光谱数据的历史存档将持续通过EarthExplorer平台对外提供服务。 EO-1产品说明 对地观测一号（EO-1）卫星于2000年11月21日发射升空，原计划开展为期一年的技术演示与验证任务。初始技术任务完成后，美国国家航空航天局（NASA）与美国地质调查局（United States Geological Survey, USGS）达成协议，将EO-1项目转为扩展任务阶段。EO-1扩展任务的职责为根据用户任务申请，收集并分发Hyperion高光谱数据与先进陆地成像仪（ALI）多光谱数据产品。 EO-1卫星搭载的Hyperion仪器 Hyperion可采集220个独立光谱通道，波段范围为0.357至2.576微米，光谱带宽为10纳米。该仪器采用推扫式成像模式，所有波段的空间分辨率均为30米。标准成像幅宽为7.7千米，标准成像长度为42千米，支持将成像长度拓展至185千米（详见附加说明）。 存档中的所有Hyperion与先进陆地成像仪（ALI）数据均将尝试处理至Level 1Gst级校正数据。若某景数据无法通过Level 1Gst级处理，则将从存档中移除，不再对外提供。截至2009年6月15日，并非所有EO-1数据均已完成处理；若您所需的成像景数据暂未上线，请持续关注更新。我们将在时间与工作量允许的情况下，尝试对未通过处理的成像景数据进行补处理；但无法保证所有EO-1成像景数据均可完成处理。
