The Subcommittee further noted that the United States was seeking to achieve, by 2020, its target of detecting, tracking, cataloguing and characterizing 90 per cent of objects with a diameter greater than 140 metres.
小组委员会还注意到，美国正在力求实现到2020年对90%的直径大于140米的天体进行探测、跟踪、编制目录和定性的目标。