Home / Standards / GB/T 47263-2026 GB/T 47263-2026 Upcoming Space debris environment engineering model 空间碎片环境工程模型 Standard Type GBT ICS 49.140 CCS V70 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-07-01 Responsible Dept 国家标准委 Drafting Unit N/A