GB/T 45741-2025Lifetime estimation method of space debris in low earth orbit (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed and coordinated by the National Technical Committee for Standardization of Aerospace Technology and Its Applications (SAC/TC425).

This document was drafted by: National Astronomical Observatory of the Chinese Academy of Sciences, Major Special Project Center of the State Administration of Science, Technology and Industry for National Defense, Beijing Aerospace University, China Institute of Aerospace Standardization, and Beijing Space Vehicle General Design Department.

The main drafters of this document are: Liu Jing, Zhang Yao, Li David, Tang Menghui, Wang Yue, Zheng Fengchun, Li Yang, Quan Haofang, Feng Hao, Zhao Nanying.

Calculation method of lifetime of space debris in low earth orbit

1 Scope

This document specifies the methods for calculating the on-orbit lifetime of low-Earth orbit space debris, including the area-to-mass ratio calculation method and the lifetime time calculation method. method.

This document is applicable to the design of space debris mitigation programmes, the design of spacecraft and launch vehicle deorbit trajectories, and the overall space debris environment assessment. Estimation, etc.

2 Normative references

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document.