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Space terminology - Space debris
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GB/T 45621-2025
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Basic data
| Standard ID | GB/T 45621-2025 (GB/T45621-2025) |
| Description (Translated English) | Space terminology - Space debris |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | V70 |
| Classification of International Standard | 49.140 |
| Word Count Estimation | 42,460 |
| Date of Issue | 2025-05-30 |
| Date of Implementation | 2025-09-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 45621-2025: Space terminology - Space debris
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 49.140
CCSV70
National Standard of the People's Republic of China
Space debris
Released on 2025-05-30
2025-09-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 General terms 1
4 General terminology 5
5 Monitoring 9
6 Warning 12
7 Protection 15
8 Mitigation and removal19
9 Environmental Model 21
Reference 23
Index 24
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, Harbin Institute of Technology, China Academy of Launch Vehicle Technology, Beijing Space Flight Center
Spacecraft General Design Department, China Aerospace Standardization Institute.
The main drafters of this document are. Liu Jing, Jiang Hai, Yang Xu, Cheng Haowen, Pang Baojun, Shen Lin, Yan Jun, Quan Haofang, Li Xiaolong, Han Leran, Zhang Jia,
Cao Li, Zhang Yao, Li David, Zhao Nanying.
Space debris
1 Scope
This document defines terms related to space debris and their definitions.
This document is applicable to scientific research, engineering practice and academic exchanges related to the field of space debris.
2 Normative references
This document has no normative references.
3 General terms
3.1
space object spaceobject
Natural objects (celestial bodies) and man-made objects that orbit in the universe.
3.2
Meteoroid
Small celestial bodies in the solar system with sizes ranging from 30μm to 1m.
3.3
Micrometeoroid
Small, dust-sized meteoroids.
Note. Usually refers to meteoroids with a size less than 1 mm.
[Source. GB/T 32452-2015, 3.8.2.2, modified]
3.4
Small solar system body
Solar system bodies other than planets, dwarf planets and their satellites.
3.5
asteroid
Small rocky solar system bodies ranging in size from 1m to about 1000km.
3.6
Near Earth Object (NEO)
Small Solar System bodies with orbital perihelion distances less than 1.3 AU.
Note. Includes two major categories. near-Earth asteroids and near-Earth comets.
3.7
Near Earth Asteroid;NEA
Asteroids with an orbital perihelion less than 1.3 AU.
3.8
comet comet
Small solar system bodies composed of ice, dust, and larger rocks that typically move in elliptical orbits.
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