近日，由我国主导制定的两项航天领域国际标准《航天系统-发射窗口估计与碰撞规避》《航天系统-卫 星姿态轨道控制系统稳定运行要求》，由国际标准化组织(ISO)正式批准发布。截至目前，由我国主导 制定的航天领域ISO国际标准已发布30项，发布和在研标准总数累计达38项。 据悉，此次发布的《航天系统-发射窗口估计与碰撞规避》(ISO21740：2025)规定了发射窗口分析和安 全发射时机识别程序的相关要求，以及碰撞规避风险评估矩阵(安全距离、碰撞概率)的相关约束和要 求；适用于单次发射任务中新发射物体(含运载火箭级段、释放分离的航天器及其他物体)与飞行路径上 任何空间物体(含航空器、在轨载人空间站和航天器)之间的碰撞风险分析，便于确定最优的发射窗口和 时机。 该标准由我国联合美国、法国、日本共同提出，由中国航天标准化研究所承担具体起草工作。该标准的 制定和发布，是我国积极参与外空治理、共建外空活动规则、推动构建人类外空命运共同体、彰显负责 任大国担当的又一生动实践。 《航天系统-卫星姿态轨道控制系统稳定运行要求》(ISO16615：2025)规定了卫星姿态与轨道控制系统 在轨稳定运行的定义；根据卫星在轨稳定运行的影响 ...

Core Points - The China Aerospace Science and Technology Corporation has led the development of two international standards recently published by the International Organization for Standardization (ISO) [1][2] - A total of 30 international standards in the aerospace field have been published under China's leadership, with 38 standards either published or in development [1] Group 1: Standard Details - The first standard, "Aerospace Systems - Launch Window Estimation and Collision Avoidance" (ISO 21740:2025), outlines requirements for launch window analysis and safety launch timing identification, including a collision avoidance risk assessment matrix [1] - This standard is applicable to collision risk analysis between newly launched objects and any space objects along the flight path, facilitating the determination of optimal launch windows and timing [1] - The standard was jointly proposed by China, the United States, France, and Japan, with the China Aerospace Standardization Research Institute responsible for drafting [1] Group 2: Stability Requirements - The second standard, "Aerospace Systems - Requirements for Stable Operation of Satellite Attitude and Orbit Control Systems" (ISO 16615:2025), defines the stable operation of satellite attitude and orbit control systems [2] - It establishes principles and requirements for building the stability capabilities of these systems based on influencing factors [2] - The Beijing Control Engineering Research Institute led the preparation of this standard, with the China Aerospace Standardization Research Institute coordinating technical discussions with the ISO [2]