ISO 21740:2025
International Standard
Current Edition
·
Approved on
17 July 2025
Space systems — Launch window estimation and collision avoidance
ISO 21740:2025 Files
English
20 Pages
Current Edition
OMR
66.72
ISO 21740:2025 Scope
This document establishes the general safety launch collision avoidance (safety LCOLA) requirements for the avoidance of collision between the collection of newly launched objects resulting from a space launch [including launch vehicle stage(s) and payloads or released objects] and human-inhabited or human-habitable space stations and space vehicles.
The document specifies the requirements for the analysis of launch times and procedures for identifying safe launch opportunities. It also describes the assessment and constraints for collision avoidance risk evaluation metrics (launch collision probability and standoff distance).
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