Active standard | Published: 17/07/2025

ISO 21740:2025

Space systems — Launch window estimation and collision avoidance
(Systemes spatiaux — Estimation de la fenetre de lancement et évitement des collisions)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 21740:2025

Publication date: 17/07/2025

Pages: 20

Country: International technical standard

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Anotation

Description / Abstract: 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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