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ISO 21740:2025

ISO 21740:2025 Space systems — Launch window estimation and collision avoidance

CDN $251.00

This publication was last reviewed and confirmed in 2025.

Space systems — Launch window estimation and collision avoidance

Description

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).

Edition

1

Published Date

2026-06-19

Status

PUBLISHED

Pages

20

Language Detail Icon

English

Format Secure Icon

Secure PDF

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).

Previous Editions

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