launch window

American  

noun

1. a precise time period during which a spacecraft can be launched from a particular site in order to achieve a desired mission, as a rendezvous with another spacecraft.

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launch window British  

noun

1. the limited period during which a spacecraft can be launched on a particular mission

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Etymology

Origin of launch window

First recorded in 1960–65

Example Sentences

The launch window for the Artemis 2 mission had been set for February 6-11 -- until leaks detected this week during final tests pushed the date back to March 6.

From Barron's

The next possible launch window now opens March 6.

From Barron's

Final decisions on the best launch window for each mission will be made closer to flight, based on readiness and conditions.

From Science Daily

The FAA said it required the launch window to be scheduled during “non-peak transit periods.”

From Salon

Nasa's planned launch window opens on 6 February and runs into the spring.

From BBC