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

As for Mars, a launch window opens on Earth about every 26 months, when the two planets are closest to one another External link.

From Barron's

So missing the 2026 launch window means at least a two-year delay.

From Barron's

The launch window opens early on Thursday, months ahead of schedule.

From Barron's

If those tests work out, SpaceX will then plan to escalate their plans when the launch window to send ships from Earth to Mars opens up again a few years later.

From MarketWatch

The launch window for the “Owl New World” satellite deployment mission opens on Oct.

From MarketWatch