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

With a two-hour launch window, there will be a hope that any clouds, potential showers and strong winds may subside or stay far enough away that there will be a weather window.

From BBC

Ahead of the Artemis launch window, the 45th Weather Squadron will not only be looking at conditions at Cape Canaveral but also in other areas such as potential recovery sites in the North Atlantic where "the weather is not particularly favourable at this time of year" in case things go wrong.

From BBC

The launch window for Artemis II, as the mission is called, opens at 6:24 p.m.

From The Wall Street Journal

"We still have some weather updates and some technical things to get through between now and when the launch window opens," he added.

From Barron's

Engineers say the issue has now been fixed and hope that a series of final tests at the pad will confirm the rocket is ready for an early‑April launch window.

From BBC