Artemis II is expected to be in space for about 10 days. NASA and recent reporting both describe it as a roughly 10-day lunar flyby mission around the Moon and back.

Quick Scoop

  • Mission length: about 10 days.
  • What it does: carries astronauts around the Moon, then returns to Earth without landing.
  • Why it matters: it’s the first crewed Artemis mission and the first human trip beyond low Earth orbit since Apollo 17.

In one line

If you’re asking “how long will Artemis 2 be in space,” the simplest answer is: around 10 days total.

TL;DR: Artemis II should last about 10 days in space.