Highest altitude reached by humans

Highest altitude reached by humans
Who
Jeremy Hansen, Christina Koch, Victor Glover, Reid Wiseman
What
406,771 kilometre(s)
Where
United States (Merritt Island)
When
06 April 2026

The highest altitude reached by humans is 406,771 km (252,756 mi) and was achieved by Reid Wiseman, Victor Glover, Christina Koch (all USA) and Jeremy Hansen (Canada), while aboard the Artemis II, as verified by NASA's Kennedy Space Center in Florida, USA on 6 April 2026.

These are the four astronauts selected for NASA’s Artemis II mission and their roles: (Commander) Reid Wiseman, (Pilot) Victor Glover, and (Mission Specialist) Christina Koch and (Mission Specialist) Jeremy Hansen from the Canadian Space Agency.