Robert Markowitz · Image source · Public domain

humanoid · retired

Robonaut 2

NASA / General Motors · United States · 2010

The first humanoid robot in space, a dexterous torso-and-arms assistant that worked aboard the International Space Station.

Specifications

1. [1]NASA Facts - Robonaut 2 fact sheet (FS-2011-08-046-JSC) · manufacturer · retrieved 2026-08-14“Height: 3 feet, 4 inches (from waist to head)”
2. [2]NASA Facts - Robonaut 2 fact sheet (FS-2011-08-046-JSC) · manufacturer · retrieved 2026-08-14“Weight: 330 pounds”
3. [3]NASA Facts - Robonaut 2 fact sheet (FS-2011-08-046-JSC) · manufacturer · retrieved 2026-08-14“Degrees of freedom: 42, total”
4. [4]NASA Facts - Robonaut 2 fact sheet (FS-2011-08-046-JSC) · manufacturer · retrieved 2026-08-14“Each arm boasts 7 degrees of freedom and the strength to hold 20 pounds in any pose in Earth's gravity.”

Specifications drift. Each retrieval date is shown so a stale number is visibly stale rather than quietly wrong.