TRAPPIST-1f, also designated as 2MASS J23062928-0502285 f, is an exoplanet, likely rocky but under a massive water-steam gaseous envelope at very high pressure and temperature, orbiting within the habitable zone around the ultracool dwarf star TRAPPIST-1 39 light-years away from Earth in the constellation of Aquarius.

Distance to Earth: 39.46 light years

Gravity: 6.08 m/s²

Radius: 4,137 mi

Discovered: February 22, 2017

Discoverer: Michaël Gillon

Orbits: TRAPPIST-1