TRAPPIST-1e, also designated as 2MASS J23062928-0502285 e, is a solid, almost Earth-sized exoplanet orbiting within the habitable zone around the ultracool dwarf star TRAPPIST-1 approximately 40 light-years away from Earth in the constellation of Aquarius.

Distance to Earth: 39.46 light years

Gravity: 9.12 m/s²

Radius: 3,602 mi

Orbital period: 146 hours

Discovered: February 22, 2017

Density: 5.65 g/cm³