Teegarden d

Teegarden's Star d is a terrestrial exoplanet orbiting the M-type red dwarf Teegarden's Star, located 12.5 light-years from Earth. It has a mass of about 0.82 Earths, orbits its star every 26.1 days at a distance of 0.0791 AU, and was discovered in 2024. This makes it the third confirmed planet in the Teegarden's Star system, joining the previously known b and c planets.

NASA - Teegarden d

Type

Planet

Orbital characteristics

Semi-major axis: 0.0791 AU

Eccentricity 0.07

Orbital period (sidereal) 26.13±0.0014 d

Physical characteristics

Mass: ≥ 0.82ME

Temperature: 200 K (-73 °C)