LP 791-18 d
A confirmed exoplanet orbiting LP 791-18.
Compared with Earth
- Size
- Almost exactly Earth's width.
- Mass
- About 91% of Earth's mass.
- Year
- A year here lasts about 2.8 Earth days.
Planet
- Radius
- 1.032 × Earth
- Mass
- 0.91 × Earth
- Density
- 4.56 g/cm³
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 2.755 days
- Average distance from its star
- 0.01992 AU
Star
- Host star
- LP 791-18
- Spectral class
- M — red dwarf
- Surface temperature
- 2,960 K
- Radius
- 0.182 × Sun
- Mass
- 0.139 × Sun
- Age
- 0.5 billion years
System
- Distance from Earth
- 86.41 light-years (26.49 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2023
- Method
- Transit
- Facility
- Spitzer Space Telescope
Data from the NASA Exoplanet Archive, synced October 14, 2026.