Ross 508 b
A confirmed exoplanet orbiting Ross 508.
Compared with Earth
- Mass
- About 4 times Earth's mass.
- Year
- A year here lasts about 11 Earth days.
Planet
- Radius
- Unknown
- Mass
- 4 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 10.77 days
- Average distance from its star
- 0.05366 AU
Star
- Host star
- Ross 508
- Spectral class
- M — red dwarf
- Surface temperature
- 3,071 K
- Radius
- 0.2113 × Sun
- Mass
- 0.1774 × Sun
- Age
- Unknown
System
- Distance from Earth
- 36.56 light-years (11.21 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2022
- Method
- Radial Velocity
- Facility
- Subaru Telescope
Data from the NASA Exoplanet Archive, synced October 14, 2026.