BD-210397 b
A confirmed exoplanet orbiting BD-210397.
Compared with Earth
- Mass
- About 214 times Earth's mass.
- Starlight
- About 2% of the starlight Earth gets from the Sun.
- Year
- A year here lasts about 5.2 Earth years.
Planet
- Radius
- Unknown
- Mass
- 214 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- 0.02 × Earth
- Orbital period
- 1,891 days
- Average distance from its star
- 2.63 AU
Star
- Host star
- BD-210397
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,051 K
- Radius
- 0.747 × Sun
- Mass
- 0.679 × Sun
- Age
- 6.2 billion years
System
- Distance from Earth
- 77.4 light-years (23.73 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2023
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.