HD 103197 b
A confirmed exoplanet orbiting HD 103197.
Compared with Earth
- Mass
- About 29 times Earth's mass.
- Year
- A year here lasts about 48 Earth days.
Planet
- Radius
- Unknown
- Mass
- 28.6 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 47.84 days
- Average distance from its star
- 0.25 AU
Star
- Host star
- HD 103197
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,250 K
- Radius
- 0.88 × Sun
- Mass
- 0.8 × Sun
- Age
- Unknown
System
- Distance from Earth
- 186.4 light-years (57.15 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2011
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.