HD 103891 b
A confirmed exoplanet orbiting HD 103891.
Compared with Earth
- Mass
- About 458 times Earth's mass.
- Year
- A year here lasts about 5.3 Earth years.
Planet
- Radius
- Unknown
- Mass
- 457.7 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 1,919 days
- Average distance from its star
- 3.27 AU
Star
- Host star
- HD 103891
- Spectral class
- F — yellow-white
- Surface temperature
- 6,072 K
- Radius
- 2.22 × Sun
- Mass
- 1.28 × Sun
- Age
- 3.68 billion years
System
- Distance from Earth
- 181.1 light-years (55.52 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2022
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.