HD 5278 c
A confirmed exoplanet orbiting HD 5278.
Compared with Earth
- Mass
- About 18 times Earth's mass.
- Year
- A year here lasts about 41 Earth days.
Planet
- Radius
- Unknown
- Mass
- 18.4 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 40.87 days
- Average distance from its star
- 0.2416 AU
Star
- Host star
- HD 5278
- Spectral class
- F — yellow-white
- Surface temperature
- 6,203 K
- Radius
- 1.194 × Sun
- Mass
- 1.126 × Sun
- Age
- 3 billion years
System
- Distance from Earth
- 187.8 light-years (57.58 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2021
- Method
- Radial Velocity
- Facility
- Paranal Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.