HD 224018 b
A confirmed exoplanet orbiting HD 224018.
Compared with Earth
- Size
- About 91% of Earth's width.
- Mass
- About 4.1 times Earth's mass.
- Temperature
- About 695 °C (1,283 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 11 Earth days.
Planet
- Radius
- 0.91 × Earth
- Mass
- 4.1 × Earth
- Density
- 17.1 g/cm³
- Equilibrium temperature
- 968 K
- Starlight received
- Unknown
- Orbital period
- 10.64 days
- Average distance from its star
- 0.0952 AU
Star
- Host star
- HD 224018
- Spectral class
- G — sun-like
- Surface temperature
- 5,784 K
- Radius
- 1.147 × Sun
- Mass
- 1.013 × Sun
- Age
- 7 billion years
System
- Distance from Earth
- 344 light-years (105.5 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2025
- Method
- Radial Velocity
- Facility
- Roque de los Muchachos Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.