HD 203030 b
A confirmed exoplanet orbiting HD 203030.
Compared with Earth
- Size
- About 14 times Earth's width.
- Mass
- About 3,496 times Earth's mass.
- Temperature
- About 767 °C (1,412 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Planet
- Radius
- 14.46 × Earth
- Mass
- 3,496 × Earth
- Density
- Unknown
- Equilibrium temperature
- 1,040 K
- Starlight received
- Unknown
- Orbital period
- Unknown
- Average distance from its star
- Unknown
Star
- Host star
- HD 203030
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- Unknown
- Mass
- Unknown
- Age
- 0.1 billion years
System
- Distance from Earth
- 128 light-years (39.25 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2006
- Method
- Imaging
- Facility
- Palomar Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.