HD 80653 b
A confirmed exoplanet orbiting HD 80653.
Compared with Earth
- Size
- About 1.6 times Earth's width.
- Mass
- About 5.6 times Earth's mass.
- Temperature
- About 2,165 °C (3,929 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 17 hours.
Planet
- Radius
- 1.621 × Earth
- Mass
- 5.61 × Earth
- Density
- 7.24 g/cm³
- Equilibrium temperature
- 2,438 K
- Starlight received
- Unknown
- Orbital period
- 0.7196 days
- Average distance from its star
- 0.01657 AU
Star
- Host star
- HD 80653
- Spectral class
- G — sun-like
- Surface temperature
- 5,959 K
- Radius
- 1.199 × Sun
- Mass
- 1.15 × Sun
- Age
- 3.3 billion years
System
- Distance from Earth
- 358.3 light-years (109.9 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2020
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.