HD 89345 b
A confirmed exoplanet orbiting HD 89345.
Compared with Earth
- Size
- About 7.4 times Earth's width.
- Mass
- About 35 times Earth's mass.
- Temperature
- About 816 °C (1,501 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 12 Earth days.
Planet
- Radius
- 7.398 × Earth
- Mass
- 34.96 × Earth
- Density
- 0.471 g/cm³
- Equilibrium temperature
- 1,089 K
- Starlight received
- Unknown
- Orbital period
- 11.81 days
- Average distance from its star
- 0.1066 AU
Star
- Host star
- HD 89345
- Spectral class
- G — sun-like
- Surface temperature
- 5,576 K
- Radius
- 1.747 × Sun
- Mass
- 1.157 × Sun
- Age
- 7.53 billion years
System
- Distance from Earth
- 431.7 light-years (132.3 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.