TOI-559 b
A confirmed exoplanet orbiting TOI-559.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 1,910 times Earth's mass.
- Temperature
- About 907 °C (1,664 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 7 Earth days.
Planet
- Radius
- 12.23 × Earth
- Mass
- 1,910 × Earth
- Density
- 5.74 g/cm³
- Equilibrium temperature
- 1,180 K
- Starlight received
- Unknown
- Orbital period
- 6.984 days
- Average distance from its star
- 0.0723 AU
Star
- Host star
- TOI-559
- Spectral class
- G — sun-like
- Surface temperature
- 5,925 K
- Radius
- 1.233 × Sun
- Mass
- 1.026 × Sun
- Age
- 6.8 billion years
System
- Distance from Earth
- 760.8 light-years (233.3 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.