TOI-4559 b
A confirmed exoplanet orbiting TOI-4559.
Compared with Earth
- Size
- About 1.4 times Earth's width.
- Temperature
- About 281 °C (538 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 16 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4 Earth days.
Planet
- Radius
- 1.415 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 554.2 K
- Starlight received
- 15.77 × Earth
- Orbital period
- 3.966 days
- Average distance from its star
- 0.0359 AU
Star
- Host star
- TOI-4559
- Spectral class
- M — red dwarf
- Surface temperature
- 3,558 K
- Radius
- 0.374 × Sun
- Mass
- 0.392 × Sun
- Age
- 7 billion years
System
- Distance from Earth
- 103.2 light-years (31.64 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2024
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.