L 98-59 b
A confirmed exoplanet orbiting L 98-59.
Compared with Earth
- Size
- About 84% of Earth's width.
- Mass
- About 46% of Earth's mass.
- Temperature
- About 347 °C (656 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 25 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.3 Earth days.
Planet
- Radius
- 0.837 × Earth
- Mass
- 0.46 × Earth
- Density
- 4.3 g/cm³
- Equilibrium temperature
- 620 K
- Starlight received
- 24.5 × Earth
- Orbital period
- 2.253 days
- Average distance from its star
- 0.0223 AU
Star
- Host star
- L 98-59
- Spectral class
- M — red dwarf
- Surface temperature
- 3,415 K
- Radius
- 0.3155 × Sun
- Mass
- 0.2923 × Sun
- Age
- 4.94 billion years
System
- Distance from Earth
- 34.64 light-years (10.62 parsecs)
- Stars in system
- 1
- Known planets
- 5
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.