LHS 1478 b
A confirmed exoplanet orbiting LHS 1478.
Compared with Earth
- Size
- About 1.2 times Earth's width.
- Mass
- About 2.3 times Earth's mass.
- Temperature
- About 324 °C (615 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 21 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 1.9 Earth days.
Planet
- Radius
- 1.174 × Earth
- Mass
- 2.27 × Earth
- Density
- 7.7 g/cm³
- Equilibrium temperature
- 597.3 K
- Starlight received
- 20.9 × Earth
- Orbital period
- 1.95 days
- Average distance from its star
- 0.01872 AU
Star
- Host star
- LHS 1478
- Spectral class
- M — red dwarf
- Surface temperature
- 3,415 K
- Radius
- 0.2462 × Sun
- Mass
- 0.2301 × Sun
- Age
- Unknown
System
- Distance from Earth
- 59.45 light-years (18.23 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.