LHS 1140 c
A confirmed exoplanet orbiting LHS 1140.
Compared with Earth
- Size
- About 1.3 times Earth's width.
- Mass
- About 1.9 times Earth's mass.
- Temperature
- About 149 °C (300 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 5.3 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.8 Earth days.
Planet
- Radius
- 1.272 × Earth
- Mass
- 1.91 × Earth
- Density
- 5.1 g/cm³
- Equilibrium temperature
- 422 K
- Starlight received
- 5.3 × Earth
- Orbital period
- 3.778 days
- Average distance from its star
- 0.027 AU
Star
- Host star
- LHS 1140
- Spectral class
- M — red dwarf
- Surface temperature
- 3,096 K
- Radius
- 0.2159 × Sun
- Mass
- 0.1844 × Sun
- Age
- 5 billion years
System
- Distance from Earth
- 48.88 light-years (14.99 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.