YZ Cet c
A confirmed exoplanet orbiting YZ Cet.
Compared with Earth
- Mass
- About 1.1 times Earth's mass.
- Temperature
- About 137 °C (279 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 4.7 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.1 Earth days.
Planet
- Radius
- Unknown
- Mass
- 1.14 × Earth
- Density
- Unknown
- Equilibrium temperature
- 410.3 K
- Starlight received
- 4.72 × Earth
- Orbital period
- 3.06 days
- Average distance from its star
- 0.02156 AU
Star
- Host star
- YZ Cet
- Spectral class
- M — red dwarf
- Surface temperature
- 3,151 K
- Radius
- 0.157 × Sun
- Mass
- 0.142 × Sun
- Age
- 3.8 billion years
System
- Distance from Earth
- 12.11 light-years (3.712 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2017
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.