Kepler-423 b

A confirmed exoplanet orbiting Kepler-423.

Compared with Earth

Size
About 13 times Earth's width.
Mass
About 189 times Earth's mass.
Temperature
About 1,332 °C (2,429 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 2.7 Earth days.

Planet

Radius
13.36 × Earth
Mass
189.1 × Earth
Density
0.459 g/cm³
Equilibrium temperature
1,605 K
Starlight received
Unknown
Orbital period
2.684 days
Average distance from its star
0.03585 AU

Star

Host star
Kepler-423
Spectral class
G — sun-like
Surface temperature
5,560 K
Radius
0.95 × Sun
Mass
0.85 × Sun
Age
11 billion years

System

Distance from Earth
2,475 light-years (758.8 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2014
Method
Transit
Facility
Kepler

Data from the NASA Exoplanet Archive, synced October 14, 2026.