K2-29 b

A confirmed exoplanet orbiting K2-29.

Compared with Earth

Size
About 13 times Earth's width.
Mass
About 232 times Earth's mass.
Temperature
About 898 °C (1,648 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 3.3 Earth days.

Planet

Radius
13.34 × Earth
Mass
232 × Earth
Density
0.53 g/cm³
Equilibrium temperature
1,171 K
Starlight received
Unknown
Orbital period
3.259 days
Average distance from its star
0.04217 AU

Star

Host star
K2-29
Spectral class
G — sun-like
Surface temperature
5,358 K
Radius
0.86 × Sun
Mass
0.94 × Sun
Age
2.6 billion years

System

Distance from Earth
582.1 light-years (178.5 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2016
Method
Transit
Facility
K2

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