HD 106315 c

A confirmed exoplanet orbiting HD 106315.

Compared with Earth

Size
About 4.4 times Earth's width.
Mass
About 15 times Earth's mass.
Temperature
About 613 °C (1,135 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 21 Earth days.

Planet

Radius
4.35 × Earth
Mass
15.2 × Earth
Density
1.01 g/cm³
Equilibrium temperature
886 K
Starlight received
Unknown
Orbital period
21.06 days
Average distance from its star
0.1536 AU

Star

Host star
HD 106315
Spectral class
F — yellow-white
Surface temperature
6,327 K
Radius
1.296 × Sun
Mass
1.091 × Sun
Age
4.48 billion years

System

Distance from Earth
356.7 light-years (109.4 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2017
Method
Transit
Facility
K2

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