K2-417 b

A confirmed exoplanet orbiting K2-417.

Compared with Earth

Size
About 3.3 times Earth's width.
Mass
About 699 times Earth's mass.
Temperature
About 285 °C (545 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 6.5 Earth days.

Planet

Radius
3.31 × Earth
Mass
699.2 × Earth
Density
Unknown
Equilibrium temperature
558 K
Starlight received
Unknown
Orbital period
6.535 days
Average distance from its star
0.063 AU

Star

Host star
K2-417
Spectral class
M — red dwarf
Surface temperature
3,861 K
Radius
0.5776 × Sun
Mass
0.569 × Sun
Age
Unknown

System

Distance from Earth
306.7 light-years (94.04 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2023
Method
Transit
Facility
K2

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