Kepler-440 b

A confirmed exoplanet orbiting Kepler-440.

Compared with Earth

Size
About 1.9 times Earth's width.
Starlight
About 1.2 times the starlight Earth gets from the Sun.
Year
A year here lasts about 101 Earth days.

Planet

Radius
1.86 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
1.2 × Earth
Orbital period
101.1 days
Average distance from its star
0.242 AU

Star

Host star
Kepler-440
Spectral class
K — orange dwarf
Surface temperature
4,134 K
Radius
0.559 × Sun
Mass
0.575 × Sun
Age
1.3 billion years

System

Distance from Earth
981.8 light-years (301 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2015
Method
Transit
Facility
Kepler

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