HD 221416 b

A confirmed exoplanet orbiting HD 221416.

Compared with Earth

Size
About 9.2 times Earth's width.
Mass
About 61 times Earth's mass.
Year
A year here lasts about 14 Earth days.

Planet

Radius
9.17 × Earth
Mass
60.5 × Earth
Density
0.431 g/cm³
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
14.28 days
Average distance from its star
0.1228 AU

Star

Host star
HD 221416
Spectral class
K — orange dwarf
Surface temperature
5,080 K
Radius
2.943 × Sun
Mass
1.212 × Sun
Age
4.9 billion years

System

Distance from Earth
311.6 light-years (95.55 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2019
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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