NGTS-4 b

A confirmed exoplanet orbiting NGTS-4.

Compared with Earth

Size
About 3.2 times Earth's width.
Mass
About 21 times Earth's mass.
Temperature
About 1,377 °C (2,510 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 1.3 Earth days.

Planet

Radius
3.18 × Earth
Mass
20.6 × Earth
Density
3.45 g/cm³
Equilibrium temperature
1,650 K
Starlight received
Unknown
Orbital period
1.337 days
Average distance from its star
0.019 AU

Star

Host star
NGTS-4
Spectral class
K — orange dwarf
Surface temperature
5,143 K
Radius
0.84 × Sun
Mass
0.75 × Sun
Age
Unknown

System

Distance from Earth
915 light-years (280.6 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2019
Method
Transit
Facility
Next-Generation Transit Survey (NGTS)

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