NGTS-18 b

A confirmed exoplanet orbiting NGTS-18.

Compared with Earth

Size
About 14 times Earth's width.
Mass
About 130 times Earth's mass.
Temperature
About 1,108 °C (2,026 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 845 times the starlight Earth gets from the Sun.
Year
A year here lasts about 3.1 Earth days.

Planet

Radius
13.56 × Earth
Mass
130 × Earth
Density
0.28 g/cm³
Equilibrium temperature
1,381 K
Starlight received
845 × Earth
Orbital period
3.051 days
Average distance from its star
0.0448 AU

Star

Host star
NGTS-18
Spectral class
G — sun-like
Surface temperature
5,610 K
Radius
1.392 × Sun
Mass
1.003 × Sun
Age
10.84 billion years

System

Distance from Earth
3,575 light-years (1,096 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2021
Method
Transit
Facility
Next-Generation Transit Survey (NGTS)

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