NGTS-8 b

A confirmed exoplanet orbiting NGTS-8.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 296 times Earth's mass.
Temperature
About 1,072 °C (1,961 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 503 times the starlight Earth gets from the Sun.
Year
A year here lasts about 2.5 Earth days.

Planet

Radius
12.22 × Earth
Mass
295.6 × Earth
Density
0.89 g/cm³
Equilibrium temperature
1,345 K
Starlight received
503 × Earth
Orbital period
2.5 days
Average distance from its star
0.035 AU

Star

Host star
NGTS-8
Spectral class
K — orange dwarf
Surface temperature
5,241 K
Radius
0.98 × Sun
Mass
0.89 × Sun
Age
12.48 billion years

System

Distance from Earth
1,399 light-years (429 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.