NGTS-1 b

A confirmed exoplanet orbiting NGTS-1.

Compared with Earth

Size
About 15 times Earth's width.
Mass
About 258 times Earth's mass.
Temperature
About 517 °C (962 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 65 times the starlight Earth gets from the Sun.
Year
A year here lasts about 2.6 Earth days.

Planet

Radius
14.91 × Earth
Mass
258.1 × Earth
Density
0.42 g/cm³
Equilibrium temperature
790 K
Starlight received
65.3 × Earth
Orbital period
2.647 days
Average distance from its star
0.0326 AU

Star

Host star
NGTS-1
Spectral class
K — orange dwarf
Surface temperature
3,916 K
Radius
0.573 × Sun
Mass
0.617 × Sun
Age
Unknown

System

Distance from Earth
711.4 light-years (218.1 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2017
Method
Transit
Facility
Next-Generation Transit Survey (NGTS)

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