NGTS-39 b

A confirmed exoplanet orbiting NGTS-39.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 466 times Earth's mass.
Temperature
About 246 °C (475 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 58 Earth days.

Planet

Radius
12.2 × Earth
Mass
466.3 × Earth
Density
1.411 g/cm³
Equilibrium temperature
519 K
Starlight received
Unknown
Orbital period
58.2 days
Average distance from its star
0.3077 AU

Star

Host star
NGTS-39
Spectral class
F — yellow-white
Surface temperature
6,053 K
Radius
1.16 × Sun
Mass
1.16 × Sun
Age
2.2 billion years

System

Distance from Earth
908 light-years (278.4 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2026
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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