DS Tuc A b

A confirmed exoplanet orbiting DS Tuc A.

Compared with Earth

Size
About 5.7 times Earth's width.
Temperature
About 577 °C (1,070 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 8.1 Earth days.

Planet

Radius
5.7 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
850 K
Starlight received
Unknown
Orbital period
8.138 days
Average distance from its star
Unknown

Star

Host star
DS Tuc A
Spectral class
G — sun-like
Surface temperature
5,428 K
Radius
0.964 × Sun
Mass
1.01 × Sun
Age
0.045 billion years

System

Distance from Earth
143.7 light-years (44.06 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2019
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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