TOI-3819 b

A confirmed exoplanet orbiting TOI-3819.

Compared with Earth

Size
About 13 times Earth's width.
Mass
About 353 times Earth's mass.
Temperature
About 1,360 °C (2,480 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 1,186 times the starlight Earth gets from the Sun.
Year
A year here lasts about 3.2 Earth days.

Planet

Radius
13.14 × Earth
Mass
352.8 × Earth
Density
0.85 g/cm³
Equilibrium temperature
1,633 K
Starlight received
1,186 × Earth
Orbital period
3.244 days
Average distance from its star
0.04611 AU

Star

Host star
TOI-3819
Spectral class
G — sun-like
Surface temperature
5,859 K
Radius
1.538 × Sun
Mass
1.242 × Sun
Age
4.5 billion years

System

Distance from Earth
1,820 light-years (558.1 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2023
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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