TOI-2578 b

A confirmed exoplanet orbiting TOI-2578.

Compared with Earth

Size
About 20 times Earth's width.
Mass
About 167 times Earth's mass.
Temperature
About 1,505 °C (2,741 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 1,667 times the starlight Earth gets from the Sun.
Year
A year here lasts about 3.5 Earth days.

Planet

Radius
19.66 × Earth
Mass
167.2 × Earth
Density
0.121 g/cm³
Equilibrium temperature
1,778 K
Starlight received
1,667 × Earth
Orbital period
3.458 days
Average distance from its star
0.0495 AU

Star

Host star
TOI-2578
Spectral class
F — yellow-white
Surface temperature
6,333 K
Radius
1.64 × Sun
Mass
1.27 × Sun
Age
5.6 billion years

System

Distance from Earth
931.3 light-years (285.5 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.