TOI-4145 A b

A confirmed exoplanet orbiting TOI-4145 A.

Compared with Earth

Size
About 13 times Earth's width.
Mass
About 137 times Earth's mass.
Temperature
About 801 °C (1,474 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 223 times the starlight Earth gets from the Sun.
Year
A year here lasts about 4.1 Earth days.

Planet

Radius
13.31 × Earth
Mass
136.7 × Earth
Density
0.32 g/cm³
Equilibrium temperature
1,074 K
Starlight received
223 × Earth
Orbital period
4.066 days
Average distance from its star
0.04823 AU

Star

Host star
TOI-4145 A
Spectral class
K — orange dwarf
Surface temperature
5,281 K
Radius
0.859 × Sun
Mass
0.905 × Sun
Age
4.7 billion years

System

Distance from Earth
669.9 light-years (205.4 parsecs)
Stars in system
2
Known planets
1

Discovery

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

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