HIP 29442 c

A confirmed exoplanet orbiting TOI-469.

Compared with Earth

Size
About 1.6 times Earth's width.
Mass
About 4.5 times Earth's mass.
Temperature
About 850 °C (1,562 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 451 times the starlight Earth gets from the Sun.
Year
A year here lasts about 3.5 Earth days.

Planet

Radius
1.551 × Earth
Mass
4.5 × Earth
Density
Unknown
Equilibrium temperature
1,123 K
Starlight received
451 × Earth
Orbital period
3.538 days
Average distance from its star
0.04518 AU

Star

Host star
TOI-469
Spectral class
K — orange dwarf
Surface temperature
5,289 K
Radius
0.98 × Sun
Mass
0.901 × Sun
Age
11.2 billion years

System

Distance from Earth
222.4 light-years (68.19 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2023
Method
Radial Velocity
Facility
Paranal Observatory

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