HD 63433 d

A confirmed exoplanet orbiting HD 63433.

Compared with Earth

Size
About 1.1 times Earth's width.
Temperature
About 767 °C (1,412 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 4.2 Earth days.

Planet

Radius
1.073 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
1,040 K
Starlight received
Unknown
Orbital period
4.209 days
Average distance from its star
0.0503 AU

Star

Host star
HD 63433
Spectral class
G — sun-like
Surface temperature
5,688 K
Radius
0.912 × Sun
Mass
0.99 × Sun
Age
0.414 billion years

System

Distance from Earth
73.07 light-years (22.4 parsecs)
Stars in system
1
Known planets
3

Discovery

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

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