HD 73583 c

A confirmed exoplanet orbiting HD 73583.

Compared with Earth

Size
About 2.4 times Earth's width.
Mass
About 9.7 times Earth's mass.
Temperature
About 225 °C (437 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 10 times the starlight Earth gets from the Sun.
Year
A year here lasts about 19 Earth days.

Planet

Radius
2.39 × Earth
Mass
9.7 × Earth
Density
3.88 g/cm³
Equilibrium temperature
498 K
Starlight received
10.2 × Earth
Orbital period
18.88 days
Average distance from its star
0.1242 AU

Star

Host star
HD 73583
Spectral class
K — orange dwarf
Surface temperature
4,511 K
Radius
0.65 × Sun
Mass
0.73 × Sun
Age
0.48 billion years

System

Distance from Earth
103 light-years (31.57 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2022
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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