HD 73583 b
A confirmed exoplanet orbiting HD 73583.
Compared with Earth
- Size
- About 2.8 times Earth's width.
- Mass
- About 10 times Earth's mass.
- Temperature
- About 441 °C (826 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 43 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 6.4 Earth days.
Planet
- Radius
- 2.79 × Earth
- Mass
- 10.2 × Earth
- Density
- 2.58 g/cm³
- Equilibrium temperature
- 714 K
- Starlight received
- 43.3 × Earth
- Orbital period
- 6.398 days
- Average distance from its star
- 0.0604 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.