HD 121504 b
A confirmed exoplanet orbiting HD 121504.
Compared with Earth
- Mass
- About 480 times Earth's mass.
- Year
- A year here lasts about 63 Earth days.
Planet
- Radius
- Unknown
- Mass
- 479.9 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 63.33 days
- Average distance from its star
- 0.33 AU
Star
- Host star
- HD 121504
- Spectral class
- F — yellow-white
- Surface temperature
- 6,027 K
- Radius
- 1.07 × Sun
- Mass
- 1.62 × Sun
- Age
- Unknown
System
- Distance from Earth
- 135.9 light-years (41.66 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2003
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.