GJ 504 b
A confirmed exoplanet orbiting GJ 504.
Compared with Earth
- Mass
- About 1,271 times Earth's mass.
- Temperature
- About 237 °C (458 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Planet
- Radius
- Unknown
- Mass
- 1,271 × Earth
- Density
- Unknown
- Equilibrium temperature
- 510 K
- Starlight received
- Unknown
- Orbital period
- Unknown
- Average distance from its star
- 43.5 AU
Star
- Host star
- GJ 504
- Spectral class
- F — yellow-white
- Surface temperature
- 6,234 K
- Radius
- Unknown
- Mass
- 1.22 × Sun
- Age
- 0.16 billion years
System
- Distance from Earth
- 57.17 light-years (17.53 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2013
- Method
- Imaging
- Facility
- Subaru Telescope
Data from the NASA Exoplanet Archive, synced October 14, 2026.