Wolf 503 b
A confirmed exoplanet orbiting Wolf 503.
Compared with Earth
- Size
- About 2 times Earth's width.
- Mass
- About 6.3 times Earth's mass.
- Temperature
- About 517 °C (962 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 6 Earth days.
Planet
- Radius
- 2.043 × Earth
- Mass
- 6.26 × Earth
- Density
- 2.92 g/cm³
- Equilibrium temperature
- 790 K
- Starlight received
- Unknown
- Orbital period
- 6.001 days
- Average distance from its star
- 0.05706 AU
Star
- Host star
- Wolf 503
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,716 K
- Radius
- 0.689 × Sun
- Mass
- 0.688 × Sun
- Age
- 11 billion years
System
- Distance from Earth
- 145.2 light-years (44.53 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.