HD 220773 b
A confirmed exoplanet orbiting HD 220773.
Compared with Earth
- Mass
- About 461 times Earth's mass.
- Year
- A year here lasts about 10 Earth years.
Planet
- Radius
- Unknown
- Mass
- 460.8 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 3,725 days
- Average distance from its star
- 4.94 AU
Star
- Host star
- HD 220773
- Spectral class
- G — sun-like
- Surface temperature
- 5,940 K
- Radius
- Unknown
- Mass
- 1.16 × Sun
- Age
- 4.4 billion years
System
- Distance from Earth
- 164.7 light-years (50.51 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2011
- Method
- Radial Velocity
- Facility
- McDonald Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.