HN Peg b
A confirmed exoplanet orbiting HN Peg.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 6,992 times Earth's mass.
Planet
- Radius
- 11.78 × Earth
- Mass
- 6,992 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- Unknown
- Average distance from its star
- 773 AU
Star
- Host star
- HN Peg
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- Unknown
- Mass
- Unknown
- Age
- 0.3 billion years
System
- Distance from Earth
- 59.09 light-years (18.12 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2006
- Method
- Imaging
- Facility
- Spitzer Space Telescope
Data from the NASA Exoplanet Archive, synced October 14, 2026.