HD 171028 b
A confirmed exoplanet orbiting HD 171028.
Compared with Earth
- Mass
- About 833 times Earth's mass.
- Year
- A year here lasts about 1.5 Earth years.
Planet
- Radius
- Unknown
- Mass
- 832.7 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 550 days
- Average distance from its star
- 1.32 AU
Star
- Host star
- HD 171028
- Spectral class
- G — sun-like
- Surface temperature
- 5,671 K
- Radius
- 2.47 × Sun
- Mass
- 1.53 × Sun
- Age
- Unknown
System
- Distance from Earth
- 364.2 light-years (111.7 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2007
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.