16 Cyg B b
A confirmed exoplanet orbiting 16 Cyg B.
Compared with Earth
- Mass
- About 566 times Earth's mass.
- Year
- A year here lasts about 2.2 Earth years.
Planet
- Radius
- Unknown
- Mass
- 565.7 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 798.5 days
- Average distance from its star
- 1.66 AU
Star
- Host star
- 16 Cyg B
- Spectral class
- G — sun-like
- Surface temperature
- 5,750 K
- Radius
- 1.13 × Sun
- Mass
- 1.08 × Sun
- Age
- Unknown
System
- Distance from Earth
- 68.95 light-years (21.14 parsecs)
- Stars in system
- 3
- Known planets
- 1
Discovery
- Year
- 1996
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.