tau Gem b
A confirmed exoplanet orbiting tau Gem.
Compared with Earth
- Mass
- About 6,547 times Earth's mass.
- Year
- A year here lasts about 306 Earth days.
Planet
- Radius
- Unknown
- Mass
- 6,547 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 305.5 days
- Average distance from its star
- 1.17 AU
Star
- Host star
- tau Gem
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,388 K
- Radius
- 26.8 × Sun
- Mass
- 2.3 × Sun
- Age
- 1.22 billion years
System
- Distance from Earth
- 367 light-years (112.5 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2013
- Method
- Radial Velocity
- Facility
- Lick Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.