GJ 328 b
A confirmed exoplanet orbiting GJ 328.
Compared with Earth
- Mass
- About 798 times Earth's mass.
- Year
- A year here lasts about 10 Earth years.
Planet
- Radius
- Unknown
- Mass
- 797.7 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 3,771 days
- Average distance from its star
- 4.11 AU
Star
- Host star
- GJ 328
- Spectral class
- M — red dwarf
- Surface temperature
- 3,897 K
- Radius
- 0.63 × Sun
- Mass
- 0.65 × Sun
- Age
- Unknown
System
- Distance from Earth
- 66.95 light-years (20.53 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2013
- Method
- Radial Velocity
- Facility
- McDonald Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.