Barnard c
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- Barnard's star
- Distance from Earth
- 1.8266 pc (≈ 6 light-years)
- NASA planet type
- Terrestrial
- Radius (Earth = 1)
- 0.743
- Mass (Earth = 1)
- 0.335
- Orbital period
- 4.1244 days
- Semi-major axis
- 0.0274 AU
- Eccentricity
- 0.08
- Equilibrium temperature
- 400 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,025
- Discovery facility
- Gemini Observatory
- Host spectral type
- M3.5-4 V
- Host temperature
- 3,195 K
- Host radius (Sun = 1)
- 0.185
- Host mass (Sun = 1)
- 0.162
- Host brightness
- 9.54 mag
Source:NASA Exoplanet Archive (Caltech/IPAC) · checked 2026-11-02 ↗NASA Science · checked 2026-11-02 ↗NASA Exoplanet Archive (Caltech/IPAC) · checked 2026-11-02 ↗
Related
Host star
In everyday life
- Light from this object takes about 6 years to reach Earth — the light you see tonight left around AD 2020 (official distance ÷ speed of light).
- Its radius is about 0.7 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 4.1 Earth days — that is this planet's year.
Worked out from this object's official values.