GJ 393 b
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- GJ 393
- Distance from Earth
- 7.0315 pc (≈ 22.9 light-years)
- NASA planet type
- Super Earth
- Radius (Earth = 1)
- 1.17
- Mass (Earth = 1)
- 1.71
- Orbital period
- 7.0268 days
- Semi-major axis
- 0.05402 AU
- Equilibrium temperature
- 485 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,021
- Discovery facility
- Multiple Observatories
- Host spectral type
- M2.0 V
- Host temperature
- 3,579 K
- Host radius (Sun = 1)
- 0.426
- Host mass (Sun = 1)
- 0.426
- Host brightness
- 9.65 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 ↗
In everyday life
- Light from this object takes about 23 years to reach Earth — the light you see tonight left around AD 2003 (official distance ÷ speed of light).
- Its radius is about 1.2 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 7 Earth days — that is this planet's year.
Worked out from this object's official values.