GJ 887 b
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- GJ 887
- Distance from Earth
- 3.2868 pc (≈ 10.7 light-years)
- NASA planet type
- Super Earth
- Radius (Earth = 1)
- 1.8
- Mass (Earth = 1)
- 3.9
- Orbital period
- 9.2619 days
- Semi-major axis
- 0.0683 AU
- Eccentricity
- 0.14
- Equilibrium temperature
- 426 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,020
- Discovery facility
- La Silla Observatory
- Host spectral type
- M1 V
- Host temperature
- 3,688 K
- Host radius (Sun = 1)
- 0.468
- Host mass (Sun = 1)
- 0.495
- Host brightness
- 7.56 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 11 years to reach Earth — the light you see tonight left around AD 2015 (official distance ÷ speed of light).
- Its radius is about 1.8 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 9.3 Earth days — that is this planet's year.
Worked out from this object's official values.