Exoplanet
GJ 887 b
10.72 light-years
- Discovery
- Radial Velocity · 2020
- Radius
- 1.8 Earth radii
- Mass
- 3.9 (+0.5 / −0.5) Earth masses
- Orbital period
- 9.2619 (+5 × 10⁻⁴ / −5 × 10⁻⁴) days
- Semi-major axis
- 0.0683 (+2.2 × 10⁻³ / −2.4 × 10⁻³) AU
- Equilibrium temperature
- 426 (+16 / −16) K
- Mass provenance
- Msini
Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.
NASA archive record and references ↗
Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00