Exoplanet
GJ 9827 b
96.74 light-years
- Discovery
- Transit · 2017
- Radius
- 1.44 (+0.09 / −0.07) Earth radii
- Mass
- 4.28 (+0.35 / −0.33) Earth masses
- Orbital period
- 1.209 (+1 × 10⁻⁶ / −1 × 10⁻⁶) days
- Semi-major axis
- 0.0189 (+4 × 10⁻⁴ / −4 × 10⁻⁴) AU
- Equilibrium temperature
- 1,035.01 (+29.07 / −29.07) K
- Mass provenance
- Mass
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