Exoplanet
GJ 143 b
53.23 light-years
- Discovery
- Transit · 2019
- Radius
- 2.61 (+0.17 / −0.16) Earth radii
- Mass
- 22.7 (+2.2 / −1.9) Earth masses
- Orbital period
- 35.6125 (+6 × 10⁻⁴ / −6.2 × 10⁻⁴) days
- Semi-major axis
- 0.1915 (+5.8 × 10⁻³ / −6.3 × 10⁻³) AU
- Equilibrium temperature
- 422 (+15 / −14) 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