Exoplanet
Teegarden's Star b
12.49 light-years
- Discovery
- Radial Velocity · 2019
- Radius
- 1.05 Earth radii
- Mass
- 1.16 (+0.12 / −0.11) Earth masses
- Orbital period
- 4.9063 (+4.1 × 10⁻⁴ / −4.1 × 10⁻⁴) days
- Semi-major axis
- 0.0259 (+8 × 10⁻⁴ / −9 × 10⁻⁴) AU
- Equilibrium temperature
- 277 (+5 / −5) 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