Exoplanet
HD 21749 c
53.23 light-years
- Discovery
- Transit · 2019
- Radius
- 0.892 (+0.064 / −0.058) Earth radii
- Mass
- < 3.7 Earth masses
- Orbital period
- 7.7899 (+5.1 × 10⁻⁴ / −4.4 × 10⁻⁴) days
- Semi-major axis
- 0.0695 (+2.1 × 10⁻³ / −2.3 × 10⁻³) AU
- Equilibrium temperature
- 701 (+25 / −23) 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