Exoplanet
K2-290 b
890.11 light-years
- Discovery
- Transit · 2019
- Radius
- 3.06 (+0.16 / −0.16) Earth radii
- Mass
- < 10.9 Earth masses
- Orbital period
- 9.2117 (+3.3 × 10⁻⁴ / −3.4 × 10⁻⁴) days
- Semi-major axis
- 0.0923 (+6.6 × 10⁻³ / −6.6 × 10⁻³) AU
- Equilibrium temperature
- 1,230 (+38 / −38) 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