Exoplanet
NN Ser c
1,682.37 light-years
The archive flags this planet’s confirmation as questioned in the literature.
- Discovery
- Eclipse Timing Variations · 2010
- Radius
- 12.6 Earth radii
- Mass
- 2,329.6 (+98.52 / −98.52) Earth masses
- Orbital period
- 6,987 (+20 / −20) days
- Semi-major axis
- 5.35 (+0.06 / −0.06) AU
- Equilibrium temperature
- Unknown
- 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