Exoplanet
NN Ser d
1,682.37 light-years
The archive flags this planet’s confirmation as questioned in the literature.
- Discovery
- Eclipse Timing Variations · 2010
- Radius
- 13.3 Earth radii
- Mass
- 724.622 (+120.77 / −120.77) Earth masses
- Orbital period
- 2,880 (+51 / −51) days
- Semi-major axis
- 3.39 (+0.1 / −0.1) 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