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NN Ser c
Orbiting NN Ser, discovered in 2010 (7515) by Multiple Observatories via the Eclipse Timing Variations method.
Planet
| Radius | Unknown |
| Mass | 3086.11 M⊕ |
| Orbital period | 6987.00 Earth days (~19.1 Earth years) |
| Orbital eccentricity | 0.089 |
| Equilibrium temperature | Unknown |
Host star — NN Ser
| Temperature | Unknown |
| Radius | Unknown |
| Mass | 0.54 M☉ |
Location
| Distance from Earth | 515.8 pc (~1682 light-years) |
| Right ascension / Declination | 238.2337 / 12.9121 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.