Exoplanet NN Ser d
Radius13.30 R⊕Earth = 1
Mass724.6 M⊕Earth = 1
Orbital period2,880.00 d
Equilibrium temp.–
Distance1,682.4 ly
Discovered2010Eclipse Timing Variations
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.30
Where it sits among all planets (percentile)
86%
87%
97%
60%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of NN Ser (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| NN Ser d | 2,880.00 | 13.30 | 724.6 | – | 2010 |
| NN Ser c | 6,987.00 | 12.60 | 2,329.6 | – | 2010 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| NN Ser | WD | 57,000 | – | 0.54 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.