Exoplanet HN Peg b
Radius11.78 R⊕Earth = 1
Mass6,991.6 M⊕Earth = 1
Orbital period–
Equilibrium temp.11 K≈ -262 °C
Distance59.1 ly
Discovered2006Imaging
Size compared (radius, Earth = 1)
1.00
3.88
11.21
11.78
Where it sits among all planets (percentile)
75%
99%
0%
4%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HN Peg (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HN Peg b | – | 11.78 | 6,991.6 | 11 | 2006 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HN Peg | G0 V | 6,186 | 1.01 | 1.08 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.