Exoplanet WISEP J121756.91+162640.2 A b
Radius10.47 R⊕Earth = 1
Mass6,992.0 M⊕Earth = 1
Orbital period–
Equilibrium temp.450 K≈ 177 °C
Distance32.9 ly
Discovered2012Imaging
Size compared (radius, Earth = 1)
1.00
3.88
10.47
11.21
Where it sits among all planets (percentile)
72%
99%
22%
2%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of WISEP J121756.91+162640.2 A (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| WISEP J121756.91+162640.2 A b | – | 10.47 | 6,992.0 | 450 | 2012 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| WISEP J121756.91+162640.2 A | T8.5 | 575 | 0.09 | 0.03 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.