Exoplanet CatalogExoplanet ROXs 12 b
Radius12.20 R⊕Earth = 1
Mass5,085.0 M⊕Earth = 1
Orbital period–
Equilibrium temp.13 K≈ -260 °C
Distance445.7 ly
Discovered2013Imaging
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.20
Where it sits among all planets (percentile)
77%
98%
0%
31%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of ROXs 12 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| ROXs 12 b | – | 12.20 | 5,085.0 | 13 | 2013 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| ROXs 12 | M0 | 3,850 | 1.07 | 0.87 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.