Exoplanet CatalogExoplanet AU Mic b
Radius4.79 R⊕Earth = 1
Mass9.0 M⊕Earth = 1
Orbital period8.46 d
Equilibrium temp.555 K≈ 282 °C
Distance31.7 ly
Discovered2020Transit
Size compared (radius, Earth = 1)
1.00
3.88
4.79
11.21
Where it sits among all planets (percentile)
64%
49%
44%
32%
2%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of AU Mic (4)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| AU Mic b | 8.46 | 4.79 | 9.0 | 555 | 2020 |
| AU Mic d | 12.74 | 1.02 | 1.1 | – | 2023 |
| AU Mic c | 18.86 | 2.79 | 14.5 | 425 | 2021 |
| AU Mic e | 33.11 | 4.87 | 21.1 | – | 2025 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| AU Mic | M1 V | 3,540 | 0.86 | 0.64 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.