Exoplanet GJ 357 b
Radius1.20 R⊕Earth = 1
Mass1.8 M⊕Earth = 1
Orbital period3.93 d
Equilibrium temp.518 K≈ 245 °C
Distance30.8 ly
Discovered2019Transit
Size compared (radius, Earth = 1)
1.00
1.20
3.88
11.21
Where it sits among all planets (percentile)
8%
7%
22%
28%
2%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of GJ 357 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| GJ 357 b | 3.93 | 1.20 | 1.8 | 518 | 2019 |
| GJ 357 c | 9.12 | 1.66 | 3.4 | 401 | 2019 |
| GJ 357 d | 55.66 | 2.34 | 6.1 | 220 | 2019 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| GJ 357 | M2.5 V | 3,505 | 0.34 | 0.34 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.