Exoplanet CatalogExoplanet SPECULOOS-3 b
Radius0.98 R⊕Earth = 1
Mass0.9 M⊕Earth = 1
Orbital period0.72 d
Equilibrium temp.553 K≈ 280 °C
Distance–
Discovered2024Transit
Size compared (radius, Earth = 1)
0.98
1.00
3.88
11.21
Where it sits among all planets (percentile)
3%
3%
1%
32%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of SPECULOOS-3 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| SPECULOOS-3 b | 0.72 | 0.98 | 0.9 | 553 | 2024 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| SPECULOOS-3 | M6.5+/-0.5 | 2,800 | 0.12 | 0.10 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.