Exoplanet CatalogExoplanet TOI-663 b
Radius2.27 R⊕Earth = 1
Mass4.4 M⊕Earth = 1
Orbital period2.60 d
Equilibrium temp.674 K≈ 401 °C
Distance209.5 ly
Discovered2024Transit
Size compared (radius, Earth = 1)
1.00
2.27
3.88
11.21
Where it sits among all planets (percentile)
35%
26%
11%
42%
19%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of TOI-663 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| TOI-663 b | 2.60 | 2.27 | 4.4 | 674 | 2024 |
| TOI-663 c | 4.70 | 2.26 | 3.6 | 553 | 2024 |
| TOI-663 d | 7.10 | 1.92 | 5.2 | 482 | 2024 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| TOI-663 | M1 V | 3,681 | 0.51 | 0.51 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.