Exoplanet CatalogExoplanet HD 21520 b
Radius2.70 R⊕Earth = 1
Mass17.7 M⊕Earth = 1
Orbital period25.13 d
Equilibrium temp.637 K≈ 364 °C
Distance258.3 ly
Discovered2024Transit
Size compared (radius, Earth = 1)
1.00
2.70
3.88
11.21
Where it sits among all planets (percentile)
47%
61%
69%
39%
22%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 21520 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 21520 b | 25.13 | 2.70 | 17.7 | 637 | 2024 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 21520 | – | 5,871 | 1.04 | 1.09 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.