Exoplanet WISPIT 2 b
Radius17.93 R⊕Earth = 1
Mass1,541.5 M⊕Earth = 1
Orbital period–
Equilibrium temp.33 K≈ -240 °C
Distance440.0 ly
Discovered2025Imaging
Size compared (radius, Earth = 1)
1.00
3.88
11.21
17.93
Where it sits among all planets (percentile)
99%
92%
0%
30%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of WISPIT 2 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| WISPIT 2 b | – | 17.93 | 1,541.5 | 33 | 2025 |
| WISPIT 2 c | – | 17.93 | 3,178.3 | 2,050 | 2026 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| WISPIT 2 | – | 4,400 | 1.42 | 1.08 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.