The PSR B1257+12 system (3 planets)
Distance1,956.9 ly
Planets3
Spectral type–
Star Teff– K
Orbital period (days)
25.26
66.54
98.21
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| PSR B1257+12 b | 25.26 | 0.34 | 0.0 | – | 1994 |
| PSR B1257+12 c | 66.54 | 1.91 | 4.3 | – | 1992 |
| PSR B1257+12 d | 98.21 | 1.80 | 3.9 | – | 1992 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.