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The PSR B1257+12 system (3 planets)

Distance1,956.9 ly
Planets3
Spectral type–
Star Teff– K

Orbital period (days)

PlanetPeriod (d)Radius (R⊕)Mass (M⊕)Eq. temp KYear
PSR B1257+12 b25.260.340.0–1994
PSR B1257+12 c66.541.914.3–1992
PSR B1257+12 d98.211.803.9–1992

Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.