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PSR B1257+12 b

Orbiting PSR B1257+12, discovered in 1994 (7499) by Arecibo Observatory via the Pulsar Timing method.

Planet

RadiusUnknown
Mass0.02 M⊕
Orbital period25.26 Earth days (~0.1 Earth years)
Orbital eccentricity0.000
Equilibrium temperatureUnknown

Host star — PSR B1257+12

TemperatureUnknown
RadiusUnknown
Mass1.40 M☉

Location

Distance from Earth600.0 pc (~1957 light-years)
Right ascension / Declination195.0149 / 12.6824

Last refreshed 2026-09-14 from NASA's Exoplanet Archive.