artist rendition
Artist's concept

PSR B1257+12 b is a terrestrial exoplanet that orbits an unknown-type star. Its mass is Unknown, it takes 25.3 days to complete one orbit of its star, and is 0.19 AU from its star. Its discovery was announced in 1994.

PLANET TYPE
Terrestrial
DISCOVERY DATE
1994
MASS
Unknown
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.19 AU
ORBITAL PERIOD
25.3 days
ECCENTRICITY
0.0
DETECTION METHOD
Pulsar Timing