PSR B1257+12 d is a super Earth exoplanet that orbits an unknown-type star. Its mass is 3.9 Earths, it takes 98.2 days to complete one orbit of its star, and is 0.46 AU from its star. Its discovery was announced in 1992.

PLANET TYPE
Super Earth
DISCOVERY DATE
1992
MASS
3.9 Earths
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.46 AU
ORBITAL PERIOD
98.2 days
ECCENTRICITY
Unknown
DETECTION METHOD
Pulsar Timing