PSR B1257 12 C

PSR 1257 12 d is an exoplanet, orbiting the pulsar PSR 1257 12 all 98.21 days. Due to its low mass is assumed that it is a terrestrial planet.

Discovery

Unlike the majority of exoplanets it has been discovered using the pulsar timing method. The planet was Aleksander Wolszczan et al. discovered in 1992.

Circulation and mass

The planet orbits its star at a distance of about 0.46 astronomical units at an eccentricity of 2.52 percent and has a mass of about 3.814 Earth masses or 0.01227 Jupiter masses. Its radius is estimated to 9200 km.

Climate and composition

It is estimated that there is on the planet a temperature of 217 ° C. It is believed that the planet from a silicate core.