Exoplanet Catalog
PSR B1257+12 d
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.
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PLANET TYPE
Super Earth
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DISCOVERY DATE
1992
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MASS
3.9 Earths
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PLANET RADIUS
1.8 x Earth
(estimate) |
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ORBITAL RADIUS
0.46 AU
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ORBITAL PERIOD
98.2 days
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ECCENTRICITY
0.03
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DETECTION METHOD
Pulsar Timing
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