Exoplanet
PSR B1257+12 d
Orbiting PSR B1257+12
Overview
PSR B1257+12 d is an exoplanet orbiting the star PSR B1257+12, discovered in 1992 using the Pulsar Timing method.
Key Measurements
Mass
3.90
Earth masses
0500 M⊕
Orbital Period
98.2
days
0.1d10,000d
Distance
600.0
parsecs
Nearby10,000 pc
Radius (Earth radii)
Unknown
Mass (Earth masses)
3.90
Measured
Equilibrium Temperature
Unknown
Orbital Period
98.21 days
Distance from Earth
600.0 pc (~1957 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.40 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
195.0149°, 12.6824°
Discovery Method
Pulsar Timing
Discovery Year
1992
Data Sources
Source ID: PSR B1257+12 d