Exoplanet
51 Peg b
Orbiting 51 Peg
Overview
51 Peg b is an exoplanet orbiting the star 51 Peg, discovered in 1995 using the Radial Velocity method.
Key Measurements
Orbital Period
4.2
days
0.1d10,000d
Distance
15.5
parsecs
Nearby10,000 pc
Radius (Earth radii)
Unknown
Mass (Earth masses)
Unknown
Equilibrium Temperature
Unknown
Orbital Period
4.23 days
Distance from Earth
15.5 pc (~50 ly)
Spectral Type
Unknown
Temperature
5758 K
Mass (Solar)
1.03 M☉
Radius (Solar)
1.18 R☉
Luminosity
0.14 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
344.3675°, 20.7691°
Discovery Method
Radial Velocity
Discovery Year
1995
Data Sources
Source ID: 51 Peg b