51 Peg b
Orbiting 51 Peg
51 Peg b is an exoplanet orbiting the star 51 Peg, discovered in 1995 using the Radial Velocity method.
Orbital Period
4.2
days
Distance
15.5
parsecs
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
Source ID: 51 Peg b
51 Peg b orbits 51 Peg and was reported in 1995 and was detected with the Radial Velocity method.
Published measurements list an orbital period of 4.23 days.
Catalog data places the system at about 15.5 parsecs from Earth and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open 51 Peg