HD 210277 b
Orbiting HD 210277
HD 210277 b is an exoplanet orbiting the star HD 210277, discovered in 1998 using the Radial Velocity method.
Minimum Mass (M sin i)
410.00
Earth masses
Orbital Period
442.2
days
Distance
21.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
410.00
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
442.190+0.500−0.500days
Semi-Major Axis
1.1300+0.0200−0.0200au
M sin(i) (Earth masses)
410.00+15.89−15.89
M sin(i) (Jupiter masses)
1.2900+0.0500−0.0500
Eccentricity
0.4800+0.0200−0.0200
Radial Velocity Semi-Amplitude
38.90+0.80−0.80m/s
Distance from Earth
21.3 pc (~69 ly)
Spectral Type
Unknown
Temperature
5538 K
Mass (Solar)
1.01 M☉
Radius (Solar)
1.07 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
332.3748°, -7.5506°
Discovery Method
Radial Velocity
Discovery Year
1998
Source ID: HD 210277 b
HD 210277 b orbits HD 210277 and was reported in 1998 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 410 Earth masses (M sin i) and an orbital period of 442.19 days.
Catalog data places the system at about 21.3 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 HD 210277