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HD 4203 c
Orbiting HD 4203
HD 4203 c is an exoplanet orbiting the star HD 4203, discovered in 2014 using the Radial Velocity method.
Minimum Mass (M sin i)
689.66
Earth masses
Orbital Period
6700.0
days
Distance
81.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
689.66
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Kane et al. 2014
Orbital Period
6700.000+4500.000−4500.000days
Semi-Major Axis
6.9500+1.9300−0.5600au
M sin(i) (Earth masses)
689.66+165.26−165.26
M sin(i) (Jupiter masses)
2.1700+0.5200−0.5200
Eccentricity
0.2400+0.1300−0.1300
Epoch of Periastron
2456000.00+9600.00−9600.00days
Argument of Periastron
224.0+48.8−48.8deg
Radial Velocity Semi-Amplitude
22.20+3.71−3.71m/s
Distance from Earth
81.4 pc (~265 ly)
Spectral Type
Unknown
Temperature
5582 K
Mass (Solar)
0.99 M☉
Radius (Solar)
1.50 R☉
Luminosity
0.29 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
11.1722°, 20.4484°
Discovery Method
Radial Velocity
Discovery Year
2014
Source ID: HD 4203 c
HD 4203 c orbits HD 4203 and was reported in 2014 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 689.66 Earth masses (M sin i) and an orbital period of 6,700 days.
Catalog data places the system at about 81.4 parsecs from Earth and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 4203More planets in this system