HIP 57274 d
Orbiting HIP 57274
HIP 57274 d is an exoplanet orbiting the star HIP 57274, discovered in 2011 using the Radial Velocity method.
Minimum Mass (M sin i)
167.40
Earth masses
Orbital Period
431.7
days
Distance
25.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
167.40
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Fischer et al. 2012
Orbital Period
431.700+8.500−8.500days
Semi-Major Axis
1.0100au
M sin(i) (Earth masses)
167.40+8.00−8.00
M sin(i) (Jupiter masses)
0.5267+0.0300−0.0300
Eccentricity
0.2700+0.0500−0.0500
Epoch of Periastron
2455108.12+14.00−14.00days
Argument of Periastron
187.2+5.0−5.0deg
Radial Velocity Semi-Amplitude
18.20+0.50−0.50m/s
Distance from Earth
25.9 pc (~84 ly)
Spectral Type
K4 V
Temperature
4640 K
Mass (Solar)
0.73 M☉
Radius (Solar)
0.68 R☉
Luminosity
0.19 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
176.1705°, 30.9576°
Discovery Method
Radial Velocity
Discovery Year
2011
Source ID: HIP 57274 d
HIP 57274 d orbits HIP 57274 and was reported in 2011 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 167.4 Earth masses (M sin i) and an orbital period of 431.7 days.
Catalog data places the system at about 25.9 parsecs from Earth, a host star classified as K4 V, and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HIP 57274More planets in this system