K2-291 b
Orbiting K2-291
K2-291 b is an exoplanet orbiting the star K2-291, discovered in 2019 using the Transit method. It is a Super-Earth world.
Radius
1.59
Earth radii
Mass
6.49
Earth masses
Orbital Period
2.2
days
Distance
90.1
parsecs
Radius (Earth radii)
1.59
Mass (Earth masses)
6.49
Measured
Equilibrium Temperature
Unknown
Parameter source: Kosiarek et al. 2019
Orbital Period
2.225+0.000−0.000days
Semi-Major Axis
0.0326+0.0004−0.0004au
Planet Mass (Earth masses)
6.49+1.16−1.16
Planet Mass (Jupiter masses)
0.0204+0.0036−0.0036
Eccentricity
0.0000
Argument of Periastron
0.0deg
Radial Velocity Semi-Amplitude
3.33+0.59−0.59m/s
Distance from Earth
90.1 pc (~294 ly)
Spectral Type
Unknown
Temperature
5520 K
Mass (Solar)
0.93 M☉
Radius (Solar)
0.90 R☉
Luminosity
-0.17 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
76.4459°, 21.5482°
Discovery Method
Transit
Discovery Year
2019
Source ID: K2-291 b
K2-291 b orbits K2-291 and was reported in 2019 and was detected with the Transit method.
Published measurements list a radius of 1.59 Earth radii, a mass of 6.49 Earth masses, and an orbital period of 2.23 days.
Catalog data places the system at about 90.1 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 K2-291