K2-287 b
Orbiting K2-287
K2-287 b is an exoplanet orbiting the star K2-287, discovered in 2018 using the Transit method. It is a Neptune-sized world.
Radius
9.49
Earth radii
Mass
100.12
Earth masses
Orbital Period
14.9
days
Distance
158.3
parsecs
Equilibrium Temp
804
K
Radius (Earth radii)
9.49
Mass (Earth masses)
100.12
Measured
Equilibrium Temperature
804 K
Parameter source: Jordán et al. 2019
Orbital Period
14.893+0.000−0.000days
Semi-Major Axis
0.1206+0.0008−0.0008au
Planet Mass (Earth masses)
100.12+8.58−8.58
Planet Mass (Jupiter masses)
0.3150+0.0270−0.0270
Eccentricity
0.4780+0.0250−0.0260
Argument of Periastron
10.1+4.6−4.2deg
Radial Velocity Semi-Amplitude
28.80+2.30−2.20m/s
Distance from Earth
158.3 pc (~516 ly)
Spectral Type
Unknown
Temperature
5695 K
Mass (Solar)
1.06 M☉
Radius (Solar)
1.07 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
233.0743°, -22.3583°
Discovery Method
Transit
Discovery Year
2018
Source ID: K2-287 b
K2-287 b orbits K2-287 and was reported in 2018 and was detected with the Transit method.
Published measurements list a radius of 9.49 Earth radii, a mass of 100.12 Earth masses, an orbital period of 14.89 days, and an equilibrium temperature near 804 K.
Catalog data places the system at about 158.3 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 K2-287