K2-98 b
Orbiting K2-98
K2-98 b is an exoplanet orbiting the star K2-98, discovered in 2016 using the Transit method. It is a Neptune-sized world.
Radius
5.07
Earth radii
Mass
34.01
Earth masses
Orbital Period
10.1
days
Distance
518.6
parsecs
Equilibrium Temp
1185
K
Radius (Earth radii)
5.07
Mass (Earth masses)
34.01
Measured
Equilibrium Temperature
1185 K
Parameter source: Thygesen et al. 2023
Orbital Period
10.137+0.000−0.000days
Semi-Major Axis
0.0986+0.0020−0.0029au
Planet Mass (Earth masses)
34.01+13.98−14.62
Planet Mass (Jupiter masses)
0.1070+0.0440−0.0460
Eccentricity
0.1190+0.1500−0.0830
Argument of Periastron
14.0+110.0−98.0deg
Radial Velocity Semi-Amplitude
8.80+3.50−3.80m/s
Distance from Earth
518.6 pc (~1692 ly)
Spectral Type
Unknown
Temperature
6260 K
Mass (Solar)
1.25 M☉
Radius (Solar)
1.52 R☉
Luminosity
0.50 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
126.4882°, 11.5111°
Discovery Method
Transit
Discovery Year
2016
Source ID: K2-98 b
K2-98 b orbits K2-98 and was reported in 2016 and was detected with the Transit method.
Published measurements list a radius of 5.07 Earth radii, a mass of 34.01 Earth masses, an orbital period of 10.14 days, and an equilibrium temperature near 1,185 K.
Catalog data places the system at about 518.6 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 K2-98