K2-329 b
Orbiting K2-329
K2-329 b is an exoplanet orbiting the star K2-329, discovered in 2020 using the Transit method. It is a Neptune-sized world.
Radius
8.68
Earth radii
Mass
82.64
Earth masses
Orbital Period
12.5
days
Distance
233.2
parsecs
Equilibrium Temp
650
K
Radius (Earth radii)
8.68
Mass (Earth masses)
82.64
Measured
Equilibrium Temperature
650 K
Parameter source: Sha et al. 2021
Orbital Period
12.455+0.000−0.000days
Semi-Major Axis
0.1016+0.0018−0.0019au
Planet Mass (Earth masses)
82.64+6.36−6.99
Planet Mass (Jupiter masses)
0.2600+0.0200−0.0220
Eccentricity
0.0697+0.0410−0.0400
Argument of Periastron
161.0+22.0−30.0deg
Radial Velocity Semi-Amplitude
24.60+1.60−1.80m/s
Distance from Earth
233.2 pc (~761 ly)
Spectral Type
Unknown
Temperature
5282 K
Mass (Solar)
0.90 M☉
Radius (Solar)
0.82 R☉
Luminosity
-0.33 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
351.1354°, -5.1641°
Discovery Method
Transit
Discovery Year
2020
Source ID: K2-329 b
K2-329 b orbits K2-329 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 8.68 Earth radii, a mass of 82.64 Earth masses, an orbital period of 12.46 days, and an equilibrium temperature near 650 K.
Catalog data places the system at about 233.2 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 K2-329