Skip to content

Missions Planets Black Holes 3D Map Agencies Blog About Sign in

Menu

Missions Planets Black Holes 3D Map Agencies Blog About Sign in

Acquiring mission data

Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

This is an independent informational project and is not affiliated with, endorsed by, or sponsored by NASA, ESA, JAXA, Roscosmos, CNSA, ISRO, CSA, or any other space agency. Agency names, logos, and other marks are used for identification where permitted by their respective usage policies.

A passion project from the team behind Apex Rental Pro.

K2-239 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-239 d

Confirmed exoplanet · Terrestrial

K2-239 d

Orbiting K2-239

Discovered in 2018 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of K2-239 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 1.1 R⊕
Mass: 1.37 M⊕
Orbit: 10.115 days
Distance: 31.0849 pc

Planet profile

Orbit and physical properties

Orbital period: 10.115 days
Semi-major axis: 0.0685 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 1.1 Earth radii
Mass: 1.37 Earth masses
Mass provenance: M-R relationship
Density: 5.66 g/cm³
Equilibrium temperature: 399 K
Insolation: 3.4099 Earth flux

Host system

Star and system properties

Host star: K2-239
Stars in system: 1
Known planets in system: 3
Spectral type: M3.0 V
Stellar temperature: 3,420 K
Stellar radius: 0.36 R☉
Stellar mass: 0.4 M☉
Stellar metallicity: -0.1 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 31.0849 parsecs
Right ascension: 10h42m22.59s
Declination: +04d26m28.95s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,018
Publication date: 2018-10
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Community discussion

Comments 0

No comments yet. The airlock is open.

Sign in or create an account to comment and vote.