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K2-229 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-229 b

Confirmed exoplanet · Terrestrial

K2-229 b

Orbiting K2-229

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 K2-229 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 1 R⊕
Mass: 2.55 M⊕
Orbit: 0.584216 days
Distance: 102.564 pc

Planet profile

Orbit and physical properties

Orbital period: 0.584216 days
Semi-major axis: 0.0131 AU
Eccentricity: 0
Radius: 1 Earth radii
Mass: 2.55 Earth masses
Mass provenance: Mass
Density: 7.6 g/cm³
Equilibrium temperature: 1,818 K
Insolation: 2,290 Earth flux

Host system

Star and system properties

Host star: K2-229
Stars in system: 1
Known planets in system: 2
Spectral type: G9
Stellar temperature: 5,315 K
Stellar radius: 0.79 R☉
Stellar mass: 0.87 M☉
Stellar metallicity: -0.09 dex
Stellar age: 5.4 Gyr
Distance: 102.564 parsecs
Right ascension: 12h27m29.50s
Declination: -06d43m18.65s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,018
Publication date: 2018-03
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from K2-229 b.

Generic terrestrial catalog artwork; not a direct image of K2-229 b — Apex Andromeda catalog artwork