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K2-203 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-203 b

Confirmed exoplanet · Terrestrial

K2-203 b

Orbiting K2-203

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 K2-203 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 1.265494 R⊕
Mass: 2.14 M⊕
Orbit: 9.6952 days
Distance: 166.147 pc

Planet profile

Orbit and physical properties

Orbital period: 9.6952 days
Semi-major axis: 0.0824 AU
Eccentricity: 0.23
Radius: 1.265494 Earth radii
Mass: 2.14 Earth masses
Mass provenance: M-R relationship
Density: 5.8 g/cm³
Equilibrium temperature: 738.4 K
Insolation: 49.6336 Earth flux

Host system

Star and system properties

Host star: K2-203
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,026 K
Stellar radius: 0.765 R☉
Stellar mass: 0.793 M☉
Stellar metallicity: -0.021 dex
Stellar age: 6.9 Gyr
Distance: 166.147 parsecs
Right ascension: 00h51m05.69s
Declination: -01d11m45.18s

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 K2-203 b.

Generic terrestrial catalog artwork; not a direct image of K2-203 b — Apex Andromeda catalog artwork