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K2-288 B b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-288 B b

Confirmed exoplanet · Super Earth

K2-288 B b

Orbiting K2-288 B

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

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of K2-288 B b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 1.9 R⊕
Mass: 4.27 M⊕
Orbit: 31.393463 days
Distance: 65.6138 pc

Planet profile

Orbit and physical properties

Orbital period: 31.393463 days
Semi-major axis: 0.164 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 1.9 Earth radii
Mass: 4.27 Earth masses
Mass provenance: M-R relationship
Density: 3.42 g/cm³
Equilibrium temperature: 226.36 K
Insolation: 0.4368 Earth flux

Host system

Star and system properties

Host star: K2-288 B
Stars in system: 2
Known planets in system: 1
Spectral type: M3 V
Stellar temperature: 3,341 K
Stellar radius: 0.32 R☉
Stellar mass: 0.33 M☉
Stellar metallicity: -0.21 dex
Stellar age: 1 Gyr
Distance: 65.6138 parsecs
Right ascension: 03h41m46.63s
Declination: +18d16m06.57s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,018
Publication date: 2019-01
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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