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K2-291 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-291 b

Confirmed exoplanet · Super Earth

K2-291 b

Orbiting K2-291

Discovered in 2019 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 K2-291 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 1.589 R⊕
Mass: 6.49 M⊕
Orbit: 2.225177 days
Distance: 90.0562 pc

Planet profile

Orbit and physical properties

Orbital period: 2.225177 days
Semi-major axis: 0.03261 AU
Eccentricity: 0
Radius: 1.589 Earth radii
Mass: 6.49 Earth masses
Mass provenance: Mass
Density: 8.84 g/cm³
Equilibrium temperature: 1,278 K
Insolation: 633 Earth flux

Host system

Star and system properties

Host star: K2-291
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,520 K
Stellar radius: 0.899 R☉
Stellar mass: 0.934 M☉
Stellar metallicity: 0.08 dex
Stellar age: 3.72 Gyr
Distance: 90.0562 parsecs
Right ascension: 05h05m47.03s
Declination: +21d32m53.52s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-03
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 K2-291 b.

Generic super earth catalog artwork; not a direct image of K2-291 b — Apex Andromeda catalog artwork