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K2-81 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-81 b

Confirmed exoplanet · Super Earth

K2-81 b

Orbiting K2-81

Discovered in 2016 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 K2-81 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Transit
Radius: 1.97 R⊕
Mass: 4.54 M⊕
Orbit: 6.102325 days
Distance: 252.318 pc

Planet profile

Orbit and physical properties

Orbital period: 6.102325 days
Semi-major axis: 0.059 AU
Eccentricity: 0.06
Radius: 1.97 Earth radii
Mass: 4.54 Earth masses
Mass provenance: M-R relationship
Density: 3.26 g/cm³
Equilibrium temperature: 739.23 K
Insolation: 62.9 Earth flux

Host system

Star and system properties

Host star: K2-81
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,674.13 K
Stellar radius: 0.634663 R☉
Stellar mass: 0.745273 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 252.318 parsecs
Right ascension: 03h49m56.51s
Declination: +14d30m07.40s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,016
Publication date: 2016-09
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 K2-81 b.

Generic super earth catalog artwork; not a direct image of K2-81 b — Apex Andromeda catalog artwork