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K2-99 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-99 b

Confirmed exoplanet · Gas Giant

K2-99 b

Orbiting K2-99

Discovered in 2016 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of K2-99 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Transit
Radius: 11.88152 R⊕
Mass: 276.510714 M⊕
Orbit: 18.24783 days
Distance: 519.229 pc

Planet profile

Orbit and physical properties

Orbital period: 18.24783 days
Semi-major axis: 0.153 AU
Eccentricity: 0.22
Radius: 11.88152 Earth radii
Mass: 276.510714 Earth masses
Mass provenance: Mass
Density: 0.9 g/cm³
Equilibrium temperature: 1,184 K
Insolation: 357 Earth flux

Host system

Star and system properties

Host star: K2-99
Stars in system: 1
Known planets in system: 2
Spectral type: G0 IV
Stellar temperature: 6,069 K
Stellar radius: 2.55 R☉
Stellar mass: 1.44 M☉
Stellar metallicity: 0.2 dex
Stellar age: 3.7 Gyr
Distance: 519.229 parsecs
Right ascension: 13h55m05.70s
Declination: -05d26m32.98s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,016
Publication date: 2017-01
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 K2-99 b.

Generic gas giant catalog artwork; not a direct image of K2-99 b — Apex Andromeda catalog artwork