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Kepler-221 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-221 d

Confirmed exoplanet · Neptune Like

Kepler-221 d

Orbiting Kepler-221

Discovered in 2014 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of Kepler-221 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 2.73 R⊕
Mass: 3.61 M⊕
Orbit: 10.04156 days
Distance: 385.231 pc

Planet profile

Orbit and physical properties

Orbital period: 10.04156 days
Semi-major axis: 0.087 AU
Eccentricity: 0
Radius: 2.73 Earth radii
Mass: 3.61 Earth masses
Mass provenance: Mass
Density: 0.9 g/cm³
Equilibrium temperature: 712 K
Insolation: 56.293 Earth flux

Host system

Star and system properties

Host star: Kepler-221
Stars in system: 1
Known planets in system: 4
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,243 K
Stellar radius: 0.821 R☉
Stellar mass: 0.854 M☉
Stellar metallicity: 0.0616 dex
Stellar age: 1.78 Gyr
Distance: 385.231 parsecs
Right ascension: 19h46m37.14s
Declination: +46d50m06.81s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,014
Publication date: 2014-03
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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