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Kepler-444 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-444 d

Confirmed exoplanet · Terrestrial

Kepler-444 d

Orbiting Kepler-444

Discovered in 2015 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of Kepler-444 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 0.53 R⊕
Mass: 0.2 M⊕
Orbit: 6.189392 days
Distance: 36.4396 pc

Planet profile

Orbit and physical properties

Orbital period: 6.189392 days
Semi-major axis: 0.06 AU
Eccentricity: 0.18
Radius: 0.53 Earth radii
Mass: 0.2 Earth masses
Mass provenance: Mass
Density: 7.9 g/cm³
Equilibrium temperature: 783 K
Insolation: 109.638 Earth flux

Host system

Star and system properties

Host star: Kepler-444
Stars in system: 3
Known planets in system: 5
Spectral type: K
Stellar temperature: 5,046 K
Stellar radius: 0.752 R☉
Stellar mass: 0.758 M☉
Stellar metallicity: -0.55 dex
Stellar age: 11.23 Gyr
Distance: 36.4396 parsecs
Right ascension: 19h19m00.68s
Declination: +41d37m54.78s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-02
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from Kepler-444 d.

Generic terrestrial catalog artwork; not a direct image of Kepler-444 d — Apex Andromeda catalog artwork