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K2-284 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-284 b

Confirmed exoplanet · Neptune Like

K2-284 b

Orbiting K2-284

Discovered in 2018 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 K2-284 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 2.78 R⊕
Mass: 8.15 M⊕
Orbit: 4.795069 days
Distance: 107.272 pc

Planet profile

Orbit and physical properties

Orbital period: 4.795069 days
Semi-major axis: 0.04771 AU
Eccentricity: 0.078
Radius: 2.78 Earth radii
Mass: 8.15 Earth masses
Mass provenance: M-R relationship
Density: 2.08 g/cm³
Equilibrium temperature: 653 K
Insolation: 42.6 Earth flux

Host system

Star and system properties

Host star: K2-284
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,140 K
Stellar radius: 0.607 R☉
Stellar mass: 0.63 M☉
Stellar metallicity: 0 dex
Stellar age: 0.12 Gyr
Distance: 107.272 parsecs
Right ascension: 05h16m33.79s
Declination: +20d15m17.65s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,018
Publication date: 2018-12
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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