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COCONUTS-2 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/COCONUTS-2 b

Confirmed exoplanet · Gas Giant

COCONUTS-2 b

Orbiting COCONUTS-2 A

Discovered in 2021 using Imaging. 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 COCONUTS-2 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Imaging
Radius: 12.576476 R⊕
Mass: 2,383.713053 M⊕
Orbit: 402,000,000 days
Distance: 10.8864 pc

Planet profile

Orbit and physical properties

Orbital period: 402,000,000 days
Semi-major axis: 7,506 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 12.576476 Earth radii
Mass: 2,383.713053 Earth masses
Mass provenance: Mass
Density: 6.58 g/cm³
Equilibrium temperature: 493 K
Insolation: 0 Earth flux

Host system

Star and system properties

Host star: COCONUTS-2 A
Stars in system: 1
Known planets in system: 1
Spectral type: M3 V
Stellar temperature: 3,552 K
Stellar radius: 0.366 R☉
Stellar mass: 0.4 M☉
Stellar metallicity: 0 dex
Stellar age: 0.414 Gyr
Distance: 10.8864 parsecs
Right ascension: 07h49m12.22s
Declination: -76d42m09.71s

Discovery

Detection and provenance

Discovery method: Imaging
Discovery year: 2,021
Publication date: 2021-08
Discovery locale: Ground
Facility: NASA Infrared Telescope Facility (IRTF)
Telescope: 3.2 m telescope
Instrument: SpeX
NASA Exoplanet Archive: Open composite record ↗

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