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COCONUTS-2b

COCONUTS-2 b is a gas giant exoplanet that orbits the M-type star L 34-26. With a mass of 7.3 Jupiters, it takes over one million years to complete one orbit around the star orbiting 7,500 AU away from it.

Atmosphere, Proposed formation scenarios & Host star

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Alternative names
WISEPA J075108.79-763449.6
Detection method
Direct imaging
Discovered by
Zhoujian Zhang Michael Liu Zach Claytor William Best Trent Dupuy Robert Siverd
Discovery date
August 2011 (as a free-floating brown dwarf) July 2021 (as a planet)
Mass
7.3±0.3 MJ
Mean radius
1.03+0.01 −0.02 RJ 1.133+0.005 −0.006 RJ 1.160+0.002 −0.003 RJ

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Overview

Proposed formation scenarios

Atmosphere

Host star

Gallery

  • Allwise Wide-field Infrared Survey Explorer

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Map overview Semantic statistics

COCONUTS-2b

Nodes36
Edges35
Triples22
Avg. degree1.94
Density0.055556
Components1

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COCONUTS-2b

Top relations

related to Proposed formation scenarios · 4
COCONUTS-2b → In, Marocco, The, This
related to Atmosphere · 3
COCONUTS-2b → Due, It, The
related to Gallery · 2
COCONUTS-2b → Gemini-SouthAllwise, The COCONUTS-2
Alternative names · 1
COCONUTS-2b → WISEPA J075108.79-763449.6
Detection method · 1
COCONUTS-2b → Direct imaging
Discovered by · 1
COCONUTS-2b → Zhoujian Zhang Michael Liu Zach Claytor William Best Trent Dupuy Robert Siverd
Discovery date · 1
COCONUTS-2b → August 2011 (as a free-floating brown dwarf) July 2021 (as a planet)
Mass · 1
COCONUTS-2b → 7.3±0.3 MJ
Mean radius · 1
COCONUTS-2b → 1.03+0.01 −0.02 RJ 1.133+0.005 −0.006 RJ 1.160+0.002 −0.003 RJ
Orbital period (sidereal) · 1
COCONUTS-2b → 1.1+1.3 −0.4×106 years

Important terminology Word statistics

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Important terminology

star planet 34-26 host atmosphere dwarf years brown also unwise exoplanet due mass t9 au found scenario million 2024 orbits

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
COCONUTS-2bAlternative namesWISEPA J075108.79-763449.61.00infobox
COCONUTS-2bDetection methodDirect imaging1.00infobox
COCONUTS-2bDiscovered byZhoujian Zhang Michael Liu Zach Claytor William Best Trent Dupuy Robert Siverd1.00infobox
COCONUTS-2bDiscovery dateAugust 2011 (as a free-floating brown dwarf) July 2021 (as a planet)1.00infobox
COCONUTS-2bMass7.3±0.3 MJ1.00infobox
COCONUTS-2bMean radius1.03+0.01 −0.02 RJ 1.133+0.005 −0.006 RJ 1.160+0.002 −0.003 RJ1.00infobox
COCONUTS-2bOrbital period (sidereal)1.1+1.3 −0.4×106 years1.00infobox
COCONUTS-2bSemi-major axis7,500+5,200 −2,100 AU (1.1×1012 km)1.00infobox
COCONUTS-2bSpectral typeT9.5±0.51.00infobox
COCONUTS-2bStarL 34-261.00infobox
COCONUTS-2bSurface gravitylog(g) = 4.30+0.04 −0.02 cgs1.00infobox
COCONUTS-2bTemperature468.1±1.1 K 471.3+1.6 −1.4 K 496+5 −3 K1.00infobox
COCONUTS-2bis agreat laboratory to study the atmosphere and composition of young gas-giant exoplanets0.90text

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