Epsilon Eridani b

E173438

Epsilon Eridani b is a nearby Jupiter-like exoplanet candidate orbiting the young K-type star Epsilon Eridani, making it one of the closest known potential exoplanets to Earth.

All labels observed (2)

Label Occurrences
Epsilon Eridani b canonical 2
eps Eri b 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf exoplanet candidate
giant planet
radial-velocity planet candidate
catalogDesignation Epsilon Eridani b self-linksurface differs
surface form: eps Eri b
couldHostLargeMoons possible
declination_hostStar −09° 27′ 29″
discoveryMethod radial velocity
discoveryStatus candidate
disputed
distanceFromEarth_ly about 10.5
distanceFromEarth_pc about 3.2
eccentricityApprox 0.2–0.3
habitability not in habitable zone
hasEccentricOrbit true
hostStar Epsilon Eridani
hostStarActivityLevel high
hostStarAge_estimate_Myr 400–800
hostStarAlternativeName Ran
hostStarApparentMagnitude_V 3.73
hostStarFlamsteedDesignation Epsilon Eridani
hostStarHDDesignation HD 22049
hostStarHIPDesignation HIP 16537
hostStarHRDesignation HR 1084
hostStarMetallicity slightly sub-solar
hostStarRotation rapid
hostStarSpectralClass K2V
hostStarType K2V
inclinationConstraint poorly known
inferredFrom stellar radial-velocity variations
isAmongClosestKnownExoplanetCandidates true
locatedInConstellation Eridanus
minimumMass_JupiterMass about 0.8
nearbyToSolarSystem true
orbitalPeriod_years about 7
orbits Epsilon Eridani
possibleAstrometricDetection reported
possibleAstrometricDetectionStatus uncertain
radialVelocitySignalAmplitude tens of m/s
radialVelocitySignalPeriodicity about 7 years
rightAscension_hostStar 03h 32m 55.8s
semiMajorAxis_AU about 3.4
similarTo Jupiter
systemContainsDebrisDisk true
systemHasInnerAsteroidBelt suspected
systemHasKuiperBeltLikeRing true
trueMassUncertain true

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Epsilon Eridani hasExoplanetCandidate Epsilon Eridani b
Epsilon Eridani b catalogDesignation Epsilon Eridani b self-linksurface differs
this entity surface form: eps Eri b
HR 1084 hasExoplanet Epsilon Eridani b