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GJ 411 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 411 b

Confirmed exoplanet · Terrestrial

GJ 411 b

Orbiting GJ 411

Discovered in 2019 using Radial Velocity. 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 GJ 411 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Radial Velocity
Radius: 1.45 R⊕
Mass: 2.69 M⊕
Orbit: 12.9394 days
Distance: 5.675773 pc

Planet profile

Orbit and physical properties

Orbital period: 12.9394 days
Semi-major axis: 0.07879 AU
Eccentricity: 0.063
Radius: 1.45 Earth radii
Mass: 2.69 Earth masses
Mass provenance: Msini
Density: 4.85 g/cm³
Equilibrium temperature: 349.83 K
Insolation: 3.13 Earth flux

Host system

Star and system properties

Host star: GJ 411
Stars in system: 1
Known planets in system: 2
Spectral type: M1.5 V
Stellar temperature: 3,719 K
Stellar radius: 0.3685 R☉
Stellar mass: 0.3899 M☉
Stellar metallicity: -0.3621 dex
Stellar age: 8.047 Gyr
Distance: 5.675773 parsecs
Right ascension: 11h03m20.27s
Declination: +35d58m20.34s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,019
Publication date: 2019-05
Discovery locale: Ground
Facility: Haute-Provence Observatory
Telescope: 1.93 m Telescope
Instrument: SOPHIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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