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HAT-P-11 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HAT-P-11 c

Confirmed exoplanet · Gas Giant

HAT-P-11 c

Orbiting HAT-P-11

Discovered in 2018 using Radial Velocity. 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 HAT-P-11 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Radial Velocity
Radius: 13.2 R⊕
Mass: 851.780131 M⊕
Orbit: 3,361 days
Distance: 37.7647 pc

Planet profile

Orbit and physical properties

Orbital period: 3,361 days
Semi-major axis: 4.1 AU
Eccentricity: 0.652
Radius: 13.2 Earth radii
Mass: 851.780131 Earth masses
Mass provenance: Mass
Density: 2.04 g/cm³
Equilibrium temperature: 91.58 K
Insolation: 0.0161 Earth flux

Host system

Star and system properties

Host star: HAT-P-11
Stars in system: 1
Known planets in system: 2
Spectral type: K4
Stellar temperature: 4,653 K
Stellar radius: 0.683 R☉
Stellar mass: 0.811 M☉
Stellar metallicity: 0.31 dex
Stellar age: 2.69 Gyr
Distance: 37.7647 parsecs
Right ascension: 19h50m50.44s
Declination: +48d04m54.71s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,018
Publication date: 2018-06
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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