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HD 204313 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 204313 c

Confirmed exoplanet · Neptune Like

HD 204313 c

Orbiting HD 204313

Discovered in 2015 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of HD 204313 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Radial Velocity
Radius: 4.31 R⊕
Mass: 17.162734 M⊕
Orbit: 34.95875 days
Distance: 47.7945 pc

Planet profile

Orbit and physical properties

Orbital period: 34.95875 days
Semi-major axis: 0.211 AU
Eccentricity: 0.059
Radius: 4.31 Earth radii
Mass: 17.162734 Earth masses
Mass provenance: Msini
Density: 1.18 g/cm³
Equilibrium temperature: 634.95 K
Insolation: 28.2644 Earth flux

Host system

Star and system properties

Host star: HD 204313
Stars in system: 1
Known planets in system: 3
Spectral type: G5 V
Stellar temperature: 5,767 K
Stellar radius: 1.1 R☉
Stellar mass: 1.03 M☉
Stellar metallicity: 0.18 dex
Stellar age: 3.38 Gyr
Distance: 47.7945 parsecs
Right ascension: 21h28m12.25s
Declination: -21d43m38.71s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,015
Publication date: 2016-01
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 204313 c.

Generic neptune like catalog artwork; not a direct image of HD 204313 c — Apex Andromeda catalog artwork