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HD 285968 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 285968 b

Confirmed exoplanet · Neptune Like

HD 285968 b

Orbiting HD 285968

Discovered in 2008 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 285968 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,008
Method: Radial Velocity
Radius: 2.83 R⊕
Mass: 8.4 M⊕
Orbit: 8.7836 days
Distance: 9.47045 pc

Planet profile

Orbit and physical properties

Orbital period: 8.7836 days
Semi-major axis: 0.066 AU
Eccentricity: 0
Radius: 2.83 Earth radii
Mass: 8.4 Earth masses
Mass provenance: Msini
Density: 2.04 g/cm³
Equilibrium temperature: 450 K
Insolation: 5.0456 Earth flux

Host system

Star and system properties

Host star: HD 285968
Stars in system: 1
Known planets in system: 1
Spectral type: M2 V
Stellar temperature: 3,703.49 K
Stellar radius: 0.478214 R☉
Stellar mass: 0.5 M☉
Stellar metallicity: -0.1 dex
Stellar age: 3.62 Gyr
Distance: 9.47045 parsecs
Right ascension: 04h42m56.49s
Declination: +18d57m12.09s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,008
Publication date: 2009-01
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 285968 b.

Generic neptune like catalog artwork; not a direct image of HD 285968 b — Apex Andromeda catalog artwork