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HD 109271 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 109271 c

Confirmed exoplanet · Neptune Like

HD 109271 c

Orbiting HD 109271

Discovered in 2013 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 109271 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,013
Method: Radial Velocity
Radius: 5.27 R⊕
Mass: 24.154 M⊕
Orbit: 30.93 days
Distance: 55.8716 pc

Planet profile

Orbit and physical properties

Orbital period: 30.93 days
Semi-major axis: 0.196 AU
Eccentricity: 0.15
Radius: 5.27 Earth radii
Mass: 24.154 Earth masses
Mass provenance: Msini
Density: 0.907 g/cm³
Equilibrium temperature: 716.68 K
Insolation: 52.058 Earth flux

Host system

Star and system properties

Host star: HD 109271
Stars in system: 1
Known planets in system: 2
Spectral type: G5 V
Stellar temperature: 5,783 K
Stellar radius: 1.294595 R☉
Stellar mass: 1.047 M☉
Stellar metallicity: 0.1 dex
Stellar age: 7.3 Gyr
Distance: 55.8716 parsecs
Right ascension: 12h33m35.38s
Declination: -11d37m17.47s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,013
Publication date: 2013-03
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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