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HD 30177 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 30177 b

Confirmed exoplanet · Gas Giant

HD 30177 b

Orbiting HD 30177

Discovered in 2002 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 HD 30177 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 12.6 R⊕
Mass: 2,622.084358 M⊕
Orbit: 2,539 days
Distance: 55.5867 pc

Planet profile

Orbit and physical properties

Orbital period: 2,539 days
Semi-major axis: 3.49 AU
Eccentricity: 0.186
Radius: 12.6 Earth radii
Mass: 2,622.084358 Earth masses
Mass provenance: Mass
Density: 7.2 g/cm³
Equilibrium temperature: 148 K
Insolation: 0.0995 Earth flux

Host system

Star and system properties

Host star: HD 30177
Stars in system: 1
Known planets in system: 2
Spectral type: G8 V
Stellar temperature: 5,680 K
Stellar radius: 1.019 R☉
Stellar mass: 0.98 M☉
Stellar metallicity: 0.43 dex
Stellar age: 3.55 Gyr
Distance: 55.5867 parsecs
Right ascension: 04h41m54.50s
Declination: -58d01m14.91s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2003-04
Discovery locale: Ground
Facility: Anglo-Australian Telescope
Telescope: 3.9 m Anglo-Australian Telescope
Instrument: UCLES Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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