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DP Leo b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/DP Leo b

Confirmed exoplanet · Gas Giant

DP Leo b

Orbiting DP Leo

Discovered in 2009 using Eclipse Timing Variations. 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 DP Leo b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Eclipse Timing Variations
Radius: 12.7 R⊕
Mass: 1,995.88832 M⊕
Orbit: 10,220 days
Distance: 305.684 pc

Planet profile

Orbit and physical properties

Orbital period: 10,220 days
Semi-major axis: 8.19 AU
Eccentricity: 0.39
Radius: 12.7 Earth radii
Mass: 1,995.88832 Earth masses
Mass provenance: Mass
Density: 5.35 g/cm³
Equilibrium temperature: 24.39 K
Insolation: 0.0001 Earth flux

Host system

Star and system properties

Host star: DP Leo
Stars in system: 2
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 13,500 K
Stellar radius: 0.0115 R☉
Stellar mass: 0.69 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 305.684 parsecs
Right ascension: 11h17m15.89s
Declination: +17d57m41.66s

Discovery

Detection and provenance

Discovery method: Eclipse Timing Variations
Discovery year: 2,009
Publication date: 2010-01
Discovery locale: Ground
Facility: Yunnan Astronomical Observatory
Telescope: 2.4 m Lijiang Station Telescope
Instrument: 6K CCD Mosaic
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from DP Leo b.

Generic gas giant catalog artwork; not a direct image of DP Leo b — Apex Andromeda catalog artwork