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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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NN Ser d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/NN Ser d

Confirmed exoplanet · Gas Giant

NN Ser d

Orbiting NN Ser

Discovered in 2010 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 NN Ser d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,010
Method: Eclipse Timing Variations
Radius: 13.3 R⊕
Mass: 724.622 M⊕
Orbit: 2,880 days
Distance: 515.818 pc

Planet profile

Orbit and physical properties

Orbital period: 2,880 days
Semi-major axis: 3.39 AU
Eccentricity: 0.24
Radius: 13.3 Earth radii
Mass: 724.622 Earth masses
Mass provenance: Mass
Density: 1.69 g/cm³
Equilibrium temperature: Not reported by the NASA Exoplanet Archive
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: NN Ser
Stars in system: 2
Known planets in system: 2
Spectral type: WD
Stellar temperature: 57,000 K
Stellar radius: Not reported by the NASA Exoplanet Archive
Stellar mass: 0.535 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 515.818 parsecs
Right ascension: 15h52m56.09s
Declination: +12d54m43.51s

Discovery

Detection and provenance

Discovery method: Eclipse Timing Variations
Discovery year: 2,010
Publication date: 2010-10
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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