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GJ 1148 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 1148 c

Confirmed exoplanet · Gas Giant

GJ 1148 c

Orbiting GJ 1148

Discovered in 2017 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 GJ 1148 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Radial Velocity
Radius: 9.71 R⊕
Mass: 68.06 M⊕
Orbit: 532.58 days
Distance: 11.0143 pc

Planet profile

Orbit and physical properties

Orbital period: 532.58 days
Semi-major axis: 0.912 AU
Eccentricity: 0.342
Radius: 9.71 Earth radii
Mass: 68.06 Earth masses
Mass provenance: Msini
Density: 0.409 g/cm³
Equilibrium temperature: 99.38 K
Insolation: 0.0163 Earth flux

Host system

Star and system properties

Host star: GJ 1148
Stars in system: 1
Known planets in system: 2
Spectral type: M5
Stellar temperature: 3,287 K
Stellar radius: 0.358519 R☉
Stellar mass: 0.344045 M☉
Stellar metallicity: 0.1596 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 11.0143 parsecs
Right ascension: 11h41m43.83s
Declination: +42d45m05.71s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,017
Publication date: 2018-02
Discovery locale: Ground
Facility: Calar Alto Observatory
Telescope: 3.5 m telescope
Instrument: CARMENES
NASA Exoplanet Archive: Open composite record ↗

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