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GJ 1252 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 1252 b

Confirmed exoplanet · Terrestrial

GJ 1252 b

Orbiting GJ 1252

Discovered in 2020 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of GJ 1252 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Transit
Radius: 1.193 R⊕
Mass: 1.32 M⊕
Orbit: 0.518233 days
Distance: 20.373 pc

Planet profile

Orbit and physical properties

Orbital period: 0.518233 days
Semi-major axis: 0.00915 AU
Eccentricity: 0
Radius: 1.193 Earth radii
Mass: 1.32 Earth masses
Mass provenance: Mass
Density: 4.2 g/cm³
Equilibrium temperature: 1,090 K
Insolation: 233 Earth flux

Host system

Star and system properties

Host star: GJ 1252
Stars in system: 1
Known planets in system: 1
Spectral type: M3
Stellar temperature: 3,458 K
Stellar radius: 0.391 R☉
Stellar mass: 0.381 M☉
Stellar metallicity: 0.1 dex
Stellar age: 3.9 Gyr
Distance: 20.373 parsecs
Right ascension: 20h27m42.88s
Declination: -56d27m44.23s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,020
Publication date: 2020-02
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

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