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LHS 3844 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/LHS 3844 b

Confirmed exoplanet · Terrestrial

LHS 3844 b

Orbiting LHS 3844

Discovered in 2019 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 LHS 3844 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 1.286 R⊕
Mass: 2.37 M⊕
Orbit: 0.46293 days
Distance: 14.8846 pc

Planet profile

Orbit and physical properties

Orbital period: 0.46293 days
Semi-major axis: 0.00624 AU
Eccentricity: 0
Radius: 1.286 Earth radii
Mass: 2.37 Earth masses
Mass provenance: Mass
Density: 6.15 g/cm³
Equilibrium temperature: 816 K
Insolation: 73.67 Earth flux

Host system

Star and system properties

Host star: LHS 3844
Stars in system: 1
Known planets in system: 1
Spectral type: M4.5-M5.0
Stellar temperature: 3,080 K
Stellar radius: 0.189 R☉
Stellar mass: 0.151 M☉
Stellar metallicity: 0.22 dex
Stellar age: 7.8 Gyr
Distance: 14.8846 parsecs
Right ascension: 22h41m59.09s
Declination: -69d10m19.59s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-02
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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