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LP 791-18 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/LP 791-18 b

Confirmed exoplanet · Terrestrial

LP 791-18 b

Orbiting LP 791-18

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 LP 791-18 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 1.212 R⊕
Mass: 1.94 M⊕
Orbit: 0.947998 days
Distance: 26.4927 pc

Planet profile

Orbit and physical properties

Orbital period: 0.947998 days
Semi-major axis: 0.00978 AU
Eccentricity: 0
Radius: 1.212 Earth radii
Mass: 1.94 Earth masses
Mass provenance: M-R relationship
Density: 5.99 g/cm³
Equilibrium temperature: 564.3 K
Insolation: 24.14 Earth flux

Host system

Star and system properties

Host star: LP 791-18
Stars in system: 1
Known planets in system: 3
Spectral type: M(6.1 +/- 0.7) V
Stellar temperature: 2,960 K
Stellar radius: 0.182 R☉
Stellar mass: 0.139 M☉
Stellar metallicity: -0.09 dex
Stellar age: 0.5 Gyr
Distance: 26.4927 parsecs
Right ascension: 11h02m45.72s
Declination: -16d24m23.20s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-09
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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