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

Planets/Exoplanets/LP 791-18 d

Confirmed exoplanet · Terrestrial

LP 791-18 d

Orbiting LP 791-18

Discovered in 2023 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 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Transit
Radius: 1.032 R⊕
Mass: 0.91 M⊕
Orbit: 2.75485 days
Distance: 26.4927 pc

Planet profile

Orbit and physical properties

Orbital period: 2.75485 days
Semi-major axis: 0.01992 AU
Eccentricity: 0.0011
Radius: 1.032 Earth radii
Mass: 0.91 Earth masses
Mass provenance: Mass
Density: 4.56 g/cm³
Equilibrium temperature: 395.5 K
Insolation: 5.83 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: 2,023
Publication date: 2023-05
Discovery locale: Space
Facility: Spitzer Space Telescope
Telescope: 0.85 m Spitzer Space Telescope
Instrument: IRAC Infrared Array Camera
NASA Exoplanet Archive: Open composite record ↗

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