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L 98-59 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/L 98-59 b

Confirmed exoplanet · Terrestrial

L 98-59 b

Orbiting L 98-59

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 L 98-59 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 0.837 R⊕
Mass: 0.46 M⊕
Orbit: 2.253114 days
Distance: 10.6194 pc

Planet profile

Orbit and physical properties

Orbital period: 2.253114 days
Semi-major axis: 0.0223 AU
Eccentricity: 0.031
Radius: 0.837 Earth radii
Mass: 0.46 Earth masses
Mass provenance: Mass
Density: 4.3 g/cm³
Equilibrium temperature: 620 K
Insolation: 24.5 Earth flux

Host system

Star and system properties

Host star: L 98-59
Stars in system: 1
Known planets in system: 5
Spectral type: M3 V
Stellar temperature: 3,415 K
Stellar radius: 0.3155 R☉
Stellar mass: 0.2923 M☉
Stellar metallicity: -0.46 dex
Stellar age: 4.94 Gyr
Distance: 10.6194 parsecs
Right ascension: 08h18m07.89s
Declination: -68d18m52.08s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-07
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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