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ups Leo b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/ups Leo b

Confirmed exoplanet · Gas Giant

ups Leo b

Orbiting ups Leo

Discovered in 2021 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of ups Leo b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 14.2 R⊕
Mass: 162.092488 M⊕
Orbit: 385.2 days
Distance: 52.5973 pc

Planet profile

Orbit and physical properties

Orbital period: 385.2 days
Semi-major axis: 1.18 AU
Eccentricity: 0.32
Radius: 14.2 Earth radii
Mass: 162.092488 Earth masses
Mass provenance: Msini
Density: 0.311 g/cm³
Equilibrium temperature: 719.08 K
Insolation: 45.3174 Earth flux

Host system

Star and system properties

Host star: ups Leo
Stars in system: 1
Known planets in system: 1
Spectral type: G9 III
Stellar temperature: 4,836 K
Stellar radius: 11.22 R☉
Stellar mass: 1.48 M☉
Stellar metallicity: -0.2 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 52.5973 parsecs
Right ascension: 11h36m56.93s
Declination: -00d49m24.83s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2022-02
Discovery locale: Ground
Facility: Okayama Astrophysical Observatory
Telescope: 1.88 m Telescope
Instrument: HIDES Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from ups Leo b.

Generic gas giant catalog artwork; not a direct image of ups Leo b — Apex Andromeda catalog artwork