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Ross 508 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Ross 508 b

Confirmed exoplanet · Super Earth

Ross 508 b

Orbiting Ross 508

Discovered in 2022 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of Ross 508 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 1.83 R⊕
Mass: 4 M⊕
Orbit: 10.77 days
Distance: 11.2103 pc

Planet profile

Orbit and physical properties

Orbital period: 10.77 days
Semi-major axis: 0.05366 AU
Eccentricity: 0.33
Radius: 1.83 Earth radii
Mass: 4 Earth masses
Mass provenance: Msini
Density: 3.59 g/cm³
Equilibrium temperature: 293.86 K
Insolation: 1.2464 Earth flux

Host system

Star and system properties

Host star: Ross 508
Stars in system: 1
Known planets in system: 1
Spectral type: M4.5 V
Stellar temperature: 3,071 K
Stellar radius: 0.2113 R☉
Stellar mass: 0.1774 M☉
Stellar metallicity: -0.2 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 11.2103 parsecs
Right ascension: 15h23m50.71s
Declination: +17d27m37.92s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-08
Discovery locale: Ground
Facility: Subaru Telescope
Telescope: 8.2 m Subaru Telescope
Instrument: Infrared Doppler (IRD)
NASA Exoplanet Archive: Open composite record ↗

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