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Teegarden's Star b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Teegarden's Star b

Confirmed exoplanet · Terrestrial

Teegarden's Star b

Orbiting Teegarden's Star

Discovered in 2019 using Radial Velocity. 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 Teegarden's Star b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Radial Velocity
Radius: 1.05 R⊕
Mass: 1.16 M⊕
Orbit: 4.90634 days
Distance: 3.83078 pc

Planet profile

Orbit and physical properties

Orbital period: 4.90634 days
Semi-major axis: 0.0259 AU
Eccentricity: 0.03
Radius: 1.05 Earth radii
Mass: 1.16 Earth masses
Mass provenance: Msini
Density: 5.51 g/cm³
Equilibrium temperature: 277 K
Insolation: 1.08 Earth flux

Host system

Star and system properties

Host star: Teegarden's Star
Stars in system: 1
Known planets in system: 3
Spectral type: M7.0 V
Stellar temperature: 3,034 K
Stellar radius: 0.12 R☉
Stellar mass: 0.097 M☉
Stellar metallicity: -0.11 dex
Stellar age: 8 Gyr
Distance: 3.83078 parsecs
Right ascension: 02h53m04.59s
Declination: +16d51m53.65s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,019
Publication date: 2019-07
Discovery locale: Ground
Facility: Calar Alto Observatory
Telescope: 3.5 m telescope
Instrument: CARMENES
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from Teegarden's Star b.

Generic terrestrial catalog artwork; not a direct image of Teegarden's Star b — Apex Andromeda catalog artwork