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2019
Discovered
1.2
Earth Masses
277
Temperature (K)
Discovery Information
Discovery MethodRadial Velocity
Discovery Year2,019
Discovery FacilityCalar Alto Observatory
Orbital Properties
Orbital Period4.9063 days
Semi-Major Axis0.0259 AU
Eccentricity0.03
Physical Properties
Mass (Jupiter)0.0036 MJ
Mass (Earth)1.16 M⊕
Eq. Temperature277 K
Insolation Flux1.08 S⊕
Planetary Extremes
Where Teegarden's Star b sits on the spectrum of all known exoplanets.
Mass1.2 M⊕
FeatherweightColossus
Temperature277 K
FrozenInferno
Year Length4.9 days
LightningGlacial
Star Distance0.026 AU
ScorchedFrozen exile
Orbit Comparison
Earth: 365.25 days (1 AU)Teegarden's Star b: 4.9 Earth days (0.026 AU)
Host Star: Teegarden's Star
Effective Temperature3,034 K
Mass0.097 M☉
Radius0.12 R☉
Size vs Sun8.33x smaller
Luminosity0.0007 L☉
Luminosity vs Sun1385.0x dimmer
Metallicity [Fe/H]-0.11
Distance (pc)3.8308 pc
Distance (ly)12.5 light-years
Star System View
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Other Planets in the Teegarden's Star System
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