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2017
Discovered
9.8
Earth Masses
558
Temperature (K)
Discovery Information
Discovery MethodRadial Velocity
Discovery Year2,017
Discovery FacilityMultiple Observatories
Orbital Properties
Orbital Period16.8124 days
Semi-Major Axis0.1187 AU
Physical Properties
Mass (Jupiter)0.0307 MJ
Mass (Earth)9.75 M⊕
Eq. Temperature558 K
Insolation Flux22.9 S⊕
Planetary Extremes
Where HD 176986 c sits on the spectrum of all known exoplanets.
Mass9.8 M⊕
FeatherweightColossus
Temperature558 K
FrozenInferno
Year Length16.8 days
LightningGlacial
Star Distance0.119 AU
ScorchedFrozen exile
Orbit Comparison
Earth: 365.25 days (1 AU)HD 176986 c: 16.8 Earth days (0.119 AU)
Host Star: HD 176986
Spectral TypeK2.5 V
Effective Temperature4,931 K
Mass0.789 M☉
Radius0.782 R☉
Size vs Sun1.28x smaller
Luminosity0.331 L☉
Luminosity vs Sun3.0x dimmer
Metallicity [Fe/H]0.03
Distance (pc)27.7843 pc
Distance (ly)90.6 light-years
Star System View
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