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2026
Discovered
4.3
Earth Masses
545
Temperature (K)
Discovery Information
Discovery MethodRadial Velocity
Discovery Year2,026
Discovery FacilityMultiple Observatories
Orbital Properties
Orbital Period29.65 days
Semi-Major Axis0.1756 AU
Eccentricity0.096
Physical Properties
Mass (Jupiter)0.0135 MJ
Mass (Earth)4.29 M⊕
Eq. Temperature545 K
Planetary Extremes
Where TOI-5789 d sits on the spectrum of all known exoplanets.
Mass4.3 M⊕
FeatherweightColossus
Temperature545 K
FrozenInferno
Year Length29.6 days
LightningGlacial
Star Distance0.176 AU
ScorchedFrozen exile
Orbit Comparison
Earth: 365.25 days (1 AU)TOI-5789 d: 29.6 Earth days (0.176 AU)
Host Star: TOI-5789
Spectral TypeK1 V
Effective Temperature5,185 K
Mass0.821 M☉
Radius0.833 R☉
Size vs Sun1.20x smaller
Luminosity0.469 L☉
Luminosity vs Sun2.1x dimmer
Metallicity [Fe/H]-0.12
Distance (pc)20.4581 pc
Distance (ly)66.7 light-years
Star System View
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