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2025
Discovered
4.60
Earth Radii
204
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,025
Discovery FacilityTransiting Exoplanet Survey Satellite (TESS)
Orbital Properties
Orbital Period34.005 days
Semi-Major Axis0.1136 AU
Inclination89.898 deg
Physical Properties
Radius (Jupiter)0.411 RJ
Radius (Earth)4.6 R⊕
Eq. Temperature204.4 K
Planetary Extremes
Where TOI-6478 b sits on the spectrum of all known exoplanets.
Radius4.60 R⊕
TinyEnormous
Temperature204 K
FrozenInferno
Year Length34.0 days
LightningGlacial
Star Distance0.114 AU
ScorchedFrozen exile
Size Comparison
4.60x Earth's radius (0.41x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)TOI-6478 b: 34.0 Earth days (0.114 AU)
Host Star: TOI-6478
Spectral TypeM4.0+/-0.5
Effective Temperature3,230 K
Mass0.23 M☉
Radius0.234 R☉
Size vs Sun4.27x smaller
Metallicity [Fe/H]-0.53
Distance (pc)38.6057 pc
Distance (ly)125.9 light-years
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