CONFIRMED EXOPLANET · Gas Giant

HD 4203 c

Orbits Host Star: HD 4203 (Type G5) · Distance: 265.400 Light-Years (81.380 pc)

Planetary Radius

13.300 R⊕

Planetary Mass

689.660 M⊕

Surface Gravity

3.9 g / g⊕

Equilibrium Temp

125K (-148°C / -234°F)

Orbital Period

6700 days

Discovery Year

2014 (Radial Velocity)

Habitability Assessment

❄️ Cryogenic Regime: At 125 K (-148°C / -234°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.

Discovery Facility: W. M. Keck Observatory.

Other Worlds in the HD 4203 System (1)

HD 4203 b

Gas Giant · 431.9d

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS

Inspect Raw NASA Archive Record ↗