Stellar Catalog
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TOI 421
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TOI 421 b
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Exoplanet TOI 421 b

Exoplanet TOI 421 b orbits star TOI 421 that lies 245 light years away from the Sun. It weighs about 6.7 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
245 light years

TOI 421 b

Exoplanet, sub-neptune
Star: TOI 421
icon distanceDistance from the star: 0.0554 AU
icon timeOrbit around star: 5.197576 days
icon timeEccentricity: 0.13

Basic characteristic

icon weightMass: 6.7 M Earth
icon radiusSize: 2.64 R Earth | 0.2 R Jupiter
icon densityDensity: 2008 kg/m3 | 36 % Earth
icon temperatureTemperature: 922 K | 649 °C
icon discoveryYear of discovery: 2020 (transit)
Comparison to the Solar system planets
icon massMass: Neptune (39 % Neptune mass)
icon radiusSize: Neptune (68 % Neptune radius)
icon massDensity: Neptune (123 % Neptune density)
icon distanceDistance: Mercury (14 % Mercury distance)
Other designations of this exoplanet
b
Exoplanets around star TOI 421
Exoplanet TOI 421 b orbits star Class yellow star TOI 421, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
TOI 421 b
| 0.06 AU
TOI 421 c
| 0.12 AU
Star TOI 421
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