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Exoplanet TOI 216 b
Exoplanet TOI 216 b orbits star TOI 216 that lies 581 light years away from the Sun.
It weighs about 17.739 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
581 light years
581 light years
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TOI 216 b
Exoplanet
Star: TOI 216
Distance from the star: 0.1293 AU
Orbit around star: 17.0991 days
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Orbital period
Orbital period of exoplanet TOI 216 b around its star is 17.0991 days.
The orbital period of an exoplanet is the time it takes to complete one full orbit around its star, usually measured in days. Most of the exoplanets discovered so far have orbital periods of less than one year...
More about Orbital period in StellarGuide
Eccentricity: 0.161Basic characteristic
Mass: 17.739 M Earth
Exoplanet mass
Exoplanet TOI 216 b has 17.739 Earth masses, or 1.03 times the mass of Neptune.
The mass of an exoplanet is one of the most important characteristics for understanding what kind of world it is — whether it’s small and rocky like Earth or large and gaseous like Jupiter. Mass provides key information about the planet’s composition, gravity, and formation history...
More about Exoplanet mass in StellarGuide
Size: 7.69 R Earth | 0.7 R Jupiter
Density: 215 kg/m3 | 3.90 % Earth
Temperature: 628 K | 354.85 °C
Year of discovery: 2019 (timing)
Other designations of this exoplanet
2MASS J04555525-6315362 b, TIC 55652896 b, Gaia DR3 4664811297844004352 b
2MASS J04555525-6315362 b, TIC 55652896 b, Gaia DR3 4664811297844004352 b
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Comparison
When comparing to the Solar system planets, TOI 216 b has 1.03 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 322.53 | 21.77 | 17.74 | 161.26 | 0.06 | 0.19 | 1.22 | 1.03 |
|
Size | 20.08 | 8.09 | 7.69 | 14.51 | 0.69 | 0.85 | 1.92 | 2.02 |
|
Density | 0.04 | 0.04 | 0.04 | 0.05 | 0.17 | 0.31 | 0.17 | 0.12 |
|
Distance | 0.33 | 0.18 | 0.13 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
|
Temperature | 1.43 | 0.85 | 2.18 | 3.02 | 3.85 | 4.72 | 8.05 | 8.72 |
Habitability
Habitable zone of the star: 0.51 - 0.74 AU
The planet is too hot to sustain liquid water.