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Exoplanet TOI-699 b
Exoplanet TOI-699 b orbits star TOI-699 that lies 630 light years away from the Sun.
It weighs about 6.421 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
630 light years
630 light years
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TOI-699 b
Exoplanet, sub-neptune
Star: TOI-699
Distance from the star: 0.125 AU
Orbit around star: 14.801 days
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Orbital period
Orbital period of exoplanet TOI-699 b around its star is 14.801 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
Basic characteristic
Mass: 6.421 M Earth
Exoplanet mass
Exoplanet TOI-699 b has 6.421 Earth masses, or 0.44 times the mass of Uranus.
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: 2.447 R Earth | 0.2 R Jupiter
Density: 2416 kg/m3 | 43.82 % Earth
Temperature: 1006 K | 732.85 °C
Year of discovery: 2019 (transit)
Other designations of this exoplanet
TIC 149302744 b, Gaia DR3 4757718827800055936 b
TIC 149302744 b, Gaia DR3 4757718827800055936 b
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Comparison
When comparing to the Solar system planets, TOI-699 b has 44 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 116.75 | 7.88 | 6.42 | 58.37 | 0.02 | 0.07 | 0.44 | 0.37 |
|
Size | 6.39 | 2.58 | 2.45 | 4.62 | 0.22 | 0.27 | 0.61 | 0.64 |
|
Density | 0.45 | 0.46 | 0.44 | 0.59 | 1.94 | 3.47 | 1.92 | 1.4 |
|
Distance | 0.32 | 0.17 | 0.13 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
|
Temperature | 2.29 | 1.36 | 3.49 | 4.84 | 6.17 | 7.56 | 12.9 | 13.97 |
Habitability
Habitable zone of the star: 1.5 - 2.1 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 2416 kg/m3 points to a hot gas planet.