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Exoplanet TOI 908 b
Exoplanet TOI 908 b orbits star TOI 908 that lies 574 light years away from the Sun.
It weighs about 16.137 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
574 light years
574 light years
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TOI 908 b
Exoplanet, sub-neptune
Star: TOI 908
Distance from the star: 0.041657 AU
Orbit around star: 3.183792 days
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Orbital period
Orbital period of exoplanet TOI 908 b around its star is 3.183792 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: 0.132Basic characteristic
Mass: 16.137 M Earth
Exoplanet mass
Exoplanet TOI 908 b has 16.137 Earth masses, or 0.94 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: 3.186 R Earth | 0.3 R Jupiter
Density: 2751 kg/m3 | 49.90 % Earth
Temperature: 1317 K | 1043.85 °C
Year of discovery: 2023 (transit)
Other designations of this exoplanet
2MASS J03323821-81150267 b
2MASS J03323821-81150267 b
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Comparison
When comparing to the Solar system planets, TOI 908 b has 94 % of mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 293.4 | 19.8 | 16.14 | 146.7 | 0.05 | 0.17 | 1.11 | 0.94 |
|
Size | 8.32 | 3.35 | 3.19 | 6.01 | 0.28 | 0.35 | 0.8 | 0.84 |
|
Density | 0.51 | 0.52 | 0.5 | 0.68 | 2.21 | 3.95 | 2.19 | 1.59 |
|
Distance | 0.11 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
|
Temperature | 2.99 | 1.79 | 4.57 | 6.33 | 8.08 | 9.9 | 16.88 | 18.29 |
Habitability
Habitable zone of the star: 0.97 - 1.4 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.
The planet is bigger than Earth and smaller than Neptune. Its average density 2751 kg/m3 points to a hot gas planet.