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Exoplanet Ross 176 b
Exoplanet Ross 176 b orbits star Ross 176 that lies 152 light years away from the Sun.
It weighs about 4.57 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
152 light years
152 light years
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Ross 176 b
Exoplanet, super-earth
Star: Ross 176
Distance from the star: 0.0464 AU
Orbit around star: 5.006633 days
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Orbital period
Orbital period of exoplanet Ross 176 b around its star is 5.006633 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: 0.25Basic characteristic
Mass: 4.57 M Earth
Exoplanet mass
Exoplanet Ross 176 b has 4.57 Earth masses, or 0.31 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: 1.84 R Earth | 0.2 R Jupiter
Density: 4045 kg/m3 | 73.37 % Earth
Temperature: 682 K | 408.85 °C
Year of discovery: 2025 (transit)
Other designations of this exoplanet
TIC 193336820 b, TOI 4491 b, Ross 176 b, LTT 15964 b, Karmn J20227+473 b, TYC 3576–00804–1 b, 2MASS J20224515+4718276 b
TIC 193336820 b, TOI 4491 b, Ross 176 b, LTT 15964 b, Karmn J20227+473 b, TYC 3576–00804–1 b, 2MASS J20224515+4718276 b
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Ross 176 system structure
Exoplanet Ross 176 b orbits star Ross 176, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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Ross 176 | ||||||||
| Ross 176 b | 0.05 AU | 4.6 M⊕ | 1.8 R⊕ | 5 days | |||||
Comparison
When comparing to the Solar system planets, Ross 176 b has 31 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 83.09 | 5.61 | 4.57 | 41.55 | 0.01 | 0.05 | 0.31 | 0.27 |
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Size | 4.81 | 1.94 | 1.84 | 3.47 | 0.16 | 0.2 | 0.46 | 0.48 |
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Density | 0.75 | 0.77 | 0.73 | 0.99 | 3.25 | 5.81 | 3.22 | 2.34 |
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Distance | 0.12 | 0.06 | 0.05 | 0.03 | 0.01 | 0 | 0 | 0 |
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Temperature | 1.55 | 0.93 | 2.37 | 3.28 | 4.18 | 5.13 | 8.74 | 9.47 |
Habitability
Habitable zone of the star: 0.24 - 0.34 AU
The planet is too hot to sustain liquid water.