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Exoplanet Gliese 3473 b
Exoplanet Gliese 3473 b orbits star Gliese 3473 that lies 89 light years away from the Sun.
It weighs about 1.86 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
89 light years
89 light years
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Gliese 3473 b
Exoplanet, super-earth
Star: Gliese 3473
Distance from the star: 0.01589 AU
Orbit around star: 1.198003 days
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Orbital period
Orbital period of exoplanet Gliese 3473 b around its star is 1.198003 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: 1.86 M Earth
Exoplanet mass
Exoplanet Gliese 3473 b has 1.86 Earth masses.
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: 1.264 R Earth | 0.1 R Jupiter
Density: 5078 kg/m3 | 92.11 % Earth
Temperature: 773 K | 499.85 °C
Year of discovery: 2020 (transit)
Other designations of this exoplanet
GJ 3473 b, LHS 1972 b, LDS 5160A b, G 50-16 b, 2MASS J08022287+0320196 b, NLTT 18833 b, TIC 452866790 b, TOI-488 b, WISEA J080222.59+032015.6 b
GJ 3473 b, LHS 1972 b, LDS 5160A b, G 50-16 b, 2MASS J08022287+0320196 b, NLTT 18833 b, TIC 452866790 b, TOI-488 b, WISEA J080222.59+032015.6 b
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Gliese 3473 system structure
Exoplanet Gliese 3473 b orbits star Gliese 3473, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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Gliese 3473 | ||||||||
| Gliese 3473 b | 0.02 AU | 1.9 M⊕ | 1.3 R⊕ | 1.2 days | |||||
| Gliese 3473 c | 0.09 AU | 6.8 M⊕ | 15.5 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 3473 b has 1.86 times the mass of Earth and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 33.82 | 2.28 | 1.86 | 16.91 | 0.01 | 0.02 | 0.13 | 0.11 |
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Size | 3.3 | 1.33 | 1.26 | 2.38 | 0.11 | 0.14 | 0.32 | 0.33 |
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Density | 0.94 | 0.97 | 0.92 | 1.25 | 4.08 | 7.29 | 4.04 | 2.94 |
|
Distance | 0.04 | 0.02 | 0.02 | 0.01 | 0 | 0 | 0 | 0 |
|
Temperature | 1.76 | 1.05 | 2.68 | 3.72 | 4.74 | 5.81 | 9.91 | 10.74 |
Habitability
Habitable zone of the star: 0.1 - 0.15 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.