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Exoplanet Gliese 740 b
Exoplanet Gliese 740 b orbits star Gliese 740 that lies 36 light years away from the Sun.
It weighs about 3.179 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
36 light years
36 light years
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Gliese 740 b
Exoplanet, super-earth
Star: Gliese 740
Distance from the star: 0.029 AU
Orbit around star: 2.37756 days
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Orbital period
Orbital period of exoplanet Gliese 740 b around its star is 2.37756 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: 3.179 M Earth
Exoplanet mass
Exoplanet Gliese 740 b has 3.179 Earth masses, or 0.22 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
Temperature: 829 K | 555.85 °C
Year of discovery: 2021 (radial velocity)
Other designations of this exoplanet
GJ 740 b, LHS 470 b, HD 176029 b, HIC 93101 b, BD+05 3993 b, NLTT 47240 b, LTT 15568 b, LFT 1443 b
GJ 740 b, LHS 470 b, HD 176029 b, HIC 93101 b, BD+05 3993 b, NLTT 47240 b, LTT 15568 b, LFT 1443 b
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Gliese 740 system structure
Exoplanet Gliese 740 b orbits star Gliese 740, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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Gliese 740 | ||||||||
| Gliese 740 b | 0.03 AU | 3.2 M⊕ | 2.4 days | ||||||
| Gliese 740 c unconfirmed |
5 AU | 98.6 M⊕ | - | ||||||
Comparison
When comparing to the Solar system planets, Gliese 740 b has 22 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 57.8 | 3.9 | 3.18 | 28.9 | 0.01 | 0.03 | 0.22 | 0.18 |
|
Distance | 0.07 | 0.04 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 |
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Temperature | 1.88 | 1.12 | 2.88 | 3.99 | 5.09 | 6.23 | 10.63 | 11.51 |
Habitability
Habitable zone of the star: 0.34 - 0.48 AU
The planet is too hot to sustain liquid water.