stars
exoplanets
news
Exoplanet Gliese 1214 b
Exoplanet Gliese 1214 b orbits star Gliese 1214 that lies 48 light years away from the Sun.
It weighs about 8.17 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
48 light years
48 light years
Loading may take a moment.
Gliese 1214 b
Exoplanet, ocean planet
Star: Gliese 1214
Distance from the star: 0.01411 AU
Orbit around star: 1.580404 days
+
Orbital period
Orbital period of exoplanet Gliese 1214 b around its star is 1.580404 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: 0.27Basic characteristic
Mass: 8.17 M Earth
Exoplanet mass
Exoplanet Gliese 1214 b has 8.17 Earth masses, or 0.56 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: 2.742 R Earth | 0.2 R Jupiter
Density: 2185 kg/m3 | 39.63 % Earth
Temperature: 596 K | 322.85 °C
Year of discovery: 2009 (transit)
Other designations of this exoplanet
LHS 3275 b, G 139-21 b, NLTT 44431 b, 2MASS J17151894+0457496 b, LSPM J1715+0457 b, UBV M 53793 b, USNO-B1.0 0949-00280047 b, GEN# +9.80139021 b, GJ 1214 b
LHS 3275 b, G 139-21 b, NLTT 44431 b, 2MASS J17151894+0457496 b, LSPM J1715+0457 b, UBV M 53793 b, USNO-B1.0 0949-00280047 b, GEN# +9.80139021 b, GJ 1214 b
Advertisement
Gliese 1214 system structure
Exoplanet Gliese 1214 b orbits star Gliese 1214, which has much lower mass than Sun. It is the only known exoplanet orbiting this star
|
|
Gliese 1214 | ||||||||
| Gliese 1214 b | 0.01 AU | 8.2 M⊕ | 2.7 R⊕ | 1.6 days | |||||
Comparison
When comparing to the Solar system planets, Gliese 1214 b has 56 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 148.55 | 10.02 | 8.17 | 74.27 | 0.03 | 0.09 | 0.56 | 0.48 |
|
Size | 7.16 | 2.89 | 2.74 | 5.17 | 0.24 | 0.3 | 0.69 | 0.72 |
|
Density | 0.4 | 0.42 | 0.4 | 0.54 | 1.76 | 3.14 | 1.74 | 1.26 |
|
Distance | 0.04 | 0.02 | 0.01 | 0.01 | 0 | 0 | 0 | 0 |
|
Temperature | 1.35 | 0.81 | 2.07 | 2.87 | 3.66 | 4.48 | 7.64 | 8.28 |
Habitability
Habitable zone of the star: 0.04 - 0.05 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 2185 kg/m3 points to a hot gas planet.
News from this star system
21. 05 2023
Atmosféry planet|Planetary atmospheres|Atmósferas planetarias|Atmosphères planétaires|Planetenatmosphären|Атмосферы планет