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Exoplanet Tau1 Gruis b
Exoplanet Tau1 Gruis b orbits star Tau1 Gruis that lies 108 light years away from the Sun.
It weighs about 400.563 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
108 light years
108 light years
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Tau1 Gruis b
Exoplanet, gas giant
Star: Tau1 Gruis
Distance from the star: 2.56 AU
Orbit around star: 1311 days
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Orbital period
Orbital period of exoplanet Tau1 Gruis b around its star is 1311 days (or 3.6 years).
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: 0.070Basic characteristic
Mass: 400.563 M Earth
| 1.2604 M Jupiter
Exoplanet mass
Exoplanet Tau1 Gruis b has 400.563 Earth masses (or 1.2604 Jupiter 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
Year of discovery: 2002 (radial velocity)
Other designations of this exoplanet
τ1 Gru b, CD−49° 13988 b, GJ 9802 b, Gliese 9802 b, HD 216435 b, HIP 113044 b, HR 8700 b, SAO 231343 b, GSC 09340-01818 b
τ1 Gru b, CD−49° 13988 b, GJ 9802 b, Gliese 9802 b, HD 216435 b, HIP 113044 b, HR 8700 b, SAO 231343 b, GSC 09340-01818 b
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Tau1 Gruis system structure
Exoplanet Tau1 Gruis b orbits star Tau1 Gruis, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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Tau1 Gruis | ||||||||
| Tau1 Gruis b | 2.56 AU (HZ) | 400.6 M⊕ | 1311 days | ||||||
Comparison
When comparing to the Solar system planets, Tau1 Gruis b has 1.26 times the mass of Jupiter and it orbits its star a little closer than Jupiter.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 7282.96 | 491.49 | 400.56 | 3641.48 | 1.26 | 4.21 | 27.44 | 23.29 |
|
Distance | 6.56 | 3.54 | 2.56 | 1.68 | 0.49 | 0.27 | 0.13 | 0.09 |
Habitability
Habitable zone of the star: 2.1 - 3 AU
The planet is orbiting inside the habitable zone of its star.
The planet is a gas giant and has no surface, however life could still be possible in its atmosphere or on the potential moons orbiting the planet.