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Exoplanet Tau Boötis A b
Exoplanet Tau Boötis A b orbits star Tau Boötis A that lies 51 light years away from the Sun.
It weighs about 1907.442 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
51 light years
51 light years
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Tau Boötis A b
Exoplanet, gas giant
Star: Tau Boötis A
Distance from the star: 0.05 AU
Orbit around star: 3.312463 days
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Orbital period
Orbital period of exoplanet Tau Boötis A b around its star is 3.312463 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: 1907.442 M Earth
| 6.0020 M Jupiter
Exoplanet mass
Exoplanet Tau Boötis A b has 1907.442 Earth masses (or 6.0020 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
Temperature: 1700 K | 1426.85 °C
Year of discovery: 1996 (radial velocity)
Other designations of this exoplanet
τ Boo b, 4 Boötis b, NSV 6444 b, BD+18°2782 b, FK5 507 b, GC 18637 b, GJ 527 b, HD 120136 b, HIP 67275 b, HR 5185 b, SAO 100706 b, ADS 9025 b, CCDM 13473+1727 b, LTT 14021 b
τ Boo b, 4 Boötis b, NSV 6444 b, BD+18°2782 b, FK5 507 b, GC 18637 b, GJ 527 b, HD 120136 b, HIP 67275 b, HR 5185 b, SAO 100706 b, ADS 9025 b, CCDM 13473+1727 b, LTT 14021 b
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Tau Boötis system structure
Exoplanet Tau Boötis A b orbits star Tau Boötis A, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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Tau Boötis A | ||||||||
| Tau Boötis A b | 0.05 AU | 1907.4 M⊕ | 3.3 days | ||||||
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Tau Boötis B | ||||||||
Comparison
When comparing to the Solar system planets, Tau Boötis A b has 6 times the mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 34680.76 | 2340.42 | 1907.44 | 17340.38 | 6 | 20.04 | 130.65 | 110.9 |
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Distance | 0.13 | 0.07 | 0.05 | 0.03 | 0.01 | 0.01 | 0 | 0 |
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Temperature | 3.86 | 2.31 | 5.9 | 8.17 | 10.43 | 12.78 | 21.79 | 23.61 |
Habitability
Habitable zone of the star: 1.8 - 2.6 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.
News from this star system
02. 08 2021
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