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Exoplanet 61 Virginis b
Exoplanet 61 Virginis b orbits star 61 Virginis that lies 28 light years away from the Sun.
It weighs about 6.358 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
28 light years
28 light years
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61 Virginis b
Exoplanet, super-earth
Star: 61 Virginis
Distance from the star: 0.050201 AU
Orbit around star: 4.215 days
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Orbital period
Orbital period of exoplanet 61 Virginis b around its star is 4.215 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: 0.12Basic characteristic
Mass: 6.358 M Earth
Exoplanet mass
Exoplanet 61 Virginis b has 6.358 Earth masses, or 0.44 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: 1.6 R Earth | 0.1 R Jupiter
Density: 8558 kg/m3 | 155.23 % Earth
Temperature: 1054 K | 780.85 °C
Year of discovery: 2009 (radial velocity)
Other designations of this exoplanet
61 Vir b, Gliese 506 b, BD-17°3813 b, FK5 1345 b, GCTP 3039.00 b, HD 115617 b, HIP 64924 b, HR 5019 b, LHS 349 b, LTT 5111 b, SAO 157844 b
61 Vir b, Gliese 506 b, BD-17°3813 b, FK5 1345 b, GCTP 3039.00 b, HD 115617 b, HIP 64924 b, HR 5019 b, LHS 349 b, LTT 5111 b, SAO 157844 b
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61 Virginis system structure
Exoplanet 61 Virginis b orbits star 61 Virginis, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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61 Virginis | ||||||||
| 61 Virginis b | 0.05 AU | 6.4 M⊕ | 1.6 R⊕ | 4.2 days | |||||
| 61 Virginis c | 0.22 AU | 19.1 M⊕ | 38 days | ||||||
| 61 Virginis d | 0.48 AU | 22.3 M⊕ | - | ||||||
Comparison
When comparing to the Solar system planets, 61 Virginis b has 44 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 115.6 | 7.8 | 6.36 | 57.8 | 0.02 | 0.07 | 0.44 | 0.37 |
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Size | 4.18 | 1.68 | 1.6 | 3.02 | 0.14 | 0.18 | 0.4 | 0.42 |
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Density | 1.58 | 1.63 | 1.55 | 2.1 | 6.88 | 12.29 | 6.8 | 4.95 |
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Distance | 0.13 | 0.07 | 0.05 | 0.03 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 2.4 | 1.43 | 3.66 | 5.07 | 6.47 | 7.92 | 13.51 | 14.64 |
Habitability
Habitable zone of the star: 0.97 - 1.4 AU
The planet is too hot to sustain liquid water.