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Exoplanet Nu2 Lupi b
Exoplanet Nu2 Lupi b orbits star Nu2 Lupi that lies 48 light years away from the Sun.
It weighs about 4.62 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
48 light years
48 light years
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Nu2 Lupi b
Exoplanet, super-earth
Star: Nu2 Lupi
Distance from the star: 0.0963 AU
Orbit around star: 11.57779 days
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Orbital period
Orbital period of exoplanet Nu2 Lupi b around its star is 11.57779 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: 0.079Basic characteristic
Mass: 4.62 M Earth
Exoplanet mass
Exoplanet Nu2 Lupi b has 4.62 Earth masses, or 0.32 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: 1.643 R Earth | 0.1 R Jupiter
Density: 5743 kg/m3 | 104.17 % Earth
Temperature: 911 K | 637.85 °C
Year of discovery: 2011 (radial velocity)
Other designations of this exoplanet
ν2 Lup b, CD−47° 9919 b, Gaia DR2 5902750168276592256 b, GJ 582 b, HD 136352 b, HIP 75181 b, HR 5699 b, SAO 225697 b
ν2 Lup b, CD−47° 9919 b, Gaia DR2 5902750168276592256 b, GJ 582 b, HD 136352 b, HIP 75181 b, HR 5699 b, SAO 225697 b
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Nu2 Lupi system structure
Exoplanet Nu2 Lupi b orbits star Nu2 Lupi, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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Nu2 Lupi | ||||||||
| Nu2 Lupi b | 0.1 AU | 4.6 M⊕ | 1.6 R⊕ | 11.6 days | |||||
| Nu2 Lupi c | 0.17 AU | 11.3 M⊕ | 2.9 R⊕ | 27.6 days | |||||
| Nu2 Lupi d | 0.42 AU | 8.7 M⊕ | 2.5 R⊕ | 107.1 days | |||||
Comparison
When comparing to the Solar system planets, Nu2 Lupi b has 32 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 84 | 5.67 | 4.62 | 42 | 0.01 | 0.05 | 0.32 | 0.27 |
|
Size | 4.29 | 1.73 | 1.64 | 3.1 | 0.15 | 0.18 | 0.41 | 0.43 |
|
Density | 1.06 | 1.1 | 1.04 | 1.41 | 4.62 | 8.25 | 4.57 | 3.32 |
|
Distance | 0.25 | 0.13 | 0.1 | 0.06 | 0.02 | 0.01 | 0.01 | 0 |
|
Temperature | 2.07 | 1.24 | 3.16 | 4.38 | 5.59 | 6.85 | 11.68 | 12.65 |
Habitability
Habitable zone of the star: 1.1 - 1.6 AU
The planet is too hot to sustain liquid water.
News from this star system
26. 08 2021
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