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Exoplanet AU Microscopii e
(Unconfirmed Exoplanet)
AU Microscopii e is an unconfirmed exoplanet detected around star AU Microscopii. More observations are needed to confirm its existence.
Sun distance
32 light years
32 light years
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AU Microscopii e
Exoplanet
Star: AU Microscopii
Orbit around star: 12.73812 days
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Orbital period
Orbital period of exoplanet AU Microscopii e around its star is 12.73812 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: 2.9 M Earth
Exoplanet mass
Exoplanet AU Microscopii e has 2.9 Earth masses, or 0.2 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
Other designations of this exoplanet
AU Mic e, Gliese 803 e, GJ 803 e, LDS 720A e, HD 197481 e, HIC 102409 e, HIP 102409 e, LTT 8214 e, NLTT 49807 e, MCC 824 e, 2MASS J20450949-3120266 e, TOI-2221 e, TIC 441420236 e
AU Mic e, Gliese 803 e, GJ 803 e, LDS 720A e, HD 197481 e, HIC 102409 e, HIP 102409 e, LTT 8214 e, NLTT 49807 e, MCC 824 e, 2MASS J20450949-3120266 e, TOI-2221 e, TIC 441420236 e
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AU Microscopii system structure
Exoplanet AU Microscopii e orbits star AU Microscopii, which has lower mass than Sun. It is one of 4 known exoplanets orbiting this star.
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AU Microscopii | ||||||||
| AU Microscopii d unconfirmed |
n/a | 2.9 M⊕ | 33.4 days | ||||||
| AU Microscopii e unconfirmed |
n/a | 2.9 M⊕ | 12.7 days | ||||||
| AU Microscopii b | 0.08 AU | 11.7 M⊕ | 4.2 R⊕ | 8.5 days | |||||
| AU Microscopii c | 0.11 AU | 32.1 M⊕ | 3.1 R⊕ | 18.9 days | |||||
Comparison
When comparing to the Solar system planets, AU Microscopii e has 20 % of mass of Uranus
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 52.73 | 3.56 | 2.9 | 26.36 | 0.01 | 0.03 | 0.2 | 0.17 |
Habitability
Habitable zone of the star: 0.39 - 0.55 AU
The planet has mass comparable to Earth.
News from this star system
20. 01 2023
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