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Exoplanet Barnard star e
Exoplanet Barnard star e orbits star Barnard star that lies 6 light years away from the Sun.
It weighs about 0.193 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
6 light years
6 light years
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Barnard star e
Exoplanet
Star: Barnard star
Distance from the star: 0.0381 AU
Orbit around star: 6.7392 days
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Orbital period
Orbital period of exoplanet Barnard star e around its star is 6.7392 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: 0.04Basic characteristic
Mass: 0.193 M Earth
Exoplanet mass
Exoplanet Barnard star e has 0.193 Earth masses, or 1.75 times the mass of Mars.
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: 340 K | 66.85 °C
Year of discovery: 2025 (radial velocity)
Other designations of this exoplanet
GCTP 4098.00 e, Gl 140-024 e, Gliese 699 e, GJ 699 e, HIC 87937 e, HIP 87937 e, LFT 1385 e, LHS 57 e, LTT 15309 e, Munich 15040 e, Proxima Ophiuchi e, V2500 Ophiuchi e, Velox Barnardi e, Vyssotsky 799 e
GCTP 4098.00 e, Gl 140-024 e, Gliese 699 e, GJ 699 e, HIC 87937 e, HIP 87937 e, LFT 1385 e, LHS 57 e, LTT 15309 e, Munich 15040 e, Proxima Ophiuchi e, V2500 Ophiuchi e, Velox Barnardi e, Vyssotsky 799 e
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Barnard star system structure
Exoplanet Barnard star e orbits star Barnard star, which has much lower mass than Sun. It is one of 4 known exoplanets orbiting this star.
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Barnard star | ||||||||
| Barnard star d | 0.02 AU | 0.3 M⊕ | 2.3 days | ||||||
| Barnard star b | 0.02 AU | 0.3 M⊕ | 3.2 days | ||||||
| Barnard star c | 0.03 AU | 0.3 M⊕ | 4.1 days | ||||||
| Barnard star e | 0.04 AU | 0.2 M⊕ | 6.7 days | ||||||
Comparison
When comparing to the Solar system planets, Barnard star e has 1.75 times the mass of Mars and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 3.51 | 0.24 | 0.19 | 1.75 | 0 | 0 | 0.01 | 0.01 |
|
Distance | 0.1 | 0.05 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
|
Temperature | 0.77 | 0.46 | 1.18 | 1.63 | 2.09 | 2.56 | 4.36 | 4.72 |
Habitability
Habitable zone of the star: 0.3 - 0.44 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.
News from this star system
24. 05 2021
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