stars
exoplanets
news
Exoplanet LHS 1815 b
Exoplanet LHS 1815 b orbits star LHS 1815 that lies 97 light years away from the Sun.
It weighs about 4.196 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
97 light years
97 light years
Loading may take a moment.
LHS 1815 b
Exoplanet, rocky planet
Star: LHS 1815
Distance from the star: 0.0404 AU
Orbit around star: 3.81433 days
+
Orbital period
Orbital period of exoplanet LHS 1815 b around its star is 3.81433 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: 4.196 M Earth
Exoplanet mass
Exoplanet LHS 1815 b has 4.196 Earth masses, or 0.29 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: 1.088 R Earth | 0.1 R Jupiter
Density: 17963 kg/m3 | 325.83 % Earth
Temperature: 617 K | 343.85 °C
Year of discovery: 2020 (transit)
Other designations of this exoplanet
L 181-1 b, GJ 9201 b, Gliese 9201 b, HIC 28754 b, HIP 28754 b, LFT 451 b, LPM 227 b, LTT 2452 b, NLTT 16056 b, 2MASS J06042035-5518468 b, TIC 260004324 b, TYC 8525-1314-1 b, TOI-704 b, WISEA J060421.19-551843.2 b
L 181-1 b, GJ 9201 b, Gliese 9201 b, HIC 28754 b, HIP 28754 b, LFT 451 b, LPM 227 b, LTT 2452 b, NLTT 16056 b, 2MASS J06042035-5518468 b, TIC 260004324 b, TYC 8525-1314-1 b, TOI-704 b, WISEA J060421.19-551843.2 b
Advertisement
LHS 1815 system structure
Exoplanet LHS 1815 b orbits star LHS 1815, which has lower mass than Sun. It is the only known exoplanet orbiting this star
|
|
LHS 1815 | ||||||||
| LHS 1815 b | 0.04 AU | 4.2 M⊕ | 1.1 R⊕ | 3.8 days | |||||
Comparison
When comparing to the Solar system planets, LHS 1815 b has 29 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 76.29 | 5.15 | 4.2 | 38.15 | 0.01 | 0.04 | 0.29 | 0.24 |
|
Size | 2.84 | 1.15 | 1.09 | 2.05 | 0.1 | 0.12 | 0.27 | 0.29 |
|
Density | 3.33 | 3.43 | 3.26 | 4.41 | 14.44 | 25.79 | 14.28 | 10.39 |
|
Distance | 0.1 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
|
Temperature | 1.4 | 0.84 | 2.14 | 2.97 | 3.79 | 4.64 | 7.91 | 8.57 |
Habitability
Habitable zone of the star: 0.23 - 0.34 AU
The planet is too hot to sustain liquid water.