stars
exoplanets
news
Exoplanet TOI 2018 b
Exoplanet TOI 2018 b orbits star TOI 2018 that lies 91 light years away from the Sun.
It weighs about 5.862 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
91 light years
91 light years
Loading may take a moment.
TOI 2018 b
Exoplanet, sub-neptune
Star: TOI 2018
Orbit around star: 7.435588 days
+
Orbital period
Orbital period of exoplanet TOI 2018 b around its star is 7.435588 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: 5.862 M Earth
Exoplanet mass
Exoplanet TOI 2018 b has 5.862 Earth masses, or 0.4 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: 2.29 R Earth | 0.2 R Jupiter
Density: 2691 kg/m3 | 48.81 % Earth
Temperature: 652 K | 378.85 °C
Year of discovery: 2019 (transit)
Other designations of this exoplanet
TIC 357501308 b, BD+29 2654 b
TIC 357501308 b, BD+29 2654 b
Advertisement
TOI 2018 system structure
Exoplanet TOI 2018 b orbits star TOI 2018, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
|
|
TOI 2018 | ||||||||
| TOI 2018 b | n/a | 5.9 M⊕ | 2.3 R⊕ | 7.4 days | |||||
| TOI 2018 c | n/a | 3.6 M⊕ | 1.5 R⊕ | 11.2 days | |||||
Comparison
When comparing to the Solar system planets, TOI 2018 b has 40 % of mass of Uranus
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 106.58 | 7.19 | 5.86 | 53.29 | 0.02 | 0.06 | 0.4 | 0.34 |
|
Size | 5.98 | 2.41 | 2.29 | 4.32 | 0.2 | 0.25 | 0.57 | 0.6 |
|
Density | 0.5 | 0.51 | 0.49 | 0.66 | 2.16 | 3.86 | 2.14 | 1.56 |
|
Temperature | 1.48 | 0.88 | 2.26 | 3.13 | 4 | 4.9 | 8.36 | 9.06 |