stars
exoplanets
news
Exoplanet TOI-251 b
Exoplanet TOI-251 b orbits star TOI-251 that lies 326 light years away from the Sun.
It weighs about 317.907 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
326 light years
326 light years
Loading may take a moment.
TOI-251 b
Exoplanet, gas giant
Star: TOI-251
Distance from the star: 0.05741 AU
Orbit around star: 4.9 days
+
Orbital period
Orbital period of exoplanet TOI-251 b around its star is 4.9 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: 317.907 M Earth
| 1.0003 M Jupiter
Exoplanet mass
Exoplanet TOI-251 b has 317.907 Earth masses (or 1.0003 Jupiter masses).
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: 2.735 R Earth | 0.2 R Jupiter
Density: 85674 kg/m3 | 1554.04 % Earth
Year of discovery: 2020 (transit)
Other designations of this exoplanet
CD-37 15287 b, SAO 214606 b, TIC 224225541 b, TYC 7520-369-1 b, GSC 07520-00369 b
CD-37 15287 b, SAO 214606 b, TIC 224225541 b, TYC 7520-369-1 b, GSC 07520-00369 b
Advertisement
Comparison
When comparing to the Solar system planets, and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 5780.13 | 390.07 | 317.91 | 2890.06 | 1 | 3.34 | 21.77 | 18.48 |
|
Size | 7.14 | 2.88 | 2.74 | 5.16 | 0.24 | 0.3 | 0.68 | 0.72 |
|
Density | 15.86 | 16.35 | 15.54 | 21.03 | 68.86 | 123.01 | 68.12 | 49.58 |
|
Distance | 0.15 | 0.08 | 0.06 | 0.04 | 0.01 | 0.01 | 0 | 0 |
Habitability
Habitable zone of the star: 1.3 - 1.8 AU
The planet is too hot to sustain liquid water.