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Exoplanet TOI-270 c
Exoplanet TOI-270 c orbits star TOI-270 that lies 73 light years away from the Sun.
It weighs about 6.612 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
73 light years
73 light years
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TOI-270 c
Exoplanet, sub-neptune
Star: TOI-270
Distance from the star: 0.0472 AU
Orbit around star: 5.660172 days
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Orbital period
Orbital period of exoplanet TOI-270 c around its star is 5.660172 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: 6.612 M Earth
Exoplanet mass
Exoplanet TOI-270 c has 6.612 Earth masses, or 0.45 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: 2.42 R Earth | 0.2 R Jupiter
Density: 2572 kg/m3 | 46.65 % Earth
Temperature: 424 K | 150.85 °C
Year of discovery: 2019 (transit)
Other designations of this exoplanet
L 231-32 c, LEHPM 3808 c, 2MASS J04333970-5157222 c, TIC 259377017 c, UCAC4 191-004642 c
L 231-32 c, LEHPM 3808 c, 2MASS J04333970-5157222 c, TIC 259377017 c, UCAC4 191-004642 c
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Comparison
When comparing to the Solar system planets, TOI-270 c has 45 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 120.22 | 8.11 | 6.61 | 60.11 | 0.02 | 0.07 | 0.45 | 0.38 |
|
Size | 6.32 | 2.55 | 2.42 | 4.57 | 0.22 | 0.27 | 0.61 | 0.64 |
|
Density | 0.48 | 0.49 | 0.47 | 0.63 | 2.07 | 3.69 | 2.04 | 1.49 |
|
Distance | 0.12 | 0.07 | 0.05 | 0.03 | 0.01 | 0 | 0 | 0 |
|
Temperature | 0.96 | 0.58 | 1.47 | 2.04 | 2.6 | 3.19 | 5.44 | 5.89 |
Habitability
Habitable zone of the star: 0.14 - 0.21 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 2572 kg/m3 points to a hot gas planet.