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Exoplanet TOI-5646 b
Exoplanet TOI-5646 b orbits star TOI-5646 that lies 1352 light years away from the Sun.
It weighs about 45.93 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
1352 light years
1352 light years
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TOI-5646 b
Exoplanet
Star: TOI-5646
Distance from the star: 0.043 AU
Orbit around star: 2.428 days
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Orbital period
Orbital period of exoplanet TOI-5646 b around its star is 2.428 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: 45.93 M Earth
| 0.1445 M Jupiter
Exoplanet mass
Exoplanet TOI-5646 b has 45.93 Earth masses (or 0.1445 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: 6.61 R Earth | 0.6 R Jupiter
Density: 877 kg/m3 | 15.91 % Earth
Temperature: 1935 K | 1661.85 °C
Year of discovery: 2026 (transit)
Other designations of this exoplanet
TOI-5646 b, TIC 366804698 b, TYC 0305-00246-1 b, 2MASS J13134732+0542077 b, APASS 39236245 b, UCAC4 479-052066 b, Gaia DR3 3717138824247066112 b
TOI-5646 b, TIC 366804698 b, TYC 0305-00246-1 b, 2MASS J13134732+0542077 b, APASS 39236245 b, UCAC4 479-052066 b, Gaia DR3 3717138824247066112 b
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TOI-5646 system structure
Exoplanet TOI-5646 b orbits star TOI-5646, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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TOI-5646 | ||||||||
| TOI-5646 b | 0.04 AU | 45.9 M⊕ | 6.6 R⊕ | 2.4 days | |||||
Comparison
When comparing to the Solar system planets, TOI-5646 b has 48 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 835.09 | 56.36 | 45.93 | 417.55 | 0.14 | 0.48 | 3.15 | 2.67 |
|
Size | 17.26 | 6.96 | 6.61 | 12.47 | 0.59 | 0.73 | 1.65 | 1.74 |
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Density | 0.16 | 0.17 | 0.16 | 0.22 | 0.7 | 1.26 | 0.7 | 0.51 |
|
Distance | 0.11 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
|
Temperature | 4.4 | 2.63 | 6.72 | 9.3 | 11.87 | 14.55 | 24.81 | 26.88 |
Habitability
Habitable zone of the star: 1.8 - 2.7 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.