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Exoplanet TOI 1438 d
(Unconfirmed Exoplanet)
TOI 1438 d is an unconfirmed exoplanet detected around star TOI 1438. More observations are needed to confirm its existence.
Sun distance
361 light years
361 light years
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TOI 1438 d
Exoplanet, gas giant
Star: TOI 1438
Distance from the star: 3.6 AU
Orbit around star: 2774 days
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Orbital period
Orbital period of exoplanet TOI 1438 d around its star is 2774 days (or 7.6 years).
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
Eccentricity: 0.25Basic characteristic
Mass: 667.605 M Earth
| 2.1007 M Jupiter
Exoplanet mass
Exoplanet TOI 1438 d has 667.605 Earth masses (or 2.1007 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
Year of discovery: 2025 (radial velocity)
Other designations of this exoplanet
TOI-1438 d
TOI-1438 d
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TOI 1438 system structure
Exoplanet TOI 1438 d orbits star TOI 1438, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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TOI 1438 | ||||||||
| TOI 1438 b | 0.06 AU | 9.4 M⊕ | 3 R⊕ | 5.1 days | |||||
| TOI 1438 c | 0.08 AU | 10.6 M⊕ | 2.8 R⊕ | 9.4 days | |||||
| TOI 1438 d unconfirmed |
3.6 AU | 667.6 M⊕ | 2774 days | ||||||
Comparison
When comparing to the Solar system planets, TOI 1438 d has 2.1 times the mass of Jupiter and it orbits its star a little closer than Jupiter.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 12138.27 | 819.15 | 667.61 | 6069.14 | 2.1 | 7.01 | 45.73 | 38.81 |
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Distance | 9.23 | 4.98 | 3.6 | 2.36 | 0.69 | 0.38 | 0.19 | 0.12 |
Habitability
Habitable zone of the star: 0.86 - 1.2 AU
The planet is too cold to sustain liquid water on its surface. It is however possible that there is environment with higher temperatures on some of its potential moons.
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.