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Exoplanet TOI-4311 d
(Unconfirmed Exoplanet)
TOI-4311 d is an unconfirmed exoplanet detected around star TOI-4311. More observations are needed to confirm its existence.
Sun distance
440 light years
440 light years
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TOI-4311 d
Exoplanet
Star: TOI-4311
Distance from the star: 0.2100 AU
Orbit around star: 38.94 days
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Orbital period
Orbital period of exoplanet TOI-4311 d around its star is 38.94 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
Eccentricity: 0.22Basic characteristic
Mass: 26.4 M Earth
Exoplanet mass
Exoplanet TOI-4311 d has 26.4 Earth masses, or 1.53 times the mass of Neptune.
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
Temperature: 489.5 K | 216.35 °C
Year of discovery: 2026 (radial velocity)
Other designations of this exoplanet
TOI-4311 d, 2MASS J02464430-3110468 d, Gaia DR3 5064693746900436736 d, TIC 122617317 d, LP 886-41 d
TOI-4311 d, 2MASS J02464430-3110468 d, Gaia DR3 5064693746900436736 d, TIC 122617317 d, LP 886-41 d
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TOI-4311 system structure
Exoplanet TOI-4311 d orbits star TOI-4311, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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TOI-4311 | ||||||||
| TOI-4311 b | 0.02 AU | 4.5 M⊕ | 1.4 R⊕ | 1 days | |||||
| TOI-4311 c | 0.11 AU | 13.6 M⊕ | 2.5 R⊕ | 15.1 days | |||||
| TOI-4311 d unconfirmed |
0.21 AU | 26.4 M⊕ | 38.9 days | ||||||
Comparison
When comparing to the Solar system planets, TOI-4311 d has 1.53 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 480 | 32.39 | 26.4 | 240 | 0.08 | 0.28 | 1.81 | 1.53 |
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Distance | 0.54 | 0.29 | 0.21 | 0.14 | 0.04 | 0.02 | 0.01 | 0.01 |
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Temperature | 1.11 | 0.66 | 1.7 | 2.35 | 3 | 3.68 | 6.28 | 6.8 |
Habitability
Habitable zone of the star: 0.6 - 0.86 AU
The planet is too hot to sustain liquid water.