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Exoplanet TOI 1173 A b
Exoplanet TOI 1173 A b orbits star TOI 1173 A that lies 431 light years away from the Sun.
It weighs about 26.1 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
431 light years
431 light years
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TOI 1173 A b
Exoplanet
Star: TOI 1173 A
Distance from the star: 0.0702 AU
Orbit around star: 7.06387 days
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Orbital period
Orbital period of exoplanet TOI 1173 A b around its star is 7.06387 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: 0.032vBasic characteristic
Mass: 26.1 M Earth
Exoplanet mass
Exoplanet TOI 1173 A b has 26.1 Earth masses, or 1.52 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
Size: 8.1 R Earth | 0.7 R Jupiter
Density: 271 kg/m3 | 4.92 % Earth
Temperature: 864 K | 590.85 °C
Year of discovery: 2024 (transit)
Other designations of this exoplanet
TIC 232967440 b, TYC 4404-396-1 b, MASS J13104376+7046061 b, GSC 04404-00396 b
TIC 232967440 b, TYC 4404-396-1 b, MASS J13104376+7046061 b, GSC 04404-00396 b
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TOI 1173 system structure
Exoplanet TOI 1173 A b orbits star TOI 1173 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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TOI 1173 A | ||||||||
| TOI 1173 A b | 0.07 AU | 26.1 M⊕ | 8.1 R⊕ | 7.1 days | |||||
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TOI 1173 B | 11400 AU | |||||||
Comparison
When comparing to the Solar system planets, TOI 1173 A b has 1.52 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 474.55 | 32.02 | 26.1 | 237.27 | 0.08 | 0.27 | 1.79 | 1.52 |
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Size | 21.15 | 8.53 | 8.1 | 15.28 | 0.72 | 0.89 | 2.03 | 2.13 |
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Density | 0.05 | 0.05 | 0.05 | 0.07 | 0.22 | 0.39 | 0.22 | 0.16 |
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Distance | 0.18 | 0.1 | 0.07 | 0.05 | 0.01 | 0.01 | 0 | 0 |
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Temperature | 1.96 | 1.17 | 3 | 4.15 | 5.3 | 6.5 | 11.08 | 12 |
Habitability
Habitable zone of the star: 0.83 - 1.2 AU
The planet is too hot to sustain liquid water.