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Exoplanet HR 8799 f
(Unconfirmed Exoplanet)
HR 8799 f is an unconfirmed exoplanet detected around star HR 8799. More observations are needed to confirm its existence.
Sun distance
133 light years
133 light years
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HR 8799 f
Exoplanet, gas giant
Star: HR 8799
Distance from the star: 6.94 AU
Orbit around star: 1 825 days
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Orbital period
Orbital period of exoplanet HR 8799 f around its star is 1 825 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: 0.11Basic characteristic
Mass: 524.547 M Earth
| 1.6506 M Jupiter
Exoplanet mass
Exoplanet HR 8799 f has 524.547 Earth masses (or 1.6506 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: 2026 (imaging)
Other designations of this exoplanet
HD 218396 f, V342 Pegasi f, BD+20 5278 f, FK5 3850 f, GC 32209 f, HIP 114189 f, PPM 115157 f, SAO 91022 f, TYC 1718-2350-1 f
HD 218396 f, V342 Pegasi f, BD+20 5278 f, FK5 3850 f, GC 32209 f, HIP 114189 f, PPM 115157 f, SAO 91022 f, TYC 1718-2350-1 f
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HR 8799 system structure
Exoplanet HR 8799 f orbits star HR 8799, which has bigger mass than Sun. It is one of 5 known exoplanets orbiting this star.
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HR 8799 | ||||||||
| HR 8799 f unconfirmed |
6.94 AU | 524.5 M⊕ | 0 days | ||||||
| HR 8799 e | 16.4 AU | 3051.9 M⊕ | 13.1 R⊕ | 18000 days | |||||
| HR 8799 d | 27 AU | 2638.6 M⊕ | 13.5 R⊕ | 41054 days | |||||
| HR 8799 c | 42.9 AU | 2638.6 M⊕ | 14.6 R⊕ | 82145 days | |||||
| HR 8799 b | 68 AU | 2225.3 M⊕ | 13.5 R⊕ | 164250 days | |||||
Comparison
When comparing to the Solar system planets, HR 8799 f has 1.65 times the mass of Jupiter and it orbits its star a little closer than Saturn.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 9537.22 | 643.62 | 524.55 | 4768.61 | 1.65 | 5.51 | 35.93 | 30.5 |
|
Distance | 17.79 | 9.6 | 6.94 | 4.55 | 1.33 | 0.73 | 0.36 | 0.23 |
Habitability
Habitable zone of the star: 2.5 - 3.7 AU
The planet seems to be close to the outer edge of the habitable zone. It is probably very cold, but environment with higher temperatures might be possible.
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.
News from this star system
15. 03 2023
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