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Exoplanet HD 161098 c
(Unconfirmed Exoplanet)
HD 161098 c is an unconfirmed exoplanet detected around star HD 161098. More observations are needed to confirm its existence.
Sun distance
97 light years
97 light years
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HD 161098 c
Exoplanet
Star: HD 161098
Distance from the star: 1.429 AU
Orbit around star: 682.5 days
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Orbital period
Orbital period of exoplanet HD 161098 c around its star is 682.5 days (or 1.9 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
Basic characteristic
Mass: 7.8 M Earth
Exoplanet mass
Exoplanet HD 161098 c has 7.8 Earth masses, or 0.53 times the mass of Uranus.
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: 192.7 K | -80.45 °C
Year of discovery: 2026 (radial velocity)
Other designations of this exoplanet
HD 161098 c
HD 161098 c
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HD 161098 system structure
Exoplanet HD 161098 c orbits star HD 161098, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 161098 | ||||||||
| HD 161098 b unconfirmed |
0.32 AU | 3.6 M⊕ | 72.6 days | ||||||
| HD 161098 c unconfirmed |
1.43 AU | 7.8 M⊕ | 682.5 days | ||||||
Comparison
When comparing to the Solar system planets, HD 161098 c has 53 % of mass of Uranus and it orbits its star a little closer than Mars.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 141.82 | 9.57 | 7.8 | 70.91 | 0.02 | 0.08 | 0.53 | 0.45 |
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Distance | 3.66 | 1.98 | 1.43 | 0.94 | 0.27 | 0.15 | 0.07 | 0.05 |
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Temperature | 0.44 | 0.26 | 0.67 | 0.93 | 1.18 | 1.45 | 2.47 | 2.68 |
Habitability
Habitable zone of the star: 0.88 - 1.3 AU
The planet is orbiting on the edge of the habitable zone of its star.