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Exoplanet HD 103949 b
Exoplanet HD 103949 b orbits star HD 103949 that lies 86 light years away from the Sun.
It weighs about 11.19 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
86 light years
86 light years
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HD 103949 b
Exoplanet
Star: HD 103949
Distance from the star: 0.439 AU
Orbit around star: 120.878 days
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Orbital period
Orbital period of exoplanet HD 103949 b around its star is 120.878 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
Basic characteristic
Mass: 11.19 M Earth
Exoplanet mass
Exoplanet HD 103949 b has 11.19 Earth masses, or 0.77 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
Year of discovery: 2019 (radial velocity)
Other designations of this exoplanet
CD-23 10299 b, CPD-23 5342 b, GSC 06666-00290 b, HIC 58374 b, HIP 58374 b, 2MASS J11581172-2355257 b, SAO 180339 b, TIC 428657118 b, TYC 6666-290-1 b, WISEA J115811.56-235526.6 b
CD-23 10299 b, CPD-23 5342 b, GSC 06666-00290 b, HIC 58374 b, HIP 58374 b, 2MASS J11581172-2355257 b, SAO 180339 b, TIC 428657118 b, TYC 6666-290-1 b, WISEA J115811.56-235526.6 b
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HD 103949 system structure
Exoplanet HD 103949 b orbits star HD 103949, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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HD 103949 | ||||||||
| HD 103949 b | 0.44 AU | 11.2 M⊕ | 120.9 days | ||||||
Comparison
When comparing to the Solar system planets, HD 103949 b has 77 % of mass of Uranus and it orbits its star between distances of Mercury and Venus from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 203.45 | 13.73 | 11.19 | 101.73 | 0.04 | 0.12 | 0.77 | 0.65 |
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Distance | 1.13 | 0.61 | 0.44 | 0.29 | 0.08 | 0.05 | 0.02 | 0.01 |
Habitability
Habitable zone of the star: 0.58 - 0.83 AU
The planet is orbiting on the edge of the habitable zone of its star.