stars
exoplanets
news
Exoplanet HD 29399 A b
Exoplanet HD 29399 A b orbits star HD 29399 A that lies 144 light years away from the Sun.
It weighs about 499.114 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
144 light years
144 light years
Loading may take a moment.
HD 29399 A b
Exoplanet, gas giant
Star: HD 29399 A
Distance from the star: 1.913 AU
Orbit around star: 892.7 days
+
Orbital period
Orbital period of exoplanet HD 29399 A b around its star is 892.7 days (or 2.4 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
Eccentricity: 0.05Basic characteristic
Mass: 499.114 M Earth
| 1.5705 M Jupiter
Exoplanet mass
Exoplanet HD 29399 A b has 499.114 Earth masses (or 1.5705 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: 2021 (radial velocity)Advertisement
HD 29399 system structure
Exoplanet HD 29399 A b orbits star HD 29399 A, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
|
|
HD 29399 A | ||||||||
| HD 29399 A b | 1.91 AU | 499.1 M⊕ | 892.7 days | ||||||
|
|
HD 29399 B | 1398 AU | |||||||
Comparison
When comparing to the Solar system planets, HD 29399 A b has 1.57 times the mass of Jupiter and it orbits its star between distances of Mars and Jupiter from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 9074.8 | 612.41 | 499.11 | 4537.4 | 1.57 | 5.24 | 34.19 | 29.02 |
|
Distance | 4.91 | 2.65 | 1.91 | 1.26 | 0.37 | 0.2 | 0.1 | 0.06 |