stars
exoplanets
news
Exoplanet HD 195019 A b
Exoplanet HD 195019 A b orbits star HD 195019 A that lies 123 light years away from the Sun.
It weighs about 1173.077 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
123 light years
123 light years
Loading may take a moment.
HD 195019 A b
Exoplanet, gas giant
Star: HD 195019 A
Distance from the star: 0.1388 AU
Orbit around star: 18.20132 days
+
Orbital period
Orbital period of exoplanet HD 195019 A b around its star is 18.20132 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: 0.0138Basic characteristic
Mass: 1173.077 M Earth
| 3.6912 M Jupiter
Exoplanet mass
Exoplanet HD 195019 A b has 1173.077 Earth masses (or 3.6912 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: 1998 (radial velocity)
Other designations of this exoplanet
BD+18° 4505 b, GCRV 12790 b, HD 195019 b, HIC 100970 b, HIP 100970 b, LTT 15981 b, NLTT 49312 b, SAO 106138 b, 2MASS J20281860+1846103 b, Gaia DR2 1815418118373631360 b
BD+18° 4505 b, GCRV 12790 b, HD 195019 b, HIC 100970 b, HIP 100970 b, LTT 15981 b, NLTT 49312 b, SAO 106138 b, 2MASS J20281860+1846103 b, Gaia DR2 1815418118373631360 b
Advertisement
HD 195019 system structure
Exoplanet HD 195019 A b orbits star HD 195019 A, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
|
|
HD 195019 A | ||||||||
| HD 195019 A b | 0.14 AU | 1173.1 M⊕ | 18.2 days | ||||||
|
|
HD 195019 B | 131 AU | |||||||
Comparison
When comparing to the Solar system planets, HD 195019 A b has 3.69 times the mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 21328.67 | 1439.36 | 1173.08 | 10664.34 | 3.69 | 12.32 | 80.35 | 68.2 |
|
Distance | 0.36 | 0.19 | 0.14 | 0.09 | 0.03 | 0.01 | 0.01 | 0 |