stars
exoplanets
news
Exoplanet HD 27894 b
Exoplanet HD 27894 b orbits star HD 27894 that lies 142 light years away from the Sun.
It weighs about 197.102 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
142 light years
142 light years
Loading may take a moment.
HD 27894 b
Exoplanet
Star: HD 27894
Distance from the star: 0.125 AU
Orbit around star: 18.02 days
+
Orbital period
Orbital period of exoplanet HD 27894 b around its star is 18.02 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: 0.049Basic characteristic
Mass: 197.102 M Earth
| 0.6202 M Jupiter
Exoplanet mass
Exoplanet HD 27894 b has 197.102 Earth masses (or 0.6202 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: 2005 (radial velocity)
Other designations of this exoplanet
CD−59° 829 b, HIP 20277 b, LTT 1953 b
CD−59° 829 b, HIP 20277 b, LTT 1953 b
Advertisement
HD 27894 system structure
Exoplanet HD 27894 b orbits star HD 27894, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
|
|
HD 27894 | ||||||||
| HD 27894 b | 0.13 AU | 197.1 M⊕ | 18 days | ||||||
| HD 27894 c | 0.2 AU | 51.5 M⊕ | 36.1 days | ||||||
| HD 27894 d | 5.36 AU | 2064.2 M⊕ | 5019.5 days | ||||||
Comparison
When comparing to the Solar system planets, HD 27894 b has 62 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 3583.67 | 241.84 | 197.1 | 1791.84 | 0.62 | 2.07 | 13.5 | 11.46 |
|
Distance | 0.32 | 0.17 | 0.13 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 53 - 76.3 AU
The planet is too hot to sustain liquid water.