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Exoplanet HD 2685 b
Exoplanet HD 2685 b orbits star HD 2685 that lies 644 light years away from the Sun.
It weighs about 375.12908 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
644 light years
644 light years
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HD 2685 b
Exoplanet, gas giant
Star: HD 2685
Distance from the star: 0.0568 AU
Orbit around star: 4.12692 days
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Orbital period
Orbital period of exoplanet HD 2685 b around its star is 4.12692 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: 0.01Basic characteristic
Mass: 375.12908 M Earth
| 1.1804 M Jupiter
Exoplanet mass
Exoplanet HD 2685 b has 375.12908 Earth masses (or 1.1804 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
Size: 16.140836 R Earth | 1.4 R Jupiter
Density: 492 kg/m3 | 8.92 % Earth
Temperature: 2061.0 K | 1787.85 °C
Year of discovery: 2018 (transit)
Other designations of this exoplanet
TOI-135 b, HIP 2268 b, TIC 150035071 b
TOI-135 b, HIP 2268 b, TIC 150035071 b
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Comparison
When comparing to the Solar system planets, HD 2685 b has 1.18 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 | 6820.53 | 460.28 | 375.13 | 3410.26 | 1.18 | 3.94 | 25.69 | 21.81 |
|
Size | 42.15 | 16.99 | 16.14 | 30.45 | 1.44 | 1.77 | 4.04 | 4.25 |
|
Density | 0.09 | 0.09 | 0.09 | 0.12 | 0.4 | 0.71 | 0.39 | 0.28 |
|
Distance | 0.15 | 0.08 | 0.06 | 0.04 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 4.68 | 2.8 | 7.16 | 9.91 | 12.64 | 15.5 | 26.42 | 28.63 |
Habitability
Habitable zone of the star: 2 - 2.9 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.