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Exoplanet K2-3 d
Exoplanet K2-3 d orbits star K2-3 that lies 145 light years away from the Sun.
It weighs about 2.801 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
145 light years
145 light years
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K2-3 d
Exoplanet, super-earth
Star: K2-3
Distance from the star: 0.2086 AU
Orbit around star: 44.55646 days
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Orbital period
Orbital period of exoplanet K2-3 d around its star is 44.55646 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: 2.801 M Earth
Exoplanet mass
Exoplanet K2-3 d has 2.801 Earth masses, or 0.19 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
Size: 1.513 R Earth | 0.1 R Jupiter
Density: 4459 kg/m3 | 80.88 % Earth
Temperature: 282 K | 8.85 °C
Year of discovery: 2015 (transit)
Other designations of this exoplanet
EPIC 201367065 d, 2MASS 11292037-0127173 d
EPIC 201367065 d, 2MASS 11292037-0127173 d
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Comparison
When comparing to the Solar system planets, K2-3 d has 19 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 50.93 | 3.44 | 2.8 | 25.46 | 0.01 | 0.03 | 0.19 | 0.16 |
|
Size | 3.95 | 1.59 | 1.51 | 2.85 | 0.13 | 0.17 | 0.38 | 0.4 |
|
Density | 0.83 | 0.85 | 0.81 | 1.09 | 3.58 | 6.4 | 3.55 | 2.58 |
|
Distance | 0.53 | 0.29 | 0.21 | 0.14 | 0.04 | 0.02 | 0.01 | 0.01 |
|
Temperature | 0.64 | 0.38 | 0.98 | 1.36 | 1.73 | 2.12 | 3.62 | 3.92 |
Habitability
Habitable zone of the star: 0.35 - 0.5 AU
The planet's orbit is close to hotter edge of the habitable zone of its star.
The planet has mass comparable to Earth.