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Exoplanet Kepler-37 d
Exoplanet Kepler-37 d orbits star Kepler-37 that lies 209 light years away from the Sun.
It weighs about 5.4 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
209 light years
209 light years
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Kepler-37 d
Exoplanet, sub-neptune
Star: Kepler-37
Distance from the star: 0.2076 AU
Orbit around star: 29.32 days
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Orbital period
Orbital period of exoplanet Kepler-37 d around its star is 29.32 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: 0.15Basic characteristic
Mass: 5.4 M Earth
Exoplanet mass
Exoplanet Kepler-37 d has 5.4 Earth masses, or 0.37 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: 1.99 R Earth | 0.2 R Jupiter
Density: 3778 kg/m3 | 68.53 % Earth
Temperature: 455 K | 181.85 °C
Year of discovery: 2013 (transit)
Other designations of this exoplanet
UGA-1785 d, KOI-245 d, KIC 8478994,[2] TYC 3131-1199-1 d, BD+44 3020 d, 2MASS J18561431+4431052 d, GSC 03131-01199 d, Gaia DR2 2106674071344722688 d
UGA-1785 d, KOI-245 d, KIC 8478994,[2] TYC 3131-1199-1 d, BD+44 3020 d, 2MASS J18561431+4431052 d, GSC 03131-01199 d, Gaia DR2 2106674071344722688 d
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Kepler-37 system structure
Exoplanet Kepler-37 d orbits star Kepler-37, which has lower mass than Sun. It is one of 4 known exoplanets orbiting this star.
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Kepler-37 | ||||||||
| Kepler-37 b | 0.1 AU | 0 M⊕ | 0.4 R⊕ | 13.4 days | |||||
| Kepler-37 c | 0.14 AU | 0.7 R⊕ | 21.3 days | ||||||
| Kepler-37 d | 0.21 AU | 5.4 M⊕ | 2 R⊕ | 29.3 days | |||||
| Kepler-37 e unconfirmed |
0.25 AU | 51.2 days | |||||||
Comparison
When comparing to the Solar system planets, Kepler-37 d has 37 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 98.18 | 6.63 | 5.4 | 49.09 | 0.02 | 0.06 | 0.37 | 0.31 |
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Size | 5.2 | 2.09 | 1.99 | 3.75 | 0.18 | 0.22 | 0.5 | 0.52 |
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Density | 0.7 | 0.72 | 0.69 | 0.93 | 3.04 | 5.42 | 3 | 2.19 |
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Distance | 0.53 | 0.29 | 0.21 | 0.14 | 0.04 | 0.02 | 0.01 | 0.01 |
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Temperature | 1.03 | 0.62 | 1.58 | 2.19 | 2.79 | 3.42 | 5.83 | 6.32 |