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Exoplanet KOI-4978 b
Exoplanet KOI-4978 b orbits star KOI-4978 that lies 3086 light years away from the Sun.
It has about 173.75px of Earth radius and orbits its star much closer than Earth orbits Sun.
Sun distance
3086 light years
3086 light years
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KOI-4978 b
Exoplanet, ultra-short period
Star: KOI-4978
Orbit around star: 0.941967 days
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Orbital period
Orbital period of exoplanet KOI-4978 b around its star is 0.941967 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
Size: 0.695 R Earth | 0.1 R Jupiter
Temperature: 253 K | -20.15 °C
Year of discovery: 2017 (transit)
Other designations of this exoplanet
KIC 3428127 b, Kepler-2003 b
KIC 3428127 b, Kepler-2003 b
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KOI-4978 system structure
Exoplanet KOI-4978 b orbits star KOI-4978, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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KOI-4978 | ||||||||
| KOI-4978 b | n/a | 0.7 R⊕ | 0.9 days | ||||||
Comparison
When comparing to the Solar system planets,
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Size | 1.82 | 0.73 | 0.7 | 1.31 | 0.06 | 0.08 | 0.17 | 0.18 |
|
Temperature | 0.58 | 0.34 | 0.88 | 1.22 | 1.55 | 1.9 | 3.24 | 3.51 |