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Exoplanet Gliese 3293 c
Exoplanet Gliese 3293 c orbits star Gliese 3293 that lies 66 light years away from the Sun.
It weighs about 21.09 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
66 light years
66 light years
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Gliese 3293 c
Exoplanet
Star: Gliese 3293
Distance from the star: 0.36175 AU
Orbit around star: 122.6196 days
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Orbital period
Orbital period of exoplanet Gliese 3293 c around its star is 122.6196 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: 0.11Basic characteristic
Mass: 21.09 M Earth
Exoplanet mass
Exoplanet Gliese 3293 c has 21.09 Earth masses, or 1.23 times the mass of Neptune.
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: 2015 (radial velocity)
Other designations of this exoplanet
GJ 3293 c, LHS 1672 c, 2MASS J04283571-2510088 c, Gaia DR2 4893118771316702720 c, LFT 354 c, L 591-6 c, LP 834-42 c, LTT 1993 c, NLTT 13366 c, TIC 178872239 c, WISEA J042835.66-251014.4 c
GJ 3293 c, LHS 1672 c, 2MASS J04283571-2510088 c, Gaia DR2 4893118771316702720 c, LFT 354 c, L 591-6 c, LP 834-42 c, LTT 1993 c, NLTT 13366 c, TIC 178872239 c, WISEA J042835.66-251014.4 c
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Gliese 3293 system structure
Exoplanet Gliese 3293 c orbits star Gliese 3293, which has lower mass than Sun. It is one of 4 known exoplanets orbiting this star.
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Gliese 3293 | ||||||||
| Gliese 3293 e | 0.08 AU | 3.3 M⊕ | - | ||||||
| Gliese 3293 b | 0.14 AU | 23.5 M⊕ | 30.6 days | ||||||
| Gliese 3293 d | 0.19 AU (HZ) | 7.6 M⊕ | 48.1 days | ||||||
| Gliese 3293 c | 0.36 AU | 21.1 M⊕ | 122.6 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 3293 c has 1.23 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 383.45 | 25.88 | 21.09 | 191.73 | 0.07 | 0.22 | 1.44 | 1.23 |
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Distance | 0.93 | 0.5 | 0.36 | 0.24 | 0.07 | 0.04 | 0.02 | 0.01 |
Habitability
Habitable zone of the star: 0.17 - 0.25 AU
The planet seems to be close to the outer edge of the habitable zone. It is probably very cold, but environment with higher temperatures might be possible.
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.