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Exoplanet Pi Mensae c
Exoplanet Pi Mensae c orbits star Pi Mensae that lies 60 light years away from the Sun.
It weighs about 4.52 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
60 light years
60 light years
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Pi Mensae c
Exoplanet, sub-neptune
Star: Pi Mensae
Distance from the star: 0.06839 AU
Orbit around star: 6.26834 days
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Orbital period
Orbital period of exoplanet Pi Mensae c around its star is 6.26834 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: 4.52 M Earth
Exoplanet mass
Exoplanet Pi Mensae c has 4.52 Earth masses, or 0.31 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: 2.06 R Earth | 0.2 R Jupiter
Density: 2851 kg/m3 | 51.71 % Earth
Temperature: 1169.8 K | 896.65 °C
Year of discovery: 2018 (transit)
Other designations of this exoplanet
π Men c, CD−80° 195 c, CPD−80° 161 c, GJ 9189 c, Gliese 9189 c, HD 39091 c, HIC 26394 c, HIP 26394 c, HR 2022 c, SAO 258421 c, LFT 429 c, LHS 208 c, LTT 2359 c, TOI-144 c, NLTT 15535 c, 2MASS J05370988-8028090 c, TIC 261136679 c, TYC 9386-2614-1 c, WISEA J053711.33-802757.7 c
π Men c, CD−80° 195 c, CPD−80° 161 c, GJ 9189 c, Gliese 9189 c, HD 39091 c, HIC 26394 c, HIP 26394 c, HR 2022 c, SAO 258421 c, LFT 429 c, LHS 208 c, LTT 2359 c, TOI-144 c, NLTT 15535 c, 2MASS J05370988-8028090 c, TIC 261136679 c, TYC 9386-2614-1 c, WISEA J053711.33-802757.7 c
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Pi Mensae system structure
Exoplanet Pi Mensae c orbits star Pi Mensae, which has bigger mass than Sun. It is one of 3 known exoplanets orbiting this star.
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Pi Mensae | ||||||||
| Pi Mensae d | n/a | 13.4 M⊕ | 124.6 days | ||||||
| Pi Mensae c | 0.07 AU | 4.5 M⊕ | 2.1 R⊕ | 6.3 days | |||||
| Pi Mensae b | 3.31 AU | 4005.6 M⊕ | 2088.3 days | ||||||
Comparison
When comparing to the Solar system planets, Pi Mensae c has 31 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 82.18 | 5.55 | 4.52 | 41.09 | 0.01 | 0.05 | 0.31 | 0.26 |
|
Size | 5.38 | 2.17 | 2.06 | 3.89 | 0.18 | 0.23 | 0.52 | 0.54 |
|
Density | 0.53 | 0.54 | 0.52 | 0.7 | 2.29 | 4.09 | 2.27 | 1.65 |
|
Distance | 0.18 | 0.09 | 0.07 | 0.04 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 2.66 | 1.59 | 4.06 | 5.62 | 7.18 | 8.8 | 15 | 16.25 |
Habitability
Habitable zone of the star: 1.4 - 2 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 2851 kg/m3 points to a hot gas planet.
News from this star system
05. 03 2022
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