stars
exoplanets
news
Exoplanet Gliese 777 A d
Exoplanet Gliese 777 A d orbits star Gliese 777 A that lies 52 light years away from the Sun.
It weighs about 11.508 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
52 light years
52 light years
Loading may take a moment.
Gliese 777 A d
Exoplanet, super-earth
Star: Gliese 777 A
Distance from the star: 0.3886 AU
Orbit around star: 88.69 days
+
Orbital period
Orbital period of exoplanet Gliese 777 A d around its star is 88.69 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: 0.058Basic characteristic
Mass: 11.508 M Earth
Exoplanet mass
Exoplanet Gliese 777 A d has 11.508 Earth masses, or 0.79 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: 2.018 R Earth | 0.2 R Jupiter
Density: 7721 kg/m3 | 140.05 % Earth
Year of discovery: 2020 (radial velocity)
Other designations of this exoplanet
BD+29°3872 d, GJ 777 d, HD 190360 d, HIC 98767 d, HIP 98767 d, HR 7670 d, LHS 3510 d, GJ 9683 d, Gliese 9683 d, 2MASS J20033732+2953493 d, TIC 105999792 d, TYC 2153-2883-1 d, WISEA J200337.97+295343.4 d
BD+29°3872 d, GJ 777 d, HD 190360 d, HIC 98767 d, HIP 98767 d, HR 7670 d, LHS 3510 d, GJ 9683 d, Gliese 9683 d, 2MASS J20033732+2953493 d, TIC 105999792 d, TYC 2153-2883-1 d, WISEA J200337.97+295343.4 d
Advertisement
Gliese 777 system structure
Exoplanet Gliese 777 A d orbits star Gliese 777 A, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
|
|
Gliese 777 A | ||||||||
| Gliese 777 A c | 0.13 AU | 19.1 M⊕ | 17.1 days | ||||||
| Gliese 777 A d | 0.39 AU | 11.5 M⊕ | 2 R⊕ | 88.7 days | |||||
| Gliese 777 A b | 4.01 AU | 495.9 M⊕ | 2915 days | ||||||
|
|
Gliese 777 B | 3000 AU | |||||||
Comparison
When comparing to the Solar system planets, Gliese 777 A d has 79 % of mass of Uranus
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 209.24 | 14.12 | 11.51 | 104.62 | 0.04 | 0.12 | 0.79 | 0.67 |
|
Size | 5.27 | 2.12 | 2.02 | 3.81 | 0.18 | 0.22 | 0.5 | 0.53 |
|
Density | 1.43 | 1.47 | 1.4 | 1.9 | 6.21 | 11.09 | 6.14 | 4.47 |
|
Distance | 1 | 0.54 | 0.39 | 0.25 | 0.07 | 0.04 | 0.02 | 0.01 |