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WJH557: red dwarf star with 2 planets


Solar system 'WJH557' comprises the star 'WJH557' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 175 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WJH557', a red dwarf class star that contains about 99.97% of the system's known mass and dominates it gravitationally. WJH557 is located more than 5285 lightyears from the center of the galaxy.

This solar system comprises 2 planets

WJH557.1 is a massive terrestrial planet (15117 km radius) which orbits its star in 1139 Earth days, one day on WJH557.1 lasts 3 Earth hours. Its average temperature is 1254 K (981 C), its atmosphere mainly consists of hydrogen and it has 132 moons.
WJH557.2 is a medium gas giant (22145 km radius) which orbits its star in 2093 Earth days, one day on WJH557.2 lasts 2 Earth hours. Its average temperature is 1225 K (952 C), its atmosphere mainly consists of hydrogen and it has 43 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:148*106 km222*106 km
radius:15117 km22145 km
mass:27636*1021 kg86879*1021 kg
surface gravity: 8.07 m/s2
0.82 Earths
11.8 m/s2
1.20 Earths
escape velocity:15.62 km/s22.88 km/s
year: 9112 WJH557.1 days
1139 Earth days
25116 WJH557.2 days
2093 Earth days
day:3 hrs2 hrs
axial tilt:
temperature:1254 K
981 C
1225 K
952 C
atmosphere:99% H2
1% He
0% other
94% H2
6% He
0% other

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