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WHH157: red dwarf star with 3 planets

  WHH157.1  
WHH157.2
 
WHH157.3
 

Solar system 'WHH157' comprises the star 'WHH157' and the retinue of celestial objects gravitationally bound to it: 3 planets and their 321 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WHH157', a red dwarf class star that contains about 99.82% of the system's known mass and dominates it gravitationally. WHH157 is located more than 4704 lightyears from the center of the galaxy.

This solar system comprises 3 planets

WHH157.1 is a large terrestrial planet (8456 km radius) which orbits its star in 286 Earth days, one day on WHH157.1 lasts 6 Earth hours. Its average temperature is 222 K (-51 C), its atmosphere mainly consists of nitrogen and it has 5 moons.
WHH157.2 is a large gas giant (53769 km radius) which orbits its star in 9845 Earth days, one day on WHH157.2 lasts 3 Earth hours. Its average temperature is 1695 K (1422 C), its atmosphere mainly consists of hydrogen and it has 162 moons.
WHH157.3 is a large terrestrial planet (8730 km radius) which orbits its star in 18086 Earth days, one day on WHH157.3 lasts 6 Earth hours. Its average temperature is 1238 K (965 C), its atmosphere mainly consists of hydrogen, helium and it has 154 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WHH157.1WHH157.2WHH157.3
distance from star:58*106 km624*106 km936*106 km
radius:8456 km53769 km8730 km
mass:4837*1021 kg1243614*1021 kg5322*1021 kg
surface gravity: 4.51 m/s2
0.46 Earths
28.7 m/s2
2.93 Earths
4.66 m/s2
0.47 Earths
escape velocity:8.738 km/s55.56 km/s9.020 km/s
year: 1144 WHH157.1 days
286 Earth days
78760 WHH157.2 days
9845 Earth days
72344 WHH157.3 days
18086 Earth days
day:6 hrs3 hrs6 hrs
axial tilt:12°49°
temperature:222 K
-51 C
1695 K
1422 C
1238 K
965 C
atmosphere:84% N2
8% O2
8% CO2
0% other
100% H2
0% other
88% H2
12% He
0% other
moons:5162154
rings:0156

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