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WKH172: red dwarf star with 2 planets

  WKH172.1   WKH172.2  

Solar system 'WKH172' comprises the star 'WKH172' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 51 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WKH172', a red dwarf class star that contains about 98.76% of the system's known mass and dominates it gravitationally. WKH172 is located more than 3925 lightyears from the center of the galaxy.

This solar system comprises 2 planets

WKH172.1 is a large terrestrial planet (8933 km radius) which orbits its star in 128 Earth days, one day on WKH172.1 lasts 5 Earth hours. Its average temperature is 161 K (-112 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
WKH172.2 is a large gas giant (65416 km radius) which orbits its star in 41511 Earth days, one day on WKH172.2 lasts 2 Earth hours. Its average temperature is 1580 K (1307 C), its atmosphere mainly consists of hydrogen and it has 41 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:34*106 km1629*106 km
radius:8933 km65416 km
mass:5702*1021 kg2239452*1021 kg
surface gravity: 4.76 m/s2
0.48 Earths
34.9 m/s2
3.56 Earths
escape velocity:9.230 km/s67.59 km/s
year: 614 WKH172.1 days
128 Earth days
498132 WKH172.2 days
41511 Earth days
day:5 hrs2 hrs
axial tilt:
temperature:161 K
-112 C
1580 K
1307 C
atmosphere:80% N2
18% O2
2% CO2
0% other
97% H2
3% He
0% other

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