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REH850: red giant star with 2 planets


Solar system 'REH850' comprises the star 'REH850' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 86 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'REH850', a red giant class star that contains about 99.99% of the system's known mass and dominates it gravitationally. REH850 is located more than 403 lightyears from the center of the galaxy.

This solar system comprises 2 planets

REH850.1 is a very small terrestrial planet (2433 km radius) which orbits its star in 20 Earth days, one day on REH850.1 lasts 44 Earth hours. Its average temperature is 1728 K (1455 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
REH850.2 is a medium gas giant (20943 km radius) which orbits its star in 4454 Earth days, one day on REH850.2 lasts 2 Earth hours. Its average temperature is 1011 K (738 C), its atmosphere mainly consists of hydrogen, helium and it has 86 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:10*106 km367*106 km
radius:2433 km20943 km
mass:115*1021 kg73486*1021 kg
surface gravity: 1.29 m/s2
0.13 Earths
11.1 m/s2
1.13 Earths
escape velocity:2.511 km/s21.64 km/s
year: 10 REH850.1 days
20 Earth days
53448 REH850.2 days
4454 Earth days
day:44 hrs2 hrs
axial tilt:37°
temperature:1728 K
1455 C
1011 K
738 C
atmosphere:68% N2
31% O2
1% CO2
0% other
83% H2
17% He
0% other

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