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THH647: red giant star with 2 planets

  THH647.1   THH647.2  

Solar system 'THH647' comprises the star 'THH647' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 15 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'THH647', a red giant class star that contains about 99.99% of the system's known mass and dominates it gravitationally. THH647 is located more than 4031 lightyears from the center of the galaxy.

This solar system comprises 2 planets

THH647.1 is a very small terrestrial planet (2685 km radius) which orbits its star in 4 Earth days, one day on THH647.1 lasts 36 Earth hours. Its average temperature is 1140 K (867 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
THH647.2 is a very large terrestrial planet (9119 km radius) which orbits its star in 526 Earth days, one day on THH647.2 lasts 5 Earth hours. Its average temperature is 986 K (713 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
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Planetary Orbits

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Planetary Statistics

planet:THH647.1THH647.2
distance from star:3*106 km88*106 km
radius:2685 km9119 km
mass:154*1021 kg6066*1021 kg
surface gravity: 1.42 m/s2
0.14 Earths
4.86 m/s2
0.49 Earths
escape velocity:2.766 km/s9.423 km/s
year: 2 THH647.1 days
4 Earth days
2524 THH647.2 days
526 Earth days
day:36 hrs5 hrs
axial tilt:27°
temperature:1140 K
867 C
986 K
713 C
atmosphere:1% H2
1% He
82% N2
13% O2
3% CO2
0% other
67% N2
32% O2
1% CO2
0% other
moons:015
rings:00

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