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MEG489: red giant star with 3 planets

  MEG489.1  
MEG489.2
  MEG489.3  

Solar system 'MEG489' is a dual star system that comprises the stars 'MEG489.A' and 'MEG489.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 195 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MEG489.A' and 'MEG489.B' that dominate it gravitationally. 'MEG489.A' is a red giant class star that contains about 80% of the system's known mass, 'MEG489.B' is a red giant class star that contains about 19% of the system's known mass.

System 'MEG489' is located more than 2065 lightyears from the center of the galaxy.

This solar system comprises 3 planets

MEG489.1 is a small terrestrial planet (3748 km radius) which orbits its star in 9 Earth days, one day on MEG489.1 lasts 20 Earth hours. Its average temperature is 1804 K (1531 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MEG489.2 is a medium gas giant (38057 km radius) which orbits its star in 8026 Earth days, one day on MEG489.2 lasts 3 Earth hours. Its average temperature is 1981 K (1708 C), its atmosphere mainly consists of hydrogen and it has 59 moons.
MEG489.3 is a large gas giant (44425 km radius) which orbits its star in 14765 Earth days, one day on MEG489.3 lasts 3 Earth hours. Its average temperature is 1300 K (1027 C), its atmosphere mainly consists of hydrogen, helium and it has 136 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MEG489.1MEG489.2MEG489.3
distance from star:6*106 km544*106 km817*106 km
radius:3748 km38057 km44425 km
mass:421*1021 kg440954*1021 kg701410*1021 kg
surface gravity: 2.00 m/s2
0.20 Earths
20.3 m/s2
2.07 Earths
23.7 m/s2
2.42 Earths
escape velocity:3.872 km/s39.32 km/s45.90 km/s
year: 10 MEG489.1 days
9 Earth days
64208 MEG489.2 days
8026 Earth days
118120 MEG489.3 days
14765 Earth days
day:20 hrs3 hrs3 hrs
axial tilt:10°68°
temperature:1804 K
1531 C
1981 K
1708 C
1300 K
1027 C
atmosphere:3% H2
1% He
71% N2
21% O2
4% CO2
0% other
99% H2
1% He
0% other
83% H2
17% He
0% other
moons:059136
rings:020

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