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MAA397: red dwarf star with 4 planets

  MAA397.1  
MAA397.2
 
MAA397.3
  MAA397.4  

Solar system 'MAA397' comprises the star 'MAA397' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 325 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MAA397', a red dwarf class star that contains about 98.84% of the system's known mass and dominates it gravitationally. MAA397 is located more than 2585 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MAA397.1 is a very small terrestrial planet (2661 km radius) which orbits its star in 19 Earth days, one day on MAA397.1 lasts 39 Earth hours. Its average temperature is 1604 K (1331 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MAA397.2 is a large gas giant (67429 km radius) which orbits its star in 21615 Earth days, one day on MAA397.2 lasts 4 Earth hours. Its average temperature is 1031 K (758 C), its atmosphere mainly consists of hydrogen, helium and it has 87 moons.
MAA397.3 is a medium gas giant (34784 km radius) which orbits its star in 75796 Earth days, one day on MAA397.3 lasts 4 Earth hours. Its average temperature is 1556 K (1283 C), its atmosphere mainly consists of hydrogen and it has 150 moons.
MAA397.4 is a large gas giant (79872 km radius) which orbits its star in 322769 Earth days, one day on MAA397.4 lasts 4 Earth hours. Its average temperature is 1209 K (936 C), its atmosphere mainly consists of hydrogen and it has 88 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MAA397.1MAA397.2MAA397.3MAA397.4
distance from star:9*106 km1054*106 km2434*106 km6394*106 km
radius:2661 km67429 km34784 km79872 km
mass:150*1021 kg2452619*1021 kg336688*1021 kg4076370*1021 kg
surface gravity: 1.41 m/s2
0.14 Earths
36.0 m/s2
3.68 Earths
18.5 m/s2
1.89 Earths
42.6 m/s2
4.35 Earths
escape velocity:2.743 km/s69.68 km/s35.94 km/s82.53 km/s
year: 11 MAA397.1 days
19 Earth days
129690 MAA397.2 days
21615 Earth days
454776 MAA397.3 days
75796 Earth days
1936614 MAA397.4 days
322769 Earth days
day:39 hrs4 hrs4 hrs4 hrs
axial tilt:19°
temperature:1604 K
1331 C
1031 K
758 C
1556 K
1283 C
1209 K
936 C
atmosphere:88% N2
4% O2
8% CO2
0% other
79% H2
21% He
0% other
93% H2
7% He
0% other
97% H2
3% He
0% other
moons:08715088
rings:0490

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