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MDF320: red dwarf star with 4 planets

 
MDF320.1
 
MDF320.2
 
MDF320.3
 
MDF320.4
 

Solar system 'MDF320' comprises the star 'MDF320' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 498 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDF320', a red dwarf class star that contains about 99.36% of the system's known mass and dominates it gravitationally. MDF320 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MDF320.1 is a medium gas giant (29938 km radius) which orbits its star in 20483 Earth days, one day on MDF320.1 lasts 4 Earth hours. Its average temperature is 1512 K (1239 C), its atmosphere mainly consists of hydrogen, helium and it has 159 moons.
MDF320.2 is a medium terrestrial planet (6238 km radius) which orbits its star in 37630 Earth days, one day on MDF320.2 lasts 10 Earth hours. Its average temperature is 1681 K (1408 C), its atmosphere mainly consists of hydrogen, helium and it has 98 moons.
MDF320.3 is a large gas giant (69522 km radius) which orbits its star in 217177 Earth days, one day on MDF320.3 lasts 4 Earth hours. Its average temperature is 1842 K (1569 C), its atmosphere mainly consists of hydrogen, helium and it has 69 moons.
MDF320.4 is a medium gas giant (21160 km radius) which orbits its star in 398979 Earth days, one day on MDF320.4 lasts 4 Earth hours. Its average temperature is 1181 K (908 C), its atmosphere mainly consists of hydrogen and it has 172 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDF320.1MDF320.2MDF320.3MDF320.4
distance from star:1017*106 km1526*106 km4910*106 km7365*106 km
radius:29938 km6238 km69522 km21160 km
mass:214663*1021 kg1941*1021 kg2688170*1021 kg75794*1021 kg
surface gravity: 15.9 m/s2
1.62 Earths
3.32 m/s2
0.33 Earths
37.1 m/s2
3.79 Earths
11.2 m/s2
1.14 Earths
escape velocity:30.93 km/s6.444 km/s71.84 km/s21.86 km/s
year: 122898 MDF320.1 days
20483 Earth days
90312 MDF320.2 days
37630 Earth days
1303062 MDF320.3 days
217177 Earth days
2393874 MDF320.4 days
398979 Earth days
day:4 hrs10 hrs4 hrs4 hrs
axial tilt:
temperature:1512 K
1239 C
1681 K
1408 C
1842 K
1569 C
1181 K
908 C
atmosphere:82% H2
18% He
0% other
77% H2
23% He
0% other
76% H2
24% He
0% other
99% H2
1% He
0% other
moons:1599869172
rings:171821

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