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MHF198: red dwarf star with 4 planets

  MHF198.1   MHF198.2  
MHF198.3
  MHF198.4  

Solar system 'MHF198' comprises the star 'MHF198' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 181 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MHF198', a red dwarf class star that contains about 99.63% of the system's known mass and dominates it gravitationally. MHF198 is located more than 3885 lightyears from the center of the galaxy.

MHF198.1, the first planet in this system, may feature life forms. Its average temperature is 322K (49C) and it's atmosphere contains 1% of oxygen. One year on MHF198.1 lasts 88 days, one day lasts 20 hours. It's diameter is 7706 km, 0.6 times the diameter of the Earth.

This solar system comprises 4 planets

MHF198.1 is a small terrestrial planet (3853 km radius) which orbits its star in 88 Earth days, one day on MHF198.1 lasts 20 Earth hours. Its average temperature is 322 K (49 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
MHF198.2 is a large terrestrial planet (7990 km radius) which orbits its star in 282 Earth days, one day on MHF198.2 lasts 7 Earth hours. Its average temperature is 138 K (-135 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
MHF198.3 is a medium gas giant (33990 km radius) which orbits its star in 521 Earth days, one day on MHF198.3 lasts 4 Earth hours. Its average temperature is 1958 K (1685 C), its atmosphere mainly consists of hydrogen and it has 67 moons.
MHF198.4 is a medium gas giant (39321 km radius) which orbits its star in 26224 Earth days, one day on MHF198.4 lasts 4 Earth hours. Its average temperature is 1577 K (1304 C), its atmosphere mainly consists of hydrogen and it has 91 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MHF198.1MHF198.2MHF198.3MHF198.4
distance from star:27*106 km58*106 km88*106 km1199*106 km
radius:3853 km7990 km33990 km39321 km
mass:457*1021 kg4080*1021 kg314154*1021 kg486366*1021 kg
surface gravity: 2.05 m/s2
0.20 Earths
4.26 m/s2
0.43 Earths
18.1 m/s2
1.85 Earths
20.9 m/s2
2.13 Earths
escape velocity:3.979 km/s8.256 km/s35.12 km/s40.63 km/s
year: 105 MHF198.1 days
88 Earth days
966 MHF198.2 days
282 Earth days
3126 MHF198.3 days
521 Earth days
157344 MHF198.4 days
26224 Earth days
day:20 hrs7 hrs4 hrs4 hrs
axial tilt:113°133°89°
temperature:322 K
49 C
138 K
-135 C
1958 K
1685 C
1577 K
1304 C
atmosphere:70% N2
1% O2
29% CO2
0% other
1% H2
2% He
56% N2
41% O2
0% other
100% H2
0% other
98% H2
2% He
0% other
moons:0236791
rings:00130

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