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MHF157 (MHF157): red dwarf star with 9 planets

  MHF157.1   MHF157.2   MHF157.3   MHF157.4   MHF157.5  
MHF157.6
  MHF157.7  
MHF157.8
 
MHF157.9
 

Solar system 'MHF157 (MHF157)' comprises the star 'MHF157' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 489 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MHF157', a red dwarf class star that contains about 98.51% of the system's known mass and dominates it gravitationally. MHF157 is located more than 3978 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MHF157.1 is a medium terrestrial planet (6144 km radius) which orbits its star in 7 Earth days, one day on MHF157.1 lasts 15 Earth hours. Its average temperature is 1879 K (1606 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MHF157.2 is a very large terrestrial planet (11740 km radius) which orbits its star in 40 Earth days, one day on MHF157.2 lasts 10 Earth hours. Its average temperature is 1605 K (1332 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
MHF157.3 is a very large terrestrial planet (11190 km radius) which orbits its star in 424 Earth days, one day on MHF157.3 lasts 10 Earth hours. Its average temperature is 421 K (148 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
MHF157.4 is a very small terrestrial planet (2501 km radius) which orbits its star in 779 Earth days, one day on MHF157.4 lasts 49 Earth hours. Its average temperature is 249 K (-24 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MHF157.5 is a small terrestrial planet (3524 km radius) which orbits its star in 1432 Earth days, one day on MHF157.5 lasts 29 Earth hours. Its average temperature is 138 K (-135 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MHF157.6 is a large gas giant (77352 km radius) which orbits its star in 88225 Earth days, one day on MHF157.6 lasts 9 Earth hours. Its average temperature is 1020 K (747 C), its atmosphere mainly consists of hydrogen, helium and it has 115 moons.
MHF157.7 is a large gas giant (74183 km radius) which orbits its star in 162080 Earth days, one day on MHF157.7 lasts 9 Earth hours. Its average temperature is 1036 K (763 C), its atmosphere mainly consists of hydrogen and it has 130 moons.
MHF157.8 is a large gas giant (52914 km radius) which orbits its star in 299142 Earth days, one day on MHF157.8 lasts 9 Earth hours. Its average temperature is 1099 K (826 C), its atmosphere mainly consists of hydrogen and it has 103 moons.
MHF157.9 is a large gas giant (75379 km radius) which orbits its star in 549559 Earth days, one day on MHF157.9 lasts 9 Earth hours. Its average temperature is 1982 K (1709 C), its atmosphere mainly consists of hydrogen, helium and it has 111 moons.
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Planetary Orbits

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This solar system belongs to user 'zarcania'.

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Planetary Statistics

planet:MHF157.1MHF157.2MHF157.3MHF157.4MHF157.5
distance from star:5*106 km16*106 km76*106 km115*106 km172*106 km
radius:6144 km11740 km11190 km2501 km3524 km
mass:1855*1021 kg12944*1021 kg11209*1021 kg125*1021 kg350*1021 kg
surface gravity: 3.27 m/s2
0.33 Earths
6.26 m/s2
0.64 Earths
5.97 m/s2
0.61 Earths
1.33 m/s2
0.13 Earths
1.88 m/s2
0.19 Earths
escape velocity:6.348 km/s12.13 km/s11.56 km/s2.582 km/s3.641 km/s
year: 11 MHF157.1 days
7 Earth days
96 MHF157.2 days
40 Earth days
1017 MHF157.3 days
424 Earth days
381 MHF157.4 days
779 Earth days
1185 MHF157.5 days
1432 Earth days
day:15 hrs10 hrs10 hrs49 hrs29 hrs
axial tilt:10°180°208°19°179°
temperature:1879 K
1606 C
1605 K
1332 C
421 K
148 C
249 K
-24 C
138 K
-135 C
atmosphere:77% N2
20% O2
3% CO2
0% other
59% N2
40% O2
1% CO2
0% other
73% N2
26% O2
1% CO2
0% other
6% H2
2% He
47% N2
44% O2
1% CO2
0% other
82% N2
11% O2
7% CO2
0% other
moons:082101
rings:00000

planet:MHF157.6MHF157.7MHF157.8MHF157.9
distance from star:2693*106 km4039*106 km6078*106 km9118*106 km
radius:77352 km74183 km52914 km75379 km
mass:3702581*1021 kg3265902*1021 kg1185227*1021 kg3426423*1021 kg
surface gravity: 41.3 m/s2
4.22 Earths
39.6 m/s2
4.04 Earths
28.2 m/s2
2.88 Earths
40.2 m/s2
4.11 Earths
escape velocity:79.93 km/s76.65 km/s54.68 km/s77.89 km/s
year: 235266 MHF157.6 days
88225 Earth days
432213 MHF157.7 days
162080 Earth days
797712 MHF157.8 days
299142 Earth days
1465490 MHF157.9 days
549559 Earth days
day:9 hrs9 hrs9 hrs9 hrs
axial tilt:29°
temperature:1020 K
747 C
1036 K
763 C
1099 K
826 C
1982 K
1709 C
atmosphere:80% H2
20% He
0% other
96% H2
4% He
0% other
93% H2
7% He
0% other
85% H2
15% He
0% other
moons:115130103111
rings:401920

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