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MDH187: red dwarf star with 5 planets

  MDH187.1  
MDH187.2
 
MDH187.3
  MDH187.4  
MDH187.5
 

Solar system 'MDH187' comprises the star 'MDH187' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 470 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDH187', a red dwarf class star that contains about 99.14% of the system's known mass and dominates it gravitationally. MDH187 is located more than 2192 lightyears from the center of the galaxy.

This solar system comprises 5 planets

MDH187.1 is a very large terrestrial planet (10614 km radius) which orbits its star in 312 Earth days, one day on MDH187.1 lasts 7 Earth hours. Its average temperature is 200 K (-73 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 31 moons.
MDH187.2 is a large gas giant (46470 km radius) which orbits its star in 39113 Earth days, one day on MDH187.2 lasts 5 Earth hours. Its average temperature is 1184 K (911 C), its atmosphere mainly consists of hydrogen, helium and it has 121 moons.
MDH187.3 is a large gas giant (45742 km radius) which orbits its star in 77874 Earth days, one day on MDH187.3 lasts 5 Earth hours. Its average temperature is 1243 K (970 C), its atmosphere mainly consists of hydrogen and it has 111 moons.
MDH187.4 is a large gas giant (65288 km radius) which orbits its star in 143064 Earth days, one day on MDH187.4 lasts 5 Earth hours. Its average temperature is 1051 K (778 C), its atmosphere mainly consists of hydrogen, helium and it has 129 moons.
MDH187.5 is a large gas giant (67714 km radius) which orbits its star in 302558 Earth days, one day on MDH187.5 lasts 5 Earth hours. Its average temperature is 1724 K (1451 C), its atmosphere mainly consists of hydrogen and it has 78 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MDH187.1MDH187.2MDH187.3MDH187.4MDH187.5
distance from star:62*106 km1565*106 km2478*106 km3717*106 km6124*106 km
radius:10614 km46470 km45742 km65288 km67714 km
mass:9565*1021 kg802801*1021 kg765659*1021 kg2226332*1021 kg2483850*1021 kg
surface gravity: 5.66 m/s2
0.57 Earths
24.8 m/s2
2.53 Earths
24.4 m/s2
2.49 Earths
34.8 m/s2
3.55 Earths
36.1 m/s2
3.69 Earths
escape velocity:10.96 km/s48.02 km/s47.26 km/s67.46 km/s69.97 km/s
year: 1069 MDH187.1 days
312 Earth days
187742 MDH187.2 days
39113 Earth days
373795 MDH187.3 days
77874 Earth days
686707 MDH187.4 days
143064 Earth days
1452278 MDH187.5 days
302558 Earth days
day:7 hrs5 hrs5 hrs5 hrs5 hrs
axial tilt:
temperature:200 K
-73 C
1184 K
911 C
1243 K
970 C
1051 K
778 C
1724 K
1451 C
atmosphere:17% H2
3% He
39% N2
40% O2
1% CO2
0% other
87% H2
13% He
0% other
93% H2
7% He
0% other
89% H2
11% He
0% other
95% H2
5% He
0% other
moons:3112111112978
rings:0162109

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