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MCA744: red dwarf star with 10 planets

  MCA744.1   MCA744.2   MCA744.3   MCA744.4   MCA744.5  
MCA744.6
 
MCA744.7
 
MCA744.8
  MCA744.9  
MCA744.10
 

Solar system 'MCA744' comprises the star 'MCA744' and the retinue of celestial objects gravitationally bound to it: 10 planets and their 556 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA744', a red dwarf class star that contains about 99.17% of the system's known mass and dominates it gravitationally. MCA744 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 10 planets

MCA744.1 is a very large terrestrial planet (9403 km radius) which orbits its star in 202 Earth days, one day on MCA744.1 lasts 12 Earth hours. Its average temperature is 415 K (142 C), its atmosphere mainly consists of nitrogen and it has 18 moons.
MCA744.2 is a small terrestrial planet (4663 km radius) which orbits its star in 372 Earth days, one day on MCA744.2 lasts 21 Earth hours. Its average temperature is 369 K (96 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCA744.3 is a medium terrestrial planet (5866 km radius) which orbits its star in 740 Earth days, one day on MCA744.3 lasts 17 Earth hours. Its average temperature is 221 K (-52 C), its atmosphere mainly consists of nitrogen, oxygen and it has 12 moons.
MCA744.4 is a medium terrestrial planet (6510 km radius) which orbits its star in 1359 Earth days, one day on MCA744.4 lasts 15 Earth hours. Its average temperature is 131 K (-142 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
MCA744.5 is a very large terrestrial planet (9134 km radius) which orbits its star in 2498 Earth days, one day on MCA744.5 lasts 12 Earth hours. Its average temperature is 72 K (-201 C), its atmosphere mainly consists of nitrogen, oxygen and it has 42 moons.
MCA744.6 is a large gas giant (59041 km radius) which orbits its star in 46531 Earth days, one day on MCA744.6 lasts 10 Earth hours. Its average temperature is 1317 K (1044 C), its atmosphere mainly consists of hydrogen and it has 55 moons.
MCA744.7 is a medium gas giant (30509 km radius) which orbits its star in 111418 Earth days, one day on MCA744.7 lasts 10 Earth hours. Its average temperature is 1207 K (934 C), its atmosphere mainly consists of hydrogen, helium and it has 90 moons.
MCA744.8 is a medium gas giant (29564 km radius) which orbits its star in 204689 Earth days, one day on MCA744.8 lasts 10 Earth hours. Its average temperature is 1746 K (1473 C), its atmosphere mainly consists of hydrogen and it has 147 moons.
MCA744.9 is a large gas giant (70587 km radius) which orbits its star in 376038 Earth days, one day on MCA744.9 lasts 10 Earth hours. Its average temperature is 1319 K (1046 C), its atmosphere mainly consists of hydrogen, helium and it has 70 moons.
MCA744.10 is a large gas giant (65054 km radius) which orbits its star in 690826 Earth days, one day on MCA744.10 lasts 10 Earth hours. Its average temperature is 1390 K (1117 C), its atmosphere mainly consists of hydrogen, helium and it has 109 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MCA744.1MCA744.2MCA744.3MCA744.4MCA744.5
distance from star:46*106 km70*106 km111*106 km166*106 km250*106 km
radius:9403 km4663 km5866 km6510 km9134 km
mass:6651*1021 kg811*1021 kg1614*1021 kg2207*1021 kg6096*1021 kg
surface gravity: 5.02 m/s2
0.51 Earths
2.48 m/s2
0.25 Earths
3.13 m/s2
0.32 Earths
3.47 m/s2
0.35 Earths
4.87 m/s2
0.49 Earths
escape velocity:9.716 km/s4.818 km/s6.060 km/s6.727 km/s9.438 km/s
year: 404 MCA744.1 days
202 Earth days
425 MCA744.2 days
372 Earth days
1044 MCA744.3 days
740 Earth days
2174 MCA744.4 days
1359 Earth days
4996 MCA744.5 days
2498 Earth days
day:12 hrs21 hrs17 hrs15 hrs12 hrs
axial tilt:199°19°24°229°247°
temperature:415 K
142 C
369 K
96 C
221 K
-52 C
131 K
-142 C
72 K
-201 C
atmosphere:84% N2
9% O2
7% CO2
0% other
1% He
65% N2
34% O2
0% other
85% N2
15% O2
0% other
86% N2
14% O2
0% other
3% H2
2% He
68% N2
25% O2
2% CO2
0% other
moons:180121342
rings:00000

planet:MCA744.6MCA744.7MCA744.8MCA744.9MCA744.10
distance from star:1758*106 km3146*106 km4720*106 km7080*106 km10620*106 km
radius:59041 km30509 km29564 km70587 km65054 km
mass:1646459*1021 kg227181*1021 kg206718*1021 kg2813611*1021 kg2202480*1021 kg
surface gravity: 31.5 m/s2
3.22 Earths
16.2 m/s2
1.65 Earths
15.7 m/s2
1.60 Earths
37.6 m/s2
3.84 Earths
34.7 m/s2
3.54 Earths
escape velocity:61.01 km/s31.52 km/s30.55 km/s72.94 km/s67.22 km/s
year: 111674 MCA744.6 days
46531 Earth days
267403 MCA744.7 days
111418 Earth days
491253 MCA744.8 days
204689 Earth days
902491 MCA744.9 days
376038 Earth days
1657982 MCA744.10 days
690826 Earth days
day:10 hrs10 hrs10 hrs10 hrs10 hrs
axial tilt:22°
temperature:1317 K
1044 C
1207 K
934 C
1746 K
1473 C
1319 K
1046 C
1390 K
1117 C
atmosphere:93% H2
7% He
0% other
79% H2
21% He
0% other
95% H2
5% He
0% other
81% H2
19% He
0% other
88% H2
12% He
0% other
moons:559014770109
rings:12202308

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