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MCA643: red dwarf star with 7 planets

  MCA643.1   MCA643.2   MCA643.3   MCA643.4  
MCA643.5
 
MCA643.6
  MCA643.7  

Solar system 'MCA643' comprises the star 'MCA643' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 293 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA643', a red dwarf class star that contains about 99.42% of the system's known mass and dominates it gravitationally. MCA643 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 7 planets

MCA643.1 is a small terrestrial planet (4547 km radius) which orbits its star in 17 Earth days, one day on MCA643.1 lasts 19 Earth hours. Its average temperature is 1683 K (1410 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCA643.2 is a large terrestrial planet (7633 km radius) which orbits its star in 470 Earth days, one day on MCA643.2 lasts 11 Earth hours. Its average temperature is 85 K (-188 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
MCA643.3 is a small terrestrial planet (4876 km radius) which orbits its star in 864 Earth days, one day on MCA643.3 lasts 17 Earth hours. Its average temperature is 57 K (-216 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCA643.4 is a medium gas giant (37688 km radius) which orbits its star in 6442 Earth days, one day on MCA643.4 lasts 7 Earth hours. Its average temperature is 1182 K (909 C), its atmosphere mainly consists of hydrogen, helium and it has 78 moons.
MCA643.5 is a medium gas giant (35949 km radius) which orbits its star in 61684 Earth days, one day on MCA643.5 lasts 7 Earth hours. Its average temperature is 1954 K (1681 C), its atmosphere mainly consists of hydrogen, helium and it has 78 moons.
MCA643.6 is a large gas giant (45693 km radius) which orbits its star in 113321 Earth days, one day on MCA643.6 lasts 7 Earth hours. Its average temperature is 1073 K (800 C), its atmosphere mainly consists of hydrogen, helium and it has 102 moons.
MCA643.7 is a medium terrestrial planet (6653 km radius) which orbits its star in 148965 Earth days, one day on MCA643.7 lasts 12 Earth hours. Its average temperature is 1646 K (1373 C), its atmosphere mainly consists of and it has 22 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCA643.1MCA643.2MCA643.3MCA643.4MCA643.5
distance from star:9*106 km82*106 km123*106 km470*106 km2121*106 km
radius:4547 km7633 km4876 km37688 km35949 km
mass:752*1021 kg3557*1021 kg927*1021 kg428251*1021 kg371663*1021 kg
surface gravity: 2.42 m/s2
0.24 Earths
4.07 m/s2
0.41 Earths
2.60 m/s2
0.26 Earths
20.1 m/s2
2.05 Earths
19.1 m/s2
1.95 Earths
escape velocity:4.698 km/s7.886 km/s5.037 km/s38.94 km/s37.14 km/s
year: 21 MCA643.1 days
17 Earth days
1025 MCA643.2 days
470 Earth days
1219 MCA643.3 days
864 Earth days
22086 MCA643.4 days
6442 Earth days
211488 MCA643.5 days
61684 Earth days
day:19 hrs11 hrs17 hrs7 hrs7 hrs
axial tilt:19°25°29°
temperature:1683 K
1410 C
85 K
-188 C
57 K
-216 C
1182 K
909 C
1954 K
1681 C
atmosphere:6% H2
2% He
50% N2
41% O2
1% CO2
0% other
55% N2
45% O2
0% other
3% H2
1% He
70% N2
23% O2
3% CO2
0% other
86% H2
14% He
0% other
87% H2
13% He
0% other
moons:01307878
rings:00009

planet:MCA643.6MCA643.7
distance from star:3182*106 km3818*106 km
radius:45693 km6653 km
mass:763201*1021 kg2355*1021 kg
surface gravity: 24.3 m/s2
2.48 Earths
3.55 m/s2
0.36 Earths
escape velocity:47.21 km/s6.873 km/s
year: 388529 MCA643.6 days
113321 Earth days
297930 MCA643.7 days
148965 Earth days
day:7 hrs12 hrs
axial tilt:30°
temperature:1073 K
800 C
1646 K
1373 C
atmosphere:79% H2
21% He
0% other
100% other
moons:10222
rings:30

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