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MCA737: red dwarf star with 5 planets

 
MCA737.1
  MCA737.2   MCA737.3  
MCA737.4
 
MCA737.5
 

Solar system 'MCA737' comprises the star 'MCA737' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 226 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA737', a red dwarf class star that contains about 99.94% of the system's known mass and dominates it gravitationally. MCA737 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 5 planets

MCA737.1 is a very large terrestrial planet (9007 km radius) which orbits its star in 492 Earth days, one day on MCA737.1 lasts 8 Earth hours. Its average temperature is 151 K (-122 C), its atmosphere mainly consists of nitrogen and it has 45 moons.
MCA737.2 is a medium terrestrial planet (6169 km radius) which orbits its star in 904 Earth days, one day on MCA737.2 lasts 11 Earth hours. Its average temperature is 134 K (-139 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 9 moons.
MCA737.3 is a very large terrestrial planet (11066 km radius) which orbits its star in 1661 Earth days, one day on MCA737.3 lasts 7 Earth hours. Its average temperature is 89 K (-184 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 18 moons.
MCA737.4 is a medium gas giant (32581 km radius) which orbits its star in 27502 Earth days, one day on MCA737.4 lasts 5 Earth hours. Its average temperature is 1453 K (1180 C), its atmosphere mainly consists of hydrogen, helium and it has 61 moons.
MCA737.5 is a medium gas giant (30263 km radius) which orbits its star in 81920 Earth days, one day on MCA737.5 lasts 5 Earth hours. Its average temperature is 1273 K (1000 C), its atmosphere mainly consists of hydrogen and it has 93 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MCA737.1MCA737.2MCA737.3MCA737.4MCA737.5
distance from star:84*106 km127*106 km190*106 km1238*106 km2563*106 km
radius:9007 km6169 km11066 km32581 km30263 km
mass:5845*1021 kg1878*1021 kg10840*1021 kg276683*1021 kg221730*1021 kg
surface gravity: 4.80 m/s2
0.49 Earths
3.29 m/s2
0.33 Earths
5.90 m/s2
0.60 Earths
17.3 m/s2
1.76 Earths
16.1 m/s2
1.64 Earths
escape velocity:9.307 km/s6.374 km/s11.43 km/s33.66 km/s31.27 km/s
year: 1476 MCA737.1 days
492 Earth days
1972 MCA737.2 days
904 Earth days
5694 MCA737.3 days
1661 Earth days
132009 MCA737.4 days
27502 Earth days
393216 MCA737.5 days
81920 Earth days
day:8 hrs11 hrs7 hrs5 hrs5 hrs
axial tilt:16°25°
temperature:151 K
-122 C
134 K
-139 C
89 K
-184 C
1453 K
1180 C
1273 K
1000 C
atmosphere:82% N2
8% O2
10% CO2
0% other
28% H2
4% He
22% N2
45% O2
1% CO2
0% other
85% N2
4% O2
11% CO2
0% other
86% H2
14% He
0% other
92% H2
8% He
0% other
moons:459186193
rings:6002423

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