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MCA951: red giant star with 4 planets

  MCA951.1   MCA951.2  
MCA951.3
 
MCA951.4
 

Solar system 'MCA951' comprises the star 'MCA951' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 140 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA951', a red giant class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MCA951 is located more than 2506 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MCA951.1 is a large terrestrial planet (7768 km radius) which orbits its star in 177 Earth days, one day on MCA951.1 lasts 8 Earth hours. Its average temperature is 1120 K (847 C), its atmosphere mainly consists of nitrogen and it has 6 moons.
MCA951.2 is a medium terrestrial planet (5409 km radius) which orbits its star in 326 Earth days, one day on MCA951.2 lasts 12 Earth hours. Its average temperature is 1991 K (1718 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCA951.3 is a medium gas giant (20921 km radius) which orbits its star in 10170 Earth days, one day on MCA951.3 lasts 4 Earth hours. Its average temperature is 1456 K (1183 C), its atmosphere mainly consists of hydrogen, helium and it has 43 moons.
MCA951.4 is a large gas giant (50965 km radius) which orbits its star in 18685 Earth days, one day on MCA951.4 lasts 4 Earth hours. Its average temperature is 1401 K (1128 C), its atmosphere mainly consists of hydrogen and it has 91 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCA951.1MCA951.2MCA951.3MCA951.4
distance from star:42*106 km64*106 km637*106 km956*106 km
radius:7768 km5409 km20921 km50965 km
mass:3749*1021 kg1266*1021 kg73255*1021 kg1059024*1021 kg
surface gravity: 4.14 m/s2
0.42 Earths
2.88 m/s2
0.29 Earths
11.1 m/s2
1.13 Earths
27.2 m/s2
2.78 Earths
escape velocity:8.026 km/s5.589 km/s21.61 km/s52.66 km/s
year: 531 MCA951.1 days
177 Earth days
652 MCA951.2 days
326 Earth days
61020 MCA951.3 days
10170 Earth days
112110 MCA951.4 days
18685 Earth days
day:8 hrs12 hrs4 hrs4 hrs
axial tilt:26°34°
temperature:1120 K
847 C
1991 K
1718 C
1456 K
1183 C
1401 K
1128 C
atmosphere:89% N2
1% O2
10% CO2
0% other
73% N2
25% O2
2% CO2
0% other
87% H2
13% He
0% other
92% H2
8% He
0% other
moons:604391
rings:002420

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