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MCA890: red dwarf star with 13 planets

  MCA890.1   MCA890.2   MCA890.3   MCA890.4   MCA890.5  
MCA890.6
  MCA890.7  
MCA890.8
  MCA890.9  
MCA890.10
 
MCA890.11
  MCA890.12  
MCA890.13
 

Solar system 'MCA890' comprises the star 'MCA890' and the retinue of celestial objects gravitationally bound to it: 13 planets and their 659 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA890', a red dwarf class star that contains about 96.43% of the system's known mass and dominates it gravitationally. MCA890 is located more than 2578 lightyears from the center of the galaxy.

This solar system comprises 13 planets

MCA890.1 is a very large terrestrial planet (11092 km radius) which orbits its star in 85 Earth days, one day on MCA890.1 lasts 15 Earth hours. Its average temperature is 246 K (-27 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCA890.2 is a very large terrestrial planet (9085 km radius) which orbits its star in 157 Earth days, one day on MCA890.2 lasts 16 Earth hours. Its average temperature is 219 K (-54 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
MCA890.3 is a large terrestrial planet (7153 km radius) which orbits its star in 597 Earth days, one day on MCA890.3 lasts 17 Earth hours. Its average temperature is 55 K (-218 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
MCA890.4 is a very large terrestrial planet (11117 km radius) which orbits its star in 1098 Earth days, one day on MCA890.4 lasts 15 Earth hours. Its average temperature is 32 K (-241 C), its atmosphere mainly consists of nitrogen and it has 28 moons.
MCA890.5 is a large terrestrial planet (7828 km radius) which orbits its star in 2017 Earth days, one day on MCA890.5 lasts 17 Earth hours. Its average temperature is 18 K (-255 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
MCA890.6 is a large gas giant (72110 km radius) which orbits its star in 15198 Earth days, one day on MCA890.6 lasts 13 Earth hours. Its average temperature is 1276 K (1003 C), its atmosphere mainly consists of hydrogen, helium and it has 39 moons.
MCA890.7 is a large gas giant (63144 km radius) which orbits its star in 151484 Earth days, one day on MCA890.7 lasts 13 Earth hours. Its average temperature is 1533 K (1260 C), its atmosphere mainly consists of hydrogen, helium and it has 115 moons.
MCA890.8 is a very large terrestrial planet (10727 km radius) which orbits its star in 278295 Earth days, one day on MCA890.8 lasts 15 Earth hours. Its average temperature is 1555 K (1282 C), its atmosphere mainly consists of hydrogen, helium and it has 54 moons.
MCA890.9 is a medium gas giant (34742 km radius) which orbits its star in 511260 Earth days, one day on MCA890.9 lasts 13 Earth hours. Its average temperature is 1593 K (1320 C), its atmosphere mainly consists of hydrogen and it has 162 moons.
MCA890.10 is a medium gas giant (35506 km radius) which orbits its star in 939246 Earth days, one day on MCA890.10 lasts 13 Earth hours. Its average temperature is 1862 K (1589 C), its atmosphere mainly consists of hydrogen, helium and it has 43 moons.
MCA890.11 is a medium gas giant (26656 km radius) which orbits its star in 1725505 Earth days, one day on MCA890.11 lasts 13 Earth hours. Its average temperature is 1488 K (1215 C), its atmosphere mainly consists of hydrogen, helium and it has 98 moons.
MCA890.12 is a medium terrestrial planet (6676 km radius) which orbits its star in 2268235 Earth days, one day on MCA890.12 lasts 18 Earth hours. Its average temperature is 1075 K (802 C), its atmosphere mainly consists of and it has 60 moons.
MCA890.13 is a large terrestrial planet (8356 km radius) which orbits its star in 2981673 Earth days, one day on MCA890.13 lasts 16 Earth hours. Its average temperature is 1781 K (1508 C), its atmosphere mainly consists of and it has 23 moons.
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Planetary Statistics

planet:MCA890.1MCA890.2MCA890.3MCA890.4MCA890.5
distance from star:26*106 km39*106 km96*106 km144*106 km216*106 km
radius:11092 km9085 km7153 km11117 km7828 km
mass:10917*1021 kg5998*1021 kg2927*1021 kg10991*1021 kg3837*1021 kg
surface gravity: 5.92 m/s2
0.60 Earths
4.85 m/s2
0.49 Earths
3.81 m/s2
0.38 Earths
5.93 m/s2
0.60 Earths
4.17 m/s2
0.42 Earths
escape velocity:11.46 km/s9.387 km/s7.390 km/s11.48 km/s8.088 km/s
year: 136 MCA890.1 days
85 Earth days
235 MCA890.2 days
157 Earth days
842 MCA890.3 days
597 Earth days
1756 MCA890.4 days
1098 Earth days
2847 MCA890.5 days
2017 Earth days
day:15 hrs16 hrs17 hrs15 hrs17 hrs
axial tilt:27°21°10°
temperature:246 K
-27 C
219 K
-54 C
55 K
-218 C
32 K
-241 C
18 K
-255 C
atmosphere:4% H2
1% He
61% N2
33% O2
1% CO2
0% other
71% N2
28% O2
1% CO2
0% other
5% H2
2% He
61% N2
31% O2
1% CO2
0% other
91% N2
8% O2
1% CO2
0% other
53% N2
47% O2
0% other
moons:01452818
rings:00000

planet:MCA890.6MCA890.7MCA890.8MCA890.9MCA890.10
distance from star:833*106 km3861*106 km5792*106 km8689*106 km13033*106 km
radius:72110 km63144 km10727 km34742 km35506 km
mass:2999690*1021 kg2014124*1021 kg9874*1021 kg335470*1021 kg358092*1021 kg
surface gravity: 38.5 m/s2
3.93 Earths
33.7 m/s2
3.44 Earths
5.72 m/s2
0.58 Earths
18.5 m/s2
1.89 Earths
18.9 m/s2
1.93 Earths
escape velocity:74.51 km/s65.25 km/s11.08 km/s35.90 km/s36.69 km/s
year: 28057 MCA890.6 days
15198 Earth days
279662 MCA890.7 days
151484 Earth days
445272 MCA890.8 days
278295 Earth days
943864 MCA890.9 days
511260 Earth days
1733992 MCA890.10 days
939246 Earth days
day:13 hrs13 hrs15 hrs13 hrs13 hrs
axial tilt:
temperature:1276 K
1003 C
1533 K
1260 C
1555 K
1282 C
1593 K
1320 C
1862 K
1589 C
atmosphere:86% H2
14% He
0% other
89% H2
11% He
0% other
83% H2
17% He
0% other
100% H2
0% other
85% H2
15% He
0% other
moons:391155416243
rings:1603013

planet:MCA890.11MCA890.12MCA890.13
distance from star:19550*106 km23461*106 km28153*106 km
radius:26656 km6676 km8356 km
mass:151521*1021 kg2380*1021 kg4667*1021 kg
surface gravity: 14.2 m/s2
1.45 Earths
3.56 m/s2
0.36 Earths
4.46 m/s2
0.45 Earths
escape velocity:27.54 km/s6.898 km/s8.634 km/s
year: 3185547 MCA890.11 days
1725505 Earth days
3024313 MCA890.12 days
2268235 Earth days
4472509 MCA890.13 days
2981673 Earth days
day:13 hrs18 hrs16 hrs
axial tilt:345°
temperature:1488 K
1215 C
1075 K
802 C
1781 K
1508 C
atmosphere:79% H2
21% He
0% other
100% other100% other
moons:986023
rings:2108

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