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MCA683: yellow dwarf star with 8 planets

  MCA683.1   MCA683.2   MCA683.3   MCA683.4   MCA683.5   MCA683.6  
MCA683.7
  MCA683.8  

Solar system 'MCA683' comprises the star 'MCA683' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 93 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA683', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MCA683 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 8 planets

MCA683.1 is a small terrestrial planet (3275 km radius) which orbits its star in 24 Earth days, one day on MCA683.1 lasts 31 Earth hours. Its average temperature is 1551 K (1278 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCA683.2 is a very small terrestrial planet (2041 km radius) which orbits its star in 50 Earth days, one day on MCA683.2 lasts 68 Earth hours. Its average temperature is 1199 K (926 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCA683.3 is a large terrestrial planet (7560 km radius) which orbits its star in 329 Earth days, one day on MCA683.3 lasts 12 Earth hours. Its average temperature is 1175 K (902 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
MCA683.4 is a small terrestrial planet (3666 km radius) which orbits its star in 604 Earth days, one day on MCA683.4 lasts 26 Earth hours. Its average temperature is 696 K (423 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
MCA683.5 is a large terrestrial planet (7987 km radius) which orbits its star in 1110 Earth days, one day on MCA683.5 lasts 11 Earth hours. Its average temperature is 387 K (114 C), its atmosphere mainly consists of nitrogen and it has 17 moons.
MCA683.6 is a medium terrestrial planet (5240 km radius) which orbits its star in 2040 Earth days, one day on MCA683.6 lasts 17 Earth hours. Its average temperature is 206 K (-67 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
MCA683.7 is a very large terrestrial planet (9378 km radius) which orbits its star in 3748 Earth days, one day on MCA683.7 lasts 10 Earth hours. Its average temperature is 107 K (-166 C), its atmosphere mainly consists of nitrogen and it has 42 moons.
MCA683.8 is a very large terrestrial planet (11810 km radius) which orbits its star in 6886 Earth days, one day on MCA683.8 lasts 9 Earth hours. Its average temperature is 54 K (-219 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCA683.1MCA683.2MCA683.3MCA683.4MCA683.5
distance from star:11*106 km18*106 km64*106 km97*106 km145*106 km
radius:3275 km2041 km7560 km3666 km7987 km
mass:281*1021 kg68*1021 kg3456*1021 kg394*1021 kg4076*1021 kg
surface gravity: 1.74 m/s2
0.17 Earths
1.08 m/s2
0.11 Earths
4.03 m/s2
0.41 Earths
1.95 m/s2
0.19 Earths
4.26 m/s2
0.43 Earths
escape velocity:3.384 km/s2.108 km/s7.811 km/s3.787 km/s8.253 km/s
year: 18 MCA683.1 days
24 Earth days
17 MCA683.2 days
50 Earth days
658 MCA683.3 days
329 Earth days
557 MCA683.4 days
604 Earth days
2421 MCA683.5 days
1110 Earth days
day:31 hrs68 hrs12 hrs26 hrs11 hrs
axial tilt:238°22°11°
temperature:1551 K
1278 C
1199 K
926 C
1175 K
902 C
696 K
423 C
387 K
114 C
atmosphere:4% H2
1% He
68% N2
26% O2
1% CO2
0% other
5% H2
1% He
57% N2
36% O2
1% CO2
0% other
85% N2
11% O2
4% CO2
0% other
78% N2
19% O2
3% CO2
0% other
93% N2
5% O2
2% CO2
0% other
moons:0013217
rings:00000

planet:MCA683.6MCA683.7MCA683.8
distance from star:218*106 km327*106 km491*106 km
radius:5240 km9378 km11810 km
mass:1151*1021 kg6598*1021 kg13177*1021 kg
surface gravity: 2.79 m/s2
0.28 Earths
5.00 m/s2
0.51 Earths
6.30 m/s2
0.64 Earths
escape velocity:5.414 km/s9.690 km/s12.20 km/s
year: 2880 MCA683.6 days
2040 Earth days
8995 MCA683.7 days
3748 Earth days
18362 MCA683.8 days
6886 Earth days
day:17 hrs10 hrs9 hrs
axial tilt:20°27°15°
temperature:206 K
-67 C
107 K
-166 C
54 K
-219 C
atmosphere:71% N2
27% O2
2% CO2
0% other
96% N2
4% O2
0% other
2% H2
2% He
57% N2
39% O2
0% other
moons:34216
rings:040

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