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MCA667: yellow dwarf star with 12 planets

  MCA667.1   MCA667.2  
MCA667.3
  MCA667.4   MCA667.5   MCA667.6  
MCA667.7
 
MCA667.8
 
MCA667.9
 
MCA667.10
  MCA667.11  
MCA667.12
 

Solar system 'MCA667' comprises the star 'MCA667' and the retinue of celestial objects gravitationally bound to it: 12 planets and their 727 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA667', a yellow dwarf class star that contains about 99.18% of the system's known mass and dominates it gravitationally. MCA667 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 12 planets

MCA667.1 is a medium terrestrial planet (6772 km radius) which orbits its star in 340 Earth days, one day on MCA667.1 lasts 17 Earth hours. Its average temperature is 432 K (159 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
MCA667.2 is a large terrestrial planet (7948 km radius) which orbits its star in 626 Earth days, one day on MCA667.2 lasts 15 Earth hours. Its average temperature is 384 K (111 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
MCA667.3 is a medium terrestrial planet (5635 km radius) which orbits its star in 1187 Earth days, one day on MCA667.3 lasts 19 Earth hours. Its average temperature is 245 K (-28 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
MCA667.4 is a large terrestrial planet (8974 km radius) which orbits its star in 2182 Earth days, one day on MCA667.4 lasts 15 Earth hours. Its average temperature is 145 K (-128 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 11 moons.
MCA667.5 is a small terrestrial planet (3873 km radius) which orbits its star in 4009 Earth days, one day on MCA667.5 lasts 28 Earth hours. Its average temperature is 80 K (-193 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
MCA667.6 is a small terrestrial planet (4539 km radius) which orbits its star in 7365 Earth days, one day on MCA667.6 lasts 24 Earth hours. Its average temperature is 43 K (-230 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
MCA667.7 is a large gas giant (77703 km radius) which orbits its star in 20833 Earth days, one day on MCA667.7 lasts 12 Earth hours. Its average temperature is 1224 K (951 C), its atmosphere mainly consists of hydrogen, helium and it has 88 moons.
MCA667.8 is a large gas giant (69743 km radius) which orbits its star in 122607 Earth days, one day on MCA667.8 lasts 12 Earth hours. Its average temperature is 1006 K (733 C), its atmosphere mainly consists of hydrogen and it has 125 moons.
MCA667.9 is a large gas giant (79280 km radius) which orbits its star in 225243 Earth days, one day on MCA667.9 lasts 12 Earth hours. Its average temperature is 1628 K (1355 C), its atmosphere mainly consists of hydrogen, helium and it has 124 moons.
MCA667.10 is a small gas giant (18209 km radius) which orbits its star in 413798 Earth days, one day on MCA667.10 lasts 12 Earth hours. Its average temperature is 1824 K (1551 C), its atmosphere mainly consists of hydrogen, helium and it has 93 moons.
MCA667.11 is a large gas giant (41926 km radius) which orbits its star in 760197 Earth days, one day on MCA667.11 lasts 12 Earth hours. Its average temperature is 1164 K (891 C), its atmosphere mainly consists of hydrogen and it has 176 moons.
MCA667.12 is a large gas giant (75805 km radius) which orbits its star in 1396571 Earth days, one day on MCA667.12 lasts 12 Earth hours. Its average temperature is 1093 K (820 C), its atmosphere mainly consists of hydrogen, helium and it has 45 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MCA667.1MCA667.2MCA667.3MCA667.4MCA667.5
distance from star:66*106 km99*106 km152*106 km228*106 km342*106 km
radius:6772 km7948 km5635 km8974 km3873 km
mass:2484*1021 kg4016*1021 kg1431*1021 kg5781*1021 kg464*1021 kg
surface gravity: 3.61 m/s2
0.36 Earths
4.24 m/s2
0.43 Earths
3.00 m/s2
0.30 Earths
4.79 m/s2
0.48 Earths
2.06 m/s2
0.21 Earths
escape velocity:6.997 km/s8.212 km/s5.822 km/s9.273 km/s3.999 km/s
year: 480 MCA667.1 days
340 Earth days
1001 MCA667.2 days
626 Earth days
1499 MCA667.3 days
1187 Earth days
3491 MCA667.4 days
2182 Earth days
3436 MCA667.5 days
4009 Earth days
day:17 hrs15 hrs19 hrs15 hrs28 hrs
axial tilt:28°357°319°16°
temperature:432 K
159 C
384 K
111 C
245 K
-28 C
145 K
-128 C
80 K
-193 C
atmosphere:1% H2
2% He
63% N2
32% O2
2% CO2
0% other
67% N2
31% O2
2% CO2
0% other
2% H2
1% He
75% N2
20% O2
2% CO2
0% other
64% N2
1% O2
35% CO2
0% other
1% He
61% N2
37% O2
1% CO2
0% other
moons:41817112
rings:00600

planet:MCA667.6MCA667.7MCA667.8MCA667.9MCA667.10
distance from star:514*106 km1028*106 km3354*106 km5031*106 km7546*106 km
radius:4539 km77703 km69743 km79280 km18209 km
mass:748*1021 kg3753214*1021 kg2713887*1021 kg3986400*1021 kg48300*1021 kg
surface gravity: 2.42 m/s2
0.24 Earths
41.4 m/s2
4.23 Earths
37.2 m/s2
3.80 Earths
42.3 m/s2
4.32 Earths
9.72 m/s2
0.99 Earths
escape velocity:4.690 km/s80.29 km/s72.07 km/s81.92 km/s18.81 km/s
year: 7365 MCA667.6 days
7365 Earth days
41666 MCA667.7 days
20833 Earth days
245214 MCA667.8 days
122607 Earth days
450486 MCA667.9 days
225243 Earth days
827596 MCA667.10 days
413798 Earth days
day:24 hrs12 hrs12 hrs12 hrs12 hrs
axial tilt:28°
temperature:43 K
-230 C
1224 K
951 C
1006 K
733 C
1628 K
1355 C
1824 K
1551 C
atmosphere:1% H2
3% He
54% N2
42% O2
0% other
88% H2
12% He
0% other
93% H2
7% He
0% other
78% H2
22% He
0% other
80% H2
20% He
0% other
moons:248812512493
rings:051093

planet:MCA667.11MCA667.12
distance from star:11319*106 km16979*106 km
radius:41926 km75805 km
mass:589576*1021 kg3484845*1021 kg
surface gravity: 22.3 m/s2
2.28 Earths
40.4 m/s2
4.13 Earths
escape velocity:43.32 km/s78.33 km/s
year: 1520394 MCA667.11 days
760197 Earth days
2793142 MCA667.12 days
1396571 Earth days
day:12 hrs12 hrs
axial tilt:68°
temperature:1164 K
891 C
1093 K
820 C
atmosphere:90% H2
10% He
0% other
86% H2
14% He
0% other
moons:17645
rings:03

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