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MCK398: yellow dwarf star with 17 planets

  MCK398.1   MCK398.2   MCK398.3   MCK398.4   MCK398.5   MCK398.6   MCK398.7   MCK398.8  
MCK398.9
 
MCK398.10
 
MCK398.11
 
MCK398.12
 
MCK398.13
 
MCK398.14
 
MCK398.15
 
MCK398.16
  MCK398.17  

Solar system 'MCK398' comprises the star 'MCK398' and the retinue of celestial objects gravitationally bound to it: 17 planets and their 893 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCK398', a yellow dwarf class star that contains about 99.88% of the system's known mass and dominates it gravitationally. MCK398 is located more than 2819 lightyears from the center of the galaxy.

MCK398.1, the first planet in this system, may feature life forms. Its average temperature is 332K (59C) and it's atmosphere contains 34% of oxygen. One year on MCK398.1 lasts 598 days, one day lasts 19 hours. It's diameter is 19310 km, 1.5 times the diameter of the Earth.

MCK398.2, the second planet in this system, may feature life forms. Its average temperature is 295K (22C) and it's atmosphere contains 41% of oxygen. One year on MCK398.2 lasts 1098 days, one day lasts 73 hours. It's diameter is 4228 km, 0.3 times the diameter of the Earth.

This solar system comprises 17 planets

MCK398.1 is a very large terrestrial planet (9655 km radius) which orbits its star in 598 Earth days, one day on MCK398.1 lasts 19 Earth hours. Its average temperature is 332 K (59 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
MCK398.2 is a very small terrestrial planet (2114 km radius) which orbits its star in 1098 Earth days, one day on MCK398.2 lasts 73 Earth hours. Its average temperature is 295 K (22 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCK398.3 is a very large terrestrial planet (11821 km radius) which orbits its star in 2018 Earth days, one day on MCK398.3 lasts 18 Earth hours. Its average temperature is 197 K (-76 C), its atmosphere mainly consists of nitrogen, oxygen and it has 34 moons.
MCK398.4 is a small terrestrial planet (4959 km radius) which orbits its star in 3709 Earth days, one day on MCK398.4 lasts 27 Earth hours. Its average temperature is 116 K (-157 C), its atmosphere mainly consists of nitrogen and it has 3 moons.
MCK398.5 is a medium terrestrial planet (5605 km radius) which orbits its star in 6813 Earth days, one day on MCK398.5 lasts 24 Earth hours. Its average temperature is 64 K (-209 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 45 moons.
MCK398.6 is a small terrestrial planet (3786 km radius) which orbits its star in 12517 Earth days, one day on MCK398.6 lasts 34 Earth hours. Its average temperature is 34 K (-239 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 16 moons.
MCK398.7 is a large terrestrial planet (7578 km radius) which orbits its star in 22996 Earth days, one day on MCK398.7 lasts 21 Earth hours. Its average temperature is 17 K (-256 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
MCK398.8 is a medium terrestrial planet (5379 km radius) which orbits its star in 42248 Earth days, one day on MCK398.8 lasts 25 Earth hours. Its average temperature is 9 K (-264 C), its atmosphere mainly consists of nitrogen, oxygen and it has 44 moons.
MCK398.9 is a large gas giant (52932 km radius) which orbits its star in 161312 Earth days, one day on MCK398.9 lasts 17 Earth hours. Its average temperature is 1473 K (1200 C), its atmosphere mainly consists of hydrogen, helium and it has 71 moons.
MCK398.10 is a medium gas giant (32178 km radius) which orbits its star in 296349 Earth days, one day on MCK398.10 lasts 17 Earth hours. Its average temperature is 1638 K (1365 C), its atmosphere mainly consists of hydrogen, helium and it has 42 moons.
MCK398.11 is a medium gas giant (33534 km radius) which orbits its star in 544428 Earth days, one day on MCK398.11 lasts 17 Earth hours. Its average temperature is 1136 K (863 C), its atmosphere mainly consists of hydrogen, helium and it has 112 moons.
MCK398.12 is a medium gas giant (35620 km radius) which orbits its star in 1000178 Earth days, one day on MCK398.12 lasts 17 Earth hours. Its average temperature is 1393 K (1120 C), its atmosphere mainly consists of hydrogen and it has 106 moons.
MCK398.13 is a huge terrestrial planet (12847 km radius) which orbits its star in 1837444 Earth days, one day on MCK398.13 lasts 18 Earth hours. Its average temperature is 1064 K (791 C), its atmosphere mainly consists of hydrogen and it has 86 moons.
MCK398.14 is a medium gas giant (29406 km radius) which orbits its star in 3375601 Earth days, one day on MCK398.14 lasts 17 Earth hours. Its average temperature is 1217 K (944 C), its atmosphere mainly consists of hydrogen and it has 96 moons.
MCK398.15 is a medium gas giant (27286 km radius) which orbits its star in 6201376 Earth days, one day on MCK398.15 lasts 17 Earth hours. Its average temperature is 1080 K (807 C), its atmosphere mainly consists of hydrogen, helium and it has 81 moons.
MCK398.16 is a large gas giant (44032 km radius) which orbits its star in 11392655 Earth days, one day on MCK398.16 lasts 17 Earth hours. Its average temperature is 1612 K (1339 C), its atmosphere mainly consists of hydrogen, helium and it has 114 moons.
MCK398.17 is a small terrestrial planetoid (1475 km radius) which orbits its star in 14976034 Earth days, one day on MCK398.17 lasts 135 Earth hours. Its average temperature is 1025 K (752 C), its atmosphere mainly consists of and it has 3 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCK398.1MCK398.2MCK398.3MCK398.4MCK398.5
distance from star:96*106 km144*106 km217*106 km325*106 km488*106 km
radius:9655 km2114 km11821 km4959 km5605 km
mass:7200*1021 kg75*1021 kg13214*1021 kg975*1021 kg1408*1021 kg
surface gravity: 5.15 m/s2
0.52 Earths
1.12 m/s2
0.11 Earths
6.31 m/s2
0.64 Earths
2.64 m/s2
0.26 Earths
2.99 m/s2
0.30 Earths
escape velocity:9.977 km/s2.176 km/s12.21 km/s5.122 km/s5.790 km/s
year: 755 MCK398.1 days
598 Earth days
360 MCK398.2 days
1098 Earth days
2690 MCK398.3 days
2018 Earth days
3296 MCK398.4 days
3709 Earth days
6813 MCK398.5 days
6813 Earth days
day:19 hrs73 hrs18 hrs27 hrs24 hrs
axial tilt:12°133°12°19°
temperature:332 K
59 C
295 K
22 C
197 K
-76 C
116 K
-157 C
64 K
-209 C
atmosphere:6% H2
1% He
58% N2
34% O2
1% CO2
0% other
59% N2
41% O2
0% other
6% H2
2% He
64% N2
28% O2
0% other
91% N2
9% O2
0% other
81% N2
3% O2
16% CO2
0% other
moons:17034345
rings:00000

planet:MCK398.6MCK398.7MCK398.8MCK398.9MCK398.10
distance from star:732*106 km1099*106 km1648*106 km4027*106 km6040*106 km
radius:3786 km7578 km5379 km52932 km32178 km
mass:434*1021 kg3481*1021 kg1245*1021 kg1186437*1021 kg266542*1021 kg
surface gravity: 2.02 m/s2
0.20 Earths
4.04 m/s2
0.41 Earths
2.87 m/s2
0.29 Earths
28.2 m/s2
2.88 Earths
17.1 m/s2
1.74 Earths
escape velocity:3.911 km/s7.830 km/s5.558 km/s54.69 km/s33.25 km/s
year: 8835 MCK398.6 days
12517 Earth days
26281 MCK398.7 days
22996 Earth days
40558 MCK398.8 days
42248 Earth days
227734 MCK398.9 days
161312 Earth days
418375 MCK398.10 days
296349 Earth days
day:34 hrs21 hrs25 hrs17 hrs17 hrs
axial tilt:35°129°12°
temperature:34 K
-239 C
17 K
-256 C
9 K
-264 C
1473 K
1200 C
1638 K
1365 C
atmosphere:13% H2
2% He
50% N2
34% O2
1% CO2
0% other
4% H2
2% He
50% N2
44% O2
0% other
1% He
78% N2
20% O2
1% CO2
0% other
80% H2
20% He
0% other
84% H2
16% He
0% other
moons:1623447142
rings:000118

planet:MCK398.11MCK398.12MCK398.13MCK398.14MCK398.15
distance from star:9061*106 km13591*106 km20387*106 km30581*106 km45872*106 km
radius:33534 km35620 km12847 km29406 km27286 km
mass:301679*1021 kg361552*1021 kg16962*1021 kg203421*1021 kg162521*1021 kg
surface gravity: 17.9 m/s2
1.83 Earths
19.0 m/s2
1.94 Earths
6.85 m/s2
0.70 Earths
15.7 m/s2
1.60 Earths
14.5 m/s2
1.48 Earths
escape velocity:34.65 km/s36.80 km/s13.27 km/s30.38 km/s28.19 km/s
year: 768604 MCK398.11 days
544428 Earth days
1412016 MCK398.12 days
1000178 Earth days
2449925 MCK398.13 days
1837444 Earth days
4765554 MCK398.14 days
3375601 Earth days
8754883 MCK398.15 days
6201376 Earth days
day:17 hrs17 hrs18 hrs17 hrs17 hrs
axial tilt:68°
temperature:1136 K
863 C
1393 K
1120 C
1064 K
791 C
1217 K
944 C
1080 K
807 C
atmosphere:85% H2
15% He
0% other
99% H2
1% He
0% other
91% H2
9% He
0% other
100% H2
0% other
77% H2
23% He
0% other
moons:112106869681
rings:13219217

planet:MCK398.16MCK398.17
distance from star:68808*106 km82569*106 km
radius:44032 km1475 km
mass:682959*1021 kg25*1021 kg
surface gravity: 23.5 m/s2
2.40 Earths
0.76 m/s2
0.07 Earths
escape velocity:45.50 km/s1.504 km/s
year: 16083748 MCK398.16 days
11392655 Earth days
2662406 MCK398.17 days
14976034 Earth days
day:17 hrs135 hrs
axial tilt:30°
temperature:1612 K
1339 C
1025 K
752 C
atmosphere:87% H2
13% He
0% other
100% other
moons:1143
rings:190

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