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MCK474: yellow dwarf star with 22 planets

  MCK474.1   MCK474.2   MCK474.3  
MCK474.4
  MCK474.5   MCK474.6   MCK474.7  
MCK474.8
 
MCK474.9
 
MCK474.10
 
MCK474.11
  MCK474.12  
MCK474.13
 
MCK474.14
 
MCK474.15
  MCK474.16  
MCK474.17
 
MCK474.18
 
MCK474.19
 
MCK474.20
  MCK474.21   MCK474.22  

Solar system 'MCK474' comprises the star 'MCK474' and the retinue of celestial objects gravitationally bound to it: 22 planets and their 1484 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCK474', a yellow dwarf class star that contains about 99.27% of the system's known mass and dominates it gravitationally. MCK474 is located more than 2819 lightyears from the center of the galaxy.

MCK474.1, the first planet in this system, may feature life forms. Its average temperature is 311K (38C) and it's atmosphere contains 36% of oxygen. One year on MCK474.1 lasts 628 days, one day lasts 23 hours. It's diameter is 23996 km, 1.8 times the diameter of the Earth.

MCK474.2, the second planet in this system, may feature life forms. Its average temperature is 276K (3C) and it's atmosphere contains 46% of oxygen. One year on MCK474.2 lasts 1155 days, one day lasts 41 hours. It's diameter is 7100 km, 0.5 times the diameter of the Earth.

This solar system comprises 22 planets

MCK474.1 is a very large terrestrial planet (11998 km radius) which orbits its star in 628 Earth days, one day on MCK474.1 lasts 23 Earth hours. Its average temperature is 311 K (38 C), its atmosphere mainly consists of nitrogen, oxygen and it has 44 moons.
MCK474.2 is a small terrestrial planet (3550 km radius) which orbits its star in 1155 Earth days, one day on MCK474.2 lasts 41 Earth hours. Its average temperature is 276 K (3 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCK474.3 is a small terrestrial planet (3676 km radius) which orbits its star in 2122 Earth days, one day on MCK474.3 lasts 40 Earth hours. Its average temperature is 184 K (-89 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
MCK474.4 is a small terrestrial planet (3403 km radius) which orbits its star in 3899 Earth days, one day on MCK474.4 lasts 43 Earth hours. Its average temperature is 109 K (-164 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
MCK474.5 is a medium terrestrial planet (5523 km radius) which orbits its star in 7163 Earth days, one day on MCK474.5 lasts 30 Earth hours. Its average temperature is 60 K (-213 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
MCK474.6 is a medium terrestrial planet (5569 km radius) which orbits its star in 13160 Earth days, one day on MCK474.6 lasts 30 Earth hours. Its average temperature is 32 K (-241 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
MCK474.7 is a very large terrestrial planet (11723 km radius) which orbits its star in 24177 Earth days, one day on MCK474.7 lasts 23 Earth hours. Its average temperature is 16 K (-257 C), its atmosphere mainly consists of nitrogen, oxygen and it has 42 moons.
MCK474.8 is a medium terrestrial planet (6993 km radius) which orbits its star in 44416 Earth days, one day on MCK474.8 lasts 27 Earth hours. Its average temperature is 8 K (-265 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 16 moons.
MCK474.9 is a large gas giant (74750 km radius) which orbits its star in 153686 Earth days, one day on MCK474.9 lasts 22 Earth hours. Its average temperature is 1074 K (801 C), its atmosphere mainly consists of hydrogen and it has 84 moons.
MCK474.10 is a medium gas giant (33760 km radius) which orbits its star in 282340 Earth days, one day on MCK474.10 lasts 22 Earth hours. Its average temperature is 1775 K (1502 C), its atmosphere mainly consists of hydrogen and it has 128 moons.
MCK474.11 is a medium gas giant (20526 km radius) which orbits its star in 518691 Earth days, one day on MCK474.11 lasts 22 Earth hours. Its average temperature is 1436 K (1163 C), its atmosphere mainly consists of hydrogen, helium and it has 95 moons.
MCK474.12 is a massive terrestrial planet (16087 km radius) which orbits its star in 952897 Earth days, one day on MCK474.12 lasts 22 Earth hours. Its average temperature is 1299 K (1026 C), its atmosphere mainly consists of hydrogen, helium and it has 171 moons.
MCK474.13 is a large gas giant (56220 km radius) which orbits its star in 1750584 Earth days, one day on MCK474.13 lasts 22 Earth hours. Its average temperature is 1202 K (929 C), its atmosphere mainly consists of hydrogen, helium and it has 127 moons.
MCK474.14 is a large gas giant (60936 km radius) which orbits its star in 3216029 Earth days, one day on MCK474.14 lasts 22 Earth hours. Its average temperature is 1302 K (1029 C), its atmosphere mainly consists of hydrogen and it has 97 moons.
MCK474.15 is a large gas giant (71762 km radius) which orbits its star in 5908223 Earth days, one day on MCK474.15 lasts 22 Earth hours. Its average temperature is 1467 K (1194 C), its atmosphere mainly consists of hydrogen and it has 100 moons.
MCK474.16 is a large gas giant (65578 km radius) which orbits its star in 10854099 Earth days, one day on MCK474.16 lasts 22 Earth hours. Its average temperature is 1240 K (967 C), its atmosphere mainly consists of hydrogen, helium and it has 136 moons.
MCK474.17 is a large gas giant (78928 km radius) which orbits its star in 19940253 Earth days, one day on MCK474.17 lasts 22 Earth hours. Its average temperature is 1342 K (1069 C), its atmosphere mainly consists of hydrogen, helium and it has 101 moons.
MCK474.18 is a large gas giant (50975 km radius) which orbits its star in 36632585 Earth days, one day on MCK474.18 lasts 22 Earth hours. Its average temperature is 1525 K (1252 C), its atmosphere mainly consists of hydrogen and it has 40 moons.
MCK474.19 is a large gas giant (53067 km radius) which orbits its star in 67298355 Earth days, one day on MCK474.19 lasts 22 Earth hours. Its average temperature is 1369 K (1096 C), its atmosphere mainly consists of hydrogen, helium and it has 35 moons.
MCK474.20 is a large gas giant (68253 km radius) which orbits its star in 123634974 Earth days, one day on MCK474.20 lasts 22 Earth hours. Its average temperature is 1494 K (1221 C), its atmosphere mainly consists of hydrogen, helium and it has 151 moons.
MCK474.21 is a large terrestrial planet (7464 km radius) which orbits its star in 162522393 Earth days, one day on MCK474.21 lasts 26 Earth hours. Its average temperature is 1058 K (785 C), its atmosphere mainly consists of and it has 38 moons.
MCK474.22 is a medium terrestrial planet (5648 km radius) which orbits its star in 213641234 Earth days, one day on MCK474.22 lasts 29 Earth hours. Its average temperature is 1831 K (1558 C), its atmosphere mainly consists of and it has 31 moons.
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Planetary Orbits

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Planetary Statistics

planet:MCK474.1MCK474.2MCK474.3MCK474.4MCK474.5
distance from star:99*106 km149*106 km224*106 km336*106 km505*106 km
radius:11998 km3550 km3676 km3403 km5523 km
mass:13817*1021 kg357*1021 kg397*1021 kg315*1021 kg1347*1021 kg
surface gravity: 6.40 m/s2
0.65 Earths
1.89 m/s2
0.19 Earths
1.96 m/s2
0.20 Earths
1.81 m/s2
0.18 Earths
2.94 m/s2
0.30 Earths
escape velocity:12.39 km/s3.663 km/s3.796 km/s3.515 km/s5.705 km/s
year: 655 MCK474.1 days
628 Earth days
676 MCK474.2 days
1155 Earth days
1273 MCK474.3 days
2122 Earth days
2176 MCK474.4 days
3899 Earth days
5730 MCK474.5 days
7163 Earth days
day:23 hrs41 hrs40 hrs43 hrs30 hrs
axial tilt:19°30°11°23°
temperature:311 K
38 C
276 K
3 C
184 K
-89 C
109 K
-164 C
60 K
-213 C
atmosphere:6% H2
2% He
55% N2
36% O2
1% CO2
0% other
4% H2
1% He
48% N2
46% O2
1% CO2
0% other
66% N2
33% O2
1% CO2
0% other
1% H2
1% He
70% N2
25% O2
3% CO2
0% other
76% N2
24% O2
0% other
moons:4403326
rings:00030

planet:MCK474.6MCK474.7MCK474.8MCK474.9MCK474.10
distance from star:757*106 km1136*106 km1704*106 km3899*106 km5848*106 km
radius:5569 km11723 km6993 km74750 km33760 km
mass:1381*1021 kg12888*1021 kg2735*1021 kg3341362*1021 kg307820*1021 kg
surface gravity: 2.97 m/s2
0.30 Earths
6.25 m/s2
0.63 Earths
3.73 m/s2
0.38 Earths
39.9 m/s2
4.07 Earths
18.0 m/s2
1.84 Earths
escape velocity:5.753 km/s12.11 km/s7.225 km/s77.24 km/s34.88 km/s
year: 10528 MCK474.6 days
13160 Earth days
25228 MCK474.7 days
24177 Earth days
39480 MCK474.8 days
44416 Earth days
167657 MCK474.9 days
153686 Earth days
308007 MCK474.10 days
282340 Earth days
day:30 hrs23 hrs27 hrs22 hrs22 hrs
axial tilt:15°21°
temperature:32 K
-241 C
16 K
-257 C
8 K
-265 C
1074 K
801 C
1775 K
1502 C
atmosphere:60% N2
39% O2
1% CO2
0% other
69% N2
29% O2
2% CO2
0% other
70% N2
1% O2
29% CO2
0% other
97% H2
3% He
0% other
98% H2
2% He
0% other
moons:16421684128
rings:0021510

planet:MCK474.11MCK474.12MCK474.13MCK474.14MCK474.15
distance from star:8773*106 km13159*106 km19739*106 km29609*106 km44414*106 km
radius:20526 km16087 km56220 km60936 km71762 km
mass:69183*1021 kg33305*1021 kg1421551*1021 kg1810138*1021 kg2956470*1021 kg
surface gravity: 10.9 m/s2
1.11 Earths
8.58 m/s2
0.87 Earths
30.0 m/s2
3.06 Earths
32.5 m/s2
3.32 Earths
38.3 m/s2
3.91 Earths
escape velocity:21.21 km/s16.62 km/s58.09 km/s62.97 km/s74.15 km/s
year: 565844 MCK474.11 days
518691 Earth days
1039524 MCK474.12 days
952897 Earth days
1909728 MCK474.13 days
1750584 Earth days
3508395 MCK474.14 days
3216029 Earth days
6445334 MCK474.15 days
5908223 Earth days
day:22 hrs22 hrs22 hrs22 hrs22 hrs
axial tilt:16°
temperature:1436 K
1163 C
1299 K
1026 C
1202 K
929 C
1302 K
1029 C
1467 K
1194 C
atmosphere:80% H2
20% He
0% other
84% H2
16% He
0% other
89% H2
11% He
0% other
92% H2
8% He
0% other
99% H2
1% He
0% other
moons:9517112797100
rings:10202122

planet:MCK474.16MCK474.17MCK474.18MCK474.19MCK474.20
distance from star:66622*106 km99933*106 km149900*106 km224850*106 km337275*106 km
radius:65578 km78928 km50975 km53067 km68253 km
mass:2256131*1021 kg3933537*1021 kg1059648*1021 kg1195538*1021 kg2543637*1021 kg
surface gravity: 35.0 m/s2
3.57 Earths
42.1 m/s2
4.30 Earths
27.2 m/s2
2.78 Earths
28.3 m/s2
2.89 Earths
36.4 m/s2
3.72 Earths
escape velocity:67.76 km/s81.56 km/s52.67 km/s54.83 km/s70.53 km/s
year: 11840835 MCK474.16 days
10854099 Earth days
21753003 MCK474.17 days
19940253 Earth days
39962820 MCK474.18 days
36632585 Earth days
73416387 MCK474.19 days
67298355 Earth days
134874517 MCK474.20 days
123634974 Earth days
day:22 hrs22 hrs22 hrs22 hrs22 hrs
axial tilt:14°
temperature:1240 K
967 C
1342 K
1069 C
1525 K
1252 C
1369 K
1096 C
1494 K
1221 C
atmosphere:83% H2
17% He
0% other
86% H2
14% He
0% other
100% H2
0% other
89% H2
11% He
0% other
82% H2
18% He
0% other
moons:1361014035151
rings:0713169

planet:MCK474.21MCK474.22
distance from star:404730*106 km485676*106 km
radius:7464 km5648 km
mass:3326*1021 kg1441*1021 kg
surface gravity: 3.98 m/s2
0.40 Earths
3.01 m/s2
0.30 Earths
escape velocity:7.712 km/s5.835 km/s
year: 150020670 MCK474.21 days
162522393 Earth days
176806538 MCK474.22 days
213641234 Earth days
day:26 hrs29 hrs
axial tilt:25°41°
temperature:1058 K
785 C
1831 K
1558 C
atmosphere:100% other100% other
moons:3831
rings:00

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