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MCD638: yellow dwarf star with 20 planets

  MCD638.1   MCD638.2   MCD638.3   MCD638.4   MCD638.5   MCD638.6   MCD638.7   MCD638.8   MCD638.9   MCD638.10   MCD638.11   MCD638.12   MCD638.13   MCD638.14  
MCD638.15
  MCD638.16  
MCD638.17
 
MCD638.18
  MCD638.19  
MCD638.20
 

Solar system 'MCD638' comprises the star 'MCD638' and the retinue of celestial objects gravitationally bound to it: 20 planets and their 948 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCD638', a yellow dwarf class star that contains about 99.53% of the system's known mass and dominates it gravitationally. MCD638 is located more than 2819 lightyears from the center of the galaxy.

MCD638.4, the fourth planet in this system, may feature life forms. Its average temperature is 316K (43C) and it's atmosphere contains 27% of oxygen. One year on MCD638.4 lasts 1265 days, one day lasts 22 hours. It's diameter is 22066 km, 1.7 times the diameter of the Earth.

This solar system comprises 20 planets

MCD638.1 is a small terrestrial planet (4369 km radius) which orbits its star in 47 Earth days, one day on MCD638.1 lasts 33 Earth hours. Its average temperature is 1584 K (1311 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MCD638.2 is a large terrestrial planet (7294 km radius) which orbits its star in 236 Earth days, one day on MCD638.2 lasts 24 Earth hours. Its average temperature is 1478 K (1205 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 5 moons.
MCD638.3 is a medium terrestrial planet (6314 km radius) which orbits its star in 576 Earth days, one day on MCD638.3 lasts 26 Earth hours. Its average temperature is 676 K (403 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
MCD638.4 is a very large terrestrial planet (11033 km radius) which orbits its star in 1265 Earth days, one day on MCD638.4 lasts 22 Earth hours. Its average temperature is 316 K (43 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
MCD638.5 is a small terrestrial planet (4000 km radius) which orbits its star in 2324 Earth days, one day on MCD638.5 lasts 35 Earth hours. Its average temperature is 175 K (-98 C), its atmosphere mainly consists of nitrogen and it has 7 moons.
MCD638.6 is a very large terrestrial planet (9682 km radius) which orbits its star in 4270 Earth days, one day on MCD638.6 lasts 22 Earth hours. Its average temperature is 93 K (-180 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCD638.7 is a large terrestrial planet (7564 km radius) which orbits its star in 7846 Earth days, one day on MCD638.7 lasts 24 Earth hours. Its average temperature is 48 K (-225 C), its atmosphere mainly consists of nitrogen and it has 20 moons.
MCD638.8 is a medium terrestrial planet (5019 km radius) which orbits its star in 14414 Earth days, one day on MCD638.8 lasts 29 Earth hours. Its average temperature is 24 K (-249 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
MCD638.9 is a very large terrestrial planet (10032 km radius) which orbits its star in 26480 Earth days, one day on MCD638.9 lasts 22 Earth hours. Its average temperature is 12 K (-261 C), its atmosphere mainly consists of nitrogen, oxygen and it has 48 moons.
MCD638.10 is a medium terrestrial planet (5254 km radius) which orbits its star in 48647 Earth days, one day on MCD638.10 lasts 29 Earth hours. Its average temperature is 6 K (-267 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
MCD638.11 is a medium terrestrial planet (5444 km radius) which orbits its star in 89370 Earth days, one day on MCD638.11 lasts 28 Earth hours. Its average temperature is 2 K (-271 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
MCD638.12 is a very large terrestrial planet (10988 km radius) which orbits its star in 164184 Earth days, one day on MCD638.12 lasts 22 Earth hours. Its average temperature is 1 K (-272 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
MCD638.13 is a medium terrestrial planet (6465 km radius) which orbits its star in 301626 Earth days, one day on MCD638.13 lasts 25 Earth hours. Its average temperature is 0 K (-273 C), its atmosphere mainly consists of nitrogen, oxygen and it has 44 moons.
MCD638.14 is a medium terrestrial planet (6721 km radius) which orbits its star in 554122 Earth days, one day on MCD638.14 lasts 25 Earth hours. Its average temperature is 1598 K (1325 C), its atmosphere mainly consists of hydrogen, helium and it has 140 moons.
MCD638.15 is a large gas giant (46751 km radius) which orbits its star in 1017988 Earth days, one day on MCD638.15 lasts 20 Earth hours. Its average temperature is 1139 K (866 C), its atmosphere mainly consists of hydrogen, helium and it has 115 moons.
MCD638.16 is a large gas giant (46532 km radius) which orbits its star in 1870163 Earth days, one day on MCD638.16 lasts 20 Earth hours. Its average temperature is 1376 K (1103 C), its atmosphere mainly consists of hydrogen and it has 70 moons.
MCD638.17 is a large gas giant (75597 km radius) which orbits its star in 3435709 Earth days, one day on MCD638.17 lasts 20 Earth hours. Its average temperature is 1192 K (919 C), its atmosphere mainly consists of hydrogen, helium and it has 134 moons.
MCD638.18 is a large gas giant (70429 km radius) which orbits its star in 6311801 Earth days, one day on MCD638.18 lasts 20 Earth hours. Its average temperature is 1098 K (825 C), its atmosphere mainly consists of hydrogen, helium and it has 57 moons.
MCD638.19 is a large gas giant (46366 km radius) which orbits its star in 11595519 Earth days, one day on MCD638.19 lasts 20 Earth hours. Its average temperature is 1361 K (1088 C), its atmosphere mainly consists of hydrogen, helium and it has 123 moons.
MCD638.20 is a medium terrestrial planet (6609 km radius) which orbits its star in 21302330 Earth days, one day on MCD638.20 lasts 25 Earth hours. Its average temperature is 1408 K (1135 C), its atmosphere mainly consists of hydrogen and it has 63 moons.
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Planetary Statistics

planet:MCD638.1MCD638.2MCD638.3MCD638.4MCD638.5
distance from star:17*106 km52*106 km94*106 km158*106 km238*106 km
radius:4369 km7294 km6314 km11033 km4000 km
mass:667*1021 kg3104*1021 kg2013*1021 kg10744*1021 kg512*1021 kg
surface gravity: 2.33 m/s2
0.23 Earths
3.89 m/s2
0.39 Earths
3.37 m/s2
0.34 Earths
5.89 m/s2
0.60 Earths
2.13 m/s2
0.21 Earths
escape velocity:4.514 km/s7.536 km/s6.523 km/s11.40 km/s4.133 km/s
year: 34 MCD638.1 days
47 Earth days
236 MCD638.2 days
236 Earth days
531 MCD638.3 days
576 Earth days
1380 MCD638.4 days
1265 Earth days
1593 MCD638.5 days
2324 Earth days
day:33 hrs24 hrs26 hrs22 hrs35 hrs
axial tilt:346°14°10°13°
temperature:1584 K
1311 C
1478 K
1205 C
676 K
403 C
316 K
43 C
175 K
-98 C
atmosphere:84% N2
10% O2
6% CO2
0% other
84% N2
4% O2
12% CO2
0% other
84% N2
12% O2
4% CO2
0% other
72% N2
27% O2
1% CO2
0% other
89% N2
9% O2
2% CO2
0% other
moons:056257
rings:00000

planet:MCD638.6MCD638.7MCD638.8MCD638.9MCD638.10
distance from star:357*106 km536*106 km804*106 km1207*106 km1811*106 km
radius:9682 km7564 km5019 km10032 km5254 km
mass:7260*1021 kg3462*1021 kg1011*1021 kg8077*1021 kg1160*1021 kg
surface gravity: 5.16 m/s2
0.52 Earths
4.03 m/s2
0.41 Earths
2.67 m/s2
0.27 Earths
5.35 m/s2
0.54 Earths
2.80 m/s2
0.28 Earths
escape velocity:10.00 km/s7.816 km/s5.185 km/s10.36 km/s5.428 km/s
year: 4658 MCD638.6 days
4270 Earth days
7846 MCD638.7 days
7846 Earth days
11928 MCD638.8 days
14414 Earth days
28887 MCD638.9 days
26480 Earth days
40259 MCD638.10 days
48647 Earth days
day:22 hrs24 hrs29 hrs22 hrs29 hrs
axial tilt:28°16°30°
temperature:93 K
-180 C
48 K
-225 C
24 K
-249 C
12 K
-261 C
6 K
-267 C
atmosphere:88% N2
12% O2
0% other
85% N2
8% O2
7% CO2
0% other
55% N2
44% O2
1% CO2
0% other
2% H2
1% He
73% N2
23% O2
1% CO2
0% other
4% H2
2% He
64% N2
28% O2
2% CO2
0% other
moons:020234822
rings:00000

planet:MCD638.11MCD638.12MCD638.13MCD638.14MCD638.15
distance from star:2716*106 km4074*106 km6112*106 km9168*106 km13752*106 km
radius:5444 km10988 km6465 km6721 km46751 km
mass:1290*1021 kg10613*1021 kg2161*1021 kg2428*1021 kg817452*1021 kg
surface gravity: 2.90 m/s2
0.29 Earths
5.86 m/s2
0.59 Earths
3.45 m/s2
0.35 Earths
3.58 m/s2
0.36 Earths
24.9 m/s2
2.54 Earths
escape velocity:5.624 km/s11.35 km/s6.679 km/s6.944 km/s48.31 km/s
year: 76602 MCD638.11 days
89370 Earth days
179109 MCD638.12 days
164184 Earth days
289560 MCD638.13 days
301626 Earth days
531957 MCD638.14 days
554122 Earth days
1221585 MCD638.15 days
1017988 Earth days
day:28 hrs22 hrs25 hrs25 hrs20 hrs
axial tilt:12°24°18°
temperature:2 K
-271 C
1 K
-272 C
0 K
-273 C
1598 K
1325 C
1139 K
866 C
atmosphere:9% H2
2% He
50% N2
38% O2
1% CO2
0% other
52% N2
47% O2
1% CO2
0% other
66% N2
34% O2
0% other
88% H2
12% He
0% other
87% H2
13% He
0% other
moons:222444140115
rings:000010

planet:MCD638.16MCD638.17MCD638.18MCD638.19MCD638.20
distance from star:20628*106 km30943*106 km46415*106 km69622*106 km104434*106 km
radius:46532 km75597 km70429 km46366 km6609 km
mass:806018*1021 kg3456238*1021 kg2794760*1021 kg797423*1021 kg2309*1021 kg
surface gravity: 24.8 m/s2
2.53 Earths
40.3 m/s2
4.12 Earths
37.6 m/s2
3.84 Earths
24.7 m/s2
2.52 Earths
3.52 m/s2
0.35 Earths
escape velocity:48.08 km/s78.12 km/s72.78 km/s47.91 km/s6.829 km/s
year: 2244195 MCD638.16 days
1870163 Earth days
4122850 MCD638.17 days
3435709 Earth days
7574161 MCD638.18 days
6311801 Earth days
13914622 MCD638.19 days
11595519 Earth days
20450236 MCD638.20 days
21302330 Earth days
day:20 hrs20 hrs20 hrs20 hrs25 hrs
axial tilt:46°
temperature:1376 K
1103 C
1192 K
919 C
1098 K
825 C
1361 K
1088 C
1408 K
1135 C
atmosphere:90% H2
10% He
0% other
83% H2
17% He
0% other
76% H2
24% He
0% other
87% H2
13% He
0% other
92% H2
8% He
0% other
moons:701345712363
rings:075012

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