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MCA685: yellow dwarf star with 17 planets

  MCA685.1   MCA685.2   MCA685.3   MCA685.4   MCA685.5   MCA685.6   MCA685.7   MCA685.8   MCA685.9   MCA685.10   MCA685.11   MCA685.12   MCA685.13   MCA685.14  
MCA685.15
 
MCA685.16
  MCA685.17  

Solar system 'MCA685' comprises the star 'MCA685' and the retinue of celestial objects gravitationally bound to it: 17 planets and their 486 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA685', a yellow dwarf class star that contains about 99.92% of the system's known mass and dominates it gravitationally. MCA685 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 17 planets

MCA685.1 is a large terrestrial planet (8828 km radius) which orbits its star in 318 Earth days, one day on MCA685.1 lasts 20 Earth hours. Its average temperature is 407 K (134 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
MCA685.2 is a very large terrestrial planet (10388 km radius) which orbits its star in 584 Earth days, one day on MCA685.2 lasts 19 Earth hours. Its average temperature is 361 K (88 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
MCA685.3 is a large terrestrial planet (7503 km radius) which orbits its star in 1212 Earth days, one day on MCA685.3 lasts 21 Earth hours. Its average temperature is 205 K (-68 C), its atmosphere mainly consists of nitrogen and it has 3 moons.
MCA685.4 is a very small terrestrial planet (2978 km radius) which orbits its star in 2226 Earth days, one day on MCA685.4 lasts 45 Earth hours. Its average temperature is 121 K (-152 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
MCA685.5 is a medium terrestrial planet (6502 km radius) which orbits its star in 4090 Earth days, one day on MCA685.5 lasts 22 Earth hours. Its average temperature is 67 K (-206 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
MCA685.6 is a very small terrestrial planet (2285 km radius) which orbits its star in 7514 Earth days, one day on MCA685.6 lasts 65 Earth hours. Its average temperature is 36 K (-237 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCA685.7 is a very small terrestrial planet (2004 km radius) which orbits its star in 13805 Earth days, one day on MCA685.7 lasts 79 Earth hours. Its average temperature is 18 K (-255 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
MCA685.8 is a medium terrestrial planet (6559 km radius) which orbits its star in 25362 Earth days, one day on MCA685.8 lasts 22 Earth hours. Its average temperature is 9 K (-264 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
MCA685.9 is a large terrestrial planet (8902 km radius) which orbits its star in 46593 Earth days, one day on MCA685.9 lasts 20 Earth hours. Its average temperature is 4 K (-269 C), its atmosphere mainly consists of nitrogen, oxygen and it has 43 moons.
MCA685.10 is a medium terrestrial planet (5886 km radius) which orbits its star in 85597 Earth days, one day on MCA685.10 lasts 24 Earth hours. Its average temperature is 2 K (-271 C), its atmosphere mainly consists of nitrogen, oxygen and it has 44 moons.
MCA685.11 is a small terrestrial planet (3138 km radius) which orbits its star in 157253 Earth days, one day on MCA685.11 lasts 42 Earth hours. Its average temperature is 1 K (-272 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
MCA685.12 is a small terrestrial planet (3183 km radius) which orbits its star in 288893 Earth days, one day on MCA685.12 lasts 41 Earth hours. Its average temperature is 0 K (-273 C), its atmosphere mainly consists of nitrogen and it has 22 moons.
MCA685.13 is a medium terrestrial planet (6595 km radius) which orbits its star in 530730 Earth days, one day on MCA685.13 lasts 22 Earth hours. Its average temperature is 0 K (-273 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 42 moons.
MCA685.14 is a very large terrestrial planet (10666 km radius) which orbits its star in 975013 Earth days, one day on MCA685.14 lasts 19 Earth hours. Its average temperature is 0 K (-273 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
MCA685.15 is a large gas giant (49390 km radius) which orbits its star in 1791214 Earth days, one day on MCA685.15 lasts 17 Earth hours. Its average temperature is 1350 K (1077 C), its atmosphere mainly consists of hydrogen and it has 105 moons.
MCA685.16 is a medium gas giant (21980 km radius) which orbits its star in 3290671 Earth days, one day on MCA685.16 lasts 17 Earth hours. Its average temperature is 1944 K (1671 C), its atmosphere mainly consists of hydrogen and it has 104 moons.
MCA685.17 is a medium terrestrial planet (6712 km radius) which orbits its star in 4325699 Earth days, one day on MCA685.17 lasts 22 Earth hours. Its average temperature is 1630 K (1357 C), its atmosphere mainly consists of and it has 10 moons.
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Planetary Orbits

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Planetary Statistics

planet:MCA685.1MCA685.2MCA685.3MCA685.4MCA685.5
distance from star:63*106 km95*106 km154*106 km231*106 km347*106 km
radius:8828 km10388 km7503 km2978 km6502 km
mass:5503*1021 kg8967*1021 kg3379*1021 kg211*1021 kg2199*1021 kg
surface gravity: 4.71 m/s2
0.48 Earths
5.54 m/s2
0.56 Earths
4.00 m/s2
0.40 Earths
1.58 m/s2
0.16 Earths
3.47 m/s2
0.35 Earths
escape velocity:9.121 km/s10.73 km/s7.753 km/s3.075 km/s6.719 km/s
year: 381 MCA685.1 days
318 Earth days
737 MCA685.2 days
584 Earth days
1385 MCA685.3 days
1212 Earth days
1187 MCA685.4 days
2226 Earth days
4461 MCA685.5 days
4090 Earth days
day:20 hrs19 hrs21 hrs45 hrs22 hrs
axial tilt:132°12°30°169°
temperature:407 K
134 C
361 K
88 C
205 K
-68 C
121 K
-152 C
67 K
-206 C
atmosphere:81% N2
19% O2
0% other
62% N2
38% O2
0% other
84% N2
10% O2
6% CO2
0% other
2% H2
3% He
61% N2
34% O2
0% other
2% H2
1% He
79% N2
17% O2
1% CO2
0% other
moons:8193217
rings:00000

planet:MCA685.6MCA685.7MCA685.8MCA685.9MCA685.10
distance from star:521*106 km782*106 km1173*106 km1759*106 km2639*106 km
radius:2285 km2004 km6559 km8902 km5886 km
mass:95*1021 kg64*1021 kg2257*1021 kg5643*1021 kg1631*1021 kg
surface gravity: 1.21 m/s2
0.12 Earths
1.06 m/s2
0.10 Earths
3.50 m/s2
0.35 Earths
4.75 m/s2
0.48 Earths
3.14 m/s2
0.32 Earths
escape velocity:2.355 km/s2.064 km/s6.777 km/s9.198 km/s6.081 km/s
year: 2774 MCA685.6 days
7514 Earth days
4193 MCA685.7 days
13805 Earth days
27667 MCA685.8 days
25362 Earth days
55911 MCA685.9 days
46593 Earth days
85597 MCA685.10 days
85597 Earth days
day:65 hrs79 hrs22 hrs20 hrs24 hrs
axial tilt:30°11°10°20°
temperature:36 K
-237 C
18 K
-255 C
9 K
-264 C
4 K
-269 C
2 K
-271 C
atmosphere:1% H2
1% He
71% N2
24% O2
3% CO2
0% other
22% H2
4% He
33% N2
41% O2
0% other
85% N2
15% O2
0% other
78% N2
21% O2
1% CO2
0% other
74% N2
26% O2
0% other
moons:01254344
rings:00000

planet:MCA685.11MCA685.12MCA685.13MCA685.14MCA685.15
distance from star:3959*106 km5939*106 km8908*106 km13362*106 km20044*106 km
radius:3138 km3183 km6595 km10666 km49390 km
mass:247*1021 kg257*1021 kg2294*1021 kg9707*1021 kg963844*1021 kg
surface gravity: 1.67 m/s2
0.17 Earths
1.69 m/s2
0.17 Earths
3.52 m/s2
0.35 Earths
5.69 m/s2
0.58 Earths
26.3 m/s2
2.68 Earths
escape velocity:3.241 km/s3.282 km/s6.814 km/s11.02 km/s51.03 km/s
year: 89858 MCA685.11 days
157253 Earth days
169108 MCA685.12 days
288893 Earth days
578978 MCA685.13 days
530730 Earth days
1231595 MCA685.14 days
975013 Earth days
2528772 MCA685.15 days
1791214 Earth days
day:42 hrs41 hrs22 hrs19 hrs17 hrs
axial tilt:20°23°13°28°
temperature:1 K
-272 C
0 K
-273 C
0 K
-273 C
0 K
-273 C
1350 K
1077 C
atmosphere:68% N2
32% O2
0% other
93% N2
3% O2
4% CO2
0% other
69% N2
1% O2
30% CO2
0% other
6% H2
1% He
55% N2
38% O2
0% other
93% H2
7% He
0% other
moons:24224217105
rings:000021

planet:MCA685.16MCA685.17
distance from star:30066*106 km36079*106 km
radius:21980 km6712 km
mass:84951*1021 kg2419*1021 kg
surface gravity: 11.7 m/s2
1.19 Earths
3.58 m/s2
0.36 Earths
escape velocity:22.71 km/s6.936 km/s
year: 4645653 MCA685.16 days
3290671 Earth days
4718944 MCA685.17 days
4325699 Earth days
day:17 hrs22 hrs
axial tilt:19°
temperature:1944 K
1671 C
1630 K
1357 C
atmosphere:98% H2
2% He
0% other
100% other
moons:10410
rings:120

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