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MGB981: yellow dwarf star with 19 planets

  MGB981.1   MGB981.2   MGB981.3   MGB981.4   MGB981.5   MGB981.6  
MGB981.7
  MGB981.8   MGB981.9   MGB981.10  
MGB981.11
  MGB981.12  
MGB981.13
 
MGB981.14
  MGB981.15  
MGB981.16
 
MGB981.17
 
MGB981.18
  MGB981.19  

Solar system 'MGB981' comprises the star 'MGB981' and the retinue of celestial objects gravitationally bound to it: 19 planets and their 1012 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MGB981', a yellow dwarf class star that contains about 99.13% of the system's known mass and dominates it gravitationally. MGB981 is located more than 2065 lightyears from the center of the galaxy.

This solar system comprises 19 planets

MGB981.1 is a small terrestrial planet (4479 km radius) which orbits its star in 18 Earth days, one day on MGB981.1 lasts 31 Earth hours. Its average temperature is 1005 K (732 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MGB981.2 is a large terrestrial planet (7106 km radius) which orbits its star in 182 Earth days, one day on MGB981.2 lasts 23 Earth hours. Its average temperature is 1486 K (1213 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
MGB981.3 is a large terrestrial planet (7650 km radius) which orbits its star in 523 Earth days, one day on MGB981.3 lasts 23 Earth hours. Its average temperature is 546 K (273 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
MGB981.4 is a very large terrestrial planet (10551 km radius) which orbits its star in 1574 Earth days, one day on MGB981.4 lasts 21 Earth hours. Its average temperature is 167 K (-106 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
MGB981.5 is a medium terrestrial planet (5087 km radius) which orbits its star in 2892 Earth days, one day on MGB981.5 lasts 28 Earth hours. Its average temperature is 93 K (-180 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
MGB981.6 is a very large terrestrial planet (9008 km radius) which orbits its star in 5314 Earth days, one day on MGB981.6 lasts 22 Earth hours. Its average temperature is 49 K (-224 C), its atmosphere mainly consists of nitrogen, oxygen and it has 48 moons.
MGB981.7 is a large terrestrial planet (7096 km radius) which orbits its star in 9763 Earth days, one day on MGB981.7 lasts 23 Earth hours. Its average temperature is 25 K (-248 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
MGB981.8 is a medium terrestrial planet (6984 km radius) which orbits its star in 17937 Earth days, one day on MGB981.8 lasts 24 Earth hours. Its average temperature is 13 K (-260 C), its atmosphere mainly consists of nitrogen, oxygen and it has 46 moons.
MGB981.9 is a very small terrestrial planet (2477 km radius) which orbits its star in 32952 Earth days, one day on MGB981.9 lasts 59 Earth hours. Its average temperature is 6 K (-267 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
MGB981.10 is a medium terrestrial planet (6331 km radius) which orbits its star in 60537 Earth days, one day on MGB981.10 lasts 25 Earth hours. Its average temperature is 3 K (-270 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 33 moons.
MGB981.11 is a large gas giant (59644 km radius) which orbits its star in 204797 Earth days, one day on MGB981.11 lasts 19 Earth hours. Its average temperature is 1185 K (912 C), its atmosphere mainly consists of hydrogen, helium and it has 50 moons.
MGB981.12 is a large gas giant (58714 km radius) which orbits its star in 376237 Earth days, one day on MGB981.12 lasts 19 Earth hours. Its average temperature is 1009 K (736 C), its atmosphere mainly consists of hydrogen, helium and it has 108 moons.
MGB981.13 is a large gas giant (62445 km radius) which orbits its star in 691193 Earth days, one day on MGB981.13 lasts 19 Earth hours. Its average temperature is 1365 K (1092 C), its atmosphere mainly consists of hydrogen and it has 123 moons.
MGB981.14 is a medium gas giant (37793 km radius) which orbits its star in 1269802 Earth days, one day on MGB981.14 lasts 19 Earth hours. Its average temperature is 1834 K (1561 C), its atmosphere mainly consists of hydrogen, helium and it has 108 moons.
MGB981.15 is a large gas giant (53965 km radius) which orbits its star in 2332776 Earth days, one day on MGB981.15 lasts 19 Earth hours. Its average temperature is 1342 K (1069 C), its atmosphere mainly consists of hydrogen, helium and it has 90 moons.
MGB981.16 is a large gas giant (63222 km radius) which orbits its star in 4285584 Earth days, one day on MGB981.16 lasts 19 Earth hours. Its average temperature is 1527 K (1254 C), its atmosphere mainly consists of hydrogen and it has 93 moons.
MGB981.17 is a medium gas giant (39456 km radius) which orbits its star in 7873121 Earth days, one day on MGB981.17 lasts 19 Earth hours. Its average temperature is 1778 K (1505 C), its atmosphere mainly consists of hydrogen, helium and it has 106 moons.
MGB981.18 is a large gas giant (63878 km radius) which orbits its star in 14463847 Earth days, one day on MGB981.18 lasts 19 Earth hours. Its average temperature is 1302 K (1029 C), its atmosphere mainly consists of hydrogen and it has 89 moons.
MGB981.19 is a very small terrestrial planet (2065 km radius) which orbits its star in 19013220 Earth days, one day on MGB981.19 lasts 78 Earth hours. Its average temperature is 1024 K (751 C), its atmosphere mainly consists of and it has 22 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MGB981.1MGB981.2MGB981.3MGB981.4MGB981.5
distance from star:9*106 km43*106 km88*106 km183*106 km275*106 km
radius:4479 km7106 km7650 km10551 km5087 km
mass:718*1021 kg2870*1021 kg3581*1021 kg9396*1021 kg1053*1021 kg
surface gravity: 2.38 m/s2
0.24 Earths
3.79 m/s2
0.38 Earths
4.08 m/s2
0.41 Earths
5.63 m/s2
0.57 Earths
2.71 m/s2
0.27 Earths
escape velocity:4.625 km/s7.342 km/s7.904 km/s10.90 km/s5.256 km/s
year: 13 MGB981.1 days
18 Earth days
189 MGB981.2 days
182 Earth days
545 MGB981.3 days
523 Earth days
1798 MGB981.4 days
1574 Earth days
2478 MGB981.5 days
2892 Earth days
day:31 hrs23 hrs23 hrs21 hrs28 hrs
axial tilt:25°99°10°321°126°
temperature:1005 K
732 C
1486 K
1213 C
546 K
273 C
167 K
-106 C
93 K
-180 C
atmosphere:9% H2
2% He
44% N2
44% O2
1% CO2
0% other
2% H2
3% He
46% N2
49% O2
0% other
3% H2
1% He
76% N2
20% O2
0% other
3% H2
3% He
51% N2
43% O2
0% other
68% N2
31% O2
1% CO2
0% other
moons:05131826
rings:00000

planet:MGB981.6MGB981.7MGB981.8MGB981.9MGB981.10
distance from star:413*106 km620*106 km931*106 km1396*106 km2095*106 km
radius:9008 km7096 km6984 km2477 km6331 km
mass:5847*1021 kg2858*1021 kg2725*1021 kg121*1021 kg2030*1021 kg
surface gravity: 4.80 m/s2
0.49 Earths
3.78 m/s2
0.38 Earths
3.72 m/s2
0.38 Earths
1.31 m/s2
0.13 Earths
3.38 m/s2
0.34 Earths
escape velocity:9.308 km/s7.332 km/s7.216 km/s2.553 km/s6.542 km/s
year: 5797 MGB981.6 days
5314 Earth days
10187 MGB981.7 days
9763 Earth days
17937 MGB981.8 days
17937 Earth days
13404 MGB981.9 days
32952 Earth days
58115 MGB981.10 days
60537 Earth days
day:22 hrs23 hrs24 hrs59 hrs25 hrs
axial tilt:21°20°350°
temperature:49 K
-224 C
25 K
-248 C
13 K
-260 C
6 K
-267 C
3 K
-270 C
atmosphere:1% He
81% N2
13% O2
5% CO2
0% other
1% He
75% N2
22% O2
2% CO2
0% other
9% H2
2% He
42% N2
47% O2
0% other
1% H2
1% He
76% N2
21% O2
1% CO2
0% other
31% H2
4% He
19% N2
44% O2
2% CO2
0% other
moons:483046433
rings:02000

planet:MGB981.11MGB981.12MGB981.13MGB981.14MGB981.15
distance from star:4721*106 km7082*106 km10624*106 km15936*106 km23904*106 km
radius:59644 km58714 km62445 km37793 km53965 km
mass:1697423*1021 kg1619254*1021 kg1947973*1021 kg431841*1021 kg1257264*1021 kg
surface gravity: 31.8 m/s2
3.25 Earths
31.3 m/s2
3.20 Earths
33.3 m/s2
3.40 Earths
20.1 m/s2
2.05 Earths
28.8 m/s2
2.94 Earths
escape velocity:61.63 km/s60.67 km/s64.52 km/s39.05 km/s55.76 km/s
year: 258690 MGB981.11 days
204797 Earth days
475246 MGB981.12 days
376237 Earth days
873085 MGB981.13 days
691193 Earth days
1603960 MGB981.14 days
1269802 Earth days
2946664 MGB981.15 days
2332776 Earth days
day:19 hrs19 hrs19 hrs19 hrs19 hrs
axial tilt:11°
temperature:1185 K
912 C
1009 K
736 C
1365 K
1092 C
1834 K
1561 C
1342 K
1069 C
atmosphere:82% H2
18% He
0% other
80% H2
20% He
0% other
93% H2
7% He
0% other
76% H2
24% He
0% other
87% H2
13% He
0% other
moons:5010812310890
rings:21023210

planet:MGB981.16MGB981.17MGB981.18MGB981.19
distance from star:35856*106 km53784*106 km80676*106 km96811*106 km
radius:63222 km39456 km63878 km2065 km
mass:2021597*1021 kg491393*1021 kg2085181*1021 kg70*1021 kg
surface gravity: 33.7 m/s2
3.44 Earths
21.0 m/s2
2.14 Earths
34.1 m/s2
3.48 Earths
1.09 m/s2
0.11 Earths
escape velocity:65.33 km/s40.77 km/s66.01 km/s2.127 km/s
year: 5413369 MGB981.16 days
4285584 Earth days
9944994 MGB981.17 days
7873121 Earth days
18270122 MGB981.18 days
14463847 Earth days
5850221 MGB981.19 days
19013220 Earth days
day:19 hrs19 hrs19 hrs78 hrs
axial tilt:24°
temperature:1527 K
1254 C
1778 K
1505 C
1302 K
1029 C
1024 K
751 C
atmosphere:97% H2
3% He
0% other
82% H2
18% He
0% other
97% H2
3% He
0% other
100% other
moons:931068922
rings:4970

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