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MGJ181: yellow dwarf star with 7 planets

  MGJ181.1   MGJ181.2   MGJ181.3  
MGJ181.4
 
MGJ181.5
 
MGJ181.6
 
MGJ181.7
 

Solar system 'MGJ181' is a dual star system that comprises the stars 'MGJ181.A' and 'MGJ181.B' and the retinue of celestial objects gravitationally bound to them: 7 planets and their 288 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MGJ181.A' and 'MGJ181.B' that dominate it gravitationally. 'MGJ181.A' is a yellow dwarf class star that contains about 72% of the system's known mass, 'MGJ181.B' is a yellow dwarf class star that contains about 27% of the system's known mass.

System 'MGJ181' is located more than 2065 lightyears from the center of the galaxy.

This solar system comprises 7 planets

MGJ181.1 is a medium terrestrial planet (6636 km radius) which orbits its star in 228 Earth days, one day on MGJ181.1 lasts 12 Earth hours. Its average temperature is 1114 K (841 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
MGJ181.2 is a small terrestrial planet (3207 km radius) which orbits its star in 475 Earth days, one day on MGJ181.2 lasts 31 Earth hours. Its average temperature is 840 K (567 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MGJ181.3 is a small terrestrial planet (4495 km radius) which orbits its star in 873 Earth days, one day on MGJ181.3 lasts 19 Earth hours. Its average temperature is 560 K (287 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
MGJ181.4 is a medium gas giant (21120 km radius) which orbits its star in 1604 Earth days, one day on MGJ181.4 lasts 7 Earth hours. Its average temperature is 1038 K (765 C), its atmosphere mainly consists of hydrogen and it has 111 moons.
MGJ181.5 is a medium terrestrial planet (5195 km radius) which orbits its star in 2947 Earth days, one day on MGJ181.5 lasts 16 Earth hours. Its average temperature is 1330 K (1057 C), its atmosphere mainly consists of hydrogen, helium and it has 24 moons.
MGJ181.6 is a large gas giant (71738 km radius) which orbits its star in 57834 Earth days, one day on MGJ181.6 lasts 7 Earth hours. Its average temperature is 1636 K (1363 C), its atmosphere mainly consists of hydrogen and it has 40 moons.
MGJ181.7 is a large gas giant (58150 km radius) which orbits its star in 106248 Earth days, one day on MGJ181.7 lasts 7 Earth hours. Its average temperature is 1872 K (1599 C), its atmosphere mainly consists of hydrogen, helium and it has 102 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MGJ181.1MGJ181.2MGJ181.3MGJ181.4MGJ181.5
distance from star:50*106 km82*106 km124*106 km186*106 km279*106 km
radius:6636 km3207 km4495 km21120 km5195 km
mass:2337*1021 kg263*1021 kg726*1021 kg75365*1021 kg1121*1021 kg
surface gravity: 3.54 m/s2
0.36 Earths
1.70 m/s2
0.17 Earths
2.39 m/s2
0.24 Earths
11.2 m/s2
1.14 Earths
2.77 m/s2
0.28 Earths
escape velocity:6.856 km/s3.308 km/s4.643 km/s21.82 km/s5.366 km/s
year: 456 MGJ181.1 days
228 Earth days
367 MGJ181.2 days
475 Earth days
1102 MGJ181.3 days
873 Earth days
5499 MGJ181.4 days
1604 Earth days
4420 MGJ181.5 days
2947 Earth days
day:12 hrs31 hrs19 hrs7 hrs16 hrs
axial tilt:68°
temperature:1114 K
841 C
840 K
567 C
560 K
287 C
1038 K
765 C
1330 K
1057 C
atmosphere:1% H2
1% He
57% N2
41% O2
0% other
65% N2
33% O2
2% CO2
0% other
71% N2
29% O2
0% other
99% H2
1% He
0% other
84% H2
16% He
0% other
moons:30811124
rings:000121

planet:MGJ181.6MGJ181.7
distance from star:2032*106 km3048*106 km
radius:71738 km58150 km
mass:2953505*1021 kg1573037*1021 kg
surface gravity: 38.3 m/s2
3.91 Earths
31.0 m/s2
3.16 Earths
escape velocity:74.13 km/s60.09 km/s
year: 198288 MGJ181.6 days
57834 Earth days
364278 MGJ181.7 days
106248 Earth days
day:7 hrs7 hrs
axial tilt:
temperature:1636 K
1363 C
1872 K
1599 C
atmosphere:94% H2
6% He
0% other
78% H2
22% He
0% other
moons:40102
rings:315

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