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MBH742: yellow dwarf star with 4 planets

 
MBH742.1
 
MBH742.2
 
MBH742.3
 
MBH742.4
 

Solar system 'MBH742' comprises the star 'MBH742' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 419 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MBH742', a yellow dwarf class star that contains about 99.81% of the system's known mass and dominates it gravitationally. MBH742 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MBH742.1 is a large terrestrial planet (8088 km radius) which orbits its star in 39 Earth days, one day on MBH742.1 lasts 7 Earth hours. Its average temperature is 1570 K (1297 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
MBH742.2 is a large gas giant (40302 km radius) which orbits its star in 39648 Earth days, one day on MBH742.2 lasts 4 Earth hours. Its average temperature is 1018 K (745 C), its atmosphere mainly consists of hydrogen and it has 92 moons.
MBH742.3 is a very large terrestrial planet (10099 km radius) which orbits its star in 72839 Earth days, one day on MBH742.3 lasts 6 Earth hours. Its average temperature is 1148 K (875 C), its atmosphere mainly consists of hydrogen, helium and it has 152 moons.
MBH742.4 is a large gas giant (65184 km radius) which orbits its star in 133814 Earth days, one day on MBH742.4 lasts 4 Earth hours. Its average temperature is 1097 K (824 C), its atmosphere mainly consists of hydrogen and it has 173 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MBH742.1MBH742.2MBH742.3MBH742.4
distance from star:15*106 km1580*106 km2370*106 km3555*106 km
radius:8088 km40302 km10099 km65184 km
mass:4232*1021 kg523684*1021 kg8239*1021 kg2215710*1021 kg
surface gravity: 4.31 m/s2
0.44 Earths
21.5 m/s2
2.19 Earths
5.39 m/s2
0.55 Earths
34.8 m/s2
3.55 Earths
escape velocity:8.357 km/s41.64 km/s10.43 km/s67.36 km/s
year: 133 MBH742.1 days
39 Earth days
237888 MBH742.2 days
39648 Earth days
291356 MBH742.3 days
72839 Earth days
802884 MBH742.4 days
133814 Earth days
day:7 hrs4 hrs6 hrs4 hrs
axial tilt:28°75°
temperature:1570 K
1297 C
1018 K
745 C
1148 K
875 C
1097 K
824 C
atmosphere:3% H2
2% He
67% N2
28% O2
0% other
100% H2
0% other
88% H2
12% He
0% other
94% H2
6% He
0% other
moons:292152173
rings:1132319

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