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MBH717: red dwarf star with 5 planets

  MBH717.1   MBH717.2   MBH717.3   MBH717.4   MBH717.5  

Solar system 'MBH717' comprises the star 'MBH717' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 123 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MBH717', a red dwarf class star that contains about 99.86% of the system's known mass and dominates it gravitationally. MBH717 is located more than 2819 lightyears from the center of the galaxy.

MBH717.3, the third planet in this system, may feature life forms. Its average temperature is 317K (44C) and it's atmosphere contains 7% of oxygen. One year on MBH717.3 lasts 689 days, one day lasts 7 hours. It's diameter is 18924 km, 1.4 times the diameter of the Earth.

This solar system comprises 5 planets

MBH717.1 is a very large terrestrial planet (11445 km radius) which orbits its star in 49 Earth days, one day on MBH717.1 lasts 6 Earth hours. Its average temperature is 1784 K (1511 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
MBH717.2 is a small terrestrial planet (4673 km radius) which orbits its star in 268 Earth days, one day on MBH717.2 lasts 16 Earth hours. Its average temperature is 744 K (471 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MBH717.3 is a very large terrestrial planet (9462 km radius) which orbits its star in 689 Earth days, one day on MBH717.3 lasts 7 Earth hours. Its average temperature is 317 K (44 C), its atmosphere mainly consists of nitrogen and it has 18 moons.
MBH717.4 is a large terrestrial planet (8365 km radius) which orbits its star in 1267 Earth days, one day on MBH717.4 lasts 8 Earth hours. Its average temperature is 188 K (-85 C), its atmosphere mainly consists of nitrogen and it has 13 moons.
MBH717.5 is a large gas giant (57364 km radius) which orbits its star in 73548 Earth days, one day on MBH717.5 lasts 5 Earth hours. Its average temperature is 1425 K (1152 C), its atmosphere mainly consists of hydrogen, helium and it has 77 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MBH717.1MBH717.2MBH717.3MBH717.4MBH717.5
distance from star:18*106 km56*106 km106*106 km159*106 km2385*106 km
radius:11445 km4673 km9462 km8365 km57364 km
mass:11993*1021 kg816*1021 kg6777*1021 kg4682*1021 kg1510108*1021 kg
surface gravity: 6.11 m/s2
0.62 Earths
2.49 m/s2
0.25 Earths
5.05 m/s2
0.51 Earths
4.46 m/s2
0.45 Earths
30.6 m/s2
3.12 Earths
escape velocity:11.82 km/s4.827 km/s9.777 km/s8.643 km/s59.27 km/s
year: 196 MBH717.1 days
49 Earth days
402 MBH717.2 days
268 Earth days
2362 MBH717.3 days
689 Earth days
3801 MBH717.4 days
1267 Earth days
353030 MBH717.5 days
73548 Earth days
day:6 hrs16 hrs7 hrs8 hrs5 hrs
axial tilt:20°
temperature:1784 K
1511 C
744 K
471 C
317 K
44 C
188 K
-85 C
1425 K
1152 C
atmosphere:82% N2
11% O2
7% CO2
0% other
81% N2
16% O2
3% CO2
0% other
87% N2
7% O2
6% CO2
0% other
86% N2
9% O2
5% CO2
0% other
89% H2
11% He
0% other
moons:150181377
rings:00000

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