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MDB075: red dwarf star with 7 planets

  MDB075.1   MDB075.2   MDB075.3   MDB075.4   MDB075.5  
MDB075.6
 
MDB075.7
 

Solar system 'MDB075' comprises the star 'MDB075' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 227 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDB075', a red dwarf class star that contains about 99.98% of the system's known mass and dominates it gravitationally. MDB075 is located more than 2014 lightyears from the center of the galaxy.

This solar system comprises 7 planets

MDB075.1 is a medium terrestrial planet (6674 km radius) which orbits its star in 194 Earth days, one day on MDB075.1 lasts 12 Earth hours. Its average temperature is 232 K (-41 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
MDB075.2 is a very large terrestrial planet (10094 km radius) which orbits its star in 430 Earth days, one day on MDB075.2 lasts 9 Earth hours. Its average temperature is 161 K (-112 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
MDB075.3 is a very large terrestrial planet (11249 km radius) which orbits its star in 809 Earth days, one day on MDB075.3 lasts 8 Earth hours. Its average temperature is 104 K (-169 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
MDB075.4 is a medium terrestrial planet (5718 km radius) which orbits its star in 1487 Earth days, one day on MDB075.4 lasts 14 Earth hours. Its average temperature is 61 K (-212 C), its atmosphere mainly consists of nitrogen and it has 6 moons.
MDB075.5 is a very large terrestrial planet (9675 km radius) which orbits its star in 2733 Earth days, one day on MDB075.5 lasts 9 Earth hours. Its average temperature is 34 K (-239 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
MDB075.6 is a massive terrestrial planet (15563 km radius) which orbits its star in 18944 Earth days, one day on MDB075.6 lasts 8 Earth hours. Its average temperature is 1338 K (1065 C), its atmosphere mainly consists of hydrogen and it has 133 moons.
MDB075.7 is a medium terrestrial planet (5712 km radius) which orbits its star in 34802 Earth days, one day on MDB075.7 lasts 14 Earth hours. Its average temperature is 1040 K (767 C), its atmosphere mainly consists of hydrogen, helium and it has 27 moons.
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Planetary Statistics

planet:MDB075.1MDB075.2MDB075.3MDB075.4MDB075.5
distance from star:45*106 km77*106 km118*106 km177*106 km265*106 km
radius:6674 km10094 km11249 km5718 km9675 km
mass:2378*1021 kg8227*1021 kg11387*1021 kg1495*1021 kg7245*1021 kg
surface gravity: 3.56 m/s2
0.36 Earths
5.38 m/s2
0.55 Earths
6.00 m/s2
0.61 Earths
3.05 m/s2
0.31 Earths
5.16 m/s2
0.52 Earths
escape velocity:6.896 km/s10.43 km/s11.62 km/s5.907 km/s9.997 km/s
year: 388 MDB075.1 days
194 Earth days
1146 MDB075.2 days
430 Earth days
2427 MDB075.3 days
809 Earth days
2549 MDB075.4 days
1487 Earth days
7288 MDB075.5 days
2733 Earth days
day:12 hrs9 hrs8 hrs14 hrs9 hrs
axial tilt:21°16°10°
temperature:232 K
-41 C
161 K
-112 C
104 K
-169 C
61 K
-212 C
34 K
-239 C
atmosphere:1% He
74% N2
22% O2
3% CO2
0% other
2% H2
1% He
79% N2
14% O2
4% CO2
0% other
79% N2
21% O2
0% other
94% N2
4% O2
2% CO2
0% other
80% N2
14% O2
6% CO2
0% other
moons:51523618
rings:00000

planet:MDB075.6MDB075.7
distance from star:965*106 km1448*106 km
radius:15563 km5712 km
mass:30155*1021 kg1490*1021 kg
surface gravity: 8.30 m/s2
0.84 Earths
3.04 m/s2
0.31 Earths
escape velocity:16.08 km/s5.900 km/s
year: 56832 MDB075.6 days
18944 Earth days
59660 MDB075.7 days
34802 Earth days
day:8 hrs14 hrs
axial tilt:40°
temperature:1338 K
1065 C
1040 K
767 C
atmosphere:98% H2
2% He
0% other
76% H2
24% He
0% other
moons:13327
rings:146

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