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MDC290: red dwarf star with 8 planets

  MDC290.1   MDC290.2   MDC290.3   MDC290.4   MDC290.5   MDC290.6   MDC290.7  
MDC290.8
 

Solar system 'MDC290' comprises the star 'MDC290' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 245 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDC290', a red dwarf class star that contains about 99.9% of the system's known mass and dominates it gravitationally. MDC290 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 8 planets

MDC290.1 is a very large terrestrial planet (9033 km radius) which orbits its star in 461 Earth days, one day on MDC290.1 lasts 11 Earth hours. Its average temperature is 37 K (-236 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
MDC290.2 is a medium terrestrial planet (6267 km radius) which orbits its star in 847 Earth days, one day on MDC290.2 lasts 14 Earth hours. Its average temperature is 33 K (-240 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
MDC290.3 is a very large terrestrial planet (9042 km radius) which orbits its star in 1557 Earth days, one day on MDC290.3 lasts 11 Earth hours. Its average temperature is 22 K (-251 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
MDC290.4 is a medium terrestrial planet (6411 km radius) which orbits its star in 2860 Earth days, one day on MDC290.4 lasts 14 Earth hours. Its average temperature is 13 K (-260 C), its atmosphere mainly consists of nitrogen, oxygen and it has 32 moons.
MDC290.5 is a small terrestrial planet (3903 km radius) which orbits its star in 5255 Earth days, one day on MDC290.5 lasts 24 Earth hours. Its average temperature is 7 K (-266 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
MDC290.6 is a medium terrestrial planet (5566 km radius) which orbits its star in 9654 Earth days, one day on MDC290.6 lasts 16 Earth hours. Its average temperature is 3 K (-270 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
MDC290.7 is a very large terrestrial planet (9624 km radius) which orbits its star in 17735 Earth days, one day on MDC290.7 lasts 10 Earth hours. Its average temperature is 2 K (-271 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 18 moons.
MDC290.8 is a medium gas giant (28587 km radius) which orbits its star in 32582 Earth days, one day on MDC290.8 lasts 8 Earth hours. Its average temperature is 1037 K (764 C), its atmosphere mainly consists of hydrogen, helium and it has 103 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MDC290.1MDC290.2MDC290.3MDC290.4MDC290.5
distance from star:81*106 km121*106 km182*106 km273*106 km410*106 km
radius:9033 km6267 km9042 km6411 km3903 km
mass:5896*1021 kg1969*1021 kg5914*1021 kg2107*1021 kg475*1021 kg
surface gravity: 4.82 m/s2
0.49 Earths
3.34 m/s2
0.34 Earths
4.82 m/s2
0.49 Earths
3.42 m/s2
0.34 Earths
2.08 m/s2
0.21 Earths
escape velocity:9.334 km/s6.476 km/s9.343 km/s6.623 km/s4.030 km/s
year: 1005 MDC290.1 days
461 Earth days
1452 MDC290.2 days
847 Earth days
3397 MDC290.3 days
1557 Earth days
4902 MDC290.4 days
2860 Earth days
5255 MDC290.5 days
5255 Earth days
day:11 hrs14 hrs11 hrs14 hrs24 hrs
axial tilt:30°21°20°26°312°
temperature:37 K
-236 C
33 K
-240 C
22 K
-251 C
13 K
-260 C
7 K
-266 C
atmosphere:9% H2
3% He
52% N2
35% O2
1% CO2
0% other
8% H2
2% He
61% N2
29% O2
0% other
1% H2
2% He
66% N2
30% O2
1% CO2
0% other
73% N2
26% O2
1% CO2
0% other
69% N2
29% O2
2% CO2
0% other
moons:262383216
rings:00000

planet:MDC290.6MDC290.7MDC290.8
distance from star:616*106 km924*106 km1386*106 km
radius:5566 km9624 km28587 km
mass:1379*1021 kg7131*1021 kg186894*1021 kg
surface gravity: 2.97 m/s2
0.30 Earths
5.13 m/s2
0.52 Earths
15.2 m/s2
1.55 Earths
escape velocity:5.750 km/s9.945 km/s29.54 km/s
year: 14481 MDC290.6 days
9654 Earth days
42564 MDC290.7 days
17735 Earth days
97746 MDC290.8 days
32582 Earth days
day:16 hrs10 hrs8 hrs
axial tilt:22°
temperature:3 K
-270 C
2 K
-271 C
1037 K
764 C
atmosphere:51% N2
49% O2
0% other
82% N2
6% O2
12% CO2
0% other
77% H2
23% He
0% other
moons:1918103
rings:0024

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