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MDC390: red dwarf star with 8 planets

  MDC390.1   MDC390.2   MDC390.3   MDC390.4   MDC390.5   MDC390.6   MDC390.7   MDC390.8  

Solar system 'MDC390' comprises the star 'MDC390' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 138 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDC390', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MDC390 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 8 planets

MDC390.1 is a large terrestrial planet (7224 km radius) which orbits its star in 110 Earth days, one day on MDC390.1 lasts 12 Earth hours. Its average temperature is 1237 K (964 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MDC390.2 is a very large terrestrial planet (10183 km radius) which orbits its star in 245 Earth days, one day on MDC390.2 lasts 10 Earth hours. Its average temperature is 857 K (584 C), its atmosphere mainly consists of nitrogen and it has 15 moons.
MDC390.3 is a large terrestrial planet (8476 km radius) which orbits its star in 576 Earth days, one day on MDC390.3 lasts 11 Earth hours. Its average temperature is 411 K (138 C), its atmosphere mainly consists of nitrogen, oxygen and it has 33 moons.
MDC390.4 is a very large terrestrial planet (11411 km radius) which orbits its star in 1058 Earth days, one day on MDC390.4 lasts 9 Earth hours. Its average temperature is 243 K (-30 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
MDC390.5 is a medium terrestrial planet (5549 km radius) which orbits its star in 1944 Earth days, one day on MDC390.5 lasts 16 Earth hours. Its average temperature is 135 K (-138 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 10 moons.
MDC390.6 is a medium terrestrial planet (5415 km radius) which orbits its star in 3571 Earth days, one day on MDC390.6 lasts 16 Earth hours. Its average temperature is 72 K (-201 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
MDC390.7 is a small terrestrial planetoid (1036 km radius) which orbits its star in 4695 Earth days, one day on MDC390.7 lasts 267 Earth hours. Its average temperature is 1800 K (1527 C), its atmosphere mainly consists of and it has 0 moons.
MDC390.8 is a medium terrestrial planet (6330 km radius) which orbits its star in 6171 Earth days, one day on MDC390.8 lasts 14 Earth hours. Its average temperature is 1710 K (1437 C), its atmosphere mainly consists of and it has 31 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDC390.1MDC390.2MDC390.3MDC390.4MDC390.5
distance from star:31*106 km53*106 km94*106 km141*106 km211*106 km
radius:7224 km10183 km8476 km11411 km5549 km
mass:3015*1021 kg8447*1021 kg4871*1021 kg11886*1021 kg1366*1021 kg
surface gravity: 3.85 m/s2
0.39 Earths
5.43 m/s2
0.55 Earths
4.52 m/s2
0.46 Earths
6.09 m/s2
0.62 Earths
2.96 m/s2
0.30 Earths
escape velocity:7.464 km/s10.52 km/s8.758 km/s11.79 km/s5.732 km/s
year: 220 MDC390.1 days
110 Earth days
588 MDC390.2 days
245 Earth days
1256 MDC390.3 days
576 Earth days
2821 MDC390.4 days
1058 Earth days
2916 MDC390.5 days
1944 Earth days
day:12 hrs10 hrs11 hrs9 hrs16 hrs
axial tilt:336°15°346°16°
temperature:1237 K
964 C
857 K
584 C
411 K
138 C
243 K
-30 C
135 K
-138 C
atmosphere:72% N2
28% O2
0% other
84% N2
8% O2
8% CO2
0% other
2% H2
1% He
63% N2
33% O2
1% CO2
0% other
51% N2
49% O2
0% other
22% H2
3% He
31% N2
44% O2
0% other
moons:115332310
rings:00000

planet:MDC390.6MDC390.7MDC390.8
distance from star:317*106 km381*106 km457*106 km
radius:5415 km1036 km6330 km
mass:1270*1021 kg8*1021 kg2029*1021 kg
surface gravity: 2.89 m/s2
0.29 Earths
0.49 m/s2
0.05 Earths
3.37 m/s2
0.34 Earths
escape velocity:5.595 km/s1.015 km/s6.541 km/s
year: 5356 MDC390.6 days
3571 Earth days
422 MDC390.7 days
4695 Earth days
10578 MDC390.8 days
6171 Earth days
day:16 hrs267 hrs14 hrs
axial tilt:16°24°30°
temperature:72 K
-201 C
1800 K
1527 C
1710 K
1437 C
atmosphere:1% H2
2% He
62% N2
33% O2
2% CO2
0% other
100% other100% other
moons:25031
rings:000

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