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MEB440: red dwarf star with 4 planets

 
MEB440.1
  MEB440.2   MEB440.3   MEB440.4  

Solar system 'MEB440' comprises the star 'MEB440' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 51 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MEB440', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MEB440 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MEB440.1 is a medium terrestrial planet (6978 km radius) which orbits its star in 141 Earth days, one day on MEB440.1 lasts 9 Earth hours. Its average temperature is 479 K (206 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 8 moons.
MEB440.2 is a very large terrestrial planet (10828 km radius) which orbits its star in 260 Earth days, one day on MEB440.2 lasts 6 Earth hours. Its average temperature is 426 K (153 C), its atmosphere mainly consists of nitrogen and it has 14 moons.
MEB440.3 is a large terrestrial planet (8854 km radius) which orbits its star in 947 Earth days, one day on MEB440.3 lasts 7 Earth hours. Its average temperature is 114 K (-159 C), its atmosphere mainly consists of nitrogen, oxygen and it has 28 moons.
MEB440.4 is a medium terrestrial planet (6688 km radius) which orbits its star in 1740 Earth days, one day on MEB440.4 lasts 9 Earth hours. Its average temperature is 67 K (-206 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
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Planetary Orbits

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Planetary Statistics

planet:MEB440.1MEB440.2MEB440.3MEB440.4
distance from star:36*106 km55*106 km131*106 km196*106 km
radius:6978 km10828 km8854 km6688 km
mass:2718*1021 kg10156*1021 kg5552*1021 kg2393*1021 kg
surface gravity: 3.72 m/s2
0.38 Earths
5.78 m/s2
0.59 Earths
4.72 m/s2
0.48 Earths
3.57 m/s2
0.36 Earths
escape velocity:7.210 km/s11.18 km/s9.148 km/s6.910 km/s
year: 376 MEB440.1 days
141 Earth days
1040 MEB440.2 days
260 Earth days
3246 MEB440.3 days
947 Earth days
4640 MEB440.4 days
1740 Earth days
day:9 hrs6 hrs7 hrs9 hrs
axial tilt:317°25°
temperature:479 K
206 C
426 K
153 C
114 K
-159 C
67 K
-206 C
atmosphere:75% N2
3% O2
22% CO2
0% other
86% N2
8% O2
6% CO2
0% other
76% N2
22% O2
2% CO2
0% other
81% N2
15% O2
4% CO2
0% other
moons:814281
rings:1000

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