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NCD450: red dwarf star with 4 planets

 
NCD450.1
  NCD450.2  
NCD450.3
 
NCD450.4
 

Solar system 'NCD450' comprises the star 'NCD450' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 189 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NCD450', a red dwarf class star that contains about 98.67% of the system's known mass and dominates it gravitationally. NCD450 is located more than 2524 lightyears from the center of the galaxy.

This solar system comprises 4 planets

NCD450.1 is a very small terrestrial planet (2867 km radius) which orbits its star in 45 Earth days, one day on NCD450.1 lasts 34 Earth hours. Its average temperature is 1053 K (780 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NCD450.2 is a medium terrestrial planet (5001 km radius) which orbits its star in 82 Earth days, one day on NCD450.2 lasts 14 Earth hours. Its average temperature is 936 K (663 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
NCD450.3 is a large gas giant (78687 km radius) which orbits its star in 3508 Earth days, one day on NCD450.3 lasts 4 Earth hours. Its average temperature is 1677 K (1404 C), its atmosphere mainly consists of hydrogen, helium and it has 139 moons.
NCD450.4 is a large terrestrial planet (8542 km radius) which orbits its star in 4611 Earth days, one day on NCD450.4 lasts 7 Earth hours. Its average temperature is 1214 K (941 C), its atmosphere mainly consists of and it has 50 moons.
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Planetary Orbits

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Planetary Statistics

planet:NCD450.1NCD450.2NCD450.3NCD450.4
distance from star:17*106 km25*106 km313*106 km376*106 km
radius:2867 km5001 km78687 km8542 km
mass:188*1021 kg1000*1021 kg3897615*1021 kg4986*1021 kg
surface gravity: 1.52 m/s2
0.15 Earths
2.66 m/s2
0.27 Earths
42.0 m/s2
4.29 Earths
4.56 m/s2
0.46 Earths
escape velocity:2.958 km/s5.166 km/s81.31 km/s8.827 km/s
year: 31 NCD450.1 days
45 Earth days
140 NCD450.2 days
82 Earth days
21048 NCD450.3 days
3508 Earth days
15809 NCD450.4 days
4611 Earth days
day:34 hrs14 hrs4 hrs7 hrs
axial tilt:23°
temperature:1053 K
780 C
936 K
663 C
1677 K
1404 C
1214 K
941 C
atmosphere:84% N2
14% O2
2% CO2
0% other
84% N2
2% O2
14% CO2
0% other
79% H2
21% He
0% other
100% other
moons:0013950
rings:20222

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