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NCH004: red dwarf star with 8 planets

 
NCH004.1
  NCH004.2   NCH004.3   NCH004.4   NCH004.5   NCH004.6   NCH004.7   NCH004.8  

Solar system 'NCH004' comprises the star 'NCH004' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 106 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NCH004', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. NCH004 is located more than 2524 lightyears from the center of the galaxy.

NCH004.2, the second planet in this system, may feature life forms. Its average temperature is 311K (38C) and it's atmosphere contains 33% of oxygen. One year on NCH004.2 lasts 415 days, one day lasts 54 hours. It's diameter is 4664 km, 0.3 times the diameter of the Earth.

This solar system comprises 8 planets

NCH004.1 is a very large terrestrial planet (9628 km radius) which orbits its star in 226 Earth days, one day on NCH004.1 lasts 10 Earth hours. Its average temperature is 350 K (77 C), its atmosphere mainly consists of nitrogen, oxygen and it has 29 moons.
NCH004.2 is a very small terrestrial planet (2332 km radius) which orbits its star in 415 Earth days, one day on NCH004.2 lasts 54 Earth hours. Its average temperature is 311 K (38 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NCH004.3 is a medium terrestrial planet (6522 km radius) which orbits its star in 976 Earth days, one day on NCH004.3 lasts 13 Earth hours. Its average temperature is 149 K (-124 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 4 moons.
NCH004.4 is a very large terrestrial planet (9679 km radius) which orbits its star in 1793 Earth days, one day on NCH004.4 lasts 10 Earth hours. Its average temperature is 88 K (-185 C), its atmosphere mainly consists of nitrogen, oxygen and it has 40 moons.
NCH004.5 is a small terrestrial planet (4801 km radius) which orbits its star in 3294 Earth days, one day on NCH004.5 lasts 18 Earth hours. Its average temperature is 49 K (-224 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
NCH004.6 is a very small terrestrial planet (2486 km radius) which orbits its star in 6052 Earth days, one day on NCH004.6 lasts 48 Earth hours. Its average temperature is 26 K (-247 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
NCH004.7 is a small terrestrial planet (3755 km radius) which orbits its star in 11120 Earth days, one day on NCH004.7 lasts 25 Earth hours. Its average temperature is 13 K (-260 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 8 moons.
NCH004.8 is a very small terrestrial planet (2116 km radius) which orbits its star in 20428 Earth days, one day on NCH004.8 lasts 64 Earth hours. Its average temperature is 6 K (-267 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:NCH004.1NCH004.2NCH004.3NCH004.4NCH004.5
distance from star:50*106 km75*106 km133*106 km200*106 km300*106 km
radius:9628 km2332 km6522 km9679 km4801 km
mass:7140*1021 kg101*1021 kg2219*1021 kg7254*1021 kg885*1021 kg
surface gravity: 5.14 m/s2
0.52 Earths
1.23 m/s2
0.12 Earths
3.48 m/s2
0.35 Earths
5.16 m/s2
0.52 Earths
2.56 m/s2
0.26 Earths
escape velocity:9.949 km/s2.404 km/s6.739 km/s10.00 km/s4.960 km/s
year: 542 NCH004.1 days
226 Earth days
184 NCH004.2 days
415 Earth days
1801 NCH004.3 days
976 Earth days
4303 NCH004.4 days
1793 Earth days
4392 NCH004.5 days
3294 Earth days
day:10 hrs54 hrs13 hrs10 hrs18 hrs
axial tilt:17°21°15°21°
temperature:350 K
77 C
311 K
38 C
149 K
-124 C
88 K
-185 C
49 K
-224 C
atmosphere:4% H2
1% He
46% N2
48% O2
1% CO2
0% other
8% H2
2% He
55% N2
33% O2
2% CO2
0% other
86% N2
14% CO2
0% other
4% H2
2% He
61% N2
31% O2
2% CO2
0% other
3% H2
3% He
55% N2
38% O2
1% CO2
0% other
moons:29044017
rings:10000

planet:NCH004.6NCH004.7NCH004.8
distance from star:451*106 km677*106 km1015*106 km
radius:2486 km3755 km2116 km
mass:122*1021 kg423*1021 kg75*1021 kg
surface gravity: 1.31 m/s2
0.13 Earths
2.00 m/s2
0.20 Earths
1.11 m/s2
0.11 Earths
escape velocity:2.559 km/s3.877 km/s2.175 km/s
year: 3026 NCH004.6 days
6052 Earth days
10675 NCH004.7 days
11120 Earth days
7660 NCH004.8 days
20428 Earth days
day:48 hrs25 hrs64 hrs
axial tilt:28°86°13°
temperature:26 K
-247 C
13 K
-260 C
6 K
-267 C
atmosphere:7% H2
3% He
48% N2
42% O2
0% other
15% H2
3% He
42% N2
40% O2
0% other
3% H2
1% He
75% N2
21% O2
0% other
moons:385
rings:000

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