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NEH204: red dwarf star with 4 planets

  NEH204.1   NEH204.2   NEH204.3   NEH204.4  

Solar system 'NEH204' comprises the star 'NEH204' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 14 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NEH204', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. NEH204 is located more than 4251 lightyears from the center of the galaxy.

NEH204.3, the third planet in this system, may feature life forms. Its average temperature is 273K (0C) and it's atmosphere contains 4% of oxygen. One year on NEH204.3 lasts 310 days, one day lasts 5 hours. It's diameter is 23774 km, 1.8 times the diameter of the Earth.

This solar system comprises 4 planets

NEH204.1 is a very small terrestrial planet (2474 km radius) which orbits its star in 17 Earth days, one day on NEH204.1 lasts 44 Earth hours. Its average temperature is 1027 K (754 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NEH204.2 is a medium terrestrial planet (5475 km radius) which orbits its star in 66 Earth days, one day on NEH204.2 lasts 12 Earth hours. Its average temperature is 1428 K (1155 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NEH204.3 is a very large terrestrial planet (11887 km radius) which orbits its star in 310 Earth days, one day on NEH204.3 lasts 5 Earth hours. Its average temperature is 273 K (0 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 14 moons.
NEH204.4 is a small terrestrial planetoid (1897 km radius) which orbits its star in 408 Earth days, one day on NEH204.4 lasts 74 Earth hours. Its average temperature is 1829 K (1556 C), its atmosphere mainly consists of and it has 0 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:NEH204.1NEH204.2NEH204.3NEH204.4
distance from star:9*106 km22*106 km62*106 km74*106 km
radius:2474 km5475 km11887 km1897 km
mass:121*1021 kg1312*1021 kg13437*1021 kg54*1021 kg
surface gravity: 1.31 m/s2
0.13 Earths
2.92 m/s2
0.29 Earths
6.34 m/s2
0.64 Earths
1.00 m/s2
0.10 Earths
escape velocity:2.555 km/s5.655 km/s12.28 km/s1.949 km/s
year: 9 NEH204.1 days
17 Earth days
132 NEH204.2 days
66 Earth days
1488 NEH204.3 days
310 Earth days
132 NEH204.4 days
408 Earth days
day:44 hrs12 hrs5 hrs74 hrs
axial tilt:25°25°112°19°
temperature:1027 K
754 C
1428 K
1155 C
273 K
0 C
1829 K
1556 C
atmosphere:2% H2
1% He
54% N2
42% O2
1% CO2
0% other
3% H2
1% He
49% N2
45% O2
2% CO2
0% other
82% N2
4% O2
14% CO2
0% other
100% other
moons:00140
rings:0000

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