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NHB865: red dwarf star with 4 planets

  NHB865.1   NHB865.2  
NHB865.3
 
NHB865.4
 

Solar system 'NHB865' comprises the star 'NHB865' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 174 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NHB865', a red dwarf class star that contains about 99.91% of the system's known mass and dominates it gravitationally. NHB865 is located more than 3261 lightyears from the center of the galaxy.

This solar system comprises 4 planets

NHB865.1 is a very small terrestrial planet (2233 km radius) which orbits its star in 20 Earth days, one day on NHB865.1 lasts 54 Earth hours. Its average temperature is 1177 K (904 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NHB865.2 is a small terrestrial planet (3057 km radius) which orbits its star in 70 Earth days, one day on NHB865.2 lasts 30 Earth hours. Its average temperature is 1848 K (1575 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NHB865.3 is a large gas giant (43324 km radius) which orbits its star in 4919 Earth days, one day on NHB865.3 lasts 4 Earth hours. Its average temperature is 1182 K (909 C), its atmosphere mainly consists of hydrogen, helium and it has 82 moons.
NHB865.4 is a medium gas giant (26819 km radius) which orbits its star in 44016 Earth days, one day on NHB865.4 lasts 4 Earth hours. Its average temperature is 1610 K (1337 C), its atmosphere mainly consists of hydrogen and it has 92 moons.
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Planetary Orbits

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Planetary Statistics

planet:NHB865.1NHB865.2NHB865.3NHB865.4
distance from star:10*106 km23*106 km393*106 km1694*106 km
radius:2233 km3057 km43324 km26819 km
mass:89*1021 kg228*1021 kg650542*1021 kg154318*1021 kg
surface gravity: 1.19 m/s2
0.12 Earths
1.62 m/s2
0.16 Earths
23.1 m/s2
2.36 Earths
14.3 m/s2
1.46 Earths
escape velocity:2.306 km/s3.155 km/s44.77 km/s27.71 km/s
year: 8 NHB865.1 days
20 Earth days
56 NHB865.2 days
70 Earth days
29514 NHB865.3 days
4919 Earth days
264096 NHB865.4 days
44016 Earth days
day:54 hrs30 hrs4 hrs4 hrs
axial tilt:15°
temperature:1177 K
904 C
1848 K
1575 C
1182 K
909 C
1610 K
1337 C
atmosphere:86% N2
11% O2
3% CO2
0% other
68% N2
30% O2
2% CO2
0% other
79% H2
21% He
0% other
95% H2
5% He
0% other
moons:008292
rings:00233

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