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NDH251: red dwarf star with 7 planets

  NDH251.1  
NDH251.2
  NDH251.3   NDH251.4  
NDH251.5
  NDH251.6  
NDH251.7
 

Solar system 'NDH251' comprises the star 'NDH251' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 226 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NDH251', a red dwarf class star that contains about 99.81% of the system's known mass and dominates it gravitationally. NDH251 is located more than 3038 lightyears from the center of the galaxy.

This solar system comprises 7 planets

NDH251.1 is a small terrestrial planet (3314 km radius) which orbits its star in 113 Earth days, one day on NDH251.1 lasts 29 Earth hours. Its average temperature is 923 K (650 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NDH251.2 is a very small terrestrial planet (2505 km radius) which orbits its star in 256 Earth days, one day on NDH251.2 lasts 47 Earth hours. Its average temperature is 621 K (348 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NDH251.3 is a small terrestrial planet (4820 km radius) which orbits its star in 502 Earth days, one day on NDH251.3 lasts 17 Earth hours. Its average temperature is 379 K (106 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
NDH251.4 is a small terrestrial planet (4902 km radius) which orbits its star in 924 Earth days, one day on NDH251.4 lasts 17 Earth hours. Its average temperature is 225 K (-48 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
NDH251.5 is a large gas giant (57520 km radius) which orbits its star in 86485 Earth days, one day on NDH251.5 lasts 7 Earth hours. Its average temperature is 1005 K (732 C), its atmosphere mainly consists of hydrogen, helium and it has 90 moons.
NDH251.6 is a medium gas giant (23519 km radius) which orbits its star in 158884 Earth days, one day on NDH251.6 lasts 7 Earth hours. Its average temperature is 1894 K (1621 C), its atmosphere mainly consists of hydrogen, helium and it has 99 moons.
NDH251.7 is a medium terrestrial planet (5073 km radius) which orbits its star in 208859 Earth days, one day on NDH251.7 lasts 16 Earth hours. Its average temperature is 1576 K (1303 C), its atmosphere mainly consists of and it has 28 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:NDH251.1NDH251.2NDH251.3NDH251.4NDH251.5
distance from star:31*106 km54*106 km85*106 km128*106 km2657*106 km
radius:3314 km2505 km4820 km4902 km57520 km
mass:291*1021 kg125*1021 kg895*1021 kg942*1021 kg1522462*1021 kg
surface gravity: 1.76 m/s2
0.17 Earths
1.32 m/s2
0.13 Earths
2.57 m/s2
0.26 Earths
2.61 m/s2
0.26 Earths
30.7 m/s2
3.13 Earths
escape velocity:3.423 km/s2.580 km/s4.978 km/s5.064 km/s59.44 km/s
year: 93 NDH251.1 days
113 Earth days
130 NDH251.2 days
256 Earth days
708 NDH251.3 days
502 Earth days
1304 NDH251.4 days
924 Earth days
296520 NDH251.5 days
86485 Earth days
day:29 hrs47 hrs17 hrs17 hrs7 hrs
axial tilt:27°29°12°20°
temperature:923 K
650 C
621 K
348 C
379 K
106 C
225 K
-48 C
1005 K
732 C
atmosphere:1% He
77% N2
20% O2
2% CO2
0% other
5% H2
1% He
66% N2
27% O2
1% CO2
0% other
81% N2
18% O2
1% CO2
0% other
70% N2
30% O2
0% other
86% H2
14% He
0% other
moons:007290
rings:010024

planet:NDH251.6NDH251.7
distance from star:3986*106 km4784*106 km
radius:23519 km5073 km
mass:104075*1021 kg1044*1021 kg
surface gravity: 12.5 m/s2
1.27 Earths
2.70 m/s2
0.27 Earths
escape velocity:24.30 km/s5.241 km/s
year: 544745 NDH251.6 days
158884 Earth days
313288 NDH251.7 days
208859 Earth days
day:7 hrs16 hrs
axial tilt:30°
temperature:1894 K
1621 C
1576 K
1303 C
atmosphere:82% H2
18% He
0% other
100% other
moons:9928
rings:010

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