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NGA816: red dwarf star with 7 planets

  NGA816.1   NGA816.2   NGA816.3   NGA816.4  
NGA816.5
  NGA816.6  
NGA816.7
 

Solar system 'NGA816' comprises the star 'NGA816' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 628 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NGA816', a red dwarf class star that contains about 99.68% of the system's known mass and dominates it gravitationally. NGA816 is located more than 4059 lightyears from the center of the galaxy.

This solar system comprises 7 planets

NGA816.1 is a very large terrestrial planet (10940 km radius) which orbits its star in 228 Earth days, one day on NGA816.1 lasts 9 Earth hours. Its average temperature is 449 K (176 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
NGA816.2 is a medium terrestrial planet (6459 km radius) which orbits its star in 709 Earth days, one day on NGA816.2 lasts 12 Earth hours. Its average temperature is 198 K (-75 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
NGA816.3 is a very large terrestrial planet (11418 km radius) which orbits its star in 1634 Earth days, one day on NGA816.3 lasts 8 Earth hours. Its average temperature is 97 K (-176 C), its atmosphere mainly consists of nitrogen, oxygen and it has 34 moons.
NGA816.4 is a large gas giant (57060 km radius) which orbits its star in 55662 Earth days, one day on NGA816.4 lasts 7 Earth hours. Its average temperature is 1701 K (1428 C), its atmosphere mainly consists of hydrogen, helium and it has 108 moons.
NGA816.5 is a large gas giant (52497 km radius) which orbits its star in 117809 Earth days, one day on NGA816.5 lasts 7 Earth hours. Its average temperature is 1854 K (1581 C), its atmosphere mainly consists of hydrogen and it has 177 moons.
NGA816.6 is a large gas giant (44065 km radius) which orbits its star in 216429 Earth days, one day on NGA816.6 lasts 7 Earth hours. Its average temperature is 1344 K (1071 C), its atmosphere mainly consists of hydrogen and it has 108 moons.
NGA816.7 is a very large terrestrial planet (11346 km radius) which orbits its star in 397606 Earth days, one day on NGA816.7 lasts 8 Earth hours. Its average temperature is 1954 K (1681 C), its atmosphere mainly consists of hydrogen and it has 169 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:NGA816.1NGA816.2NGA816.3NGA816.4NGA816.5
distance from star:50*106 km108*106 km188*106 km1981*106 km3265*106 km
radius:10940 km6459 km11418 km57060 km52497 km
mass:10474*1021 kg2155*1021 kg11908*1021 kg1486227*1021 kg1157426*1021 kg
surface gravity: 5.84 m/s2
0.59 Earths
3.44 m/s2
0.35 Earths
6.09 m/s2
0.62 Earths
30.4 m/s2
3.10 Earths
28.0 m/s2
2.86 Earths
escape velocity:11.30 km/s6.673 km/s11.79 km/s58.96 km/s54.24 km/s
year: 608 NGA816.1 days
228 Earth days
1418 NGA816.2 days
709 Earth days
4902 NGA816.3 days
1634 Earth days
190841 NGA816.4 days
55662 Earth days
403916 NGA816.5 days
117809 Earth days
day:9 hrs12 hrs8 hrs7 hrs7 hrs
axial tilt:15°27°83°
temperature:449 K
176 C
198 K
-75 C
97 K
-176 C
1701 K
1428 C
1854 K
1581 C
atmosphere:1% H2
1% He
78% N2
18% O2
2% CO2
0% other
71% N2
29% O2
0% other
6% H2
2% He
58% N2
33% O2
1% CO2
0% other
84% H2
16% He
0% other
96% H2
4% He
0% other
moons:161634108177
rings:000011

planet:NGA816.6NGA816.7
distance from star:4898*106 km7348*106 km
radius:44065 km11346 km
mass:684496*1021 kg11684*1021 kg
surface gravity: 23.5 m/s2
2.40 Earths
6.05 m/s2
0.61 Earths
escape velocity:45.53 km/s11.72 km/s
year: 742042 NGA816.6 days
216429 Earth days
1192818 NGA816.7 days
397606 Earth days
day:7 hrs8 hrs
axial tilt:
temperature:1344 K
1071 C
1954 K
1681 C
atmosphere:92% H2
8% He
0% other
100% H2
0% other
moons:108169
rings:016

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