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NDA157: red supergiant star with 4 planets

 
NDA157.1
 
NDA157.2
 
NDA157.3
  NDA157.4  

Solar system 'NDA157' comprises the star 'NDA157' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 355 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NDA157', a red supergiant class star that contains about 99.99% of the system's known mass and dominates it gravitationally. NDA157 is located more than 3524 lightyears from the center of the galaxy.

This solar system comprises 4 planets

NDA157.1 is a large gas giant (48351 km radius) which orbits its star in 3923 Earth days, one day on NDA157.1 lasts 4 Earth hours. Its average temperature is 1277 K (1004 C), its atmosphere mainly consists of hydrogen, helium and it has 74 moons.
NDA157.2 is a large gas giant (45411 km radius) which orbits its star in 14891 Earth days, one day on NDA157.2 lasts 4 Earth hours. Its average temperature is 1971 K (1698 C), its atmosphere mainly consists of hydrogen and it has 125 moons.
NDA157.3 is a medium gas giant (29725 km radius) which orbits its star in 40050 Earth days, one day on NDA157.3 lasts 4 Earth hours. Its average temperature is 1689 K (1416 C), its atmosphere mainly consists of hydrogen and it has 126 moons.
NDA157.4 is a medium terrestrial planet (6233 km radius) which orbits its star in 52648 Earth days, one day on NDA157.4 lasts 10 Earth hours. Its average temperature is 1865 K (1592 C), its atmosphere mainly consists of and it has 30 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:NDA157.1NDA157.2NDA157.3NDA157.4
distance from star:338*106 km822*106 km1590*106 km1909*106 km
radius:48351 km45411 km29725 km6233 km
mass:904287*1021 kg749157*1021 kg210114*1021 kg1937*1021 kg
surface gravity: 25.8 m/s2
2.63 Earths
24.2 m/s2
2.47 Earths
15.8 m/s2
1.61 Earths
3.32 m/s2
0.33 Earths
escape velocity:49.96 km/s46.92 km/s30.71 km/s6.440 km/s
year: 23538 NDA157.1 days
3923 Earth days
89346 NDA157.2 days
14891 Earth days
240300 NDA157.3 days
40050 Earth days
126355 NDA157.4 days
52648 Earth days
day:4 hrs4 hrs4 hrs10 hrs
axial tilt:36°13°
temperature:1277 K
1004 C
1971 K
1698 C
1689 K
1416 C
1865 K
1592 C
atmosphere:85% H2
15% He
0% other
90% H2
10% He
0% other
96% H2
4% He
0% other
100% other
moons:7412512630
rings:321110

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