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NEC347: red dwarf star with 3 planets

  NEC347.1   NEC347.2  
NEC347.3
 

Solar system 'NEC347' comprises the star 'NEC347' and the retinue of celestial objects gravitationally bound to it: 3 planets and their 5 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NEC347', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. NEC347 is located more than 1218 lightyears from the center of the galaxy.

This solar system comprises 3 planets

NEC347.1 is a very small terrestrial planet (2811 km radius) which orbits its star in 3 Earth days, one day on NEC347.1 lasts 34 Earth hours. Its average temperature is 1297 K (1024 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
NEC347.2 is a large terrestrial planet (7597 km radius) which orbits its star in 52 Earth days, one day on NEC347.2 lasts 7 Earth hours. Its average temperature is 1197 K (924 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 2 moons.
NEC347.3 is a medium terrestrial planet (5977 km radius) which orbits its star in 829 Earth days, one day on NEC347.3 lasts 9 Earth hours. Its average temperature is 1839 K (1566 C), its atmosphere mainly consists of hydrogen, helium and it has 3 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:NEC347.1NEC347.2NEC347.3
distance from star:3*106 km18*106 km119*106 km
radius:2811 km7597 km5977 km
mass:177*1021 kg3507*1021 kg1708*1021 kg
surface gravity: 1.49 m/s2
0.15 Earths
4.05 m/s2
0.41 Earths
3.19 m/s2
0.32 Earths
escape velocity:2.899 km/s7.849 km/s6.176 km/s
year: 2 NEC347.1 days
3 Earth days
178 NEC347.2 days
52 Earth days
2210 NEC347.3 days
829 Earth days
day:34 hrs7 hrs9 hrs
axial tilt:18°291°
temperature:1297 K
1024 C
1197 K
924 C
1839 K
1566 C
atmosphere:4% H2
2% He
63% N2
29% O2
2% CO2
0% other
19% H2
4% He
29% N2
47% O2
1% CO2
0% other
85% H2
15% He
0% other
moons:023
rings:0014

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