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NEJ309: red dwarf star with 4 planets

  NEJ309.1   NEJ309.2  
NEJ309.3
  NEJ309.4  

Solar system 'NEJ309' comprises the star 'NEJ309' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 62 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NEJ309', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. NEJ309 is located more than 1955 lightyears from the center of the galaxy.

NEJ309.1, the first planet in this system, may feature life forms. Its average temperature is 317K (44C) and it's atmosphere contains 20% of oxygen. One year on NEJ309.1 lasts 159 days, one day lasts 6 hours. It's diameter is 20722 km, 1.6 times the diameter of the Earth.

This solar system comprises 4 planets

NEJ309.1 is a very large terrestrial planet (10361 km radius) which orbits its star in 159 Earth days, one day on NEJ309.1 lasts 6 Earth hours. Its average temperature is 317 K (44 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
NEJ309.2 is a medium terrestrial planet (6892 km radius) which orbits its star in 324 Earth days, one day on NEJ309.2 lasts 9 Earth hours. Its average temperature is 245 K (-28 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
NEJ309.3 is a small terrestrial planet (4984 km radius) which orbits its star in 595 Earth days, one day on NEJ309.3 lasts 14 Earth hours. Its average temperature is 163 K (-110 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
NEJ309.4 is a medium terrestrial planet (5839 km radius) which orbits its star in 2137 Earth days, one day on NEJ309.4 lasts 11 Earth hours. Its average temperature is 1330 K (1057 C), its atmosphere mainly consists of hydrogen and it has 31 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:NEJ309.1NEJ309.2NEJ309.3NEJ309.4
distance from star:39*106 km64*106 km96*106 km225*106 km
radius:10361 km6892 km4984 km5839 km
mass:8898*1021 kg2618*1021 kg990*1021 kg1592*1021 kg
surface gravity: 5.53 m/s2
0.56 Earths
3.67 m/s2
0.37 Earths
2.66 m/s2
0.27 Earths
3.11 m/s2
0.31 Earths
escape velocity:10.70 km/s7.120 km/s5.149 km/s6.032 km/s
year: 636 NEJ309.1 days
159 Earth days
864 NEJ309.2 days
324 Earth days
1020 NEJ309.3 days
595 Earth days
4662 NEJ309.4 days
2137 Earth days
day:6 hrs9 hrs14 hrs11 hrs
axial tilt:96°18°
temperature:317 K
44 C
245 K
-28 C
163 K
-110 C
1330 K
1057 C
atmosphere:78% N2
20% O2
2% CO2
0% other
53% N2
46% O2
1% CO2
0% other
88% N2
11% O2
1% CO2
0% other
94% H2
6% He
0% other
moons:176831
rings:0050

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