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LJF998: red dwarf star with 9 planets

 
LJF998.1
  LJF998.2  
LJF998.3
  LJF998.4   LJF998.5   LJF998.6  
LJF998.7
 
LJF998.8
  LJF998.9  

Solar system 'LJF998' comprises the star 'LJF998' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 170 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJF998', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LJF998 is located more than 3672 lightyears from the center of the galaxy.

This solar system comprises 9 planets

LJF998.1 is a small terrestrial planet (3871 km radius) which orbits its star in 27 Earth days, one day on LJF998.1 lasts 25 Earth hours. Its average temperature is 1877 K (1604 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LJF998.2 is a small terrestrial planet (3608 km radius) which orbits its star in 80 Earth days, one day on LJF998.2 lasts 28 Earth hours. Its average temperature is 1804 K (1531 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LJF998.3 is a large terrestrial planet (7988 km radius) which orbits its star in 184 Earth days, one day on LJF998.3 lasts 12 Earth hours. Its average temperature is 1791 K (1518 C), its atmosphere mainly consists of nitrogen, oxygen and it has 12 moons.
LJF998.4 is a small terrestrial planet (3875 km radius) which orbits its star in 339 Earth days, one day on LJF998.4 lasts 25 Earth hours. Its average temperature is 1061 K (788 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
LJF998.5 is a large terrestrial planet (7757 km radius) which orbits its star in 623 Earth days, one day on LJF998.5 lasts 13 Earth hours. Its average temperature is 589 K (316 C), its atmosphere mainly consists of nitrogen, oxygen and it has 29 moons.
LJF998.6 is a very large terrestrial planet (9506 km radius) which orbits its star in 1606 Earth days, one day on LJF998.6 lasts 11 Earth hours. Its average temperature is 200 K (-73 C), its atmosphere mainly consists of nitrogen and it has 29 moons.
LJF998.7 is a very large terrestrial planet (11479 km radius) which orbits its star in 3145 Earth days, one day on LJF998.7 lasts 10 Earth hours. Its average temperature is 95 K (-178 C), its atmosphere mainly consists of nitrogen, oxygen and it has 27 moons.
LJF998.8 is a medium terrestrial planet (6346 km radius) which orbits its star in 5778 Earth days, one day on LJF998.8 lasts 15 Earth hours. Its average temperature is 1713 K (1440 C), its atmosphere mainly consists of hydrogen and it has 30 moons.
LJF998.9 is a large terrestrial planet (8929 km radius) which orbits its star in 7595 Earth days, one day on LJF998.9 lasts 12 Earth hours. Its average temperature is 1004 K (731 C), its atmosphere mainly consists of and it has 41 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LJF998.1LJF998.2LJF998.3LJF998.4LJF998.5
distance from star:12*106 km25*106 km44*106 km66*106 km99*106 km
radius:3871 km3608 km7988 km3875 km7757 km
mass:464*1021 kg375*1021 kg4077*1021 kg465*1021 kg3733*1021 kg
surface gravity: 2.06 m/s2
0.21 Earths
1.92 m/s2
0.19 Earths
4.26 m/s2
0.43 Earths
2.06 m/s2
0.21 Earths
4.14 m/s2
0.42 Earths
escape velocity:4.000 km/s3.724 km/s8.254 km/s4.002 km/s8.014 km/s
year: 25 LJF998.1 days
27 Earth days
68 LJF998.2 days
80 Earth days
368 LJF998.3 days
184 Earth days
325 LJF998.4 days
339 Earth days
1150 LJF998.5 days
623 Earth days
day:25 hrs28 hrs12 hrs25 hrs13 hrs
axial tilt:22°31°18°20°
temperature:1877 K
1604 C
1804 K
1531 C
1791 K
1518 C
1061 K
788 C
589 K
316 C
atmosphere:87% N2
10% O2
3% CO2
0% other
93% N2
2% O2
5% CO2
0% other
2% H2
2% He
62% N2
34% O2
0% other
79% N2
17% O2
4% CO2
0% other
78% N2
21% O2
1% CO2
0% other
moons:0012229
rings:10600

planet:LJF998.6LJF998.7LJF998.8LJF998.9
distance from star:186*106 km291*106 km437*106 km525*106 km
radius:9506 km11479 km6346 km8929 km
mass:6872*1021 kg12100*1021 kg2044*1021 kg5695*1021 kg
surface gravity: 5.07 m/s2
0.51 Earths
6.12 m/s2
0.62 Earths
3.38 m/s2
0.34 Earths
4.76 m/s2
0.48 Earths
escape velocity:9.823 km/s11.86 km/s6.557 km/s9.227 km/s
year: 3504 LJF998.6 days
1606 Earth days
7548 LJF998.7 days
3145 Earth days
9244 LJF998.8 days
5778 Earth days
15190 LJF998.9 days
7595 Earth days
day:11 hrs10 hrs15 hrs12 hrs
axial tilt:358°153°
temperature:200 K
-73 C
95 K
-178 C
1713 K
1440 C
1004 K
731 C
atmosphere:82% N2
10% O2
8% CO2
0% other
51% N2
48% O2
1% CO2
0% other
100% H2
0% other
100% other
moons:29273041
rings:01150

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