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QJK771: red dwarf star with 8 planets

  QJK771.1  
QJK771.2
 
QJK771.3
 
QJK771.4
  QJK771.5  
QJK771.6
 
QJK771.7
 
QJK771.8
 

Solar system 'QJK771' comprises the star 'QJK771' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 671 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QJK771', a red dwarf class star that contains about 99.55% of the system's known mass and dominates it gravitationally. QJK771 is located more than 2705 lightyears from the center of the galaxy.

This solar system comprises 8 planets

QJK771.1 is a very small terrestrial planet (2097 km radius) which orbits its star in 51 Earth days, one day on QJK771.1 lasts 65 Earth hours. Its average temperature is 1252 K (979 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
QJK771.2 is a medium gas giant (39764 km radius) which orbits its star in 23022 Earth days, one day on QJK771.2 lasts 8 Earth hours. Its average temperature is 1621 K (1348 C), its atmosphere mainly consists of hydrogen and it has 95 moons.
QJK771.3 is a large gas giant (49027 km radius) which orbits its star in 72651 Earth days, one day on QJK771.3 lasts 8 Earth hours. Its average temperature is 1567 K (1294 C), its atmosphere mainly consists of hydrogen and it has 50 moons.
QJK771.4 is a medium gas giant (32019 km radius) which orbits its star in 133469 Earth days, one day on QJK771.4 lasts 8 Earth hours. Its average temperature is 1213 K (940 C), its atmosphere mainly consists of hydrogen and it has 126 moons.
QJK771.5 is a medium gas giant (38197 km radius) which orbits its star in 245199 Earth days, one day on QJK771.5 lasts 8 Earth hours. Its average temperature is 1256 K (983 C), its atmosphere mainly consists of hydrogen and it has 94 moons.
QJK771.6 is a massive terrestrial planet (17052 km radius) which orbits its star in 450459 Earth days, one day on QJK771.6 lasts 8 Earth hours. Its average temperature is 1615 K (1342 C), its atmosphere mainly consists of hydrogen, helium and it has 99 moons.
QJK771.7 is a large gas giant (54137 km radius) which orbits its star in 827546 Earth days, one day on QJK771.7 lasts 8 Earth hours. Its average temperature is 1629 K (1356 C), its atmosphere mainly consists of hydrogen, helium and it has 55 moons.
QJK771.8 is a medium gas giant (30971 km radius) which orbits its star in 1520300 Earth days, one day on QJK771.8 lasts 8 Earth hours. Its average temperature is 1082 K (809 C), its atmosphere mainly consists of hydrogen and it has 152 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:QJK771.1QJK771.2QJK771.3QJK771.4QJK771.5
distance from star:18*106 km1099*106 km2366*106 km3549*106 km5323*106 km
radius:2097 km39764 km49027 km32019 km38197 km
mass:73*1021 kg502990*1021 kg942748*1021 kg262611*1021 kg445838*1021 kg
surface gravity: 1.10 m/s2
0.11 Earths
21.2 m/s2
2.16 Earths
26.1 m/s2
2.66 Earths
17.0 m/s2
1.73 Earths
20.3 m/s2
2.07 Earths
escape velocity:2.155 km/s41.09 km/s50.66 km/s33.08 km/s39.47 km/s
year: 18 QJK771.1 days
51 Earth days
69066 QJK771.2 days
23022 Earth days
217953 QJK771.3 days
72651 Earth days
400407 QJK771.4 days
133469 Earth days
735597 QJK771.5 days
245199 Earth days
day:65 hrs8 hrs8 hrs8 hrs8 hrs
axial tilt:11°
temperature:1252 K
979 C
1621 K
1348 C
1567 K
1294 C
1213 K
940 C
1256 K
983 C
atmosphere:10% H2
2% He
44% N2
43% O2
1% CO2
0% other
92% H2
8% He
0% other
99% H2
1% He
0% other
94% H2
6% He
0% other
98% H2
2% He
0% other
moons:0955012694
rings:0213170

planet:QJK771.6QJK771.7QJK771.8
distance from star:7985*106 km11978*106 km17968*106 km
radius:17052 km54137 km30971 km
mass:39665*1021 kg1269324*1021 kg237659*1021 kg
surface gravity: 9.10 m/s2
0.93 Earths
28.9 m/s2
2.95 Earths
16.5 m/s2
1.68 Earths
escape velocity:17.62 km/s55.94 km/s32.00 km/s
year: 1351377 QJK771.6 days
450459 Earth days
2482638 QJK771.7 days
827546 Earth days
4560900 QJK771.8 days
1520300 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:12°
temperature:1615 K
1342 C
1629 K
1356 C
1082 K
809 C
atmosphere:80% H2
20% He
0% other
87% H2
13% He
0% other
94% H2
6% He
0% other
moons:9955152
rings:21321

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