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REF821: red dwarf star with 7 planets

  REF821.1  
REF821.2
 
REF821.3
 
REF821.4
  REF821.5   REF821.6   REF821.7  

Solar system 'REF821' comprises the star 'REF821' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 745 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'REF821', a red dwarf class star that contains about 99.23% of the system's known mass and dominates it gravitationally. REF821 is located more than 3404 lightyears from the center of the galaxy.

This solar system comprises 7 planets

REF821.1 is a large gas giant (76374 km radius) which orbits its star in 133909 Earth days, one day on REF821.1 lasts 7 Earth hours. Its average temperature is 1303 K (1030 C), its atmosphere mainly consists of hydrogen, helium and it has 115 moons.
REF821.2 is a medium gas giant (28789 km radius) which orbits its star in 246007 Earth days, one day on REF821.2 lasts 7 Earth hours. Its average temperature is 1310 K (1037 C), its atmosphere mainly consists of hydrogen and it has 129 moons.
REF821.3 is a very large terrestrial planet (9530 km radius) which orbits its star in 451944 Earth days, one day on REF821.3 lasts 9 Earth hours. Its average temperature is 1463 K (1190 C), its atmosphere mainly consists of hydrogen, helium and it has 118 moons.
REF821.4 is a large gas giant (54592 km radius) which orbits its star in 830275 Earth days, one day on REF821.4 lasts 7 Earth hours. Its average temperature is 1104 K (831 C), its atmosphere mainly consists of hydrogen and it has 140 moons.
REF821.5 is a large gas giant (74547 km radius) which orbits its star in 1525312 Earth days, one day on REF821.5 lasts 7 Earth hours. Its average temperature is 1227 K (954 C), its atmosphere mainly consists of hydrogen and it has 78 moons.
REF821.6 is a medium gas giant (28723 km radius) which orbits its star in 2802178 Earth days, one day on REF821.6 lasts 7 Earth hours. Its average temperature is 1307 K (1034 C), its atmosphere mainly consists of hydrogen, helium and it has 134 moons.
REF821.7 is a large terrestrial planet (7675 km radius) which orbits its star in 3683559 Earth days, one day on REF821.7 lasts 11 Earth hours. Its average temperature is 1839 K (1566 C), its atmosphere mainly consists of and it has 31 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:REF821.1REF821.2REF821.3REF821.4REF821.5
distance from star:3557*106 km5335*106 km8003*106 km12005*106 km18007*106 km
radius:76374 km28789 km9530 km54592 km74547 km
mass:3563908*1021 kg190884*1021 kg6924*1021 kg1301598*1021 kg3314213*1021 kg
surface gravity: 40.7 m/s2
4.16 Earths
15.3 m/s2
1.56 Earths
5.08 m/s2
0.51 Earths
29.1 m/s2
2.97 Earths
39.8 m/s2
4.06 Earths
escape velocity:78.92 km/s29.75 km/s9.848 km/s56.41 km/s77.03 km/s
year: 459116 REF821.1 days
133909 Earth days
843452 REF821.2 days
246007 Earth days
1205184 REF821.3 days
451944 Earth days
2846657 REF821.4 days
830275 Earth days
5229641 REF821.5 days
1525312 Earth days
day:7 hrs7 hrs9 hrs7 hrs7 hrs
axial tilt:14°
temperature:1303 K
1030 C
1310 K
1037 C
1463 K
1190 C
1104 K
831 C
1227 K
954 C
atmosphere:81% H2
19% He
0% other
93% H2
7% He
0% other
85% H2
15% He
0% other
98% H2
2% He
0% other
91% H2
9% He
0% other
moons:11512911814078
rings:0161450

planet:REF821.6REF821.7
distance from star:27011*106 km32414*106 km
radius:28723 km7675 km
mass:189574*1021 kg3616*1021 kg
surface gravity: 15.3 m/s2
1.56 Earths
4.09 m/s2
0.41 Earths
escape velocity:29.68 km/s7.930 km/s
year: 9607467 REF821.6 days
2802178 Earth days
8036856 REF821.7 days
3683559 Earth days
day:7 hrs11 hrs
axial tilt:21°21°
temperature:1307 K
1034 C
1839 K
1566 C
atmosphere:88% H2
12% He
0% other
100% other
moons:13431
rings:00

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