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SDK834: yellow dwarf star with 8 planets

  SDK834.1   SDK834.2  
SDK834.3
  SDK834.4   SDK834.5  
SDK834.6
 
SDK834.7
 
SDK834.8
 

Solar system 'SDK834' comprises the star 'SDK834' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 496 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'SDK834', a yellow dwarf class star that contains about 99.8% of the system's known mass and dominates it gravitationally. SDK834 is located more than 4300 lightyears from the center of the galaxy.

This solar system comprises 8 planets

SDK834.1 is a small terrestrial planet (4773 km radius) which orbits its star in 52 Earth days, one day on SDK834.1 lasts 18 Earth hours. Its average temperature is 1050 K (777 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
SDK834.2 is a very large terrestrial planet (9202 km radius) which orbits its star in 409 Earth days, one day on SDK834.2 lasts 10 Earth hours. Its average temperature is 1078 K (805 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
SDK834.3 is a large terrestrial planet (8989 km radius) which orbits its star in 752 Earth days, one day on SDK834.3 lasts 11 Earth hours. Its average temperature is 718 K (445 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 36 moons.
SDK834.4 is a very large terrestrial planet (11937 km radius) which orbits its star in 2138 Earth days, one day on SDK834.4 lasts 9 Earth hours. Its average temperature is 238 K (-35 C), its atmosphere mainly consists of nitrogen, oxygen and it has 36 moons.
SDK834.5 is a very large terrestrial planet (9889 km radius) which orbits its star in 3927 Earth days, one day on SDK834.5 lasts 10 Earth hours. Its average temperature is 132 K (-141 C), its atmosphere mainly consists of nitrogen, oxygen and it has 12 moons.
SDK834.6 is a large gas giant (70323 km radius) which orbits its star in 18040 Earth days, one day on SDK834.6 lasts 8 Earth hours. Its average temperature is 1223 K (950 C), its atmosphere mainly consists of hydrogen and it has 108 moons.
SDK834.7 is a medium gas giant (23972 km radius) which orbits its star in 41018 Earth days, one day on SDK834.7 lasts 8 Earth hours. Its average temperature is 1532 K (1259 C), its atmosphere mainly consists of hydrogen and it has 129 moons.
SDK834.8 is a large gas giant (67747 km radius) which orbits its star in 205351 Earth days, one day on SDK834.8 lasts 8 Earth hours. Its average temperature is 1656 K (1383 C), its atmosphere mainly consists of hydrogen and it has 150 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:SDK834.1SDK834.2SDK834.3SDK834.4SDK834.5
distance from star:18*106 km74*106 km112*106 km225*106 km338*106 km
radius:4773 km9202 km8989 km11937 km9889 km
mass:869*1021 kg6233*1021 kg5810*1021 kg13607*1021 kg7736*1021 kg
surface gravity: 2.54 m/s2
0.25 Earths
4.91 m/s2
0.50 Earths
4.79 m/s2
0.48 Earths
6.37 m/s2
0.65 Earths
5.27 m/s2
0.53 Earths
escape velocity:4.929 km/s9.508 km/s9.288 km/s12.33 km/s10.21 km/s
year: 69 SDK834.1 days
52 Earth days
981 SDK834.2 days
409 Earth days
1640 SDK834.3 days
752 Earth days
5701 SDK834.4 days
2138 Earth days
9424 SDK834.5 days
3927 Earth days
day:18 hrs10 hrs11 hrs9 hrs10 hrs
axial tilt:12°29°13°11°
temperature:1050 K
777 C
1078 K
805 C
718 K
445 C
238 K
-35 C
132 K
-141 C
atmosphere:10% H2
2% He
57% N2
31% O2
0% other
3% H2
1% He
74% N2
20% O2
2% CO2
0% other
12% H2
3% He
35% N2
49% O2
1% CO2
0% other
8% H2
1% He
44% N2
46% O2
1% CO2
0% other
75% N2
23% O2
2% CO2
0% other
moons:025363612
rings:00600

planet:SDK834.6SDK834.7SDK834.8
distance from star:934*106 km1616*106 km4730*106 km
radius:70323 km23972 km67747 km
mass:2782160*1021 kg110205*1021 kg2487483*1021 kg
surface gravity: 37.5 m/s2
3.83 Earths
12.7 m/s2
1.29 Earths
36.1 m/s2
3.69 Earths
escape velocity:72.67 km/s24.77 km/s70.00 km/s
year: 54120 SDK834.6 days
18040 Earth days
123054 SDK834.7 days
41018 Earth days
616053 SDK834.8 days
205351 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:83°
temperature:1223 K
950 C
1532 K
1259 C
1656 K
1383 C
atmosphere:99% H2
1% He
0% other
90% H2
10% He
0% other
90% H2
10% He
0% other
moons:108129150
rings:16719

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