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UKK866: yellow dwarf star with 9 planets

  UKK866.1   UKK866.2   UKK866.3   UKK866.4   UKK866.5   UKK866.6  
UKK866.7
  UKK866.8   UKK866.9  

Solar system 'UKK866' comprises the star 'UKK866' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 199 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UKK866', a yellow dwarf class star that contains about 99.95% of the system's known mass and dominates it gravitationally. UKK866 is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 9 planets

UKK866.1 is a very large terrestrial planet (10731 km radius) which orbits its star in 666 Earth days, one day on UKK866.1 lasts 11 Earth hours. Its average temperature is 204 K (-69 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
UKK866.2 is a large terrestrial planet (8031 km radius) which orbits its star in 1224 Earth days, one day on UKK866.2 lasts 12 Earth hours. Its average temperature is 182 K (-91 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
UKK866.3 is a medium terrestrial planet (6692 km radius) which orbits its star in 2249 Earth days, one day on UKK866.3 lasts 14 Earth hours. Its average temperature is 121 K (-152 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
UKK866.4 is a very large terrestrial planet (10889 km radius) which orbits its star in 4133 Earth days, one day on UKK866.4 lasts 11 Earth hours. Its average temperature is 71 K (-202 C), its atmosphere mainly consists of nitrogen and it has 20 moons.
UKK866.5 is a small terrestrial planet (3708 km radius) which orbits its star in 7593 Earth days, one day on UKK866.5 lasts 27 Earth hours. Its average temperature is 39 K (-234 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
UKK866.6 is a large terrestrial planet (7474 km radius) which orbits its star in 13950 Earth days, one day on UKK866.6 lasts 13 Earth hours. Its average temperature is 21 K (-252 C), its atmosphere mainly consists of nitrogen, oxygen and it has 44 moons.
UKK866.7 is a large gas giant (47562 km radius) which orbits its star in 25628 Earth days, one day on UKK866.7 lasts 9 Earth hours. Its average temperature is 1511 K (1238 C), its atmosphere mainly consists of hydrogen and it has 84 moons.
UKK866.8 is a very small terrestrial planet (2330 km radius) which orbits its star in 33689 Earth days, one day on UKK866.8 lasts 55 Earth hours. Its average temperature is 1975 K (1702 C), its atmosphere mainly consists of and it has 8 moons.
UKK866.9 is a very small terrestrial planet (2417 km radius) which orbits its star in 44285 Earth days, one day on UKK866.9 lasts 52 Earth hours. Its average temperature is 1274 K (1001 C), its atmosphere mainly consists of and it has 0 moons.
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Planetary Orbits

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Planetary Statistics

planet:UKK866.1UKK866.2UKK866.3UKK866.4UKK866.5
distance from star:103*106 km155*106 km233*106 km350*106 km525*106 km
radius:10731 km8031 km6692 km10889 km3708 km
mass:9885*1021 kg4143*1021 kg2397*1021 kg10328*1021 kg407*1021 kg
surface gravity: 5.72 m/s2
0.58 Earths
4.28 m/s2
0.43 Earths
3.57 m/s2
0.36 Earths
5.81 m/s2
0.59 Earths
1.97 m/s2
0.20 Earths
escape velocity:11.08 km/s8.298 km/s6.914 km/s11.25 km/s3.827 km/s
year: 1453 UKK866.1 days
666 Earth days
2448 UKK866.2 days
1224 Earth days
3855 UKK866.3 days
2249 Earth days
9017 UKK866.4 days
4133 Earth days
6749 UKK866.5 days
7593 Earth days
day:11 hrs12 hrs14 hrs11 hrs27 hrs
axial tilt:14°22°11°290°
temperature:204 K
-69 C
182 K
-91 C
121 K
-152 C
71 K
-202 C
39 K
-234 C
atmosphere:1% He
72% N2
26% O2
1% CO2
0% other
63% N2
36% O2
1% CO2
0% other
2% H2
1% He
48% N2
48% O2
1% CO2
0% other
86% N2
6% O2
8% CO2
0% other
74% N2
24% O2
2% CO2
0% other
moons:14222016
rings:00000

planet:UKK866.6UKK866.7UKK866.8UKK866.9
distance from star:787*106 km1181*106 km1417*106 km1701*106 km
radius:7474 km47562 km2330 km2417 km
mass:3340*1021 kg860736*1021 kg101*1021 kg112*1021 kg
surface gravity: 3.99 m/s2
0.40 Earths
25.3 m/s2
2.58 Earths
1.24 m/s2
0.12 Earths
1.27 m/s2
0.12 Earths
escape velocity:7.723 km/s49.14 km/s2.405 km/s2.487 km/s
year: 25753 UKK866.6 days
13950 Earth days
68341 UKK866.7 days
25628 Earth days
14700 UKK866.8 days
33689 Earth days
20439 UKK866.9 days
44285 Earth days
day:13 hrs9 hrs55 hrs52 hrs
axial tilt:24°172°
temperature:21 K
-252 C
1511 K
1238 C
1975 K
1702 C
1274 K
1001 C
atmosphere:3% He
48% N2
48% O2
1% CO2
0% other
98% H2
2% He
0% other
100% other100% other
moons:448480
rings:0300

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