LBK477: red dwarf star with 7 planets

Solar system 'LBK477' comprises the star 'LBK477' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 338 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LBK477', a red dwarf class star that contains about 99.44% of the system's known mass and dominates it gravitationally. LBK477 is located more than 5135 lightyears from the center of the galaxy.

LBK477.1, the first planet in this system, may feature life forms. Its average temperature is 307K (34C) and it's atmosphere contains 1% of oxygen. One year on LBK477.1 lasts 205 days, one day lasts 16 hours. It's diameter is 10388 km, 0.8 times the diameter of the Earth.

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This solar system comprises 7 planets

	LBK477.1 is a medium terrestrial planet (5194 km radius) which orbits its star in 205 Earth days, one day on LBK477.1 lasts 16 Earth hours. Its average temperature is 307 K (34 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 5 moons.
	LBK477.2 is a medium terrestrial planet (5140 km radius) which orbits its star in 525 Earth days, one day on LBK477.2 lasts 16 Earth hours. Its average temperature is 175 K (-98 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
	LBK477.3 is a very large terrestrial planet (9115 km radius) which orbits its star in 1183 Earth days, one day on LBK477.3 lasts 10 Earth hours. Its average temperature is 89 K (-184 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 23 moons.
	LBK477.4 is a medium terrestrial planet (5998 km radius) which orbits its star in 2174 Earth days, one day on LBK477.4 lasts 13 Earth hours. Its average temperature is 52 K (-221 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
	LBK477.5 is a large gas giant (64641 km radius) which orbits its star in 15419 Earth days, one day on LBK477.5 lasts 7 Earth hours. Its average temperature is 1312 K (1039 C), its atmosphere mainly consists of hydrogen and it has 164 moons.
	LBK477.6 is a large gas giant (56011 km radius) which orbits its star in 84941 Earth days, one day on LBK477.6 lasts 7 Earth hours. Its average temperature is 1259 K (986 C), its atmosphere mainly consists of hydrogen, helium and it has 97 moons.
	LBK477.7 is a small terrestrial planet (4339 km radius) which orbits its star in 111658 Earth days, one day on LBK477.7 lasts 20 Earth hours. Its average temperature is 1505 K (1232 C), its atmosphere mainly consists of and it has 49 moons.
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Planetary Orbits

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Planetary Statistics

planet:	LBK477.1	LBK477.2	LBK477.3	LBK477.4	LBK477.5
distance from star:	47*10⁶ km	88*10⁶ km	152*10⁶ km	228*10⁶ km	841*10⁶ km
radius:	5194 km	5140 km	9115 km	5998 km	64641 km
mass:	1120*10²¹ kg	1086*10²¹ kg	6058*10²¹ kg	1726*10²¹ kg	2160798*10²¹ kg
surface gravity:	2.77 m/s² 0.28 Earths	2.74 m/s² 0.28 Earths	4.86 m/s² 0.49 Earths	3.20 m/s² 0.32 Earths	34.5 m/s² 3.52 Earths
escape velocity:	5.365 km/s	5.310 km/s	9.418 km/s	6.197 km/s	66.79 km/s
year:	307 LBK477.1 days 205 Earth days	787 LBK477.2 days 525 Earth days	2839 LBK477.3 days 1183 Earth days	4013 LBK477.4 days 2174 Earth days	52865 LBK477.5 days 15419 Earth days
day:	16 hrs	16 hrs	10 hrs	13 hrs	7 hrs
axial tilt:	24°	30°	25°	208°	84°
temperature:	307 K 34 C	175 K -98 C	89 K -184 C	52 K -221 C	1312 K 1039 C
atmosphere:	59% N2 1% O2 40% CO2 0% other	5% H2 1% He 58% N2 36% O2 0% other	18% H2 3% He 39% N2 38% O2 2% CO2 0% other	5% H2 2% He 66% N2 27% O2 0% other	92% H2 8% He 0% other
moons:	5	0	23	0	164
rings:	0	1	0	0	12

planet:	LBK477.6	LBK477.7
distance from star:	2626*10⁶ km	3151*10⁶ km
radius:	56011 km	4339 km
mass:	1405756*10²¹ kg	653*10²¹ kg
surface gravity:	29.9 m/s² 3.05 Earths	2.31 m/s² 0.23 Earths
escape velocity:	57.88 km/s	4.482 km/s
year:	291226 LBK477.6 days 84941 Earth days	133989 LBK477.7 days 111658 Earth days
day:	7 hrs	20 hrs
axial tilt:	5°	13°
temperature:	1259 K 986 C	1505 K 1232 C
atmosphere:	81% H2 19% He 0% other	100% other
moons:	97	49
rings:	7	0

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