UCB976: red dwarf star with 18 planets

Solar system 'UCB976' comprises the star 'UCB976' and the retinue of celestial objects gravitationally bound to it: 18 planets and their 1180 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UCB976', a red dwarf class star that contains about 99.23% of the system's known mass and dominates it gravitationally. UCB976 is located more than 1464 lightyears from the center of the galaxy.

This solar system comprises 18 planets

	UCB976.1 is a large terrestrial planet (8259 km radius) which orbits its star in 193 Earth days, one day on UCB976.1 lasts 21 Earth hours. Its average temperature is 437 K (164 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 17 moons.
	UCB976.2 is a very large terrestrial planet (9966 km radius) which orbits its star in 1009 Earth days, one day on UCB976.2 lasts 20 Earth hours. Its average temperature is 96 K (-177 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
	UCB976.3 is a very large terrestrial planet (11345 km radius) which orbits its star in 1855 Earth days, one day on UCB976.3 lasts 19 Earth hours. Its average temperature is 64 K (-209 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
	UCB976.4 is a small terrestrial planet (4492 km radius) which orbits its star in 3407 Earth days, one day on UCB976.4 lasts 30 Earth hours. Its average temperature is 38 K (-235 C), its atmosphere mainly consists of nitrogen, oxygen and it has 20 moons.
	UCB976.5 is a small terrestrial planet (4504 km radius) which orbits its star in 6260 Earth days, one day on UCB976.5 lasts 30 Earth hours. Its average temperature is 21 K (-252 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
	UCB976.6 is a medium terrestrial planet (6896 km radius) which orbits its star in 11501 Earth days, one day on UCB976.6 lasts 23 Earth hours. Its average temperature is 11 K (-262 C), its atmosphere mainly consists of nitrogen and it has 19 moons.
	UCB976.7 is a medium terrestrial planet (5105 km radius) which orbits its star in 21129 Earth days, one day on UCB976.7 lasts 27 Earth hours. Its average temperature is 5 K (-268 C), its atmosphere mainly consists of nitrogen, oxygen and it has 37 moons.
	UCB976.8 is a medium terrestrial planet (5325 km radius) which orbits its star in 38817 Earth days, one day on UCB976.8 lasts 26 Earth hours. Its average temperature is 2 K (-271 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
	UCB976.9 is a very large terrestrial planet (11193 km radius) which orbits its star in 71312 Earth days, one day on UCB976.9 lasts 19 Earth hours. Its average temperature is 1 K (-272 C), its atmosphere mainly consists of nitrogen, oxygen and it has 40 moons.
	UCB976.10 is a medium gas giant (32584 km radius) which orbits its star in 131008 Earth days, one day on UCB976.10 lasts 18 Earth hours. Its average temperature is 1667 K (1394 C), its atmosphere mainly consists of hydrogen and it has 121 moons.
	UCB976.11 is a large gas giant (50591 km radius) which orbits its star in 240678 Earth days, one day on UCB976.11 lasts 18 Earth hours. Its average temperature is 1148 K (875 C), its atmosphere mainly consists of hydrogen, helium and it has 122 moons.
	UCB976.12 is a large gas giant (50028 km radius) which orbits its star in 442154 Earth days, one day on UCB976.12 lasts 18 Earth hours. Its average temperature is 1475 K (1202 C), its atmosphere mainly consists of hydrogen, helium and it has 163 moons.
	UCB976.13 is a large gas giant (58233 km radius) which orbits its star in 812289 Earth days, one day on UCB976.13 lasts 18 Earth hours. Its average temperature is 1940 K (1667 C), its atmosphere mainly consists of hydrogen and it has 123 moons.
	UCB976.14 is a large gas giant (57470 km radius) which orbits its star in 1492270 Earth days, one day on UCB976.14 lasts 18 Earth hours. Its average temperature is 1993 K (1720 C), its atmosphere mainly consists of hydrogen and it has 47 moons.
	UCB976.15 is a large gas giant (50924 km radius) which orbits its star in 2741475 Earth days, one day on UCB976.15 lasts 18 Earth hours. Its average temperature is 1737 K (1464 C), its atmosphere mainly consists of hydrogen, helium and it has 134 moons.
	UCB976.16 is a large terrestrial planet (7835 km radius) which orbits its star in 5036412 Earth days, one day on UCB976.16 lasts 22 Earth hours. Its average temperature is 1009 K (736 C), its atmosphere mainly consists of hydrogen and it has 177 moons.
	UCB976.17 is a medium terrestrial planet (6498 km radius) which orbits its star in 6620535 Earth days, one day on UCB976.17 lasts 23 Earth hours. Its average temperature is 1557 K (1284 C), its atmosphere mainly consists of and it has 64 moons.
	UCB976.18 is a very small terrestrial planet (2179 km radius) which orbits its star in 8702920 Earth days, one day on UCB976.18 lasts 71 Earth hours. Its average temperature is 1158 K (885 C), its atmosphere mainly consists of and it has 43 moons.
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Planetary Orbits

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Planetary Statistics

planet:	UCB976.1	UCB976.2	UCB976.3	UCB976.4	UCB976.5
distance from star:	45*10⁶ km	136*10⁶ km	205*10⁶ km	307*10⁶ km	461*10⁶ km
radius:	8259 km	9966 km	11345 km	4492 km	4504 km
mass:	4506*10²¹ kg	7918*10²¹ kg	11681*10²¹ kg	725*10²¹ kg	730*10²¹ kg
surface gravity:	4.40 m/s² 0.44 Earths	5.32 m/s² 0.54 Earths	6.05 m/s² 0.61 Earths	2.39 m/s² 0.24 Earths	2.40 m/s² 0.24 Earths
escape velocity:	8.533 km/s	10.29 km/s	11.72 km/s	4.641 km/s	4.651 km/s
year:	220 UCB976.1 days 193 Earth days	1210 UCB976.2 days 1009 Earth days	2343 UCB976.3 days 1855 Earth days	2725 UCB976.4 days 3407 Earth days	5008 UCB976.5 days 6260 Earth days
day:	21 hrs	20 hrs	19 hrs	30 hrs	30 hrs
axial tilt:	11°	12°	14°	7°	243°
temperature:	437 K 164 C	96 K -177 C	64 K -209 C	38 K -235 C	21 K -252 C
atmosphere:	12% H2 2% He 51% N2 33% O2 2% CO2 0% other	1% H2 1% He 77% N2 20% O2 1% CO2 0% other	64% N2 35% O2 1% CO2 0% other	5% H2 2% He 53% N2 39% O2 1% CO2 0% other	3% H2 1% He 74% N2 21% O2 1% CO2 0% other
moons:	17	19	21	20	3
rings:	3	0	0	0	6

planet:	UCB976.6	UCB976.7	UCB976.8	UCB976.9	UCB976.10
distance from star:	692*10⁶ km	1038*10⁶ km	1558*10⁶ km	2337*10⁶ km	3505*10⁶ km
radius:	6896 km	5105 km	5325 km	11193 km	32584 km
mass:	2623*10²¹ kg	1064*10²¹ kg	1207*10²¹ kg	11218*10²¹ kg	276759*10²¹ kg
surface gravity:	3.68 m/s² 0.37 Earths	2.72 m/s² 0.27 Earths	2.84 m/s² 0.29 Earths	5.97 m/s² 0.61 Earths	17.3 m/s² 1.76 Earths
escape velocity:	7.125 km/s	5.274 km/s	5.500 km/s	11.56 km/s	33.67 km/s
year:	12001 UCB976.6 days 11501 Earth days	18781 UCB976.7 days 21129 Earth days	35831 UCB976.8 days 38817 Earth days	90078 UCB976.9 days 71312 Earth days	174677 UCB976.10 days 131008 Earth days
day:	23 hrs	27 hrs	26 hrs	19 hrs	18 hrs
axial tilt:	15°	6°	13°	24°	65°
temperature:	11 K -262 C	5 K -268 C	2 K -271 C	1 K -272 C	1667 K 1394 C
atmosphere:	95% N2 4% O2 1% CO2 0% other	1% He 74% N2 25% O2 0% other	3% H2 1% He 80% N2 16% O2 0% other	5% H2 2% He 43% N2 49% O2 1% CO2 0% other	100% H2 0% other
moons:	19	37	10	40	121
rings:	1	0	0	0	18

planet:	UCB976.11	UCB976.12	UCB976.13	UCB976.14	UCB976.15
distance from star:	5258*10⁶ km	7887*10⁶ km	11831*10⁶ km	17746*10⁶ km	26620*10⁶ km
radius:	50591 km	50028 km	58233 km	57470 km	50924 km
mass:	1035880*10²¹ kg	1001680*10²¹ kg	1579783*10²¹ kg	1518495*10²¹ kg	1056470*10²¹ kg
surface gravity:	27.0 m/s² 2.76 Earths	26.7 m/s² 2.73 Earths	31.0 m/s² 3.16 Earths	30.6 m/s² 3.12 Earths	27.1 m/s² 2.77 Earths
escape velocity:	52.27 km/s	51.69 km/s	60.17 km/s	59.38 km/s	52.62 km/s
year:	320904 UCB976.11 days 240678 Earth days	589538 UCB976.12 days 442154 Earth days	1083052 UCB976.13 days 812289 Earth days	1989693 UCB976.14 days 1492270 Earth days	3655300 UCB976.15 days 2741475 Earth days
day:	18 hrs	18 hrs	18 hrs	18 hrs	18 hrs
axial tilt:	48°	0°	3°	4°	3°
temperature:	1148 K 875 C	1475 K 1202 C	1940 K 1667 C	1993 K 1720 C	1737 K 1464 C
atmosphere:	86% H2 14% He 0% other	80% H2 20% He 0% other	92% H2 8% He 0% other	97% H2 3% He 0% other	85% H2 15% He 0% other
moons:	122	163	123	47	134
rings:	0	0	7	11	5

planet:	UCB976.16	UCB976.17	UCB976.18
distance from star:	39930*10⁶ km	47916*10⁶ km	57499*10⁶ km
radius:	7835 km	6498 km	2179 km
mass:	3847*10²¹ kg	2194*10²¹ kg	82*10²¹ kg
surface gravity:	4.18 m/s² 0.42 Earths	3.46 m/s² 0.35 Earths	1.15 m/s² 0.11 Earths
escape velocity:	8.095 km/s	6.713 km/s	2.241 km/s
year:	5494267 UCB976.16 days 5036412 Earth days	6908384 UCB976.17 days 6620535 Earth days	2941832 UCB976.18 days 8702920 Earth days
day:	22 hrs	23 hrs	71 hrs
axial tilt:	6°	27°	30°
temperature:	1009 K 736 C	1557 K 1284 C	1158 K 885 C
atmosphere:	94% H2 6% He 0% other	100% other	100% other
moons:	177	64	43
rings:	16	10	12

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