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LBD728: red dwarf star with 13 planets

  LBD728.1   LBD728.2   LBD728.3   LBD728.4   LBD728.5   LBD728.6  
LBD728.7
 
LBD728.8
 
LBD728.9
 
LBD728.10
  LBD728.11  
LBD728.12
  LBD728.13  

Solar system 'LBD728' comprises the star 'LBD728' and the retinue of celestial objects gravitationally bound to it: 13 planets and their 766 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LBD728', a red dwarf class star that contains about 96.69% of the system's known mass and dominates it gravitationally. LBD728 is located more than 3925 lightyears from the center of the galaxy.

This solar system comprises 13 planets

LBD728.1 is a medium terrestrial planet (5678 km radius) which orbits its star in 7 Earth days, one day on LBD728.1 lasts 20 Earth hours. Its average temperature is 1752 K (1479 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LBD728.2 is a medium terrestrial planet (5120 km radius) which orbits its star in 41 Earth days, one day on LBD728.2 lasts 22 Earth hours. Its average temperature is 1443 K (1170 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 1 moons.
LBD728.3 is a very small terrestrial planet (2773 km radius) which orbits its star in 108 Earth days, one day on LBD728.3 lasts 45 Earth hours. Its average temperature is 1221 K (948 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LBD728.4 is a very large terrestrial planet (11846 km radius) which orbits its star in 737 Earth days, one day on LBD728.4 lasts 14 Earth hours. Its average temperature is 125 K (-148 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
LBD728.5 is a medium terrestrial planet (6752 km radius) which orbits its star in 1354 Earth days, one day on LBD728.5 lasts 18 Earth hours. Its average temperature is 69 K (-204 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 20 moons.
LBD728.6 is a very large terrestrial planet (9969 km radius) which orbits its star in 2489 Earth days, one day on LBD728.6 lasts 15 Earth hours. Its average temperature is 37 K (-236 C), its atmosphere mainly consists of nitrogen and it has 17 moons.
LBD728.7 is a large gas giant (53137 km radius) which orbits its star in 92433 Earth days, one day on LBD728.7 lasts 13 Earth hours. Its average temperature is 1009 K (736 C), its atmosphere mainly consists of hydrogen, helium and it has 118 moons.
LBD728.8 is a large gas giant (56179 km radius) which orbits its star in 169811 Earth days, one day on LBD728.8 lasts 13 Earth hours. Its average temperature is 1061 K (788 C), its atmosphere mainly consists of hydrogen, helium and it has 54 moons.
LBD728.9 is a large gas giant (76371 km radius) which orbits its star in 414778 Earth days, one day on LBD728.9 lasts 13 Earth hours. Its average temperature is 1699 K (1426 C), its atmosphere mainly consists of hydrogen, helium and it has 103 moons.
LBD728.10 is a medium gas giant (21640 km radius) which orbits its star in 761997 Earth days, one day on LBD728.10 lasts 13 Earth hours. Its average temperature is 1174 K (901 C), its atmosphere mainly consists of hydrogen, helium and it has 161 moons.
LBD728.11 is a large gas giant (75517 km radius) which orbits its star in 1399878 Earth days, one day on LBD728.11 lasts 13 Earth hours. Its average temperature is 1136 K (863 C), its atmosphere mainly consists of hydrogen and it has 154 moons.
LBD728.12 is a large gas giant (68386 km radius) which orbits its star in 2571741 Earth days, one day on LBD728.12 lasts 13 Earth hours. Its average temperature is 1068 K (795 C), its atmosphere mainly consists of hydrogen and it has 87 moons.
LBD728.13 is a small terrestrial planet (4874 km radius) which orbits its star in 3380641 Earth days, one day on LBD728.13 lasts 23 Earth hours. Its average temperature is 1075 K (802 C), its atmosphere mainly consists of and it has 37 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LBD728.1LBD728.2LBD728.3LBD728.4LBD728.5
distance from star:5*106 km16*106 km30*106 km110*106 km166*106 km
radius:5678 km5120 km2773 km11846 km6752 km
mass:1464*1021 kg1073*1021 kg170*1021 kg13298*1021 kg2462*1021 kg
surface gravity: 3.03 m/s2
0.30 Earths
2.73 m/s2
0.27 Earths
1.47 m/s2
0.15 Earths
6.32 m/s2
0.64 Earths
3.60 m/s2
0.36 Earths
escape velocity:5.866 km/s5.289 km/s2.860 km/s12.24 km/s6.976 km/s
year: 8 LBD728.1 days
7 Earth days
44 LBD728.2 days
41 Earth days
57 LBD728.3 days
108 Earth days
1263 LBD728.4 days
737 Earth days
1805 LBD728.5 days
1354 Earth days
day:20 hrs22 hrs45 hrs14 hrs18 hrs
axial tilt:25°19°17°228°
temperature:1752 K
1479 C
1443 K
1170 C
1221 K
948 C
125 K
-148 C
69 K
-204 C
atmosphere:79% N2
16% O2
5% CO2
0% other
65% N2
1% O2
34% CO2
0% other
85% N2
10% O2
5% CO2
0% other
9% H2
2% He
62% N2
26% O2
1% CO2
0% other
47% N2
53% CO2
0% other
moons:0101420
rings:00000

planet:LBD728.6LBD728.7LBD728.8LBD728.9LBD728.10
distance from star:249*106 km2778*106 km4167*106 km7558*106 km11337*106 km
radius:9969 km53137 km56179 km76371 km21640 km
mass:7925*1021 kg1200275*1021 kg1418443*1021 kg3563488*1021 kg81070*1021 kg
surface gravity: 5.32 m/s2
0.54 Earths
28.3 m/s2
2.89 Earths
29.9 m/s2
3.05 Earths
40.7 m/s2
4.16 Earths
11.5 m/s2
1.17 Earths
escape velocity:10.30 km/s54.91 km/s58.05 km/s78.92 km/s22.36 km/s
year: 3982 LBD728.6 days
2489 Earth days
170645 LBD728.7 days
92433 Earth days
313497 LBD728.8 days
169811 Earth days
765744 LBD728.9 days
414778 Earth days
1406763 LBD728.10 days
761997 Earth days
day:15 hrs13 hrs13 hrs13 hrs13 hrs
axial tilt:17°46°
temperature:37 K
-236 C
1009 K
736 C
1061 K
788 C
1699 K
1426 C
1174 K
901 C
atmosphere:89% N2
10% O2
1% CO2
0% other
86% H2
14% He
0% other
88% H2
12% He
0% other
84% H2
16% He
0% other
76% H2
24% He
0% other
moons:1711854103161
rings:013172424

planet:LBD728.11LBD728.12LBD728.13
distance from star:17006*106 km25509*106 km30611*106 km
radius:75517 km68386 km4874 km
mass:3445277*1021 kg2558536*1021 kg926*1021 kg
surface gravity: 40.3 m/s2
4.12 Earths
36.5 m/s2
3.73 Earths
2.60 m/s2
0.26 Earths
escape velocity:78.03 km/s70.66 km/s5.035 km/s
year: 2584390 LBD728.11 days
1399878 Earth days
4747829 LBD728.12 days
2571741 Earth days
3527625 LBD728.13 days
3380641 Earth days
day:13 hrs13 hrs23 hrs
axial tilt:43°20°
temperature:1136 K
863 C
1068 K
795 C
1075 K
802 C
atmosphere:96% H2
4% He
0% other
91% H2
9% He
0% other
100% other
moons:1548737
rings:0240

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