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LDD987: red dwarf star with 13 planets

  LDD987.1   LDD987.2   LDD987.3   LDD987.4  
LDD987.5
  LDD987.6  
LDD987.7
 
LDD987.8
 
LDD987.9
 
LDD987.10
 
LDD987.11
 
LDD987.12
  LDD987.13  

Solar system 'LDD987' comprises the star 'LDD987' and the retinue of celestial objects gravitationally bound to it: 13 planets and their 812 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDD987', a red dwarf class star that contains about 99.21% of the system's known mass and dominates it gravitationally. LDD987 is located more than 5235 lightyears from the center of the galaxy.

This solar system comprises 13 planets

LDD987.1 is a large terrestrial planet (7721 km radius) which orbits its star in 99 Earth days, one day on LDD987.1 lasts 17 Earth hours. Its average temperature is 1204 K (931 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LDD987.2 is a small terrestrial planet (3768 km radius) which orbits its star in 224 Earth days, one day on LDD987.2 lasts 30 Earth hours. Its average temperature is 812 K (539 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LDD987.3 is a small terrestrial planet (4896 km radius) which orbits its star in 498 Earth days, one day on LDD987.3 lasts 23 Earth hours. Its average temperature is 419 K (146 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
LDD987.4 is a large terrestrial planet (7172 km radius) which orbits its star in 916 Earth days, one day on LDD987.4 lasts 17 Earth hours. Its average temperature is 248 K (-25 C), its atmosphere mainly consists of nitrogen and it has 15 moons.
LDD987.5 is a large terrestrial planet (7534 km radius) which orbits its star in 1683 Earth days, one day on LDD987.5 lasts 17 Earth hours. Its average temperature is 138 K (-135 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 24 moons.
LDD987.6 is a very large terrestrial planet (11536 km radius) which orbits its star in 3093 Earth days, one day on LDD987.6 lasts 14 Earth hours. Its average temperature is 73 K (-200 C), its atmosphere mainly consists of nitrogen and it has 28 moons.
LDD987.7 is a large gas giant (47235 km radius) which orbits its star in 71434 Earth days, one day on LDD987.7 lasts 13 Earth hours. Its average temperature is 1405 K (1132 C), its atmosphere mainly consists of hydrogen and it has 103 moons.
LDD987.8 is a large gas giant (70992 km radius) which orbits its star in 251087 Earth days, one day on LDD987.8 lasts 13 Earth hours. Its average temperature is 1363 K (1090 C), its atmosphere mainly consists of hydrogen, helium and it has 144 moons.
LDD987.9 is a huge terrestrial planet (13752 km radius) which orbits its star in 461276 Earth days, one day on LDD987.9 lasts 14 Earth hours. Its average temperature is 1504 K (1231 C), its atmosphere mainly consists of hydrogen and it has 84 moons.
LDD987.10 is a large gas giant (58265 km radius) which orbits its star in 847419 Earth days, one day on LDD987.10 lasts 13 Earth hours. Its average temperature is 1943 K (1670 C), its atmosphere mainly consists of hydrogen, helium and it has 137 moons.
LDD987.11 is a large gas giant (59150 km radius) which orbits its star in 1556809 Earth days, one day on LDD987.11 lasts 13 Earth hours. Its average temperature is 1094 K (821 C), its atmosphere mainly consists of hydrogen and it has 122 moons.
LDD987.12 is a large gas giant (40745 km radius) which orbits its star in 2860042 Earth days, one day on LDD987.12 lasts 13 Earth hours. Its average temperature is 1565 K (1292 C), its atmosphere mainly consists of hydrogen, helium and it has 97 moons.
LDD987.13 is a large terrestrial planet (7477 km radius) which orbits its star in 3759623 Earth days, one day on LDD987.13 lasts 17 Earth hours. Its average temperature is 1013 K (740 C), its atmosphere mainly consists of and it has 51 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LDD987.1LDD987.2LDD987.3LDD987.4LDD987.5
distance from star:29*106 km50*106 km85*106 km128*106 km192*106 km
radius:7721 km3768 km4896 km7172 km7534 km
mass:3682*1021 kg427*1021 kg938*1021 kg2951*1021 kg3421*1021 kg
surface gravity: 4.12 m/s2
0.42 Earths
2.00 m/s2
0.20 Earths
2.61 m/s2
0.26 Earths
3.82 m/s2
0.39 Earths
4.02 m/s2
0.41 Earths
escape velocity:7.978 km/s3.889 km/s5.057 km/s7.411 km/s7.785 km/s
year: 139 LDD987.1 days
99 Earth days
179 LDD987.2 days
224 Earth days
519 LDD987.3 days
498 Earth days
1293 LDD987.4 days
916 Earth days
2376 LDD987.5 days
1683 Earth days
day:17 hrs30 hrs23 hrs17 hrs17 hrs
axial tilt:29°10°
temperature:1204 K
931 C
812 K
539 C
419 K
146 C
248 K
-25 C
138 K
-135 C
atmosphere:61% N2
39% O2
0% other
1% H2
1% He
68% N2
29% O2
1% CO2
0% other
4% H2
1% He
58% N2
36% O2
1% CO2
0% other
87% N2
7% O2
6% CO2
0% other
84% N2
5% O2
11% CO2
0% other
moons:0071524
rings:00003

planet:LDD987.6LDD987.7LDD987.8LDD987.9LDD987.10
distance from star:288*106 km2339*106 km5408*106 km8113*106 km12169*106 km
radius:11536 km47235 km70992 km13752 km58265 km
mass:12281*1021 kg843105*1021 kg2862320*1021 kg20805*1021 kg1582388*1021 kg
surface gravity: 6.15 m/s2
0.62 Earths
25.2 m/s2
2.57 Earths
37.9 m/s2
3.87 Earths
7.34 m/s2
0.75 Earths
31.1 m/s2
3.17 Earths
escape velocity:11.92 km/s48.81 km/s73.36 km/s14.21 km/s60.21 km/s
year: 5302 LDD987.6 days
3093 Earth days
131878 LDD987.7 days
71434 Earth days
463545 LDD987.8 days
251087 Earth days
790758 LDD987.9 days
461276 Earth days
1564465 LDD987.10 days
847419 Earth days
day:14 hrs13 hrs13 hrs14 hrs13 hrs
axial tilt:30°
temperature:73 K
-200 C
1405 K
1132 C
1363 K
1090 C
1504 K
1231 C
1943 K
1670 C
atmosphere:90% N2
7% O2
3% CO2
0% other
94% H2
6% He
0% other
77% H2
23% He
0% other
92% H2
8% He
0% other
80% H2
20% He
0% other
moons:2810314484137
rings:0513201

planet:LDD987.11LDD987.12LDD987.13
distance from star:18254*106 km27382*106 km32858*106 km
radius:59150 km40745 km7477 km
mass:1655595*1021 kg541144*1021 kg3344*1021 kg
surface gravity: 31.5 m/s2
3.22 Earths
21.7 m/s2
2.21 Earths
3.99 m/s2
0.40 Earths
escape velocity:61.12 km/s42.10 km/s7.726 km/s
year: 2874108 LDD987.11 days
1556809 Earth days
5280077 LDD987.12 days
2860042 Earth days
5307703 LDD987.13 days
3759623 Earth days
day:13 hrs13 hrs17 hrs
axial tilt:15°21°
temperature:1094 K
821 C
1565 K
1292 C
1013 K
740 C
atmosphere:97% H2
3% He
0% other
78% H2
22% He
0% other
100% other
moons:1229751
rings:1950

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