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LDA839: red dwarf star with 8 planets

 
LDA839.1
 
LDA839.2
 
LDA839.3
 
LDA839.4
 
LDA839.5
 
LDA839.6
 
LDA839.7
  LDA839.8  

Solar system 'LDA839' comprises the star 'LDA839' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 706 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDA839', a red dwarf class star that contains about 98.86% of the system's known mass and dominates it gravitationally. LDA839 is located more than 5145 lightyears from the center of the galaxy.

This solar system comprises 8 planets

LDA839.1 is a very large terrestrial planet (11522 km radius) which orbits its star in 267 Earth days, one day on LDA839.1 lasts 9 Earth hours. Its average temperature is 1508 K (1235 C), its atmosphere mainly consists of hydrogen, helium and it has 13 moons.
LDA839.2 is a large gas giant (73289 km radius) which orbits its star in 136929 Earth days, one day on LDA839.2 lasts 8 Earth hours. Its average temperature is 1198 K (925 C), its atmosphere mainly consists of hydrogen and it has 109 moons.
LDA839.3 is a medium terrestrial planet (6919 km radius) which orbits its star in 251556 Earth days, one day on LDA839.3 lasts 13 Earth hours. Its average temperature is 1528 K (1255 C), its atmosphere mainly consists of hydrogen, helium and it has 81 moons.
LDA839.4 is a huge terrestrial planet (14291 km radius) which orbits its star in 462137 Earth days, one day on LDA839.4 lasts 9 Earth hours. Its average temperature is 1662 K (1389 C), its atmosphere mainly consists of hydrogen and it has 83 moons.
LDA839.5 is a large gas giant (62144 km radius) which orbits its star in 849001 Earth days, one day on LDA839.5 lasts 8 Earth hours. Its average temperature is 1470 K (1197 C), its atmosphere mainly consists of hydrogen, helium and it has 111 moons.
LDA839.6 is a huge terrestrial planet (13531 km radius) which orbits its star in 1559715 Earth days, one day on LDA839.6 lasts 9 Earth hours. Its average temperature is 1770 K (1497 C), its atmosphere mainly consists of hydrogen and it has 131 moons.
LDA839.7 is a large gas giant (50999 km radius) which orbits its star in 2865380 Earth days, one day on LDA839.7 lasts 8 Earth hours. Its average temperature is 1030 K (757 C), its atmosphere mainly consists of hydrogen, helium and it has 117 moons.
LDA839.8 is a large terrestrial planet (8954 km radius) which orbits its star in 3766640 Earth days, one day on LDA839.8 lasts 11 Earth hours. Its average temperature is 1028 K (755 C), its atmosphere mainly consists of and it has 61 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LDA839.1LDA839.2LDA839.3LDA839.4LDA839.5
distance from star:56*106 km3610*106 km5415*106 km8123*106 km12185*106 km
radius:11522 km73289 km6919 km14291 km62144 km
mass:12236*1021 kg3149244*1021 kg2649*1021 kg23349*1021 kg1919939*1021 kg
surface gravity: 6.15 m/s2
0.62 Earths
39.1 m/s2
3.99 Earths
3.69 m/s2
0.37 Earths
7.63 m/s2
0.78 Earths
33.1 m/s2
3.38 Earths
escape velocity:11.90 km/s75.73 km/s7.148 km/s14.76 km/s64.21 km/s
year: 712 LDA839.1 days
267 Earth days
410787 LDA839.2 days
136929 Earth days
464411 LDA839.3 days
251556 Earth days
1232365 LDA839.4 days
462137 Earth days
2547003 LDA839.5 days
849001 Earth days
day:9 hrs8 hrs13 hrs9 hrs8 hrs
axial tilt:67°
temperature:1508 K
1235 C
1198 K
925 C
1528 K
1255 C
1662 K
1389 C
1470 K
1197 C
atmosphere:86% H2
14% He
0% other
100% H2
0% other
80% H2
20% He
0% other
90% H2
10% He
0% other
88% H2
12% He
0% other
moons:131098183111
rings:71919204

planet:LDA839.6LDA839.7LDA839.8
distance from star:18277*106 km27416*106 km32899*106 km
radius:13531 km50999 km8954 km
mass:19818*1021 kg1061145*1021 kg5743*1021 kg
surface gravity: 7.22 m/s2
0.73 Earths
27.2 m/s2
2.78 Earths
4.78 m/s2
0.48 Earths
escape velocity:13.98 km/s52.70 km/s9.252 km/s
year: 4159240 LDA839.6 days
1559715 Earth days
8596140 LDA839.7 days
2865380 Earth days
8218123 LDA839.8 days
3766640 Earth days
day:9 hrs8 hrs11 hrs
axial tilt:
temperature:1770 K
1497 C
1030 K
757 C
1028 K
755 C
atmosphere:99% H2
1% He
0% other
84% H2
16% He
0% other
100% other
moons:13111761
rings:2240

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