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TDB872: yellow dwarf star with 5 planets

  TDB872.1  
TDB872.2
  TDB872.3   TDB872.4   TDB872.5  

Solar system 'TDB872' comprises the star 'TDB872' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 22 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TDB872', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. TDB872 is located more than 868 lightyears from the center of the galaxy.

This solar system comprises 5 planets

TDB872.1 is a medium terrestrial planet (6541 km radius) which orbits its star in 56 Earth days, one day on TDB872.1 lasts 10 Earth hours. Its average temperature is 1355 K (1082 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
TDB872.2 is a medium terrestrial planet (6492 km radius) which orbits its star in 399 Earth days, one day on TDB872.2 lasts 10 Earth hours. Its average temperature is 403 K (130 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
TDB872.3 is a medium terrestrial planet (5537 km radius) which orbits its star in 795 Earth days, one day on TDB872.3 lasts 13 Earth hours. Its average temperature is 241 K (-32 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
TDB872.4 is a very large terrestrial planet (10276 km radius) which orbits its star in 1461 Earth days, one day on TDB872.4 lasts 7 Earth hours. Its average temperature is 143 K (-130 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
TDB872.5 is a medium terrestrial planet (6942 km radius) which orbits its star in 4336 Earth days, one day on TDB872.5 lasts 10 Earth hours. Its average temperature is 1046 K (773 C), its atmosphere mainly consists of hydrogen and it has 4 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:TDB872.1TDB872.2TDB872.3TDB872.4TDB872.5
distance from star:20*106 km73*106 km116*106 km175*106 km361*106 km
radius:6541 km6492 km5537 km10276 km6942 km
mass:2238*1021 kg2188*1021 kg1358*1021 kg8680*1021 kg2676*1021 kg
surface gravity: 3.49 m/s2
0.35 Earths
3.46 m/s2
0.35 Earths
2.95 m/s2
0.30 Earths
5.48 m/s2
0.56 Earths
3.70 m/s2
0.37 Earths
escape velocity:6.758 km/s6.707 km/s5.721 km/s10.61 km/s7.173 km/s
year: 134 TDB872.1 days
56 Earth days
957 TDB872.2 days
399 Earth days
1467 TDB872.3 days
795 Earth days
5009 TDB872.4 days
1461 Earth days
10406 TDB872.5 days
4336 Earth days
day:10 hrs10 hrs13 hrs7 hrs10 hrs
axial tilt:21°23°19°21°
temperature:1355 K
1082 C
403 K
130 C
241 K
-32 C
143 K
-130 C
1046 K
773 C
atmosphere:81% N2
13% O2
6% CO2
0% other
79% N2
17% O2
4% CO2
0% other
6% H2
1% He
53% N2
38% O2
2% CO2
0% other
11% H2
3% He
43% N2
42% O2
1% CO2
0% other
97% H2
3% He
0% other
moons:36904
rings:02000

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