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WFA898: red dwarf star with 4 planets

  WFA898.1   WFA898.2   WFA898.3  
WFA898.4
 

Solar system 'WFA898' comprises the star 'WFA898' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 197 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WFA898', a red dwarf class star that contains about 99.94% of the system's known mass and dominates it gravitationally. WFA898 is located more than 5140 lightyears from the center of the galaxy.

This solar system comprises 4 planets

WFA898.1 is a large terrestrial planet (7909 km radius) which orbits its star in 367 Earth days, one day on WFA898.1 lasts 7 Earth hours. Its average temperature is 172 K (-101 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
WFA898.2 is a medium terrestrial planet (5105 km radius) which orbits its star in 734 Earth days, one day on WFA898.2 lasts 13 Earth hours. Its average temperature is 137 K (-136 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
WFA898.3 is a huge terrestrial planet (13199 km radius) which orbits its star in 2927 Earth days, one day on WFA898.3 lasts 5 Earth hours. Its average temperature is 1708 K (1435 C), its atmosphere mainly consists of hydrogen and it has 89 moons.
WFA898.4 is a medium gas giant (37731 km radius) which orbits its star in 52575 Earth days, one day on WFA898.4 lasts 4 Earth hours. Its average temperature is 1687 K (1414 C), its atmosphere mainly consists of hydrogen and it has 96 moons.
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Planetary Orbits

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Planetary Statistics

planet:WFA898.1WFA898.2WFA898.3WFA898.4
distance from star:69*106 km110*106 km278*106 km1907*106 km
radius:7909 km5105 km13199 km37731 km
mass:3957*1021 kg1064*1021 kg18395*1021 kg429719*1021 kg
surface gravity: 4.22 m/s2
0.43 Earths
2.72 m/s2
0.27 Earths
7.04 m/s2
0.71 Earths
20.1 m/s2
2.05 Earths
escape velocity:8.172 km/s5.274 km/s13.63 km/s38.99 km/s
year: 1258 WFA898.1 days
367 Earth days
1355 WFA898.2 days
734 Earth days
14049 WFA898.3 days
2927 Earth days
315450 WFA898.4 days
52575 Earth days
day:7 hrs13 hrs5 hrs4 hrs
axial tilt:10°177°
temperature:172 K
-101 C
137 K
-136 C
1708 K
1435 C
1687 K
1414 C
atmosphere:66% N2
32% O2
2% CO2
0% other
85% N2
15% O2
0% other
96% H2
4% He
0% other
91% H2
9% He
0% other
moons:758996
rings:00021

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