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WHD788: yellow dwarf star with 4 planets

 
WHD788.1
 
WHD788.2
 
WHD788.3
 
WHD788.4
 

Solar system 'WHD788' comprises the star 'WHD788' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 385 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WHD788', a yellow dwarf class star that contains about 99.84% of the system's known mass and dominates it gravitationally. WHD788 is located more than 3863 lightyears from the center of the galaxy.

This solar system comprises 4 planets

WHD788.1 is a large gas giant (61446 km radius) which orbits its star in 59560 Earth days, one day on WHD788.1 lasts 4 Earth hours. Its average temperature is 1094 K (821 C), its atmosphere mainly consists of hydrogen, helium and it has 93 moons.
WHD788.2 is a medium terrestrial planet (6689 km radius) which orbits its star in 109420 Earth days, one day on WHD788.2 lasts 9 Earth hours. Its average temperature is 1270 K (997 C), its atmosphere mainly consists of hydrogen and it has 134 moons.
WHD788.3 is a small gas giant (19976 km radius) which orbits its star in 201017 Earth days, one day on WHD788.3 lasts 4 Earth hours. Its average temperature is 1600 K (1327 C), its atmosphere mainly consists of hydrogen, helium and it has 97 moons.
WHD788.4 is a large gas giant (65108 km radius) which orbits its star in 369292 Earth days, one day on WHD788.4 lasts 4 Earth hours. Its average temperature is 1374 K (1101 C), its atmosphere mainly consists of hydrogen, helium and it has 61 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WHD788.1WHD788.2WHD788.3WHD788.4
distance from star:2072*106 km3109*106 km4663*106 km6995*106 km
radius:61446 km6689 km19976 km65108 km
mass:1855969*1021 kg2394*1021 kg63769*1021 kg2207969*1021 kg
surface gravity: 32.8 m/s2
3.35 Earths
3.57 m/s2
0.36 Earths
10.6 m/s2
1.08 Earths
34.7 m/s2
3.54 Earths
escape velocity:63.49 km/s6.911 km/s20.64 km/s67.28 km/s
year: 357360 WHD788.1 days
59560 Earth days
291786 WHD788.2 days
109420 Earth days
1206102 WHD788.3 days
201017 Earth days
2215752 WHD788.4 days
369292 Earth days
day:4 hrs9 hrs4 hrs4 hrs
axial tilt:65°
temperature:1094 K
821 C
1270 K
997 C
1600 K
1327 C
1374 K
1101 C
atmosphere:79% H2
21% He
0% other
96% H2
4% He
0% other
81% H2
19% He
0% other
82% H2
18% He
0% other
moons:931349761
rings:21516

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