HR 8799 [#2037685143915]
HR 8799 4
Type:
Class II gas giant
Distance to arrival:
3,138 ls
First scanned for EDSM by:
First mapped for EDSM by:
Estimated value:
23,221 cr
Efficiency target:
19
Earth masses:
94.4411
Radius:
57,529 km
Reserve level:
Major
Surface temperature:
151 K
Gravity:
1.16 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Atmosphere composition:
74.39%
Hydrogen
25.61% Helium
25.61% Helium
Orbital period:
4,539.1 d
Semi major axis:
6.29 au
Orbital eccentricity:
0.0006
Orbital inclination:
0.03°
Arg of periapsis:
90.74°
Rotational period:
1.3 d
Axial Tilt:
0.4572 °
Rings
Name | Type | Mass | Inner Radius | Outer Radius |
---|---|---|---|---|
HR 8799 4 A Ring | Metal Rich | 87,090,000,000 Mt | 94,924 km | 111,100 km |
HR 8799 4 B Ring | Rocky | 513,430,000,000 Mt | 111,200 km | 175,870 km |