Planetary
data:
Name:
Vienanuk
Orbital
period in years: 120.92
Orbital
period in days: 44165.48
Orbital
period in hours: 1059971.47
Orbital
radius (mean) km: 3.64E+9
Planetary
diameter, km: 5184
Surface
g, m/s/s: 1.49
Earth
gravities: 0.15
Planetary
mass, kg: 149.54E+21
Planetary
mass, Earths: 0.03
Planetary
volume, m^3: 72.94E+18
Planetary
volume, Earths: 0.07
Approximate
planetary temperature, K: 57
Density,
g/cm^3: 2.05
Axial
tilt, degrees: 14.51
Rotational
period, hrs: 25.46
Atmospheric
composition:
Pressure
in millibars:
Hydrogen
(H2): 0.00
Helium
(He): 0.00
Oxygen
(O2): 0.00
Nitrogen
(N2): 298.10
Carbon
dioxide (CO2): 0.00
Ammonia
(NH3): 0.00
Methane
(CH4): 113.97
Sulphur
dioxide (SO2): 0.00
Hydrogen
sulphide (H2S): 0.00
Total
atmospheric pressure, bar: ~0.41 (composition and pressure change with seasons
significantly)
Atmospheric
gas speed analysis
Numbers
reflect escape velocity/r.m.s. speeds of molecules
Hydrogen
(H2): 3.92
Helium
(He): 7.85
Oxygen
(O2): 62.76
Nitrogen
(N2): 54.92
Carbon
dioxide (CO2): 86.30
Argon
(Ar): 78.45
Krypton
(Kr): 164.75
Neon
(Ne): 39.62
Water
Vapour (H20): 31.38
Methane
(CH4): 31.38
Ozone
(O3): 94.14
Sulphur
Dioxide (SO2): 125.52
Benzene
(C6H6): 35.30
Ethane
(C2H6): 58.84
Hydrogen
Sulphide (H2S): 66.68
Ammonia
(NH3): 33.34
Surface
hydrosphere:
Potential
surface liquids:
Water
(H2O): No
Ammonia
(NH3): No
Sulphur
dioxide (SO2): No
Carbon
dioxide (CO2): No
Oxygen
(O2): No
Nitrogen
(N2): Subsurface only
Neon
(Ne): No
Deuterium
(D): No
Hydrogen
(H): No
Helium
(He): No
Arbitrary
condensation points for compounds in the formation region. numbers approaching
one indicate a relatively high acquisition rate, where as higher or lower
numbers indicate less abundant compounds.
TiC:
0.08
Al2O3:
0.09
C
(graphite): 0.09
SiC:
0.09
CaAl2O19:
0.09
CaTiO3:
0.09
Ca2Al2O4:
0.10
MgAl2O4:
0.10
Fe3C:
0.11
Fe:
0.11
Mg2SiO4:
0.11
AlN:
0.11
CaS:
0.12
Mg2SiO4:
0.14
TiN:
0.15
FeS:
0.28
FeO:
0.28
Ca2Mg5Si8O22:
0.26
H2O:
0.21
NH3:
0.29
H2SO4:
0.20
C6H6:
0.22
CH4:
0.58
CO2:
0.19
N2:
0.45
O2:
0.37
H2:
1.72
He:
11.34
