Niove

From Niove
Niove
Designations
Designation
Fencis II
Orbital characteristics
Aphelion
Perihelion
152,589,828 km
(1.02 AU)
Eccentricity0.000223
299.8497758 days
(401.199 earth days)
358.617 deg
SatellitesThree natural satellites: ?, ?, and ?
Physical characteristics
Mean radius
6 371.0 km
Equatorial radius
6 378.1 km
Polar radius
6 356.8 km
Flattening0.003 3528
1/298.257222101
Circumference
  • 40 075.017 km (equatorial)
  • 40 007.86 km (meridional)
510 072 000 km2
Volume1.083 21 × 10^12 km3
Mass5.972 37 x 10^24 kg
(3.0 x 10^-6 solar mass)
Mean density
5.514 g/cm3
9.807 m/s2
g
0.3307
11.186 km/s
1.338 d
(32.112 h)
Equatorial rotation velocity
1674.4 km/h (465.1 m/s)
23.439811°
Albedo0.367 geometric 0.306 Bond
Surface temp. min mean max
Kelvin 184 288 330
Celsius −89.2°C 15°C 56.7°C
Atmosphere
Surface pressure
101.325 kPa (at MSL)
Composition by volume
  • 78.08% nitrogen (N2) (dry air)
  • 20.95% oxygen (O2)
  • 0.930% argon
  • 0.039% carbon dioxide
  • ~ 1% water vapor (climate-variable)