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[Zekes please write]
Orbital Parameters
Apoapsis 21,783,189,000m
Periapsis 19,669,121,000m
Semi-major axis 20,726,155,000m
Orbital eccentricity 0.051
Orbital period (sidereal) 801.6388889 days
Average orbital speed 7.531km/s
Mean anomaly 179.909°
Inclination 0.06°
Satellites 1 permanent natural satellite; Ike
Physical Characteristics
Equatorial radius 320,000m
Circumference 2,010,619m
Surface area 1.2867964×1012m2
Mass 4.51542×1021kg
Mean density 32,897.302kg/m3
Surface gravity 2.94m/s<sup2 (0.3g)
Escape velocity 1.372km/s
Sidereal rotation period 65,517.859s (3d,0h,11m,57.9s)
Solar day 65,767s (3d,0h,16m,6.7s)
Axial tilt
Surface equivalent dose rate 24.502μSv/h
Surface atmospheric pressure 6.755kPa (0.0667 atm)
Sphere of influence 47,921,949m
Discovered Prehistoric times
Landed upon some time later

Duna is the fourth planet from Kerbol.