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A photograph of Kerbin captured by Thedlick Kerman of the EVS Herald's Peer, April 4th, 2065.
Orbital Parameters
Apoapsis 13,599,840,000m
Periapsis 13,599,840,000m
Semi-major axis 13,599,840,000m
Orbital eccentricity 0
Orbital period (sidereal) 426.0900463 days
Average orbital speed 9.825km/s
Mean anomaly 179.909°
Satellites 2 natural permanent satellites: the Mun and Minmus
Physical Characteristics
Equatorial radius 600,000m
Circumference 3,769,911m
Surface area 4.5238934×1012m2
Mass 5.97217×1024kg
Mean density 58,484.090 kg/m3
Surface gravity 9.81m/s2 (1g)
Escape velocity 3.431km/s
Sidereal rotation period 21,549.425s (5h,59m,9.4s)
Solar day 21,600s (6h,0m,0s)
Axial tilt
Surface equivalent dose rate 0.268μSv/h
Surface atmospheric pressure 101.325kPa (1 atm)
Sphere of influence 84,159,286m
Discovered N/A
Landed upon N/A

Kerbin is the third planet from Kerbol and one of only two bodies in the Kerbol System known to sustain liquid surface water. Kerbin is orbited by two natural permanent satellites, the Mun and Minmus. It has a circumference of approximately 3,770km. Of the six rocky planets in the system, it is the second largest and second most massive behind Eve. Kerbin is the birthplace and home of Kerbalkind.

Life on Kerbin

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A map of the population density of Kerbin.


Altitude (m) Pressure (Pa) Pressure (atm)
0 101,325 1
2,500 69,015 0.681
5,000 45,625 0.45
7,500 29,126 0.287
10,000 17,934 0.177
15,000 6,726 0.066
20,000 2,549 0.025
25,000 993.6 0.01
30,000 404.1 0.004
40,000 79.77 0.001
50,000 15.56 0
60,000 2.387 0
70,000 0 0