Difference between revisions of "Kerbol System"
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== System in KSP1 == | == System in KSP1 == | ||
{{:Kerbol System/Map}} | {{:Kerbol System/Map}} | ||
| + | == System in KSP2 == | ||
| + | [[File:KSP2 Kerbol System JPG.jpg|thumb|600px|center|Main celestial bodies in the Kerbol System (sizes to scale)]] | ||
== Relation to the Solar System == | == Relation to the Solar System == | ||
Revision as of 12:18, 4 March 2023
The Kerbol System is the planetary system in which Kerbal Space Program takes place. It has Kerbol as the central body which is orbited by 5 planets and 2 dwarf planets. Only Kerbin and Laythe have an oxygen atmosphere and only Kerbin hosts life.
With the outermost dwarf planet Eeloo it reaches up to 113 549 713 200 m (about 113.5 Gm or 0.76 AU) out into space. Compared to our Solar System it is a very small system, as Earth's periapsis (or more specific perihelion) is about 147 Gm (or 0.98 AU) and thus outside of Eeloo's orbit.
It is difficult to determine if or where the Kerbol System has an edge. Kerbol itself has a non relativistic escape velocity, so it is possible to escape Kerbol. But it is not actually possible to escape Kerbol's gravitational pull since the sphere of influence is infinite. Although real-world gravity for any body technically expands into infinity, it does so only for Kerbol in KSP, so it's unclear if this property can be used to determine where the edge is.
System in KSP1
 Kerbol
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 Moho
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 Eve
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 Gilly
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 Kerbin
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 Mun
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 Minmus
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 Duna
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 Ike
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 Dres
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 Jool
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 Laythe
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 Vall
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 Tylo
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 Bop
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 Pol
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 Eeloo
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| (Sizes and distances not to scale) | ||||||
System in KSP2
Relation to the Solar System
| Kerbol system | Solar system |
|---|---|
| Kerbol | Sun |
| Moho | Mercury |
| Eve | Venus |
| Kerbin | Earth |
| Duna | Mars |
| Dres | Ceres |
| Jool | Jupiter |
| Eeloo | Pluto |
Planet from the Kerbol System are defined from a few characteristics:
| Characteristic | How the value was chosen |
|---|---|
| gravity at sea level | hand-picked, followed by a conversion from single to double precision (e.g. gravity on Eve is 1.70000004768372g instead of 1.7g) |
| radius | hand-picked, loosely a tenth the radius of its solar counterpart for Moho, Eve, Kerbin, Duna and Jool |
| rotational period | hand-picked or tidally locked, except Kerbin (21599.91201454015) and Duna (65517.859375) |
| orbit semi-major axis | an eleventh the one from its solar counterpart, except for Eeloo, computed in single precision floating point arithmetic |
| eccentricity | hand-picked, close to solar one for Moho, Jool and Eeloo |
| mean anomaly at epoch | hand-picked (radians), often 3.14 |
| inclination | hand-picked (degrees), close to solar one for Moho and Eve |
| longitude of ascending node | hand-picked (degrees) |
| argument of periapsis | hand-picked (degrees) |
See also
- Kerbol System/Table for a table of all objects
