Kerbol/sv

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Kerbol
Kerbol
Kerbol as seen from orbit.
Star
Physical Characteristics
Equatorial radius 261 600 000 m
Equatorial circumference 1 643 681 276 m
Surface area 8,5997404×1017 m2
Mass 1,7565459×1028 kg
Standard gravitational parameter 1,1723328×1018 m3/s2
Density 234,23818 kg/m3
Surface gravity 17,1 m/s2 (1.747 g)
Escape velocity 94 672,01 m/s
Sidereal rotation period 432 000,00 s
20 d 0 h 0 m 0 s
Sidereal rotational velocity 3 804,8 m/s
Synchronous orbit 1 508 045,29 km
Sphere of influence
Atmospheric Characteristics
Atmosphere present ✓ Yes
Atmospheric pressure 16,0000 kPa
0.157908 atm
Atmospheric height 600 000 m
1,6×10-7 atm
Temperaturemin 3741.80 °C 4014.95 K
Temperaturemax 9348.05 °C 9621.2 K
Oxygen present ✓ Yes
Scientific multiplier
Surface N/A
Splashed N/A
Lower atmosphere 1
Upper atmosphere 1
Near space 11
Outer space 2
Recovery 4

Kerbol (även känd som Kerbin Prime, Solen, och Stjärnan) är stjärnan i centrum av Kerbol Systemet. Det är fem planeter som är i omloppsbana: Moho, Eve, Kerbin, Duna och Jool och de två dvärgplaneterna Eeloo samt Dres.

I jämförelse med vår egen sol så är Kerbol 113 gånger mindre och den har en omkrets som är 3 gånger mindre. Kerbol är troligtvis en K Class main sequence star baserat på dess temperatur, men den skulle också kunna vara en M klass stjärna baserat på dess omkrets, eller en G klass baserat på dess ljusstyrka. Den skulle också kunna vara en Vit dvärg.

Om man flyger i omloppsbana precis över ytan så tar det 409.214 minuter att slutföra ett varv med hastigheten 66.945 km/s.

Reference Frames

Time warp Minimum Altitude
Any
5× 3 270 000 m
10× 3 270 000 m
50× 6 540 000 m
100× 13 080 000 m
1 000× 26 160 000 m
10 000× 52 320 000 m
100 000× 65 400 000 m


All Kerbol orbits are in an inertial reference frame. In the demo, getting close enough to experience the lower maximum time warps results Deep Space Kraken attacks.

Trivia

  • Between versions 0.7 and 0.10.1, Kerbol was a mere point of light in the skybox.
  • Kerbol gained gravity in 0.12.
  • It is still safe to drop below the 'surface' in 0.13.3, but a ship can break up from the extreme gravity gradients and/or shot outwards at large fractions of c.
  • Since 0.14, close encounters will result in a collision that destroys the ship and kills all crew members.
  • The current “surface” of Kerbol is an invisible, and likely, featureless plateau approximately 4500–4700 km above the nominal radius. There is no known way to land on it, as the Kraken makes all maneuvering difficult, and the gravity reduces the TWR of all engines below 1. One can attempt to place edited parts on the surface, but they bounce erratically at a few hundred to a few thousand m/s if they do not explode.
  • While Kerbol can be reached from Kerbin's orbit by using a Hohmann transfer orbit, a spacecraft doing so will require a ΔV of about 8 km/s to do so. The most efficient way to reach Kerbol from Kerbin's orbit is to use a bi-elliptic transfer. With a sufficiently-distant apoapsis, the required ΔV to sundive can be reduced to under 4 km/s, at the expense of drastically-increased flight time.
  • The name “Kerbol” was created by forum members and never appears in the game. Officially, the star is simply referred to as “the Sun”, though the lead developer did mention that the name could change once the need to differentiate it from other stars arises.
  • Kerbal's Sphere of Influence is Infinity

Gallery

Changes

0.18.2
  • Art pass.
0.17
  • Actual model added, new sprite/flare effect, size changed.
0.14
  • Added solid surface (featureless invisible plateau ~4500–4700 km above nominal radius)
0.12
  • Added Gravity, nominal radius of 65,400 km.
0.11
  • Made it possible to reach Kerbol.
0.7.3
  • Initial Release