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Gill

Gilly.

GillyEdit

Gilly is a tiny asteroid and the only natural satellite of Eve. Gilly is the smallest celestial body in the Kerbol system. Landing on Gilly is challenging due to its very low mass, steep slopes, and highly eccentric orbit, making it very easy to overthrust engines or send a spacecraft tumbling. Escaping Gilly, however, is very easy — a Kerbal on EVA can use his jetpack to rise from Gilly's surface, achieve orbit, and escape its sphere of influence entirely.

Gilly has the least gravity of all bodies in the Kerbol system, with half of Jool's moon Pol due to its extremely small mass and size. A Kerbal can jump over 1000 meters on this moon. Gilly's gravity makes it ideal for very low fuel interplanetary missions. Gilly also has an irregular orbit, so catching the moon is a tad harder.

An unplanned encounter with Gilly is unlikely when approaching Eve, even if player's trajectory is near the plane of Gilly's orbit. This is because Gilly's sphere of influence is very small relative to the semi-major axis of its orbit — in fact, no other moon in the game has a smaller SOI-to-semi-major-axis ratio.

Gilly was once even more dangerous to land on due to a clipping bug with the collision mesh. This problem was fixed in version 0.17.1.

TopographyEdit

The surface of Gilly is extremely dynamic and uneven, with many steep slopes and smooth areas. Gilly has the lowest mass and gravitational force. Due to its minuscule mass and gravitational force, it does not have an atmosphere. Gilly's color might come from a high content of solid carbon. This moon is considered a Captured Asteroid. When terrain scatters are enabled in the settings menu, you can see small rocks on the surface.

GravityEdit

The gravity of Gilly is extremely low with only 0.5 % of Kerbin's surface gravity. It usually takes a Kerbal 200 seconds before returning to Gilly making jetpacks a need to maneuver. It is also very hard to walk on Gilly and get into an encounter due to the extremely low gravity of the Asteroid. On the other hand, landing and starting a craft is very easy to accomplish as they weigh far less than usual.

InfoEdit

Orbital Characteristics
Semi-Major Axis 31 500 000 m (1)
Apoapsis 48 825 000 m (1)
Periapsis 14 175 000 m (1)
Orbital Eccentricity 0.55
Orbital Inclination 12 °
Argument of periapsis {{{pe arg}}} °
Longitude of the ascending node {{{an arg}}} °
Mean Anomaly 1 rad (at 0s UT)
Siderial orbital period 388 587 s
4 d 11 h 56 m 27.4 s
Synodic orbital period Not defined
Orbital Velocity 274 to 945 m/s
Physical Characteristics
Equatorial Radius 13 000 m
Surface Area 2.1237166×109 m2
Mass 1.2420512×1017 kg
Gravitational Parameter 8 289 449.8 m3/s2
Density 13 496.490 kg/m3
Surface Gravity 0.049 m/s2
Escape Velocity 35.71 m/s
Sidereal Rotation Period 28 255.000 s
7 h 50 m 55 s
Sidereal Rotational Velocity 2.8909 m/s
Synchronous Orbit 42.14 km
Sphere of Influence 126 123.27 m
Highest elevation 6400 m
Atmospheric Characteristics
Atmosphere Present No

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