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LaytheJool 五颗天然卫星的第一颗。Laythe 大部分都被海洋所覆盖,不过还是有一些岩石或沙质的小岛。Laythe 被 Jool 潮汐锁定。其同步轨道不存在,理论同步轨道半径 5,186,399 m ,已位于 SOI 之外。地图上可以清晰的看到圆形排列的群岛,暗示着 Laythe 曾经经历到过巨大的陨石撞击。

从 Laythe 海平面进入稳定轨道需要的 delta-V 为 ≈2800 m/s 。

Laythe 在真实世界里并不存在。在真实世界的木星系统中,三颗卫星,木卫三 “伽倪墨得斯”木卫二 “欧罗巴”木卫一 “艾奥”,与 KSP 中 TyloVall 和 Laythe 一样,处于轨道谐振。尽管 Tylo 和 Vall 都与其真实世界的伙伴很相似,Laythe 却与木卫一 “艾奥”差异巨大,后者遍布火山,缺乏大气层,环境干燥。尽管 Laythe 表面有液态水,其温度仍低于摄氏零度。这意味着 Laythe 的海洋含有其他成分,很可能是盐类离子。

据开发者 NovaSilisko 所言,以后版本中,Laythe 会有火山活动和高辐射强度,环境变得比现在(0.19.4)严酷的多。[1].


Laythe's atmosphere begins at 55,262 meters and is slightly less dense than Kerbin's. It is the only natural satellite in the game which has an atmosphere.

Like all other atmospheres in the game, Laythe's atmosphere fades exponentially with increasing altitude (with a scale height of 4000 m). In general, the atmospheric pressure on Laythe at an altitude expressed in meters is:[2]

With proper aerobraking near Laythe and Jool, reaching Laythe may require the least delta-V of all of Jool's moons. When approaching Jool on a Hohmann transfer orbit from Kerbin, aerobraking with a Jool periapsis of 119.5 km will put your apoapsis roughly near Laythe's orbit.

Landing on higher points of Laythe's surface has to be done with a help of retro burns as parachutes alone are not enough to sufficiently lower velocity for landing.

Jet engines work in Laythe's atmosphere as it contains oxygen. However, their air intake efficiency is lower.

Reference Frames

时间加速 最低海拔
5× 50 000 米 (高于大气上限)
10× 50 000 米 (高于大气上限)
50× 60 000
100× 120 000
1 000× 240 000
10 000× 480 000
100 000× 600 000



  • Initial Release


  2. A nuclear engine has a specific impulse of 220 in 1 atm, 800 in vacuum, and the following at various Laythe altitudes:
    altitude (m) 600 1464 1800 2238 2698 3296 4104 16435
    specific impulse 400.7 478.2 504.2 534.8 563.7 596.5 633.7 792.4