异面轨道转移
noncoplanar orbital transfer
非奇异轨道要素
nonsingular orbit elements
地面轨道卫星通信系统
geo-stationary earth orbit systems
轨道面
plane of trajectory orbital
orbital plane
orbit plane
plane orbit
轨道面覆盖间隔时间
orbit plane coverage interval time
轨道面坐标系
orbital plane coordinate system
astronomical coordinate system
spherical coordinate system
瞬时轨道面
instantaneous orbital plane
同平面轨道转移
coplanar orbital transfer