USNO Martian observations

Accurate positional measurements of planets and satellites are used to improve their orbits, our knowledge of their dynamics and to infer the accuracy of the planet and...针对行星与卫星的高精度位置测量数据，可用于优化其轨道参数、深化对其动力学特性的认知，并可用于推断行星及……的精度表现。