Research Article

Influence of the Choice of Lunar Gravity Model on Orbit Determination for Lunar Orbiters

Table 8

Influence of degree and order of LP100K model on orbit determination of lunar orbiter.

Lunar gravity model (LP100K) Orbit position uncertainty (m, RMS) Orbit position accuracy (m, RMS)
RIC3DRIC3D

21 × 2135.0094.2660.07117.128.2921.5313.7226.84
40 × 4022.2060.1738.1774.644.3111.976.4314.25
70 × 7021.4758.2336.9272.213.319.185.3311.12
100 × 10021.3357.8836.6971.773.269.165.3111.08