Research Article
Influence of the Choice of Lunar Gravity Model on Orbit Determination for Lunar Orbiters
Table 15
Influence of lunar gravity model on orbit determination of lunar orbiter by four stations.
| Lunar gravity model (70 × 70) | Orbit position uncertainty (m, RMS) | Orbit position accuracy (m, RMS) | R | I | C | 3D | R | I | C | 3D |
| GLGM2 | 64.33 | 244.71 | 61.15 | 260.31 | 1150.14 | 9116.97 | 2508.43 | 9525.45 | LP100K | 21.47 | 58.23 | 36.92 | 72.21 | 3.31 | 9.18 | 5.33 | 11.12 | LQ150Q | 21.68 | 58.79 | 37.28 | 72.91 | 3.29 | 9.26 | 5.36 | 11.19 | GRAIL420A | 4.99 | 14.94 | 8.71 | 18.00 | 0.86 | 2.88 | 1.61 | 3.41 | GRAIL660B | 4.99 | 14.94 | 8.71 | 18.00 | 0.86 | 2.89 | 1.63 | 3.43 |
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