Research Article
AOCS Requirements and Practical Limitations for High-Speed Communications on Small Satellites
Table 31
Pointing error budgets for optical communications at 900 kilometers with lower attitude error.
| PES | Error in source | Pointing error (mrad) | ° | ° | ° | ° | ° |
| Attitude errors: | | | | | | | Azimuth | 0.001° | 0.0148 | 0.0144 | 0.0108 | 0.0076 | 0.0000 | Nadir angle | 0.002° | 0.0349 | 0.0349 | 0.0349 | 0.0349 | 0.0349 |
| Position errors: | | | | | | | In-track | 2 meters | 0.0005 | 0.0006 | 0.0013 | 0.0018 | 0.0022 | Cross-track | 2 meters | 0.0009 | 0.0010 | 0.0017 | 0.0020 | 0.0022 | Radial | 2 meters | 0.0008 | 0.0008 | 0.0010 | 0.0009 | 0.0000 |
| Root sum square | | 0.0379 | 0.0378 | 0.0366 | 0.0358 | 0.0350 |
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