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Table 2
Accuracy of astrometric observations of the Jovian satellites J6-J13 in right ascension (α) and declination (δ).
| Satellite | Period of | rms in α, | rms in δ, |
| Satellite | observations | arcsec | arcsec |
| J6 | 1905–2003 | 0.843 | 0.779 |
| J7 | 1905–2003 | 0.875 | 0.928 |
| J8 | 1908–2003 | 0.843 | 0.696 |
| J9 | 1914–2003 | 0.842 | 0.706 |
| J10 | 1938–2003 | 0.751 | 0.608 |
| J11 | 1938–2003 | 0.724 | 0.711 |
| J12 | 1951–2003 | 0.573 | 0.551 |
| J13 | 1974–2003 | 0.679 | 0.652 |
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