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Table 3
Variation in the orbital eccentricity and semiaxis (in units of RN = 24 764 km) of the Neptunian irregulars due to Solar and giant planet perturbations over a period of 105 yrs. Δamin = amean − amin and Δamax = amax − amean.
| Satellite | e min | e mean | e max | a min | a mean | a max | Δamin | Δamax |
|
|
||||||||
| Nereid | 0.7426 | 0.7496 | 0.7566 | 222.633 | 222.659 | 222.687 | 0.026 | 0.028 |
| Halimede | 0.2073 | 0.4331 | 0.9026 | 668.865 | 670.297 | 672.025 | 1.432 | 1.728 |
| Sao | 0.0628 | 0.2839 | 0.6619 | 892.175 | 896.893 | 902.070 | 4.718 | 5.177 |
| Laomedeia | 0.2648 | 0.4015 | 0.5482 | 942.266 | 948.295 | 955.526 | 6.029 | 7.231 |
| Neso | 0.0942 | 0.4140 | 0.8803 | 1919.790 | 2013.260 | 2130.300 | 93.470 | 117.040 |
| Psamathe | 0.0482 | 0.3970 | 0.9144 | 1832.740 | 1912.260 | 2015.540 | 79.520 | 103.280 |
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