Table 4
Orbital solutions for the two satellites of Litva, expressed in EQJ2000, obtained with Genoid, and by the methods described in Sections 2.2 and 5.2.
| (2577) Litva and S/2012 (2577) 1 | ||
|---|---|---|
| Observing dataset | ||
| Number of observations | 22 | |
| Time span (days) | 3522 | |
| RMS (mas) | 3.09 | |
| Orbital elements EQJ2000 | ||
| P (days) | 214.79901 | ±37.10072 |
| a (km) | 347.8 | ±43.6 |
| e | 0.302 | ±0.094 |
| i (°) | 172.9 | ±7.4 |
| Ω (°) | 87.3 | ±26.1 |
| ω (°) | 162.5 | ±36.5 |
| tp (JD) | 2456105.35556 | ±12.06249 |
| Derived parameters | ||
| M (×1013 kg) | 7.227 | ±2.477 |
| λp, βp (°) | 288, −66 | ±20, 3 |
| αp, δp (°) | 357, −83 | ±26, 7 |
| Λ (°) | 11.5 | ±1.3 |
| Inner satellite | ||
| Porb (hours) | 35.87101 | ±0.00022 |
| Porb (days) | 1.4946254 | ±0.000092 |
| a/Deff | 2.44 | ±0.57 |
| a (km) | 10 | ±3 |
| e | <0.07 | |
| Ds/ Dp | 0.34 | ±0.02 |
| c/a | 0.67 | +0.33 −0.23 |
| λp, βp (°) | 269.0, −74 | ±7.3, 6 |
Notes. Please see Table 2 for a description of the listed parameters. Uncertainties are given at 1-σ for the outer satellite, and 3-σ for the inner satellite. Deff represents the equivalent diameter of the Litva system, and the orbital inclination (Λ) with respect to the orbital plane of the inner satellite.
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