Table 2
Orbital elements of the satellite of Huenna, expressed in EQJ2000, obtained with Genoid.
| (379) Huenna and S/2003 (379) 1 | ||
|---|---|---|
| Observing dataset | ||
| Number of observations | 42 | |
| Time span (days) | 6671 | |
| RMS (mas) | 5.45 | |
| Orbital elements EQJ2000 | ||
| P (days) | 80.21585 | ±0.01450 |
| a (km) | 3488.8 | ±48.4 |
| e | 0.283 | ±0.010 |
| i (°) | 151.1 | ±0.7 |
| Ω (°) | 204.4 | ±1.3 |
| ω (°) | 278.8 | ±1.5 |
| tp (JD) | 2452930.95866 | ±0.30025 |
| Derived parameters | ||
| M (×1017 kg) | 5.229 | ±0.218 |
| λp, βp (°) | 161, −78 | ±4, 1 |
| αp, δp (°) | 114, −61 | ±1, 1 |
Notes. Orbital period P, semimajor axis a, eccentricity e, inclination i, longitude of the ascending node Ω, argument of pericenter ω, time of pericenter tp. The number of observations and RMS between predicted and observed positions are also provided. Finally, we report the mass of Huenna MHuenna, the ecliptic J2000 coordinates of the orbital pole (λp, βp), the equatorial J2000 coordinates of the orbital pole (αp, δp). Uncertainties are given at the 1-σ level.
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