Table 4
Parameters of the best-fit model, given with uncertainties.
| Best-fit model | Counter-example model | ||
|---|---|---|---|
 |
872 | 19903 | |
| Nmeasurements | 837 | 837 | |
| Variable | Unit | Value with uncertainty | Value |
| λpole | deg | 188.3 + 2.6 | 68.5 |
| βpole | deg | −88.2 + 0.2 | −88.9 |
| Mtotal | MS |  |
3.323 × 10−12 |
| q1 | 1 | (1.02 ± 0.55) × 10−6 | 0.97 × 10−6 |
| q2 | 1 | (5.2 ± 5.4) × 10−7 | 2.7 × 10−7 |
| q3 | 1 | (2.74 ± 0.12) × 10−5 | 5 × 10−5 |
| P1 | day | 1.2127 ±0.0002 | 1.2127 |
| e1 | 1 | 0.028 ± 0.005 | 0.068 |
| i1 | deg | 179.7 ±0.6 | 191.9 |
| Ω1 | deg | 275.3 ± 11.9 | 265.2 |
| ϖ1 | deg | 324.3 ± 18.5 | 25.8 |
| λ1 | deg | 343.2 ±24.1 | 347.9 |
| P2 | day | 1.6421 ±0.0004 | 1.6420 |
| e2 | 1 | 0.064 ± 0.007 | 0.060 |
| i2 | deg | 183.7 ±0.3 | 184.1 |
| Ω2 | deg | 197.1 ±7.5 | 194.7 |
| ϖ2 | deg | 107.9 ± 12.1 | 65.5 |
| λ2 | deg | 248.5 ± 15.2 | 244.9 |
| P3 | day | 5.30032 ± 0.00015 | 5.30041 |
| e3 | 1 |  |
0.156 |
| i3 | deg | 175.3 ±0.2 | 173.8 |
| Ω3 | deg | 133.5 ±2.1 | 129.7 |
| ϖ3 | deg |  |
6.6 |
| λ3 | deg |  |
289.1 |
Notes. Also, for completeness, we provide the parameters of a counterexample model based on the rotational pole given by the ADAM algorithm in Sect. 3. The listed χ2 is with the weight wao set to zero and Nmeasurements is the number of all astrometry measurements, both absolute and relative. Orbital elements are referred to the epoch T0 = 2457021.567880 (TDB). Uncertainties are given at 1σ. λpole and βpole are the ecliptic longitude and latitude of Elektra’s rotational pole. Mtotal is the total mass of the system, ą1 = m1/m0, q2 = m2/(m0 + m1), and q3 = m3/(m0 + m1 + m2) are the mass ratios, where m0 denotes the mass of the central body (i.e. Elektra), m1 the mass of body 1 (inner moon S/2014 1), m2 the mass of body 2 (middle moon S/2014 2), m3 the mass of body 3 (outer moon S/2003), Pk the orbital period of the corresponding orbit, ek eccentricity, ik inclination, Ωk the longitude of the nodes, ϖk the longitude of the pericentre, and λk is the true longitude; k = 1, 2, 3.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.