Table 2
Physical properties of (216) Kleopatra based on ADAM and MPCD shape modeling of our VLT/SPHERE images.
| Parameter | S18 | ADAM | MPCD |
|---|---|---|---|
| P (h) | 5.385280(1) | 5.385282(1) | 5.385282(1) |
| λ (°) | 74 ± 2 | 73.5 ± 0.5 | 74.1 ± 0.5 |
| β (°) | 20 ± 2 | 20.8 ± 0.5 | 21.6 ± 0.5 |
| D (km) | 122 ± 10 | 119.3 ± 2 | 118.2 ± 0.8 |
| a (km) | 276 ± 14 | 270 ± 4 | 267 ± 6 |
| b (km) | 94 ± 5 | 62 ± 4 | 61 ± 6 |
| c (km) | 78 ± 4 | 38 ± 4 | 48 ± 6 |
| a∕b | 2.9 | 4.35 ± 0.3 | 4.4 ± 0.4 |
| b∕c | 1.20 | 1.63 ± 0.2 | 1.3 ± 0.2 |
| V (105 km3) | 9.56 | 8.90 ± 0.45 | 8.65 ± 0.17 |
| M (1018 kg) | 4.64 ± 0.02 | 2.97 ± 0.32 | 2.97 ± 0.32 |
| ρ (g cm−3) | 4.9 ± 0.5 | 3.34 ± 0.53 | 3.43 ± 0.38 |
| χ2 | 209 | 135 | 50 |
Notes. The table lists: sidereal rotation period P, spin-axis ecliptic J2000 coordinates λ and β, volume-equivalent diameter D, dimensions along the major axis a, b, c, their ratios a∕b and b∕c, mass M from Brož et al. (2021, accompanying paper), volume V, and bulk density ρ. Uncertainties correspond to 1σ values. The values based on radar data (Shepard et al. 2018) are also reported. The b and c extents reported for the radar model are the maximum extents in those directions.
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