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Table 8
Density estimates of classical TNO binaries with a known mass.
| Target | Adopted ΔVa | Massa | Bulk density/literature | Reference | Bulk density/this work |
| (mag) | (× 1018 kg) | (g cm-3) | (g cm-3) | ||
|
|
|||||
| Borasisi | 0.45 | 3.433 ± 0.027 | ... | ... |
|
| 2001 XR254 | 0.43 | 4.055 ± 0.065 |
|
Vilenius et al. (2012) |
|
| 2001 QY297 | 0.20 | 4.105 ± 0.038 |
|
Vilenius et al. (2012) |
|
| Sila | 0.12b | 10.84 ± 0.22 b | 0.73±0.28 | Vilenius et al. (2012), (b) | ... |
| Teharonhiawako | 0.70 | 2.445 ± 0.032 |
|
Vilenius et al. (2012) |
|
| Altjira | 0.23 | 3.986 ± 0.067 |
|
Vilenius et al. (2012) |
|
| 2002 UX25 | ~2.7g | ~125 ± 3g | 0.82 ± 0.11 | Brown (2013) | |
| Varda | 1.45f | 265.1 ± 3.9f | ... | ... |
|
| 2001 QC298 | 0.44f | 11.88 ± 0.14f | ... | ... |
|
| Quaoar | 5.6 ± 0.2 e | 1300−1400c |
|
Fornasier et al. (2013) | ... |
| Salacia | 2.372 ± 0.060 d | 436 ± 11 d |
|
Fornasier et al. (2013) | ... |
Notes. The primary and secondary are assumed to have equal albedos and equal densities.
Reference.
(a)
Grundy et al. (2011) unless otherwise indicated.
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