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Table 4

Influence of different albedos of binary components on bulk density.

Object ρb, g/cm3 ρb,1, g/cm3 ρb,2, g/cm3

2001 QY297 0.920 0.896 0.919
2001 XR254 1.0 0.96 1.02
Borasisi 2.11 2.03 2.14
Teharonhiawako 0.60 0.57 0.62
2005 EF298 1.10 1.05 1.13
Sila-Nunam 0.73 ± 0.28 0.71 ± 0.27 0.72 ± 0.28
Eris 2.75 ± 0.22 2.75 ± 0.22 2.76 ± 0.22
Salacia 1.29 ± 0.23 1.24 ± 0.22 1.35± 0.24
Altjira 0.30 0.29 0.30
Varda 1.28 1.21 1.35
Quaoar 1.99 ± 0.46 1.96 ± 0.32 1.97± 0.32
2002 UX25 0.78 0.76 0.81
2001 QC298 1.14 1.09 1.15
Makemake 1.67 ± 0.35 1.66 ± 0.35 1.67 ± 0.35
2002 WC19 3.74 ± 1.7 3.66 ± 1.66 3.85 ± 1.75
1998 SM165 0.59 0.57 0.61
Orcus 1.53 ± 0.12 1.49 1.59 ± 0.12
1999 TC36 0.47 0.45 0.49
Typhon 0.34 ± 0.05 0.32 ± 0.05 0.35 ± 0.05
Ceto 0.64 ± 0.13 0.61 ± 0.12 0.66 ± 0.13

Notes. ρb,1 means the bulk density calculated with assumption that the secondary has an albedo 50% greater than that of the primary. ρb,2 means the bulk density calculated with assumption that the primary has an albedo 50% greater than that of the secondary.

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