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Table 1 Effect of uncertainties in model parameters on body formation time and size

From: Uncertainties in physical properties of Itokawa-like asteroids widen constraints on their formation time

Parameter varied

Multiplicative variation

Formation time range (Ma)

Smallest radius (km)

None (Wakita et al. 2014)

1.9–2.2

20

None (This work)

1.87–2.24

20.5

Heat capacity

0.9–1.1

1.77–2.35

20.0

Thermal diffusivity

0.9–3.0

1.87–2.24

19.3

Heat capacity, thermal diffusivity

0.9–1.1, 0.9–3.0 a

1.77–2.35

19.0

Al abundance (Sugiura and Fujiya 2014)

0.86–1.16

1.72–2.40

20.0

Al abundance (Jarosewich 1990)

0.88–3.16

1.74–3.44

17.5

Al abundance (Nakamura et al. 2014)

0.71–0.87

1.53–2.09

21.1

Heat capacity, thermal diffusivity, Al abundance (Sugiura and Fujiya 2014

)

0.9–1.1, 0.9–3.0, 0.86–1.16a

1.62–2.50

18.5

Heat capacity, thermal diffusivity, Al abundance (Jarosewich 1990)

0.9–1.1, 0.9–3.0, 0.88–3.16a

1.64–3.54

16.5

Heat capacity, thermal diffusivity, Al abundance (Nakamura et al. 2014)

0.9–1.1, 0.9–3.0, 0.71–0.87a

1.43–2.20

19.6

  1. a These comma-separated values correspond to the respective parameters in the first column