Physical and dynamical characterisation of the unbound asteroid pair 7343-154634

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Table 7

Physical properties used in dynamical simulations.

Asteroid	Radius^a	Rot. period	Rot. axis	Density	Conductivity	Spec. heat	Albedo	IR emiss.^b
	(km)	(h)	Obl.(°)	(kg m^-3)	(W m^-1 K^-1)	(J kg^-1 K^-1)

Batch 1
7343	2.05	3.75^c	0, 90, 180	2130^d	680^e	2.5 × 10^−(0,1,2,3)	0.20	0.78
154 634	0.54	2.95	0, 90, 180	2130^d	680	′′	0.20	0.78
Batch 2
7343	2.05	3.75	0, 90, 180	930	680	4.0 × 10^-3	0.09^f	0.88
154 634	0.54	2.95	0, 90, 180	1320	680	′′	0.09^f	0.88

Notes.

^(a)

Effective radius;

^(b)

assumed;

^(c)

from Pravec et al. (2010);

^(d)

mean of known S-type densities;

^(e)

from Farinella et al. (1998);

^(f)

bond albedo calculated from the geometric albedo of 0.20 in each case.

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