Ancient and primordial collisional families as the main sources of X-type asteroids of the inner main belt

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Table B.4

Known densities and their uncertainties of asteroids of the X complex and with 0.1 < p_V < 0.3.

Asteroid	Density	1σ	Ref.
	kg m⁻³	kg m⁻³
16 Psyche	3700	600	a
15 Eunomia	3500	400	b
21 Lutetia	3400	300	c
22 Kalliope	3700	400	a
69 Hesperia	4400	1000	d
97 Klotho	4200	600	d
129 Antigone	2500	900	a
135 Hertha	4500	700	a
216 Kleopatra	5000	700	a
516 Amherstia	8000	7600	d
665 Sabine	9100	5200	d
758 Mancunia	2700	300	d

Notes. Those asteroids with unrealistic densities, marked with a cross in the Table 1 of Carry (2012) are not included.

References. (a) Hanuš et al. (2017), (b) Avdellidou et al. (2018), (c) Sierks et al. (2011), (d) Carry (2012).

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