Organic materials in planetary and protoplanetary systems: nature or nurture?

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Table 1

Selected objects’ compositions.

Object	Dyn	Taxon	a^*	%	%	%
	class			reddening	darkening	ices

5145 Pholus^a	C	RR	20.3	34	61	15
8405 Asbolus^b	C	BR	18.1	32	59	9
1999TC₃₆^c	R	RR	39.7	70	22	8
50000 Quaoar^d	C	RR	43.6	27	0	73
90377 Sedna^e	D	RR	518.6	76	0	24
90482 Orcus^f	R	BB	39.2	1	58	40

Notes.

^(*)

Semi-major axis measurements (a) are from JPL Small-Body Database Browser at http://ssd.jpl.nasa.gov/sbdb.cgi

References.

^(a)

Cruikshank et al. (1998);

^(b)

Poulet et al. (2002);

^(c)

Dotto et al. (2003);

^(d)

Dalle Ore et al. (2009);

^(e)

Barucci et al. (2010);

^(f)

Delsanti et al. (2010).

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