KOMPOSISI UNSUR DAN KLASIFIKASI
The investigation of the surface properties of the minor bodies
in the outer Solar System constitutes a major topic in modern planetary science,
since they represent the “vestiges” of the leftover planetesimals
from the early accretional phases of the outer proto-planetary disk.
Even though they are affected by space weathering and collisional evolution,
they present the most pristine material in present times available for our studies,
from which we can learn about the origin and early evolution of the Solar System
at large distances from the Sun.
(Perna et al, 2010, p.53)