The Adeona or Adeonian family (FIN:
505) is a large
asteroid family that formed from the
parent body145 Adeona.[1] Its
spectral type is that of a carbonaceous
C-type, with currently 2,236
asteroids identified as family members.[2]: 23 Based upon
simulation studies, the Adeonian family is believed to be no more than 600 million years old, compared to a typical asteroid family age of 1–2 billion years.[3]
References
^Zappala, Vincenzo; et al. (December 1990), "Asteroid families. I – Identification by hierarchical clustering and reliability assessment", Astronomical Journal, 100: 2030–2046,
Bibcode:
1990AJ....100.2030Z,
doi:10.1086/115658. In particular, see family #44.