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Haumea-familien

Haumea og dens måner

Haumea-familien er en gruppe av astronomiske objekter i Kuiperbeltet som antas å ha et felles opphav fra en kollisjon lengre tilbake i solsystemets historie. Det største kjente objektet i gruppen er dvergplaneten Haumea. Eksempler på andre objekter i gruppen er Haumeas to naturlige satellitter Hiʻiaka og Namaka, i tillegg til småplanetene (19308) 1996 TO66, (24835) 1995 SM55, (55636) 2002 TX300 og (86047) 1999 OY3.[1]

Det som kjennertegner disse objektene, er at omløpsbanene har visse likheter med Haumea. Overflatene til disse objektene kjennetegnes ved at de inneholder store mengder vannholdig is og at de ikke inneholder komplekse organiske forbindelser.[2][3]

Referanser

[rediger | rediger kilde]
  1. ^ «List of Known Trans-Neptunian Objects» (engelsk). Besøkt 4. mai 2015. 
  2. ^ Pinilla-Alonso, N.; Licandro, J.; Gil-Hutton, R.; Brunetto, R. (2007). «The water ice rich surface of (145453) 2005 RR43: A case for a carbon-depleted population of TNOs?». Astronomy and Astrophysics. 468: L25. Bibcode:2007A&A...468L..25P. arXiv:astro-ph/0703098Åpent tilgjengelig. doi:10.1051/0004-6361:20077294. 
  3. ^ Pinilla-Alonso, N.; Licandro, J.; Lorenzi, V. (juli 2008). «Visible spectroscopy in the neighborhood of 2003EL{61}». Astronomy and Astrophysics. 489 (1). Bibcode:2008A&A...489..455P. arXiv:0807.2670Åpent tilgjengelig. doi:10.1051/0004-6361:200810226. 
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Haumea-familien
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