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Disnomija (pavadonis)

Disnomija
Disnomija
Disnomija kreisajā pusē un Erīda vidū. Attēls uzņemts ar Habla teleskopu.
Atklāšana
Atklājējs/i [1]
Atklāšanas datums 2005 .gada 10. decembris[1]
Apzīmējumi
Citi nosaukumi S/2005 (2003 UB313) 1
Orbitālie parametri [2]
Lielā pusass (rādiuss) 37 350 ± 140 km
Ekscentricitāte < 0.013
Apriņķojuma periods 15.774 ± 0.002 d
Slīpums 142 ± 3°
Riņķo ap Erīdas pavadonis
Fiziskie parametri
Ekvatoriālais rādiuss 50–125 km[3]
Redzamais spožums ~23.1[4]

Disnomija ir pundurplanētas Erīdas vienīgais dabiskais pavadonis. Tas tika atklāts 2005. gadā.

Pavadoņa nosaukums Disnomija ir ņemts no grieķu dievetes Erīdas meitas vārda. Tā sākotnējais nosaukums bija S/2005 (2003 UB313) 1.

  1. 1,0 1,1 Michael E. Brown; M.A. van Dam, A.H.Bouchez, D.Le Mignant, R.D.Campbell, J.C.Y. Chin, A.Conrad, S.K.Hartman, E.M.Johansson, R.E.Lafon, D.L. Rabinowitz, P.J.Stomski Jr., D.M.Summers, C.A.Trujillo, P.L. Wizinowich (2006). "Satellites of the largest Kuiper belt objects" (PDF). Astrophysical Journal Letters 639 (L43). arXiv:astro-ph/0510029. Bibcode 2006ApJ...639L..43B. doi:10.1086/501524.
  2. Brown, M. E.; Schaller, E. L. (2007). "The Mass of Dwarf Planet Eris". Science 316 (5831): 1585. Bibcode 2007Sci...316.1585B. doi:10.1126/science.1139415. PMID 17569855.
  3. Mike Brown. «Dysnomia, the moon of Eris». Caltech. Skatīts: 2011-07-03.
  4. Daniel W. E. Green. «IAUC 8610: S/2005 (2003 UB313) 1». International Astronomical Union, 2005-10-04.

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Disnomija (pavadonis)
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