Dysnomia (satelit) Note | Meniu de navigaretext„Satellites of the Largest Kuiper Belt...
ErisObiecte astronomice descoperite în 2005Sateliți naturali
greacăsatelitErisobiect trans-neptuniancentura lui KuiperMichael E. BrownDysnomiaEris
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Dysnomia (satelit)
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Dysnomia | |
Dysnomia, la stânga și Eris în centru (Telescopul spațial Hubble) | |
Denumiri alternative | (136199) Eris I Dysnomia |
---|---|
Numit după | Dysnomia |
Date generale | |
Descoperire | Mike Brown 10 septembrie 2005[1] |
Caracteristicile orbitei | |
Semiaxa mare | 37.350 ± 140 km[2] |
Excentricitatea | < 0,013 |
Perioada siderală | 15,774 ± 0,002 zile |
Înclinarea față de ecliptică | 142 ± 3° |
Date fizice | |
Magnitudine absolută | ~3,2[3][4] |
Magnitudine aparentă | ~23,1[4] |
Modifică text |
Dysnomia, denumire oficială (136199) Eris I Dysnomia (greacă: Δυσνομία), este singurul satelit cunoscut al planetei Eris, care este un obiect trans-neptunian din centura lui Kuiper. A fost descoperit la 10 septembrie 2005 de către Michael E. Brown și a fost denumit provizoriu S/2005 (2003 UB313) 1. Numele de Dysnomia provine din cuvântul grec Δυσνομία având sensul de fărădelege. Satelitul a fost denumit după Dysnomia - fiica zeiței discordiei, Eris.
Note |
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Brown, M. E. (2006). „Satellites of the Largest Kuiper Belt Objects” (PDF). Astrophysical Journal Letters. 639 (1): L43. arXiv:astro-ph/0510029 . Bibcode:2006ApJ...639L..43B. doi:10.1086/501524. Accesat în 19 octombrie 2011. Citare cu parametru depășit|coauthors=
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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.
^
Johnston, W. R. (30 decembrie 2008). „(136199) Eris and Dysnomia”. Johnston's Archive. Accesat în 12 aprilie 2012.
- ^ ab
Green, D. W. E. (4 octombrie 2005). „S/2005 (2003 UB313 ) 1”. IAU Circular. 8610. Accesat în 12 ianuarie 2012.
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Categorii:
- Eris
- Obiecte astronomice descoperite în 2005
- Sateliți naturali
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