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(181855) 1998 Wt31

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Title: (181855) 1998 Wt31  
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Subject: Marc W. Buie, List of trans-Neptunian objects
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(181855) 1998 Wt31

(181855) 1998 WT31
Caractéristiques orbitales
Époque (JJ 2455800,5)
Demi-grand axe (a) 6,92×109 km
(46,264 ua)
Périhélie (q) 5,63×109 km
(37,612 ua)
Aphélie (Q) 8,22×109 km
(54,915 ua)
Excentricité (e) 0,187
Période de révolution (Prév) 114 656 j
(313,9 a)
Inclinaison (i) 28,6°
Nœud ascendant (Ω) 41,5°
Argument du périhélie (ω) 40,7°
Anomalie moyenne (M0) 348,6°
Catégorie Cubewano
Caractéristiques physiques
Dimensions 160 km
Magnitude absolue (M) 7,2
Découvreur M. W. Buie
Désignation 1998 WT31

(181855) 1998 WT31 est un objet transneptunien.


  • Caractéristiques 1
  • Orbite 2
  • Découverte 3
  • Annexes 4
    • Liens internes 4.1
    • Liens externes 4.2
    • Références 4.3


1998 WT31 mesure environ 160 km de diamètre.


L'orbite de 1998 WT31 possède un demi-grand axe de 46,264 ua et une période orbitale d'environ 315 ans. Son périhélie l'amène à 37,612 ua du Soleil et son aphélie l'en éloigne de 54,915 ua. Il s'agit d'un cubewano.


1998 WT31 a été découvert le .


Liens internes

Liens externes

  • Caractéristiques et simulation d'orbite sur la page Small-Body Database du JPL [java]


  1. ^
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