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(1389) Onnie

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(1389) Onnie

(1389) Onnie
Caractéristiques orbitales
Époque (JJ 2457200,5)[1]
Demi-grand axe (a) 429,351×106 km[1]
(2,87 ua)
Périhélie (q) 421,871×106 km[1]
(2,82 ua)
Aphélie (Q) 435,335×106 km[1]
(2,91 ua)
Excentricité (e) 0,02[1]
Période de révolution (Prév) ~1 772 j
(4,85 a)
Inclinaison (i) 2,0°[1]
Nœud ascendant (Ω) 174,6°[1]
Argument du périhélie (ω) 300,0°[1]
Anomalie moyenne (M0) 58,9°[1]
Catégorie Astéroïde de la ceinture principale[1],[2]
Caractéristiques physiques
Magnitude absolue (M) 11,6[1],[2]

(1389) Onnie est un astéroïde de la ceinture principale d'astéroïdes, découvert le 28 septembre 1935 par Hendrik van Gent à Johannesburg. Ses désignations temporaires sont 1935 SS1, 1949 QV1 et 1955 XB1.

Notes et références

  1. ^ a b c d e f g h i j k (en) »(1389) Onnie« , sur le site du Minor Planet Center (consulté le 17 octobre 2015)
  2. ^ a b (en) »1389 Onnie« [html], sur, Jet Propulsion Laboratory (consulté le 17 octobre 2015)

Lien externe

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

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