(99) Dice

(99) Dice

(99) Dicé

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99 Dicé
pas de photo
Caractéristiques orbitales
Époque 18 août 2005 (JJ 2453600.5)
Demi-grand axe 398,592×106 km
(2,664 ua)
Aphélie 476,997×106 km
(3,189 ua)
Périhélie 320,188×106 km
(2,140 ua)
Excentricité 0,197
Période de révolution 1 588,531 j
(4,349 a)
Vitesse orbitale moyenne 18,07 km/s
Inclinaison 13,859°
Nœud ascendant 41,682°
Argument du périhélie 195,957°
Anomalie moyenne 190,951°
Catégorie ceinture d'astéroïdes
Caractéristiques physiques
Dimensions 71,9 km [1]
Masse 3,90×1017 kg
Masse volumique ~2000 kg/m3
Gravité équatoriale à la surface 0,0201 m/s2
Vitesse de libération 0,0380 km/s
Période de rotation 0,4312 j
(10,350 h)
Classification spectrale C
Magnitude absolue 9,43
Albédo 0,058 [2]
Température ~172 K
Découverte
Découvreur Alphonse Borrelly
Date 28 mai 1868
Désignation(s) A915 BA, 1935 UC,
1935 YL, 1939 UT,
1948 UE, 1948 WC,
1961 XJ, 1974 VB

L'astéroïde (99) Dicé a été découvert par Alphonse Borrelly le 28 mai 1868.

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