2024 XA1

2024 XA1[1]
Caractéristiques orbitales
Époque (JJ 2460646.5)
Établi sur 66 observ. couvrant 10 h 55 min (U = 2[1])
Demi-grand axe (a) 252,69 × 106 km
(1,689 ua)
Périhélie (q) 127,56 × 106 km
(0,853 ua)
Aphélie (Q) 377,82 × 106 km
(2,525 ua)
Excentricité (e) 0,495 2
Période de révolution (Prév) 801,85 j
(2,195 a)
Inclinaison (i) 0,108°
Longitude du nœud ascendant (Ω) 72,264°
Argument du périhélie (ω) 53,077°
Anomalie moyenne (M0) 321,18°
Catégorie météoroïde, astéroïde Apollon
Caractéristiques physiques
Dimensions ~1 m
Magnitude absolue (H) 33,0

Découverte
Date
Découvert par V. F. Carvajal
Lieu Kitt Peak-Bok
Désignation 2024 XA1

2024 XA1[2], désignation temporaire C0WEPC5, est un petit astéroïde Apollon et météoroïde (~0,7 m) découvert par V. F. Carvajal dans le cadre du Bok NEO Survey à Kitt Peak-Bok (V00) le [2].

Cet astéroïde s'est désintégré dans l'atmosphère terrestre au-dessus de la République de Sakha, au nord de Oliokminsk (60,5° N, 119,0° E), en Sibérie orientale, le à 16 h 15 UTC[2],[3]. Il s'agit du onzième astéroïde détecté et suivi dans l'espace avant sa chute sur Terre[3], le quatrième de l'année 2024. Des vidéos du bolide ont été obtenues[2],[3].

Références

  1. a et b https://data.minorplanetcenter.net/explorer/ - chercher "2024 XA1".
  2. a b c et d MPEC 2024-X68 : 2024 XA1, .
  3. a b et c Daniel W. E. Green, « 2024 XA_1 », Central Bureau Electronic Telegram, no 5477,‎ (lire en ligne).

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