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2017 AG13 is a small Aten asteroid that made a close approach of 0.54 lunar distances from Earth on January 9, 2017. It was the largest asteroid to pass less than 1 lunar distance from Earth since 2016 QA2 on August 28, 2016. The Catalina Sky Survey observed it first on January 7, 2017, only two days before its closest approach. At its brightest, 2017 AG13 reached apparent magnitude 12.2. Shortly after, it moved too close to the Sun to be seen by telescopes.

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  • 2017 AG13
  • 2017 AG13
  • 2017 AG13
  • 2017 AG13
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  • 2017 AG13 es un objeto próximo a la Tierra que forma parte de los asteroides Atón, descubierto el 7 de enero de 2017 por el equipo del Catalina Sky Survey desde el Catalina Sky Survey, Arizona, Estados Unidos. Fue detectado solo dos días antes de que cruzara cerca de la Tierra.​
  • 2017 AG13 est un astéroïde géocroiseur de type Aton mesurant entre 11 et 34 mètres. Il fut découvert grâce au Catalina Sky Survey le 7 janvier 2017. Il s'est approché à 203 520 kilomètres (0,53 distance Terre-Lune) de la Terre le 9 janvier 2017 à 12 h 47 UTC. Il avait alors une vitesse relative de 15,7 kilomètres par seconde.
  • 2017 AG13 is a small Aten asteroid that made a close approach of 0.54 lunar distances from Earth on January 9, 2017. It was the largest asteroid to pass less than 1 lunar distance from Earth since 2016 QA2 on August 28, 2016. The Catalina Sky Survey observed it first on January 7, 2017, only two days before its closest approach. At its brightest, 2017 AG13 reached apparent magnitude 12.2. Shortly after, it moved too close to the Sun to be seen by telescopes.
  • 2017 AG13 é um asteroide, medindo entre 15 e 34 metros de comprimento, que passou próximo à Terra no dia 9 de janeiro de 2017. Viajando a 16 km/s, ele passou a cerca de 190 mil quilômetros do planeta, aproximadamente a metade da distância entre a Terra e a Lua. Segundo informações do Catalina Sky Survey, transmitidas pelo jornal britânico Express, ele chegou a uma distância inferior entre o nosso planeta e a Lua (384.400 km), às 12h47min (GMT).
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abs magnitude
aphelion
  • 1.3762
arg peri
asc node
background
  • #FFC2E0
discovered
discoverer
discovery ref
  •  
discovery site
eccentricity
epoch
inclination
mean anomaly
mean diameter
mean motion
  • / day
minorplanet
  • yes
mp category
  • NEOAten 
observation arc
  • 172800.0
orbit ref
  •  
perihelion
  • 0.55
period
  • 2.9808E7
semimajor
  • 0.9631
uncertainty
venus moid
  • 0.06864
has abstract
  • 2017 AG13 es un objeto próximo a la Tierra que forma parte de los asteroides Atón, descubierto el 7 de enero de 2017 por el equipo del Catalina Sky Survey desde el Catalina Sky Survey, Arizona, Estados Unidos. Fue detectado solo dos días antes de que cruzara cerca de la Tierra.​
  • 2017 AG13 est un astéroïde géocroiseur de type Aton mesurant entre 11 et 34 mètres. Il fut découvert grâce au Catalina Sky Survey le 7 janvier 2017. Il s'est approché à 203 520 kilomètres (0,53 distance Terre-Lune) de la Terre le 9 janvier 2017 à 12 h 47 UTC. Il avait alors une vitesse relative de 15,7 kilomètres par seconde.
  • 2017 AG13 é um asteroide, medindo entre 15 e 34 metros de comprimento, que passou próximo à Terra no dia 9 de janeiro de 2017. Viajando a 16 km/s, ele passou a cerca de 190 mil quilômetros do planeta, aproximadamente a metade da distância entre a Terra e a Lua. Segundo informações do Catalina Sky Survey, transmitidas pelo jornal britânico Express, ele chegou a uma distância inferior entre o nosso planeta e a Lua (384.400 km), às 12h47min (GMT). O asteroide foi descoberto por astrônomos da Universidade do Arizona apenas dois dias antes da aproximação máxima com a Terra. Observações iniciais indicam que o asteroide tem órbita em torno do Sol de 347 dias terrestres, e se aproxima a até 0,55 unidades astronômicas da estrela no centro do nosso sistema.
  • 2017 AG13 is a small Aten asteroid that made a close approach of 0.54 lunar distances from Earth on January 9, 2017. It was the largest asteroid to pass less than 1 lunar distance from Earth since 2016 QA2 on August 28, 2016. The Catalina Sky Survey observed it first on January 7, 2017, only two days before its closest approach. At its brightest, 2017 AG13 reached apparent magnitude 12.2. Shortly after, it moved too close to the Sun to be seen by telescopes. The asteroid frequently makes close approaches to Earth, possibly passing as close as 127,000 kilometres (79,000 mi) to Earth on January 9, 2069, however it will most likely pass much further away. Based on an absolute magnitude of 26.1, 2017 AG13 is likely 15–36 metres (49–118 feet) across, assuming a typical asteroid albedo of between 0.05 and 0.3.
absolute magnitude
apoapsis (μ)
discovery date
epoch
  • 27 April 2019 (JD2458600.5)
orbital period (s)
periapsis (μ)
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