page_title: 2018 CB
hierarchical_section_title: 2018 CB
caption_attribution_description: English: en:2018_CB orbit with positions on 1/1/18 before 2/12/18 flyby of earth
context_page_description: 2018 CB is a very bright micro-asteroid, classified as a near-Earth object of the Apollo group, less than 20 meters in diameter. It was first observed by astronomers of the Catalina Sky Survey at Mount Lemmon Observatory, Arizona, on 4 February 2018, during its sub-lunar close encounter with Earth.
context_section_description: 2018 CB is a very bright micro-asteroid, classified as a near-Earth object of the Apollo group, less than 20 meters (66 ft) in diameter. It was first observed by astronomers of the Catalina Sky Survey at Mount Lemmon Observatory, Arizona, on 4 February 2018, during its sub-lunar close encounter with Earth.
caption: Highly elliptical orbit of 2018 CB, crossing those of both Mars and Earth. Positions shown for 1 January 2018, before flyby.
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