Английская Википедия:2018 BF3
Шаблон:Mp is a micro-asteroid, classified as a near-Earth object of the Apollo group, approximately Шаблон:Convert in diameter. It was first observed on 20 January 2018, by astronomers of the Catalina Sky Survey at Mount Lemmon Observatory in Arizona, United States,[1] the day after the closest flyby, due to its approach from the direction of the Sun.
Description
Шаблон:Mp orbits the Sun at a distance of 0.8–2.3 AU once every 23 months (706 days; semi-major axis of 1.55 AU). Its orbit has an eccentricity of 0.48 and an inclination of 12° with respect to the ecliptic.[2] With an aphelion of 2.3 AU, it is a Mars-crosser, crossing the orbit of the Red Planet at 1.666 AU. It is also an Earth-crosser, as are all Apollo asteroids. The body's observation arc begins at Mount Lemmon with its first observation on 20 February 2018.[1]
2018 flyby
On 19 January 2018, the object passed at a nominal distance of only Шаблон:Convert from Earth.[2] This corresponds to 0.63 LD.[3] Close approaches are projected for 28 October 2019 and 26 August 2021, both at a much larger distance (0.24 AU).[2] Шаблон:Multiple image
Physical characteristics
The Minor Planet Center estimates a diameter of Шаблон:Convert,[3] concurring with other estimates of Шаблон:Convert.[4] As of 2018, no rotational lightcurve of this object has been obtained from photometric observations. The asteroids's rotation period, pole and shape remain unknown.[2]
Numbering and naming
This minor planet has not yet been numbered.[1]
See also
References
External links
Шаблон:2018 in space Шаблон:Small Solar System bodies Шаблон:Authority control
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