The great Chinese fireball of December 22, 2020
نویسندگان
چکیده
Abstract On December 22, 2020, at about 23h 23m 33s UTC a very bright fireball was seen in the sky of southeastern China. The lasted for several seconds and ended with an atmospheric explosion that detected by US surveillance satellites. According to CNEOS’s data, moved mean speed 13.6 km/s exploded altitude 35.5 km (Lat. $$31.9^{\circ }$$ 31 . 9 ∘ N; Long. $$96.2^{\circ } $$ 96 2 E). In this paper we estimate trajectory, heliocentric orbit strewn fields different mass/section ratio fragments. trajectory from north south low inclination ( $$5^{\circ \pm 2^{\circ 5 ± ) respect local surface. height appears consistent fragmented rocky body, supports asteroidal origin. probable field extends between two points coordinates $$+31.3^\circ + 3 $$96.3^\circ E) $$+30.3^\circ 30 $$96.5^\circ E), total area 4000 $$\text {km}^2$$ km . This large extension is direct consequence trajectory. Given unknown uncertainty these results should be taken caution.
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ژورنال
عنوان ژورنال: European Physical Journal Plus
سال: 2021
ISSN: ['2190-5444']
DOI: https://doi.org/10.1140/epjp/s13360-021-01504-x