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Optical observations of the BepiColombo spacecraft as a proxy for a potential threatening asteroid
Acta Astronautica ( IF 3.1 ) Pub Date : 2021-04-23 , DOI: 10.1016/j.actaastro.2021.04.022
Marco Micheli , Detlef Koschny , Luca Conversi , Frank Budnik , Bill Gray , Toni Santana-Ros , Rafał Reszelewski , Michał Żołnowski , Marcin Gȩdek , Bruce Gendre , David Coward , Igor E. Molotov , Vasilij Rumyantsev , Alexios Liakos , Sergei Schmalz

We present the results of our ground-based astrometric observation campaign of BepiColombo during its Earth fly-by on 2020 April 10. The observational circumstances induced by the fly-by geometry made this event an excellent proxy for a close fly-by or an imminent impact of a natural body with a diameter of a few meters, with the added benefit of having a ground-truth orbit (from radio tracking) to compare with our purely optical orbit determination.



中文翻译:

BepiColombo航天器的光学观测,作为潜在威胁小行星的替代物

我们将介绍BepiColombo在2020年4月10日地球飞越期间的地面天文观测活动的结果。由于飞越的几何形状引起的观测情况使该事件成为近距离飞越或迫在眉睫的极好的代表。直径为几米的自然物体的撞击,并具有实地轨道(来自无线电跟踪)的优势,可与我们的纯粹光学轨道确定进行比较。

更新日期:2021-04-23
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