We studied two successive coronal mass ejections (CMEs) that erupted from the same active region (AR 12994) on 2022 April 15 and propagated toward Mercury. Using multi-view observations, we applied the revised cone model to determine the three-dimensional geometry and the early kinematics of the two CMEs. Our best-fit parameters indicate large angular extents of 84° and 86° and propagation directions of −119.°0 and -110.°4 (measured from the Sun–Earth line) for CME1 and CME2, respectively, while that of Mercury is −120.°1. The derived axis inclinations are 28° for CME1 and 21° for CME2, consistent with the orientation of the erupting flux ropes in the source region. Height–time analysis indicates approximately uniform motion speeds of 636 km s−1 for CME1 and 696 km s−1 for CME2. This paper provides valuable insights for predicting the impact of CMEs heading for Mercury as well as other planets in the solar system in the future.
Sun: activity– Sun: coronal mass ejections (CMEs)– Sun: flares
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