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Tau Herculids

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Through Atmospheric entry, Kilometre and Comet

On 31 May 1930 the comet passed about 0.062 AU (9.3 million km; 5.8 million mi) from Earth, on 9 June 1930 a meteor outburst with a zenithal hourly rate of around 100 was observed, and then the comet passed perihelion (closest approach to the Sun) on 14 June 1930.

On 30–31 May 2022 (31 May 4:00-5:00 UT) there was a modest meteor shower generated by fragments from the 1995 break-up of the parent comet 73P. This required that fragments had been migrating ahead of the comet for the last 27 years. The parent comet has 69 known fragments and does not come to perihelion (0.97 AU from the Sun) until 25 August 2022. On 30 May 2022 comet 73P/Schwassmann–Wachmann was 1.5 AU from the Sun and 1.4 AU (210 million km) from Earth. The next notable appearances of the Tau Herculids are expected in 2033 and 2049.

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