73P/Schwassmann–Wachmann
Comet
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73P/Schwassmann–Wachmann, also known as Schwassmann–Wachmann 3 or SW3 for short, is a periodic comet that has a 5.4 year orbital period and that has been actively disintegrating since 1995. Wikipedia
Orbital period: 1,958 days
Discoverers: Friedrich Karl Arnold Schwassmann and Arno Arthur Wachmann
Discovered: May 2, 1930
Earth MOID: 0.014 AU (2.1 million km)
Perihelion: 0.9722 AU; (0.9187 AU after 2025 Jupiter approach)