SWAN observations yield water production time series for comets C/2017 K2 and C/2022 E3, with K2 declining as r^-3.2 post-perihelion and E3 dropping by about half shortly before perihelion.
Gravitational interactions throughout the perihelion passage indicate that it is now likely on a hyperbolic orbit and so it may never return
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Water Production Rates from SOHO/SWAN Observations of Comets C/2017 K2 (PanSTARRS) and C/2022 E3 (ZTF)
SWAN observations yield water production time series for comets C/2017 K2 and C/2022 E3, with K2 declining as r^-3.2 post-perihelion and E3 dropping by about half shortly before perihelion.