(PanSTARRS) is a comet discovered as a centaur on 28 July 2014 when it was from the Sun and had an apparent magnitude of 21. The comet was relatively easier to detect at this distance because the nucleus is estimated to be 20 km in diameter.
DECam images from 2017 of the comet at from the Sun showed activity likely produced by carbon dioxide (CO2) and/or ammonia (NH3) sublimation (off-gassing).
Clones of the orbit of estimate a dynamic lifetime (amount of time in the current orbit) of 13 thousand to a million years.
Perihelion (closest approach to the Sun) takes place not far from Saturn's orbit with a Saturn minimum orbit intersection distance of ; for example on 29 September 2231 at about ±1 million km from Saturn.JPL Horizons Observer Location: @699 Table Settings: 20,39 (Uncertainty is 3-sigma.)
came to opposition on 1 November 2021 in the constellation of Cetus when it will have a solar elongation of 170 degrees. Numerical integration shows the comet last came to perihelion on 29 November 2021 and came to perihelion previously in late July 1979.
References
External links
C/ at Seiichi Yoshida's website