Perihelion distanceat different epochs Epoch Perihelion(AU) 1929 5.68 1967 3.55 2026 4.84 2034 3.84
74P/Smirnova–Chernykh is an Encke-type comet with a 5:7 orbital resonance with Jupiter. It is also classified as a quasi-Hilda comet. It was discovered in late March 1975 by Tamara Mikhaylovna Smirnova while examining exposures from the Crimean Astrophysical Observatory. In the discovery images the comet had an apparent magnitude of ~15. In the year of discovery, the comet came to perihelion on 6 August 1975.
The comet had been photographed during 1967, but was identified as an asteroid and assigned the designation 1967 EU.
The comet is estimated at in diameter.
A close approach to Jupiter in 2021 lifted perihelion from 3.54 AU to 4.84 AU.
See also 101P/Chernykh
References
External links
at the Minor Planet Center database 74P/Smirnova–Chernykh at Kazuo Kinoshita's website 74P/Smirnova–Chernykh at Seiichi Yoshida's website