C/2021 S4 ( Tsuchinshan )

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Updated on March 7, 2023

Profile Discovery Date September 29, 2021 Magnitude 20.5 mag Discoverer Hai-bin Zhao (XuYi station, Purple Mountain Observatory) Pictures

Orbital Elements Perturbed ephemeris below is based on elements from MPEC 2022-YB4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460320.50000 2460312.0897779 72.89001 5.48827 17.47874 e q a Epoch (TT) 0.9590628 6.6895886 163.41094 2024/01/11.00

Magnitudes Graph m1 = -7.8 + 5 log d + 25.0 log r

The orbital elements are calculated using the Minor Planet & Comet Ephemeris Service. The magnitudes graphs are made with Comet for Windows.