447P/Sheppard-Tholen (2022)

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Updated on March 7, 2023

Profile Designation 447P/2021 R9 Discovery Date September 5, 2021 Magnitude 22.4 mag Discoverer Scott S. Sheppard and David J. Tholen (Subaru reflector at Mauna Kea)

Orbital Elements Perturbed ephemeris below is based on elements from MPEC 2022-YB4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459800.50000 2459809.7978785 97.56100 302.69553 7.43282 e q a Epoch (TT) 0.1804946 4.6267257 5.64575 2022/08/09.00

Magnitudes Graph m1 = 12.0 + 5 log d + 10.0 log r

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