C/2021 Q4 ( Fuls )

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Updated on October 5, 2025

Profile Discovery Date August 26, 2021 Magnitude 20.0 mag Discoverer David Carson Fuls (Mt. Lemmon) Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2023 June 10.51748 TT Pike q 7.5640855 (2000.0) P Q z -0.0001092 Peri. 147.02604 +0.84751615 +0.52789509 +/-0.0000013 Node 183.33390 -0.31838384 +0.58879030 e 1.0008257 Incl. 71.54787 +0.42467412 -0.61208885 From 560 observations 2020 Apr. 27-2025 Sept. 30, mean residual 0".6.

Magnitudes Graph m1 = -5.5 + 5 log d + 22.0 log r

The orbital elements are published on M.P.E.C. 2025-T80. The magnitudes graphs are made with Comet for Windows.