C/2021 A9 ( PanSTARRS )

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Updated on March 5, 2023

Profile Discovery Date January 12, 2021 Magnitude 21.4 mag Discoverer Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 T 2023 Dec. 1.36467 TT Rudenko q 7.7603193 (2000.0) P Q z -0.0004156 Peri. 211.45152 -0.25848970 +0.92885799 +/-0.0000042 Node 314.84325 +0.94567677 +0.29937985 e 1.0032255 Incl. 158.02348 +0.19717639 -0.21816173 >From 161 observations 2020 Dec. 12-2022 Oct. 26, mean residual 0".4.

Magnitudes Graph m1 = -2.5 + 5 log d + 18.0 log r

The orbital elements are published on M.P.E.C. 2022-U349. The magnitudes graphs are made with Comet for Windows.