C/2021 P4 ( ATLAS )

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Updated on April 15, 2023

Profile Discovery Date August 10, 2021 Magnitude 19.4 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 T 2022 July 30.36020 TT Rudenko q 1.0803621 (2000.0) P Q z +0.0031828 Peri. 175.81257 -0.96751320 -0.18559218 +/-0.0000025 Node 348.09258 +0.20099332 -0.15272444 e 0.9965614 Incl. 56.31069 +0.15336199 -0.97068573 >From 966 observations 2021 Aug. 10-2023 Jan. 2, mean residual 0".6.

Finding Charts

Magnitudes Graph m1 = 7.8 + 5 log d + 11.5 log r [ ,0] ( - 2022 July 30) m1 = 7.5 + 5 log d + 20.0 log r [0, ] (2022 July 30 - )

The orbital elements are published on M.P.E.C. 2023-A16. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.