399P/PanSTARRS (2021)

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Updated on December 28, 2022

Profile Designation 399P/2020 O4 Recovery Date July 30, 2020 Magnitude 19.9 mag Recoverer Mount Lemmon Survey Pictures

Orbital Elements Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 T 2021 May 22.63680 TT Rudenko q 2.0961071 (2000.0) P Q n 0.13354659 Peri. 214.32006 +0.48468939 -0.86835057 a 3.7906544 Node 207.13998 +0.84527785 +0.49589237 e 0.4470329 Incl. 13.31899 +0.22490344 +0.00761870 P 7.38 From 353 observations 2013 July 16-2022 Feb. 2, mean residual 0".9. Nongravitational parameters A1 = -1.31, A2 = -0.1306.

Magnitudes Graph m1 = 12.5 + 5 log d + 10.0 log r(t - 100)

The orbital elements are published on M.P.E.C. 2022-C56. The magnitudes graphs are made with Comet for Windows.