C/2021 T4 ( Lemmon )

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Updated on May 21, 2023

Profile Discovery Date October 7, 2021 Magnitude 20.2 mag Discoverer Mount Lemmon Pictures

Orbital Elements Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 T 2023 July 31.51494 TT Rudenko q 1.4833060 (2000.0) P Q z -0.0000377 Peri. 329.80153 +0.28278565 -0.90354957 +/-0.0000030 Node 257.87330 -0.80093611 -0.40709835 e 1.0000559 Incl. 160.77588 -0.52776285 +0.13367541 >From 1095 observations 2021 Aug. 7-2022 Dec. 22, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 7.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2022-Y114. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.