C/2021 D1 ( SWAN )

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Updated on July 3, 2021

Profile Discovery Date February 19, 2021 Magnitude 12 mag Discoverer Michael Mattiazzo (Solar Wind Anisotropies (SWAN) camera on the Solar and Heliospheric Observatory (SOHO) spacecraft) Pictures

Orbital Elements Epoch 2021 July 5.0 TT = JDT 2459400.5 T 2021 Feb. 27.61086 TT Rudenko q 0.9018079 (2000.0) P Q z +0.0103441 Peri. 72.22481 +0.81187525 -0.43241704 +/-0.0000052 Node 311.27135 +0.08337580 +0.75087273 e 0.9906716 Incl. 31.46076 +0.57784691 +0.49920502 From 351 observations 2021 Feb. 28-May 11, mean residual 0".8.

Finding Charts

Magnitudes Graph m1 = 10.5 + 5 log d + 15.0 log r

The orbital elements are published on M.P.E.C. 2021-N06. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.