C/2021 D1 ( SWAN )

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Updated on April 19, 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 Mar. 7.0 TT = JDT 2459280.5 T 2021 Feb. 27.60605 TT Rudenko q 0.9017137 (2000.0) P Q z +0.0108739 Peri. 72.21905 +0.81190082 -0.43236737 +/-0.0003929 Node 311.27325 +0.08331220 +0.75086383 e 0.9901948 Incl. 31.46194 +0.57782015 +0.49926142 From 238 observations 2021 Feb. 28-Mar. 24, mean residual 0".9.

Finding Charts

Magnitudes Graph m1 = 10.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2021-F115. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.