C/2017 S3 ( PanSTARRS )

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Updated on July 22, 2020

Profile Discovery Date September 23, 2017 Magnitude 21.5 mag Discoverer Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements Epoch 2018 Aug. 30.0 TT = JDT 2458360.5 T 2018 Aug. 15.95648 TT MPCW q 0.2085523 (2000.0) P Q z +0.0003161 Peri. 255.78201 +0.21887938 -0.96353989 Node 171.03523 +0.20766602 +0.20010323 e 0.9999341 Incl. 99.03918 -0.95339742 -0.17762202 From 823 observations 2017 Aug. 17-2018 Aug. 3, mean residual 0".8. Nongravitational parameters A1 = +24.25, A2 = +1.3752.

Finding Charts

Magnitudes Graph m1 = 10.0 + 5 log d + 10.0 log r [ ,-14] ( - 2018 Aug. 1) m1 = 12.0 + 5 log d + 20 log r(t + 30) [-14, ] (2018 Aug. 1 - ) * Gray curve is: m1 = 10.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2018-Q62. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.