78P/Gehrels 2 (2019)

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Updated on April 4, 2021

Profile Pictures

Orbital Elements Epoch 2020 May 31.0 TT = JDT 2459000.5 T 2019 Apr. 2.65578 TT Spoto q 2.0132357 (2000.0) P Q n 0.13625658 Peri. 192.66107 +0.72966676 -0.68156298 a 3.7402250 Node 210.53588 +0.63648479 +0.70651175 e 0.4617341 Incl. 6.24878 +0.24994706 +0.19055982 P 7.23 From 5701 observations 2011 May 3-2020 May 26, mean residual 0".7. Nongravitational parameters A1 = -0.20, A2 = +0.4467.

Finding Charts

Magnitudes Graph m1 = 1.0 + 5 log d + 30.0 log r [ , 0] ( - 2019 Apr. 2) m1 = 4.0 + 5 log d + 20.0 log r [ 0,190] (2019 Apr. 2 - 2019 Oct. 9) m1 = 0.0 + 5 log d + 30.0 log r [190,375] (2019 Oct. 9 - 2020 Apr. 11) m1 = 10.5 + 5 log d + 10.0 log r [375, ] (2020 Apr. 11 - )

The orbital elements are published on M.P.E.C. 2020-S188. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.