C/2015 X7 ( ATLAS )

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Updated on March 3, 2018

Profile Discovery Date December 12, 2015 Magnitude 17.6 mag Discoverer Asteroid Terrestrial-impact Last Alert System (ATLAS) Team Pictures

Orbital Elements Epoch 2016 July 31.0 TT = JDT 2457600.5 T 2016 July 30.23264 TT MPCW q 3.6845321 (2000.0) P Q z -0.0004781 Peri. 348.48552 -0.68039429 -0.49113745 +/-0.0000008 Node 139.88383 +0.72138565 -0.57960046 e 1.0017617 Incl. 57.58091 +0.12909823 +0.65026711 From 555 observations 2015 Jan. 28-2017 June 16, mean residual 0".6.

Magnitudes Graph m1 = 8.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2018-D91. The magnitudes graphs are made with Comet for Windows.