427P/ATLAS (2017)

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Updated on October 6, 2021

Profile Designation 427P/2017 S5 Discovery Date September 27, 2017 Magnitude 18.2 mag Discoverer Asteroid Terrestrial-impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2017 July 26.0 TT = JDT 2457960.5 T 2017 July 28.03075 TT Rudenko q 2.1782331 (2000.0) P Q n 0.17457404 Peri. 99.94488 +0.97106733 +0.13683438 a 3.1706595 Node 252.39324 -0.19695047 +0.92237538 e 0.3130032 Incl. 11.84908 +0.13505094 +0.36124786 P 5.65 From 438 observations 2017 July 22-2021 June 13, mean residual 0".6.

Magnitudes Graph m1 = 10.0 + 5 log d + 20.0 log r

The orbital elements are published on M.P.E.C. 2021-P79. The magnitudes graphs are made with Comet for Windows.