2017 YL4

Japanese version
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Updated on June 15, 2021

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* Profile

The cometary activity of 2017 YL4 was pointed out by Sam Deen (Apr. 6, 2021, comets-ml).

* Orbital Elements

Perturbed ephemeris below is based on 63-day-arc elements from MPO 603996.
Last observed on 2018 Feb. 13.

Epoch (TT/JD) T (TT/JD)         Peri.     Node      Incl.   
2458320.50000 2458320.2218443  44.59207 120.03427  88.96517 

    e             q             a      Epoch (TT)
0.9739818     4.2636469    163.87187  2018/07/21.00

* Magnitudes Graph

        H = 14.7  G = 0.15

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The orbital elements are calculated using the Minor Planet & Comet Ephemeris Service.
The magnitudes graphs are made with Comet for Windows.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.