117P/Helin-Roman-Alu 1 (2030)

Japanese version
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 Updated on September 15, 2026

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* Profile

* Orbital Elements

Perturbed ephemeris below is based on elements from MPEC 2024-F91.

Epoch (TT/JD) T (TT/JD)         Peri.     Node      Incl.   
2462840.50000 2462832.0573065 223.44768  58.09681   8.63482 

    e             q             a      Epoch (TT)
0.2386062     3.1695470      4.16282  2030/12/05.00

* Finding Charts

* Magnitudes Graph

        m1 = 3.5 + 5 log d + 17.5 log r

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The orbital elements are calculated using the Minor Planet & Comet Ephemeris Service.
The charts are made with StellaNavigator Ver.11 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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