121P/Shoemaker-Holt 2 (2023)

Japanese version
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Updated on February 21, 2021

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* Profile

* Orbital Elements

Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2023 June 27.43771 TT                                 Spoto
q   3.7390857            (2000.0)            P               Q
n   0.10032664     Peri.   11.23620     -0.25324594     -0.90424779
a   4.5869627      Node    94.14009     +0.85871442     -0.37378282
e   0.1848450      Incl.   20.16381     +0.44550649     +0.20645179
P   9.82
From 608 observations 1989 Mar. 4-2020 Aug. 14, mean residual 0".7.

* Magnitudes Graph

        m1 = 11.5 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2020-S188.
The magnitudes graphs are made with Comet for Windows.

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