57P/du Toit-Neujmin-Delporte (2021)

Japanese version
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Updated on December 1, 2021

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* Profile

* Pictures

* Orbital Elements

Epoch 2021 Nov. 2.0 TT = JDT 2459520.5
T 2021 Oct. 17.42204 TT                                 Rudenko
q   1.7201212            (2000.0)            P               Q
n   0.15399113     Peri.  115.26312     +0.55954764     +0.82876347
a   3.4472458      Node   188.77320     -0.77717935     +0.52149631
e   0.5010158      Incl.    2.85099     -0.28792134     +0.20295989
P   6.40
From 774 observations 2015 Feb. 18-2021 June 26, mean residual 0".7.
     Nongravitational parameters A1 = +0.50, A2 = -0.0071.

* Finding Charts

* Magnitudes Graph

        m1 = 10.0 + 5 log d + 22.0 log r  [  ,-1]  (             - 2021 Oct. 16)
        m1 =  1.0 + 5 log d + 40   log r  [-1,  ]  (2021 Oct. 16 -             )

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The orbital elements are published on M.P.E.C. 2021-N06.
The charts are made with StellaNavigator Ver.10 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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