103P/Hartley 2 (1991)

Japanese version
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Updated on July 16, 2006

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* Profile

Designation 103P/1991 N1
Recovery Date July 9, 1991
Magnitude 11 mag
Recoverer T. V. Kryachko (Majdanak)

* Orbital Elements

                    Epoch = 1991 Sept.21.0 ET
     T = 1991 Sept.11.6542 ET         Peri. = 174.9337
     e = 0.719489                     Node  = 226.0539  1950.0
     q = 0.953285 AU                  Incl. =   9.2561
       a =  3.398382 AU    n = 0.1573243    P =   6.265 years

* Magnitudes Graph

        m1 =  8.2 + 5 log d + 20.0 log r(t - 20)  [   ,120]  (             - 1992 Jan.  9)
        m1 = 10.0 + 5 log d + 10.0 log r          [120,   ]  (1992 Jan.  9 -             )

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The orbital elements are calculated by Dr. Green and printed on IAUC 5324.
The magnitudes graphs are made with Comet for Windows.

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