178P/Hug-Bell (1999)

Japanese version
Home page
Updated on July 21, 2006

---------------------------------------------------------------------

* Profile

Designation 178P/1999 X1
Discovery Date December 10, 1999
Magnitude 18.8 mag
Discoverer Gary Hug, Graham E. Bell (Eskridge, KS)

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, are
  from 88 observations 1999 Oct. 10 to 2000 Feb. 7, perturbations
  by 9 Planets, Moon and 5 minor planets were taken into account. 
   The mean residual is +/- 0.79 arc seconds.

      Epoch  =  1999 July  1.0  TT       JDT = 2451360.5
          T  =  1999 June 20.83784       +/--0.00256 (m.e.) TT
       Peri. =  296.91658                +/- 0.00078
       Node  =  103.65119                +/- 0.00075   (2000.0)
       Incl. =   10.96890                +/- 0.00043
          q  =    1.9367558              +/- 0.0002152 AU
          e  =    0.4727865              +/- 0.0000464
          a  =    3.6735702              +/- 0.0002495 AU
          n  =    0.13998179             +/- 0.00001426
          P  =    7.041                  +/- 0.0007174  years
                                        (+/- 0.26 day)

* Finding Charts

* Magnitudes Graph

        m1 = 13.5 + 5 log d + 10.0 log r

---------------------------------------------------------------------

The orbital elements are calculated by Kenji Muraoka.
The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII).
The magnitudes graphs are made with Comet for Windows.

---------------------------------------------------------------------

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