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  • MPEC 2000-G21 : 1999 HS11

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    M.P.E.C. 2000-G21                                Issued 2000 Apr. 6, 15:22 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       1999 HS11
    
                               Revision to MPEC 1999-K12
    
    Observations:
         J99H11S 6C2000 03 29.53373 13 40 22.06 -07 36 39.8          22.9 R      568
         J99H11S 6C2000 03 29.56239 13 40 21.94 -07 36 39.0          22.6 R      568
         J99H11S 6C2000 03 29.59068 13 40 21.85 -07 36 38.4          22.7 R      568
         J99H11S  C2000 04 05.29860 13 39 53.36 -07 33 48.6          22.8 R      709
         J99H11S FC2000 04 05.35155 13 39 53.24 -07 33 48.8          22.8 R      709
         J99H11S FC2000 04 05.40449 13 39 53.03 -07 33 47.2          23.2 R      709
    
    Observer details:
    568 Mauna Kea.  Observers B. Gladman, J. Kavelaars, J. Petit, M. Holman.
        3.6-m Canada-France-Hawaii Telescope + CCD.
    709 Cloudcroft.  Observer W. Offutt.  0.6-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    1999 HS11
    Eccentricity assumed
    Epoch 2000 Feb. 26.0 TT = JDT 2451600.5                 Marsden
    M  84.36572              (2000.0)            P               Q
    n   0.00339090     Peri.   11.61251     -0.45708746     -0.88834719
    a  43.8792814      Node   105.59968     +0.81235202     -0.43698503
    e   0.0345090      Incl.    2.60091     +0.36215364     -0.14100835
    P 291              H    6.7           G   0.15
    Residuals in seconds of arc
    990417 695  0.0   0.1+    990505 950  0.1+  0.1-    000329 568  0.5+  0.1+
    990417 695  0.1+  0.0     990506 950  0.3+  0.2+    000405 709  1.4-  0.8+
    990417 695  0.2-  0.0     000329 568  0.1+  0.2+    000405 709  0.2+  0.8-
    990505 950  0.3-  0.3-    000329 568  0.1+  0.2+    000405 709  0.5+  0.5-
    
    Ephemeris:
    1999 HS11                a,e,i = 43.88, 0.03, 3                  q = 42.365
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2000 04 06    13 39.84   -07 33.5   42.799   43.786   170.3     0.2    23.1
    2000 04 16    13 39.11   -07 29.3   42.785   43.787   177.3     0.1    23.1
    2000 04 26    13 38.38   -07 25.2   42.799   43.788   169.1     0.2    23.1
    2000 05 06    13 37.68   -07 21.3   42.843   43.789   159.4     0.5    23.2
    2000 05 16    13 37.03   -07 17.8   42.915   43.790   149.6     0.7    23.2
    2000 05 26    13 36.45   -07 14.8   43.011   43.791   139.9     0.9    23.2
    2000 06 05    13 35.96   -07 12.5   43.130   43.792   130.2     1.0    23.2
    2000 06 15    13 35.59   -07 10.8   43.268   43.792   120.5     1.1    23.3
    2000 06 25    13 35.34   -07 10.0   43.420   43.793   110.9     1.2    23.3
    2000 07 05    13 35.22   -07 09.9   43.582   43.794   101.4     1.3    23.3
    2000 07 15    13 35.23   -07 10.7   43.750   43.795    91.9     1.3    23.3
    2000 07 25    13 35.39   -07 12.2   43.919   43.796    82.4     1.3    23.3
    2000 08 04    13 35.69   -07 14.6   44.085   43.797    72.9     1.3    23.3
    2000 08 14    13 36.12   -07 17.7   44.241   43.798    63.4     1.2    23.3
    2000 08 24    13 36.67   -07 21.4   44.386   43.799    54.0     1.1    23.3
    2000 09 03    13 37.33   -07 25.7   44.513   43.800    44.5     0.9    23.3
    2000 09 13    13 38.09   -07 30.5   44.621   43.801    35.0     0.8    23.3
    
    Brian G. Marsden             (C) Copyright 2000 MPC           M.P.E.C. 2000-G21
    

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