• MPC Preparation (Info)

    • MPEC 1999-D27 : 1999 CY118

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    Read MPEC 1999-D26 Read MPEC 1999-D28 

    M.P.E.C. 1999-D27                                Issued 1999 Feb. 27, 16:38 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.

             BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                  1999 CY118

Observations:
     J99CB8Y* C1999 02 10.42919 11 01 04.04 +06 24 21.3          23.7 R      568
     J99CB8Y  C1999 02 10.47084 11 01 03.86 +06 24 23.0          23.7 R      568
     J99CB8Y  C1999 02 12.51626 11 00 54.55 +06 25 41.6          23.7 R      568
     J99CB8Y  C1999 02 12.62000 11 00 54.08 +06 25 46.1          23.7 R      568

Observer details:
568 Mauna Kea.  Observers D. Jewitt, C. Trujillo, J. X. Luu.  3.6-m
    Canada-France-Hawaii Telescope.

Orbital elements:
1999 CY118
The following assumed aphelic 3:4 Neptune-resonance orbital elements
keep the object more than 11 AU from Neptune over a 14 000-year period
Epoch 1999 Feb. 11.0 TT = JDT 2451220.5                 Marsden
M 180.00355              (2000.0)            P               Q
n   0.00450755     Peri.  180.15763     +0.95830470     +0.21575426
a  36.2946531      Node   163.27709     -0.26145126     +0.92661870
e   0.0624737      Incl.   40.62617     -0.11530540     -0.30794138
P 219              H    8.2           G   0.15
From 4 observations 1999 Feb. 10-12.

Ephemeris:
1999 CY118               a,e,i = 36.29, 0.06, 41                 q = 34.027
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 02 21    11 00.24   +06 31.3   37.594   38.562   168.2     0.3    24.1
1999 03 03    10 59.42   +06 38.1   37.571   38.562   178.5     0.0    24.0
1999 03 13    10 58.60   +06 45.0   37.580   38.562   171.3     0.2    24.1
1999 03 23    10 57.80   +06 51.6   37.618   38.562   161.1     0.5    24.1
1999 04 02    10 57.06   +06 57.9   37.685   38.562   151.0     0.7    24.1
1999 04 12    10 56.40   +07 03.6   37.778   38.562   141.0     0.9    24.2
1999 04 22    10 55.85   +07 08.7   37.895   38.562   131.0     1.1    24.2
1999 05 02    10 55.43   +07 12.9   38.031   38.562   121.2     1.3    24.2
1999 05 12    10 55.14   +07 16.3   38.182   38.562   111.4     1.4    24.2
1999 05 22    10 55.01   +07 18.7   38.344   38.562   101.7     1.5    24.2
1999 06 01    10 55.04   +07 20.1   38.511   38.562    92.1     1.5    24.3
1999 06 11    10 55.23   +07 20.5   38.680   38.562    82.6     1.5    24.3
1999 06 21    10 55.57   +07 20.0   38.845   38.562    73.1     1.4    24.3
1999 07 01    10 56.05   +07 18.6   39.002   38.562    63.7     1.4    24.3
1999 07 11    10 56.68   +07 16.3   39.146   38.562    54.3     1.2    24.3
1999 07 21    10 57.42   +07 13.2   39.274   38.562    45.0     1.1    24.3
1999 07 31    10 58.27   +07 09.5   39.382   38.562    35.6     0.9    24.2

Brian G. Marsden             (C) Copyright 1999 MPC           M.P.E.C. 1999-D27

    Read MPEC 1999-D26 Read MPEC 1999-D28

    MPEC number:

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    • B01 (the abbreviated form)