• Processing (Info)

    • MPEC 1998-X16 : 1998 WZ24

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    M.P.E.C. 1998-X16                                Issued 1998 Dec. 4, 22:07 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

                                   1998 WZ24

Observations:
     J98W24Z* C1998 11 18.44295 05 03 14.47 +22 28 13.0          22.5 R      695
     J98W24Z  C1998 11 18.51422 05 03 14.02 +22 28 12.4                      695
     J98W24Z  C1998 11 26.35372 05 02 24.38 +22 27 16.2          22.8 R      695
     J98W24Z  C1998 11 26.49056 05 02 23.47 +22 27 15.0                      695

Observer details:
695 Kitt Peak.  Observers R. L. Millis, M. W. Buie, R. M. Wagner, J. L. Elliot,
    D. W. Willmarth, D. L. Harmer, G. Rosenstein, W. K. Hughes.  Measurers
    M. W. Buie, R. L. Millis, J. L. Elliot.  3.8-m reflector + CCD, 3.6-m WIYN
    reflector + CCD.

Orbital elements:
1998 WZ24
The following assumed perihelic 2:3 Neptune-resonance orbital elements
keep the object more than 13 AU from Neptune over a 14 000-year period
Epoch 1998 Nov. 3.0 TT = JDT 2451120.5                  Marsden
M 359.93950              (2000.0)            P               Q
n   0.00396404     Peri.  355.88060     +0.23715468     -0.96849784
a  39.5406449      Node    80.38831     +0.89349493     +0.18675889
e   0.1801855      Incl.    4.41840     +0.38134560     +0.16472111
P 249              H    7.9           G   0.15
From 4 observations 1998 Nov. 18-26.

Ephemeris:
1998 WZ24                a,e,i = 39.54, 0.18, 4                  q = 32.416
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1998 12 03    05 01.68   +22 26.4   31.435   32.416   174.1     0.2    23.0
1998 12 13    05 00.56   +22 25.1   31.434   32.416   175.5     0.1    23.0
1998 12 23    04 59.47   +22 23.9   31.465   32.416   165.1     0.4    23.0
1999 01 02    04 58.44   +22 22.7   31.525   32.416   154.6     0.7    23.1
1999 01 12    04 57.52   +22 21.6   31.613   32.416   144.2     1.0    23.1
1999 01 22    04 56.74   +22 20.8   31.726   32.416   133.9     1.3    23.1
1999 02 01    04 56.14   +22 20.2   31.861   32.416   123.6     1.5    23.2
1999 02 11    04 55.74   +22 20.0   32.012   32.416   113.4     1.6    23.2
1999 02 21    04 55.55   +22 20.1   32.176   32.416   103.2     1.7    23.2
1999 03 03    04 55.60   +22 20.5   32.346   32.416    93.2     1.7    23.2
1999 03 13    04 55.86   +22 21.2   32.519   32.416    83.2     1.7    23.2
1999 03 23    04 56.35   +22 22.3   32.687   32.416    73.4     1.7    23.2
1999 04 02    04 57.05   +22 23.7   32.848   32.416    63.7     1.6    23.2

Brian G. Marsden             (C) Copyright 1998 MPC           M.P.E.C. 1998-X16

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